ScienceJohn Michels (Journalist) 1955 |
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Стр. 678
... present in the earth's crust . The naturally occurring isotope Ra226 is present in amounts that vary between 100 and 1000 mc / mi2 , con- sidering only the upper few inches of the earth's crust . Of the various long - lived constituents ...
... present in the earth's crust . The naturally occurring isotope Ra226 is present in amounts that vary between 100 and 1000 mc / mi2 , con- sidering only the upper few inches of the earth's crust . Of the various long - lived constituents ...
Стр. 801
... present in the mitochondria of the mouse - liver cell ( 2 ) . More recently Roy reported that the bulk of the sulfatase ( 43 to 62 percent ) is also present in the mitochon- drial fraction of rat liver ( 3 ) . However , none of these ...
... present in the mitochondria of the mouse - liver cell ( 2 ) . More recently Roy reported that the bulk of the sulfatase ( 43 to 62 percent ) is also present in the mitochon- drial fraction of rat liver ( 3 ) . However , none of these ...
Стр. 846
... present unsatisfactory situation with regard to visas for foreign scientists desiring to visit the United States . Rather should the major blame rest upon the 82nd Congress that passed the McCarran- Walter Immigration Act ( over the ...
... present unsatisfactory situation with regard to visas for foreign scientists desiring to visit the United States . Rather should the major blame rest upon the 82nd Congress that passed the McCarran- Walter Immigration Act ( over the ...
Содержание
ANNUAL REVIEW | 166 |
PSYCHOLOGY | 189 |
Child Psychology M RadkeYarrow and L J Yarrow | 220 |
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AAAS acid activity Agriculture aldosterone American amino acids analysis animals annual anthranilic acid application Association Atomic Energy award Bentley Glass biochemistry biology boundary layer Calif California Cancer cells Center chairman Chem chemical chemistry Chicago clinical College Columbia University Committee compounds conference cortisone culture decibel Department Dept director discussion Division effect electric electron ence engineering experimental experiments field gene genetics Health hemocyanin Hospital Illus industrial interest isotopic laboratory mate-killers material mathematics mechanics Medical meeting ment metabolism metal meteorites method National National Science Foundation nuclear organic papers pentobarbital percent physics physiology plant present president problems professor protein radiogenic reactor References and Notes reported Reviewed samples School of Medicine Science scientific scientists Section sessions Society solution symposium techniques tests theory thiouracil tion Univ University University of California Washington 25 York