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  • Nature Publishing Group  (3,217)
  • 1990-1994
  • 1970-1974  (3,217)
  • 1972  (3,217)
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Years
  • 1990-1994
  • 1970-1974  (3,217)
Year
  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 354-354 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-I was pleased to read your unusually well balanced editorial (Nature,239, 1; 1972) on the issue of the freedom of research on possible racial differences in intelligence. However, I am afraid that one important point is missing there; that is the question whether intelligence is the only ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 354-354 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR VSEVOLOD P. SAVICH, one of the leading Russian specialists on mosses and lichens, died on May 25, 1972. Savich was born on February 18, 1885. In 1906, while still a student at the University of St Petersburg, he began working as a laboratory assistant at the Imperial St Petersburg Botanical ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 294-294 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT must be made clear from the beginning that this is a translation of a book originally published in Paris in 1953, a fact nowhere stated in this English edition. It is also appropriate to point out that the French paperback edition is still available, and can be bought for 26 francs. There are a ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 186-186 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE chances that Congress will get its own Office of Technology Assessment suddenly brightened last week. A proposal to establish the office swept through the House of Representatives in February and also looked set fair to sail through the Senate, but it was eventually bogged down in the Senate ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 211-213 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In Fig. 1, the astronomical tide is shown by a dotted line. If this is subtracted from the gauge readings, the amplitude of the surge is 1.5 m. There is some uncertainty about the maximum amplitude of the surge because, at the time of the maximum surge, the range of the tide gauge was exceeded. I ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 226-226 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The computer-generated molecular shape factor, which is derived from three orthogonal silhouettes, is used to represent the whole stereochemical aspect of the molecule by a single 3- or 4-digit number, it must surely be inappropriate to reduce anything as intricate and variable as a molecular shape ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 239-239 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-Dr Burbidge's highly personal account of his likes and dislikes in British astronomy provides the occasion for comment that may prove more constructive. I have myself sometimes been critical of British astronomy, and can agree with some of Dr Burbidge's historical comments, although in my ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 143-146 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Ribonucleic acid containing A-rich sequences has been isolated from the nucleus and cytoplasm of mouse plasmacytoma cells (5563). Injection of this RNA into Xenopus eggs and oocytes has demonstrated that both the nuclear and cytoplasmic RNA contains messages for the immunoglobin heavy and light ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 146-150 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Three-dimensional image reconstruction shows haemocyanin to be made of three distinct parts. At the ends of the particle are a five-fold “collar” and a central “cap”. The cylindrical wall consists of sixty dimers which may be correlated with 120 oxygen binding ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 151-152 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Observations of polarization can be used to test the theories of origin. The geomagnetic mechanism would produce a field polarized magnetic east-west. The polarization measurements reported here were made with the Buckland Park aerial array of the University of Adelaide8. The array consists of two ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 152-153 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The TMF discriminant proposed by Weichert1 exploits the fact that the decay of spectral energy tends to be slower for underground explosions than for earthquakes at frequencies above about 1.5 Hz. Also, several authors have pointed out that explosion spectra decay more rapidly than earthquake ...
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  • 12
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 155-157 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Diagrammatic view of Europe during the Givetian-Frasnian. Not to scale. Fig. 2 Diagrammatic view of Europe during the Visean. Not to scale. Fig. 3 Diagram showing fusion of Pangaea during the Allegheny and Asturic orogenies, a, Middle Devonian. 6, Upper Carboniferous suturing. The line of ...
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  • 13
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 154-155 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Kirnos seismograph is an electromagnetic seismometer with a natural frequency (/0) of 0.04 Hz- and damping factor (n) of 0.5 loosely coupled to a heavily damped galvanometer Oz=8.0, /0 = 0.833 Hz). We obtain the Kirnos response by electronically shaping the output of a Geotech S-ll seismometer ...
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  • 14
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 157-157 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The rocket .was spinning, thus allowing observations in all azimuthal directions within ±15 from the horizontal plane. The signals given by the two detectors are consistent throughout the flight. The results presented here are those provided by the photomultiplier. Our preliminary analysis ...
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  • 15
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 178-178 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS long awaited book is not a single or coordinated account of the Scandinavian Caledonides but two more or less completely separate ones for Norway and Sweden. Both are rather old, having been mostly written some seven years ago. The book contains no single map on any scale of the whole ...
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  • 16
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 178-178 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT is difficult to be kind about this book. In the 1972 Misconceived Enterprise Stakes (which could be run each year for the benefit of scientific publishers, a number of whom would regularly provide strong contenders) it should be a firm favourite. Most people with experience in ultraviolet and ...
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  • 17
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 178-178 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] So much work is being done on natural membranes, with some progress, that reviewing it seems attractive. (Indeed, one wonders if a shortage of research funds might be accommodated by half the scientific community reviewing work done by the other half. One could draw lots for three-year stints in ...
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  • 18
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 179-179 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-It is disheartening and distressing to read the outright drivel which has been appearing in both Nature and Science regarding the murder of Professor Aharon Katchalsky Katzir (for example, Nature, 238, 361; 1972). Virtually the entire population of the United States now regards the Vietnam ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 179-179 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-A recent editorial in Nature (238, 61; 1972) described in graphic detail the insulting treatment of Dr Zhores Med-vedev at the recent International Congress on Gerontology in Kiev. The same issue of Nature also contains correspondence from Prof. John Ziman pointing out other nefarious ...
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  • 20
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 179-179 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-Is it not rather unfair to call action at a distance a mediaeval notion (in News and Views: "Elementary Particles and Cosmology", Nature, 238, 69; 1972)? Surely the Schoolmen, who spoke for the Middle Ages on philosophical matters, denied that any such thing happens. On the other hand, the ...
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  • 21
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 179-180 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR GAVIN DE BEER, who died suddenly on June 21, 1972, was a zoologist in the great tradition of Ray Lankester and Goodrich; essentially a comparative anatomist and embryologist, always evolutionary in outlook. His research was rigorous, never trivial in aim but adjusted to clarify important ...
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  • 22
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    [s.l.] : Nature Publishing Group
    Nature 239 (1972), S. 180-180 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] University News Professor A. C. Turnbull, Welsh National School of Medicine, has been appointed Nuffield professor of obstetrics and gynaecology in the University of Oxford. Appointments Mr W. B. S. Walker has been appointed a part-time member of the UK Atomic Energy Authority. Miscellaneous ...
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  • 23
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 443-443 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOWLER'S recent speculation that the absence of detectable neutrinos from the Sun might be explained if the Sun is in an intermediate phase, so that the nuclear reactions at present going on in its interior are not typical of a steady state situation (Nature, 238, 24 ; 1972), has led to a flurry of ...
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  • 24
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 449-453 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] When protein synthesis is inhibited, DNA synthesis continues normally but with a slower rate of chain elongation. Dr H. Weintraub speculates that the histones are the DNA chain elongation ...
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  • 25
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 456-457 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] This accretion hypothesis has thermal consequences as well as dynamical ones. Over most of the flow cooling would be unimportant3, but eventually the gas must lose its heat as it approaches the relatively cool disk of the Galaxy. It seems likely that the decisive factor is the increasing abundance ...
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  • 26
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 461-462 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Certain classes of meteorites have a much higher nitrogen content6 than magmatic rocks from the Earth's crust: carbonaceous chondrites have 700 to 2,900 p.p.m. nitrogen, while enstatite chondrites contain 54-780 p.p.m. nitrogen, with a median value of 260 p.p.m., an order of magnitude higher than ...
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  • 27
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 463-464 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] High resolution gamma-ray spectroscopy on the bars as a whole using Ge-Li detectors revealed lines of 108mAg (tll2~ 127 yr)1 and of 110mAg (f u2 = 250.4 day)2. No other activities could be detected. Because of the large extent of self-shielding in the bars themselves, absolute measurements have ...
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  • 28
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 467-468 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Problems of spatial spread of or through a population are naturally two-dimensional for the most part. Thus, though there exist environments such as seashores and railway embankments which are essentially one-dimensional, the principal justification for work on one-dimensional models of, for ...
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  • 29
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 470-471 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We observed definite testicular injury and changes in androgen synthesis in two groups of 3-4 year old brook trout treated with CdCl2 at varying concentrations. In our first preliminary experiment, 8 fish (2 fish per tank) were exposed to 0, 1,2 and 25 p.p.b. Cd in 300 1. of aerated fresh water for ...
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  • 30
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 478-479 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Young cats were used in these experiments. Large cranioto-mies were performed in cerveau isole animals prepared under ether anaesthesia. After conclusion of surgery, ether administration was interrupted and pain areas were repeatedly infiltrated with 'Novocaine', EEG recordings from the ...
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  • 31
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    Nature 240 (1972), S. 482-483 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The various intermediates were first identified by the spectral changes induced by exposing rhodopsin to steady-state illum- ination. The observations were carried out at low temperatures at which each of the intermediates was fairly stable. Application of fast flash photolysis techniques makes it ...
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  • 32
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 486-487 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In primitive mammals1'2, the cheek teeth are used both for ingestion and mastication, the incisors having a minimal function in food separation or trituration. This is also the case in Tupaia and Galago, but Saimiri and A teles do use their spatu-late incisors for biting all but the hardest food. ...
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  • 33
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    Nature 240 (1972), S. 490-490 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Terms such as rock grazing, browsing, rasping, burrowing and boring are used to describe plants or animals that erode rocks, but no single term is applied to all rock-destroying organisms. Such a term should include reference to both "rock" as distinct from "sediment", and to "destruction" or ...
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  • 34
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 491-491 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] By heating eggs for definite periods of time at various temperatures between 95 C and 65 C we have been able to estimate the relevant activation energies for denaturation of the yolk and albumin. These are ~11 kcal mol"1 and ~24 kcal mol"1 respectively. The method involves comparing the fluidities ...
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  • 35
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 488-489 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Studies on the carbohydrate metabolism of larval S. mansoni demonstrated that when cercariae penetrate mouse skin there was a switch from a fully aerobic metabolism involving cytochromes to a partially anaerobic metabolism where lactic acid was excreted and oxygen used4. Further experiments showed ...
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  • 36
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    Nature 240 (1972), S. 496-496 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THIS book gives an account of views expressed by four invited panels of the International Committee for Standardization in Haematology to consider various aspects of quality control. The work was presented at symposia held at the XIII Congress of the International Society of Haematology and is ...
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    Nature 240 (1972), S. 496-496 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN spite of the vastness of the subject (or perhaps because of it) there have not been many books on cosmic rays and Dr Hillas's addition is very welcome. The author is an international authority on the analysis of complex air shower data with the object of determining primary characteristics of ...
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  • 38
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    Nature 240 (1972), S. 498-498 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN the article "Methadone Induced Mortality as a Function of the Circadian Cycle" by Robert H. Lenox and Thomas W. Frazier (Nature, 239, 397; 1972), the sentence beginning on line 10 of paragraph 7 should read: "The most sensitive portion of the circadian cycle appears to occur at the period of ...
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  • 39
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    Nature 240 (1972), S. 370-371 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ONE of the most immediate consequences of the announcement, last July, of the British Government's plans for the reorganization of civil research was that the House of Commons Select Committee on Science and Technology lapsed into an injured sulk. And it is true that it would have been courteous, ...
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  • 40
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    Nature 240 (1972), S. 373-373 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE opening of the Mitsubishi-Kasei Institute of the Life Sciences was celebrated last week in Japan with two scientific symposia on the future of the life sciences which were held in Tokyo on December 4 and Kyoto on December 6. The institute itself, which is housed in a brand-new building 50 km ...
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  • 41
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    Nature 240 (1972), S. 375-375 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DURING the Congressional close season, Senator Edward M. Kennedy and his staff have been quietly moving behind the scenes mapping out a path for the Office of Technology Assessment-Congress's new think tank and crystal ball on technological matters. If Kennedy gets his way, and he probably will ...
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  • 42
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    Nature 240 (1972), S. 376-377 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE precise measurement of the physical quantity "temperature" has occupied the minds and time of metrologists for many years. It is because of the difficulty of making sufficiently precise and reproducible measurements for everyday use that the need for an internationally agreed practical scale ...
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  • 43
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    Nature 240 (1972), S. 380-380 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is now a great deal of evidence to support the idea that mitochondria in all probability evolved from some symbiotic bacteria-like organism. Several biochemical vestiges of the bacterial ancestry of mitochondria have been revealed, and in particular it is known that the protein-synthesizing ...
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  • 44
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    Nature 240 (1972), S. 382-382 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE problem of calculating the nuclea-tion rate for condensing water vapour in the flow through a nozzle has attracted attention for at least half a century. In the 1940s, the rapid growth of interest in supersonic aerodynamics and the widespread development of supersonic tunnels led to a renewed ...
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  • 45
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 384-384 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] EXPERIMENTAL studies by Liu of the magnon and phonon spectra of the heavy rare earth metals terbium and dysprosium have led to the prediction of a novel magneto-elastic interaction in these materials (Phys. Rev. Lett., 29, 793 ; 1972). Tb and Dy crystallize in the hexagonal close packed (h.c.p.) ...
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  • 46
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 384-384 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] HOT brine pools associated with metalliferous sediments in the Red Sea have been known since 1964, although traces of brine were discovered in the Albatross Deep as early as 1948. The result of the first detailed studies carried out between 1964 and 1966 was the description of three brine pools ...
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  • 47
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 395-398 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Sequences from seven pancreatic RNAases show a highly variable structure. The evolution of apparently functionless parts of a protein is thought to be based upon requirements for the polypeptide folding ...
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  • 48
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 399-400 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Identifications and redshifts exist now for all SCR sources that are more than 15 degrees from the galactic equator and that have a 178 MHz flux density S178 exceeding 30 flux units (1 f.u. = 10-26 W m-2 Hz-1). Table 1 gives the flux density Si 7 8, the radio spectral index a = d log Sv/d log v and ...
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  • 49
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 416-417 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Study of the growth rates of individual grain within barley ears has shown that there was a strong correlation between the final weight of any grain and the length of the awn of the lemma subtending that grain3 (Fig. 1). This strongly suggests that an awn supplies assimilate predominantly to the ...
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fries1 observed that, in spite of extensive investigation of the anaerobic degradation of DDT, little has been firmly established except that TDE is a major degradation product. In the present study, the identification of p,p'-DDCN, as an important nitrogen-containing environmental breakdown ...
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 424-424 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is increasing public awareness of the role of mercury in our environment. It is appropriate, therefore, that two leading health scientists, Dr Hartung and Dr Dinman, should undertake the task of editing a volume based on an International Conference on Environmental Mercury Contamination held ...
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 425-425 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE importance of water in all aspects of terrestrial life is universally recognized, but, even so, the promise of a four volume treatise devoted to the scientific study of this substance might occasion some surprise. In fact, the general title of this work is a little misleading. While the first ...
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 426-426 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PHOTOELECTRON Spectroscopy is a technique for studying the binding energies of electrons in the various orbitals or shells of molecules by measuring the energies they acquire when ejected by a photon of known frequency (EB=/zj〉 - imv2). The subject is conveniently divided into ultraviolet and X-ray ...
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  • 54
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 427-427 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-Rothschild correctly points to the importance of the question, "What is the object of the classification?" but fails to recognize that different people and organizations have different needs of a classification, so that the same classification may not suit them all. Moreover, by defining ...
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  • 55
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 428-429 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,-I was intrigued by your news editorial "Is Continental Drift Sacrosanct?" (Nature Physical Science, 239, 137 ; 1972), especially when compared with your previous leader "Creation in California" (Nature, 239, 420; 1972). I do not endorse the method of the California State Board of Education in ...
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  • 56
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 311-311 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AFTER centuries of stagnation, there has in the past few years been a quite extraordinary amount of change in the basis on which the British government parcels out the country as a whole for purposes of local government. In the past few years, the ancient county of Middlesex is one of those that ...
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  • 57
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    Nature 240 (1972), S. 313-313 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] A CENTRE to supply biological material to research workers was called for by Sir Alan Hodgkin, President of the Royal Society, in his anniversary address last week. The centre should supply biological and medical research workers with animals of all kinds, special chemicals found only in certain ...
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 314-314 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A FUND in memory of Professor Sir Ronald Nyholm, who was head of the department of chemistry at University College, London, until his death last December, is being set up by a group of his friends and the Chemical Society, The fund will be used to provide a medal and lectureship at University ...
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  • 59
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 316-316 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE current exhibition of the life and work of the late J. D. Bernal at the St Pancras Library, London, is an interesting but fragmentary tribute to this fascinating man and his many political and scientific interests. Born in Ireland at the turn of the century, he was aware from a very early age ...
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 317-317 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WHEN Congress overrode President Nixon's veto of the Water Pollution Control Bill just before the election, it clearly won an important battle, but failed to win the war. Last week, the Administration announced that it would spend only 45 per cent of the funds that Congress had earmarked for ...
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    [s.l.] : Nature Publishing Group
    Nature 240 (1972), S. 318-318 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Atomic Energy Commission has a tricky procedural question on its hands. Should the environmental review of individual power stations include the environmental effects associated with producing and fabricating the uranium fuel, reprocessing the spent fuel rods and getting rid of the radioactive ...
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    Nature 240 (1972), S. 319-320 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN view of the controversy in recent issues of Nature about the relationship between organochlorine residues and eggshell thinning (see, for example, Nature, 240, 162-166; 1972), now is an opportune time to put the problem in its context. Organochlorine insecticides, such as DDT and dieldrin, have ...
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    Nature 240 (1972), S. 322-323 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THERE is to date no convincing evidence that any human cancer is caused either by infection by an RNA tumour virus similar to the avian and murine leukaemia and sarcoma viruses or by the expression of an endogenous tumour virus genome inherited through the egg or sperm. The search for traces of ...
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    Nature 240 (1972), S. 323-323 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] IN next Wednesday's Nature New Biology (December 13), Barath and Kuntzel report the latest instalment of their exemplary investigations of the RNA polymerase in mitochondria of Neurospora crassa. Their experiments lead them to the interesting conclusion that mitochondrial RNA polymerase is not only ...
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    Nature 240 (1972), S. 326-326 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CRYSTALLOGRAPHERS of the future will have to broaden their horizons both to be able to gain support for their research and to obtain jobs in industry. This was a recurring theme in the conference on the role, support and organization of crystallography in the 1970s, arranged by the Crystallography ...
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    Nature 240 (1972), S. 324-325 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ANOTHER way of removing the so-called "discrete ambiguities" of nuclear physics has been discovered. It involves the scattering of a particles from aligned nuclei. Elastic a particle scattering can be very well described using the optical model of the interaction. According to this model, the a ...
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    Nature 240 (1972), S. 328-328 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] A FEW months ago, Audley-Charles et al. (Nature Physical Science, 239, 35 ; 1972) proposed the first detailed model for the plate tectonic evolution of Indonesia. The series of orogemc events recorded in the Outer Banda Arc and eastern Sulawesi since the breakup of Gondwanaland were viewed as the ...
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    Nature 240 (1972), S. 315-315 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] LESS attention should be given to transplant surgery and treatments for rare forms of cancer, and more to the problems of the elderly and the chronic sick, mental subnormality and in particular dentistry, according to Dr Henry Miller, vice-chancellor of the University of Newcastle upon Tyne, who ...
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    Nature 240 (1972), S. 347-348 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Following the recent, relatively small volcanic eruption of Alaid, 50 51' 5 N latitude, 155 34' 0 E longitude, on June 19, 1972, in which the ash cloud was reported to be 8 km high (350 mbar) and 5 or 6 km wide1, an effort was made to assess the downwind effects at a distance of approximately 4,000 ...
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