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Стр. 897
Agricultural production here has plant and learning how to improve both tries . But the increase in population been increasing at the rate of about 2 the plant and its environment . " amounted virtually to a demographic percent a year ...
Agricultural production here has plant and learning how to improve both tries . But the increase in population been increasing at the rate of about 2 the plant and its environment . " amounted virtually to a demographic percent a year ...
Стр. 899
Production of fish efforts in long - range research and acacultural policies and actions that ex- flour from species not now commer- demic projects . The agreement makes tend far beyond finance . When the cially sought after provides ...
Production of fish efforts in long - range research and acacultural policies and actions that ex- flour from species not now commer- demic projects . The agreement makes tend far beyond finance . When the cially sought after provides ...
Стр. 1702
All during the summers of 1940 and 1941 siderations show that , for efficient pulpthat remained was to find out whether concentrated mainly on attempts to use ing , the mass of leaf must not be althe production of leaf protein in bulk ...
All during the summers of 1940 and 1941 siderations show that , for efficient pulpthat remained was to find out whether concentrated mainly on attempts to use ing , the mass of leaf must not be althe production of leaf protein in bulk ...
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Abstracts Academic activity addition American analysis animals applications Association Biological cells chapter chemical Chemistry complete compounds continuing cultural Department direction discussion disease edition effect electron engineering example experiments field function give given History illustrations important increase Institute interest John laboratory less light material mathematics means measure ment methods Michigan nature observed organization percent physics planning plant possible present Press problems production published range recent reference release response Science scientific selective social Society space specific structure temperature theory tion United Univ University volume Washington write York