ScienceJohn Michels (Journalist) 1944 |
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Стр. 352
... preparation used . A search for a single compound which would serve both as a pH indicator and an E ( oxidation - reduc ... prepared by dissolving 0.625 grams ( total dye concentration 84 per cent . ) in 250 ml of distilled water . The ...
... preparation used . A search for a single compound which would serve both as a pH indicator and an E ( oxidation - reduc ... prepared by dissolving 0.625 grams ( total dye concentration 84 per cent . ) in 250 ml of distilled water . The ...
Стр. 394
... prepare mounts . ( 6 ) Use clean slides and cover glasses . Circular cover glasses 12 to 15 millimeters in diameter give better mounts than larger sizes . Squares are unsatis- factory for most specimens . Mounts are prepared by two ...
... prepare mounts . ( 6 ) Use clean slides and cover glasses . Circular cover glasses 12 to 15 millimeters in diameter give better mounts than larger sizes . Squares are unsatis- factory for most specimens . Mounts are prepared by two ...
Стр. 410
... prepared and made commercially . The likely indus- trial utility of new aluminum derivatives has been surveyed from all points of view . From investiga- tions on nickel compounds and catalysts , products have been developed that are of ...
... prepared and made commercially . The likely indus- trial utility of new aluminum derivatives has been surveyed from all points of view . From investiga- tions on nickel compounds and catalysts , products have been developed that are of ...
Содержание
VOL | 1 |
A Longevity of the Eminent 345 | 20 |
Royal Observatory Greenwich 165 Standards Association American | 32 |
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Academy of Sciences acid activity Advancement of Science agricultural amebiasis American Association animals annual applied appointed areas Asso avidin awarded Biol biological biotin botany Cattell cells cent chairman Chem chemical chemistry chemists Chicago clavacin College Columbia University committee Company Council desthiobiotin director disease effect elected engineering enzyme estrogen experiments field filariasis Foundation Geological growth human industrial infection Institute investigations Jour Journal laboratory lectures lysozyme malaria material mathematics Medal meeting ment method mice Museum National nature nutrition organic chemistry organization paper patulin penicillin physical plants present president problems production professor protein psychology Public Health published rats recent RECENT DEATHS reported Rockefeller Foundation School of Medicine scientific scientists secretary Smithsonian Institution Building Society solution Soviet species Technology thiouracil tion tropical medicine United versity vice-president virus vitamin Washington William York York City zoology