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  • Nature Publishing Group  (19,441)
  • 1970-1974  (19,441)
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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 624-625 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ALTHOUGH in simple terms of production gains the Green Revolution has been an undoubted success, it has produced a harvest of reproach as well as praise. Critics have maintained that the introduction of the new high yielding varieties of wheat and rice together with the necessary package of ...
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  • 2
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 627-627 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] BRITISH universities have been spared some of the ravages of inflation by the decision of Mr Prentice, Secretary of State for Education and Science, to increase their recurrent grant by £15 million. This brings the total supplementation of the grant for 1974?75 to about £21 million, ...
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  • 3
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 628-628 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PREVENTION may be better than cure, but when it comes to cancers the Swedes are approaching the problem from both angles. January 1, 1975 will see the introduction of two new measures in Sweden, each aimed at reducing the incidence of cancers and related illnesses. ? A revision of maximum ...
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  • 4
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 629-629 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,?I agree wholeheartedly with the comments of Martin Raff (Nature, December 6). I have been to a number of good conjuring shows in my time and T have invariably found that in a high proportion of the tricks I am not only unable to see how they were done, but I have been unable to understand how ...
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  • 5
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 342-342 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,?It is regrettable that your journal should have given such prominence to an article??Doubts Over US in India? (Nature, September 20)?consisting of vague allegations and innuendoes against respected scientific bodies. In the entire article I found only three factual statements capable of ...
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  • 6
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 726-727 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The lysosomal enzyme p-glucuronidase has a p;H optimum of 5.2 (ref. 3). We report here that the glucuronidase activity of tumours is selectively enhanced by previous administration of glucose, presumably because glucose selectively lowers the pH of tumour cells. Since glucuronides are biologically ...
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  • 7
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 730-732 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The simplest 'simultaneous' models are shown schematically in Fig. 1; the applicable steady state kinetic schemes and their solutions are shown in Fig. 2 (for models a and d of Fig. 1) and in Fig. 3 (for models b and c). We first consider the model of Fig. 1a, Here, a binding site which is ...
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  • 8
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 734-735 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] These findings led us to postulate a hypothesis that hypothalamic, substance P is a neurotransmitter of the primary afferent neurones and, to explore this hypothesis further, we examined the effect of hypothalamic substance P on the neurones of the mammalian spinal cord. The isolated spinal cord ...
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  • 9
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 738-739 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To test this possibility, NMR spectra of S4U and U mono-nucleosides were compared in dimethylsulphoxide (DMSO) and we found that the ring NH proton of U was at 11.5 p.p.m. (ref. 6) whereas the corresponding resonance of S4U was at 12.6 p.p.m. (K.L.W. and D.R.K., unpublished). Assuming comparable ...
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  • 10
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 743-745 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Coinfection of cells with HSV and VSV would be expected to result in progeny containing either the HSV or VSV genomes. To differentiate between plaques, the morphology and efficiency of plaque formation by VSV and HSV were examined. HSV was assayed on both human epidermoid number 2 (HEp-2) cells ...
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  • 11
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 706-708 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Each filming session involved releasing a hand-held pigeon 0.3 m above a flat surface and activating the camera and high intensity lamps for a period of 1?2 s. Although we were mainly interested in the initial tumbling motions, 5?10 somersaults by each pigeon were filmed during this short time. The ...
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  • 12
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 711-713 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Various tests have been described to study this penetration: the post coital test provides an estimate of the spermatozoa penetration in vivo but only allows a very incomplete appreciation of migration intensity and of movement quality. In vitro tests enable a dynamic study of spermatozoa ...
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  • 13
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 716-718 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Here we demonstrate that the S. malacoxylon factor stimulates the calcium absorptive mechanism of the organ-cultured chick duodenum, indicating that the activity of the factor does not depend on preliminary metabolism by some other tissue, that, indeed, it resembles 1,25-(OH)2-D3 in terms of its ...
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  • 14
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 756-757 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR GRIFFITHS REPLIES?Cullen's main point seems to be that the Alpine Fault is not the only deformation of New Zealand which occurred during seafloor spreading and that it is therefore insufficient simply to reverse the observed 480km offset in reconstructions. I have, however, always accepted this ...
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  • 15
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 757-757 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DRS FARMER AND BAXTER* REPLY?The data of Freyer and Wiesberg1 represent a welcome and significant contribution to the preliminary study of d13C trends in recent wood. It is gratifying that their results agree closely with our own2 (Fig. 1) and thereby seem reasonably to negate their criticisms ...
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  • 16
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 422-422 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DR FAUST REPLIES?Since the brush border region of the intestinal mucosal cell is a digestive-absorptive organelle, the pumping of monosaccharides and amino acids across this entire organelle must be considered in the mechanism by which these substrates are accumulated against their concentration ...
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  • 17
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 763-763 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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  • 18
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 517-517 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AFTER the Franco-Prussian war of 1870-71, it is well known that in many districts in France a new vegetation sprang up, evidently the result of the invasion. It was believed that this vegetation would become; acclimatised. It is not so, however, llInstitut informs us; at least very few of the ...
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  • 19
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 518-519 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To imagine that giant leaps for mankind could spring directly from a two-week ?talkfest? like the World Food Conference would be to misconstrue the nature and purpose of such events. Indeed it is probably better that the United States, the EEC and the OPEC countries did not come forward at that ...
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  • 20
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 522-522 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] CHANGES in the environment, for better and worse, are reviewed in the Fourth Report of the Royal Commission on Environmental Pollution, published last week (Cmnd 5780, HMSO, £1.10). Little progress seems to have been made on old problems like the control of pollution in estuaries, but the ...
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  • 21
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 523-523 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,?The catastrophic effects on humanity of the major climatological fluctuation which has caused so much concern in the Sahel zone of Africa may have overshadowed other smaller changes in the meteorological records recently obtained in adjacent areas. Sunshine records obtained during the past 19 ...
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  • 22
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 523-523 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SIR,?Your editorial ?Academics in the Boardroom? (November 22) implies that consultancy by university staff is something to be encouraged, whereas in fact it is something to be deplored. Professors and lecturers at universities are in receipt of a full salary for a full-time job of teaching and ...
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  • 23
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 524-524 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE elementary particles nearly obey a number of simple and elegant symmetry rules. Many useful approximate calculations can be made by assuming that the symmetries are perfect?for instance by assuming that the decays of K0 mesons are well behaved when all the particles in the decay process are ...
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  • 24
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 525-525 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ABNORMAL chromosomes are a regular feature of tumour cells. Non-transformed cells rarely show chromosomal abnormality unless obtained from developmentally defective individuals, many of whom show an increased predisposition to cancer. Altered chromosomes therefore either predispose oncogenic change ...
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  • 25
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 527-528 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OLIVER GOLDSMITH, who died just 200 years ago, is one of those unfortunate writers whom most modern critics find it fashionable either to denigrate or ignore, but whose literary stature remains obstinately undiminished among a wider public. Admittedly, his masterpieces were few; Goldsmith?s fame ...
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  • 26
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 529-530 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THOSE incorrigible optimists who look for salvation to the large-scale controlled release of thermonuclear fusion energy should be cheered by a conference which was held at Argonne National Laboratory near Chicago last January, under the title Surface Effects in Controlled Thermonuclear Fusion ...
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  • 27
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 531-531 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] AT a meeting on October 21 held at the Society of Chemical Industry, chemical and mechanical aspects of energy utilisation in agriculture were discussed. J. J. Landsberg of Long Ashton Research Station pointed out that the conversion of solar energy into useful biomass is an inefficient process. ...
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  • 28
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 763-763 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THESE splendid volumes on the most abundant, ubiquitous and internally complex minerals in the Earth's crust set a new standard for advanced mineralogical texts. They are extraordinarily comprehensive and the reader must feel a sense of wonder at the author's capacity to organise so vast a body of ...
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  • 29
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] It is known that in polycrystalline solids with anisotropic thermal expansion coefficients, a change in temperature produces profound changes in both the plastic properties of the solid and the creep compliance2-6. This effect is attributed to the thermally induced generation of microstresses. The ...
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  • 30
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 300-301 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recently von Frisch's controls have been criticised and new experiments have suggested that olfactory information alone is sufficient to explain the phenomenon of honey bee recruitment5?10. These experiments, however, were also subject to criticism11,12 and have stimulated new work with improved ...
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  • 31
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    Nature 252 (1974), S. 305-307 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The retina used for this study was obtained from the left eye of a 5-yr-old patient with an orbital rhabdomyosarcoma. The eye did not show any pathological changes. Immediately after surgical removal, the eye was transected into anterior and posterior segments and placed in fixative. The posterior ...
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  • 32
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    Nature 252 (1974), S. 311-313 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Ii parasites (〈 ifection c control ir 〉f normal rhesus monkeys ^ ifections for challenge of with 104 immunise P. knowlesi ?d animals) Parasite* Patent Maximum parasitaemiaf Death Drug cure (variant) (day) (per 104 erythrocytes) (day) (day) W(l) 4 1800 8 W(l) ...
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  • 33
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Generally, radiohaloes occur in one of several mineralogical contexts1,3,4. First, as single haloes around discrete inclusions well isolated from other mineral defects and haloes; second, as single haloes around discrete inclusions lodged in conduits or cleavage cracks; third, as single haloes ...
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  • 34
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    Nature 252 (1974), S. 571-572 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We have, therefore, trapped air particulates and examined them by scanning electron microscopy, together with an energy dispersive Kevex X-ray analyser attached to a similar microscope. Thus it was possible to select particles down to approximately 1mm diameter. Air particulates were trapped on ...
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  • 35
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    Nature 252 (1974), S. 576-577 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] During the summer of 1973, outcrops of Miocene sediments were discovered to the east of the Plio?Pleistocene Lake Rudolf Basin. The Miocene sediments are capped, and in many places covered, by younger igneous rocks that crop out over large portions of the region between Lakes Rudolf and Stephanie. ...
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  • 36
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    Nature 252 (1974), S. 580-581 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The botanical state of his starting material was variously described as "selected just before harvest"1 and presumably yellow, and "ripe and green"2'3. Thus contents of the putative active ingredient could differ. We therefore studied both a green plant with full sized ears and a ripe plant dug up ...
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  • 37
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    Nature 252 (1974), S. 636-636 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The source of the illustrations from the ceiling of the British Museum (Natural History) (Nature, 252, 193; 1974) was not acknowledged: they were reproduced from the Botany Leaflet No. 1 published by the British Museum (Natural ...
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  • 38
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    Nature 252 (1974), S. 189-189 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE voluntary muscles that move our limbs are full of sense organs, a fact in itself not surprising, although the use the central nervous system makes of the information they send it is perhaps more of a mystery than is the case for any other major group of sense organs in the body. The most ...
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  • 39
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    Nature 252 (1974), S. 193-193 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Painted panels from the ceiling of the Natural History Museum, London. According to The British Architect and Northern Engineer of June 1878 "the chief idea . . . . is that of growth". Left to right: Scots pine Pinus sylvestris peach Amygdalus persica cacao Theobroma cacao; English oak Quercus ...
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  • 40
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    Nature 252 (1974), S. 194-194 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE view that the Earth's upper mantle might be eclogitic in composition was put forward over 60 years ago by Fermor (Rec. Geol. Surv. India, 43, 41; 1913), although since then it has received comparatively little support. According to Green and Ringwood (Phys. Earth Planet, Interiors, 3, 359; ...
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  • 41
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    Nature 252 (1974), S. 205-209 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The represser binding capacity of λplac DNA was maximally reduced by as few as 2–5 cuts by either of two single-strand specific nucleases. But approximately 300 cuts by three nonspecific nicking agents were necessary to give the same ...
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  • 42
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    Nature 252 (1974), S. 598-600 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] By virtue of its small size (about 120 nucleotides), 5S rRNA is convenient for study but its maturation is not always as complex as that affecting the high molecular weight rRNA molecules (16S and 23S rRNA, in prokaryotes). In Escherichia coli, for example, the precursor of 5S rRNA (p5) is ...
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  • 43
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In the course of studies on immunoglobulin (Ig) production in vitro, by means of a haemagglutination-inhibition assay2, supernatants from four human lymphoblastoid lines (of more than 60 tested) were found to agglutinate glutaraldehyde-fixed Ig-coated sheep erythrocytes in the absence of anti-Ig ...
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  • 44
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Serum antibody to EBV-capsid antigen in normal adults and patients with IM were measured by indirect immunofluores-cence3, using SH-RP cells4 previously irradiated with ultraviolet light to enhance virus capsid antigen5. The results are shown in Tables 1 and 2. Leukocyte migration inhibition was ...
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  • 45
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    Nature 252 (1974), S. 612-612 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In Spring 1974 two cows died within 24 h of each other and anthrax was confirmed in each case. Control measures included the immediate vaccination of the remainder of the herd with a proprietary spore vaccine. Anthrax Spore Vaccine (Living), (Wellcome). The following day a cow became ill, having a ...
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  • 46
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 614-614 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GIRDLER and Styles1 cite geological evidence2 from the Gulf of Suez area favouring the idea that a Carboniferous Red Sea depression existed. Various views have been put forward concerning the age of the Suez rift structures3"5. Some authorities believe block faulting and rifting does not predate ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 682-682 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Western area peninsula of Sierra Leone, showing the sites with tar polluted shores (dashed line) and the probable extent (dotted line) of the peninsular coastline affected by the pollutant. Scale bar represents 2.5 km. At Lumley beach during ebb tide, tar lumps and other debris are ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 688-689 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The present flow visualisation results are for a rotor of diameter 91.42 mm concentrically positioned inside a Perspex stator of bore 103.2 mm, thickness 19 mm and effective length 250 mm, so that R1/R2=0.894. Vortices in the test fluid, a silicone oil of kinematic viscosity v = 19.3 centistoke, ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 690-692 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Table 1 Amino acid composition of Recent skeletal protein* Recent Radiolaria (silicified) Recent Foramini-fera (calcified)7 Amino Spumellaria Nassellaria Mean of acid S. antarcti- S. glacialis C. neatum Mean 16 species cum Asp 151 154 167 356 212 Thr 50 40 ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] One possible 'non-chance' explanation stems from the unequal decomposition of optical isomers5,6 and the appearance of optical activity in the products of light-mediated reactions7?10 in circularly polarised light. A slight excess of right-circularly polarised light in sunlight reflected and/or ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 700-701 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Assortative mating also takes place between the phenotypes. In previously published data4, which were taken from observations on several colonies by different ornithologists, the intermediates and darks were not distinguished from each other and were lumped into a single class of dark birds. Some ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 703-705 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A high organic matter, basaltic soil (Ashburner1), which produces high levels of ethylene, was treated moist for 30 min with aerated steam at 60, 82 and 100 C to simplify progressively the soil microflora4. Samples of treated soil were compared for ethylene production1 with untreated and ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Our procedure was based on existing knowledge of the immune response against opiates. Antibody against morphine-protein conjugates has been demonstrated to bind free opiate hapten2?8. Different antibody specificities have been described when the same immunising opiate was linked to the protein ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 713-715 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] An understanding of the molecular mechanisms which control synthesis and degradation of bone matrix is lacking. This is a result partly of the complexity of bone tissue in which there exists within the large volume of extracellular matrix a variety of cellular types including osteocytes, ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 715-716 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Random-bred SWR female mice 6?8 weeks old were super-ovulated and mated to provide unfertilised eggs and various in vivo preimplantation stages for the I IF assays3. Super-ovulated BALB/c females mated with C57BL males, and naturally-ovulated ICR female mice mated with C3H males, provided ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 114-115 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Mixtites which enclose striated clasts are not ipso facto tillites. Non-glacially striated stones occur in deposits unrelated to glaciation, and glaciclastic detritus may occur in non-glacial deposits. Clasts which have been abraded by non-glacial processes (including tectonism) can resemble ...
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    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] VCM, readily reactive in free radical-mediated industrial polymerisations, may interact with liver mixed function oxidase system (MFOS), an intracellular enzyme complex located within the membranes of the endoplasmic reticulum. This system is known to activate other halogenated hydrocarbons into ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 728-730 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Rana temporaria (60 g) kept at 15 C and force fed twice a week with 1-1.5 g chopped beef were used. Single skeletal muscle fibres of the fast twitch type were isolated by micro-dissection from the dorsal part of the semitendinosus muscle. The fibres diameter 70-150 µm were kept in a standard ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 441-441 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] To its devotees tumour immunology is an absorbing pastime. To them the facts that T lymphocytes and B lymphocytes and macrophages can all in their different ways be cytotoxic, at least in vitro, are mutually compatible. The existence of anti-tumour antibodies that can be thought of as cytotoxic or ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 444-444 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IT should be quite possible to predict earthquakes on a purely phenomenological basis with little, if any, understanding of the physical process involved. All that would be necessary would be to find a premonitory effect which is common to all earthquakes, or at least to a class of earthquakes ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 459-460 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Briefly, the usual reasoning runs that a source S emits a photon of frequency vs towards a detector D when both are relatively at rest at distance l apart. At the same instant the detector commences a relative motion with constant acceleration g relative to, and away from, S. D receives the photon ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 136-137 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Statistical Methods for the Earth Scientist . By Roger Till. Pp. 154. (Macmillan: London and Basingstoke, 1974.) £5.00, boards; £2.50, paper. THERE are few really readable books on statistics in general and even fewer aimed specifically at the earth scientist, but Dr Till is to be ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 140-141 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Theoretical Nuclear Physics. Vol. 1: Nuclear Structure . By Amos de Shalit and Herman Feshbach. Pp. xxviii+979. (Wiley: New York and London, June 1974.) £14.60. THE appearance of this volume is a notable event for nuclear physicists and yet another reminder of the loss to the ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 142-142 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Internal Rotation in Molecules . Edited by W. J. Orville-Thomas, Pp. xvii+606. (Wiley-Interscience: New York, 1974.) £13.50. THE last thirty years have seen considerable activity in the study of internal rotation and related ring puckering motions in molecules. Orville-Thomas' ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 142-142 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Gradient Liquid Chromatography . By C. Liteanu and S. Gogan. (Elli Horwood Series in Analytical Chemistry). Pp. xii+358. (Ellis Horwood; Chichester, Distributed by John Wiley. Halsted Press: New York, July 1974.) £10.50. THIS work reviews the principles, practice and application of ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 146-146 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Freshwater Fishes of Canada . By W. B. Scott and E. J. Crossman.Pp. xi+966. (Fisheries Research Board of Canada Bulletin No. 184.) (Information Canada, Ottawa, 1973.) $9.75. THE Fisheries Research Board of Canada has a most creditable publishing record on both fish and fisheries. By ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 146-146 
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    Source: Nature Archives 1869 - 2009
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    Notes: [Auszug] The shovelnose sturgeon, Scaphirhynchus platorynchus, (above), and the slimy sculpin, Cottus cognatus. From Northern Fishes; third edition. By Samuel Eddy and James C. Underbill. Pp. xix + 414. (University of Minnesota: Minneapolis; Oxford University: London, OctO'ber 1974.) ...
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    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 148-148 
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    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Chemistry, Metabolism of Drugs and Toxins: An introduction to Xenobiochemistry . By Michael and Maxine Briggs. Pp. xii+386. (Heinemann Medical: London, June 1974.) £5.00. THIS pot-pourri of data from chemistry, biochemistry, biochemical pharmacology, pharmacology and toxicology is ...
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