Science, Том 134John Michels (Journalist) American Association for the Advancement of Science, 1961 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Стр. 167
... material having good ductility and moderate strength ; and fibrous material having high elastic modulus and high strength . Combina- tion of these materials and sophisticated development of particular compositions have not been ...
... material having good ductility and moderate strength ; and fibrous material having high elastic modulus and high strength . Combina- tion of these materials and sophisticated development of particular compositions have not been ...
Стр. 284
... material . When it had been determined that the material was a liquid , it was isolated in a relatively pure form by the following method . Dormant peach flower buds were collected and extracted for 24 hr in two changes of diethyl ether ...
... material . When it had been determined that the material was a liquid , it was isolated in a relatively pure form by the following method . Dormant peach flower buds were collected and extracted for 24 hr in two changes of diethyl ether ...
Стр. 647
... material rather than of the genetic material fate has chanced to confer on the parents themselves implies , of course , that material from outstand- ing sources become available by hav- ing it stored in suitable banks ( 3 , 6 , 7 ) . It ...
... material rather than of the genetic material fate has chanced to confer on the parents themselves implies , of course , that material from outstand- ing sources become available by hav- ing it stored in suitable banks ( 3 , 6 , 7 ) . It ...
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Millipore | 640 |
DETERMINATION | 654 |
Particles containing lead in both soluble | 672 |
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