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  • 11
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 153 (1944), S. 684-684 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE read with interest the short account of the nine–ten day human embryo described by Prof. Francis Davies in NATURE of April 15. This embryo is obviously of great importance and value to the study of early human development, in which such significant advances have been made in the past few ...
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  • 12
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 153 (1944), S. 591-591 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PIGLET anæmia is a microcytic hypochromic anæmia which may affect suckling pigs during the first 21–30 days after birth, especially when they are reared in such a way that access to pasture is excluded. The treatments at present adopted aim,at supplying an additional amount of iron to the ...
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  • 13
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 153 (1944), S. 558-559 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE successful interruption of large currents at high voltages has been the subject of considerable research, the general aim being to bring about a low-energy release in the circuit breaker by having a short arcing period. During recent years, attention has been focused on the use of a ...
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  • 14
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 153 (1944), S. 54-55 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] FOR the isolated sartorius muscle of the frog it was found1 that over a wide range of concentration of external potassium and chlorine ions the following relation applied (in accordance with the Donnan principle): ... where [K]1,[K] are the potassium concentrations ...
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  • 15
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 153 (1944), S. 317-317 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SOME time ago1 Paranjape, Phalnikar, Bhide and Nargund reported a synthesis of santonin from optically inactive materials: they now2 claim that their product was active, beingalmost entirely the natural (l-) isomer. They state that the activity, originated in the ...
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  • 16
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 152 (1943), S. 386-387 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE form of the breakdown voltage/pressure curve for various gases in the pressure range 0–5 cm. mercury has been established by several investigators. The breakdown voltage usually measured is that at which a galvanometer in series with the experimental tube indicates a current of 0–1 ...
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  • 17
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 148 (1941), S. 394-396 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN these modern times the opportunities for o*- making new geographical discoveries have become very scarce, and for this reason the open-Ing up of a large new cave system, such as G.B. ocave, within twelve miles of Bristol, should be of considerable interest to the scientific world. The range of ...
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  • 18
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 292-292 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] WE have pointed out1 that ultra-short radio waves polarized with the electric vector vertical are propagated into the shadow of hills more readily than horizontally polarized waves. We have since observed the opposite effect for receiver positions beyond hills but just outside ...
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  • 19
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 150 (1942), S. 520-521 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] MOST bearing alloys consist of a matrix of a soft metal in which are distributed uniformly small crystals of a harder metal. Such a structure has been found by long experience to possess the most satisfactory mechanical, frictional, and low-wearing properties. It is usually supposed that the ...
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  • 20
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 151 (1943), S. 280-280 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE result of the cleavage of several proteins or their derivatives by pure proteinases has been investigated by us. This was accomplished by the determination of the ratio of the total nitrogen contained in such linkages as might be split by proteinases to the amount of nitrogen contained in ...
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