ScienceJohn Michels (Journalist) 1951 |
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Стр. 65
... mean value for each specimen is given in Table 2. With the exception of No. 7 , all means fall within the range 1,900-2,300 × 106 years , which gives a mean for all specimens of 2,100 x 106 years . TABLE 2 Mean 2,200 1,800 2,050 + 200 ...
... mean value for each specimen is given in Table 2. With the exception of No. 7 , all means fall within the range 1,900-2,300 × 106 years , which gives a mean for all specimens of 2,100 x 106 years . TABLE 2 Mean 2,200 1,800 2,050 + 200 ...
Стр. 363
... means of a wire yoke ( I ) is flexibly linked to the movable disk of the bellows . The wires of the yoke are fastened to the glass cylinder by means of a plastic ring cemented to the cylinder . The wires are made of such a length as to ...
... means of a wire yoke ( I ) is flexibly linked to the movable disk of the bellows . The wires of the yoke are fastened to the glass cylinder by means of a plastic ring cemented to the cylinder . The wires are made of such a length as to ...
Стр. 380
... means to arrange them In such a way that they affect each other . A highly integrated group is one in which the components influence each other in multitudinous ways . The entity that results from integrating ( which may be only a ...
... means to arrange them In such a way that they affect each other . A highly integrated group is one in which the components influence each other in multitudinous ways . The entity that results from integrating ( which may be only a ...
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The Potentiation of DDT against Resistant Houseflies | 6 |
Book Reviews | 21 |
AAAS Administration | 26 |
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