ScienceJohn Michels (Journalist) 1955 |
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Стр. 583
... present situation and to indicate the directions in which planning should proceed , a survey of biological abstracting , supported by funds from the National Science Foundation and other agencies , was conducted under a contract with ...
... present situation and to indicate the directions in which planning should proceed , a survey of biological abstracting , supported by funds from the National Science Foundation and other agencies , was conducted under a contract with ...
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 , considering 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 , considering only the upper few inches of the earth's crust . Of the various long - lived constituents ...
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 McCarranWalter Immigration Act ( over the veto ...
... 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 McCarranWalter Immigration Act ( over the veto ...
Содержание
ANNUAL REVIEW | 166 |
PSYCHOLOGY | 189 |
Child Psychology M RadkeYarrow and L J Yarrow | 220 |
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AAAS acid activity addition Advancement American analysis animals annual appear application Association atomic biology California cells changes chemical chemistry College Committee complete conference containing contributions course Department determined director discussion Division effect electric energy engineering experiments field given Health held important increase indicate industrial Institute interest International Italy John laboratory lead light material means measure mechanics Medical Medicine meeting ment method Michigan natural Notes nuclear observed obtained operation organic percent period physics plant possible prepared present president Press problems professor published recent References reported Reviewed samples School Science scientific scientists Service sessions Society solution structure symposium Table tests theory tion United Univ University values Washington York