ScienceJohn Michels (Journalist) 1951 |
Результаты поиска по книге
Результаты 1 – 3 из 86
Стр. 153
... soil . used since direct current would tend to polarize the chemicals , thus changing the properties of the film ... soil moisture through the measurement of the soil atmosphere rela- tive humidity . The possibility of measuring the free ...
... soil . used since direct current would tend to polarize the chemicals , thus changing the properties of the film ... soil moisture through the measurement of the soil atmosphere rela- tive humidity . The possibility of measuring the free ...
Стр. 260
... Soil analyses were made as follows : pH determined with Beckman potentiometer on a fresh 50 % water suspension of soil ; soluble chlorides by washing a 10 - g sample of soil with hot water several times in a Buch- ner funnel and ...
... Soil analyses were made as follows : pH determined with Beckman potentiometer on a fresh 50 % water suspension of soil ; soluble chlorides by washing a 10 - g sample of soil with hot water several times in a Buch- ner funnel and ...
Стр. 261
... soil from Morelos initiates a reaction which decom- poses about 10 % of the DDT ; the soil of Guerrero , a reaction which decomposes about 20 % of the DDT ; and the soil from Michoacan , a reaction which decom- poses about 90 % of the ...
... soil from Morelos initiates a reaction which decom- poses about 10 % of the DDT ; the soil of Guerrero , a reaction which decomposes about 20 % of the DDT ; and the soil from Michoacan , a reaction which decom- poses about 90 % of the ...
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
AAAS absorption acetone acid activity American amino acids Ammonoidea animals Annual Antabuse applied appointed Association autoxidation awarded Bentley Glass Biochem Biol biological blood Cancer cells Chem chemical Chemistry Chicago chlorophyll chloroprocaine clinical colchicine College concentration cortisone culture density Department diet director Division effect Engineering enzyme epidermis erythrocytes experimental experiments field Fraction Geology growth Health Ibid inhibition injection Institute investigation Laboratory liver material measured mechanism Medical Medicine ment metabolism method muscle National nuclear nuclei observed obtained organic oxidation penicillin physical Physiol physiology plant plasma potassium present procaine production professor rats reported samples School Science scientific scientists Sept serum Society soil solution substances Table technique temperature thiouracil tion tissue tryptophan tube tumors Univ University University of Minnesota uracil uraninite vitamin B12 y-globulin York