ScienceJohn Michels (Journalist) 1939 |
Результаты поиска по книге
Результаты 1 – 3 из 80
Стр. 63
... position connects a pipette with a reservoir from which it is filled and in the other position connects the pipette with the vein into which it empties ( see Fig . 1 ) . The filling level ( F ) of the pipette is determined by the position ...
... position connects a pipette with a reservoir from which it is filled and in the other position connects the pipette with the vein into which it empties ( see Fig . 1 ) . The filling level ( F ) of the pipette is determined by the position ...
Стр. 306
... position 2 on the pyrimidine ring , all other radicals remaining unchanged . Similar results are secured if oxygen is substituted for the amino group at position 6. Thiamin becomes ineffective for Phycomyces if a methyl group is ...
... position 2 on the pyrimidine ring , all other radicals remaining unchanged . Similar results are secured if oxygen is substituted for the amino group at position 6. Thiamin becomes ineffective for Phycomyces if a methyl group is ...
Стр. 372
... position for operations . The light - delivering end of the rod should be placed in such a position that its surface is parallel to the surface of the micro- scope objective , this being necessary to produce a field of even illumination ...
... position for operations . The light - delivering end of the rod should be placed in such a position that its surface is parallel to the surface of the micro- scope objective , this being necessary to produce a field of even illumination ...
Содержание
Sci 105 | 1 |
Philosophical Society American 382 E G CONKLIN 436 | 9 |
ALEXANDER J Science in the Old South | 12 |
Не показаны другие разделы: 58
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
acid Advancement of Science Agriculture American Association American Society animals asso awarded biological Botanical California cell cent chairman Chem chemical chemistry Chicago College Columbia University committee Company Council culture December 28 director discussion disease Division earth effect elected engineering entomologists experimental experiments fessor field genetic geology Grand Central Terminal Harvard Harvard University held hormone human ical industrial insects Institute interest investigation Jour laboratory lecture material mathematical Medal Medical Medicine ment method Museum National nature Observatory observed obtained organization physical physiology planetesimal plants president problems professor protein rats recent RECENT DEATHS relation Richard Gregory School SCIENCE FRIDAY scientific scientists secretary Section seismology session Smithsonian Institution Building social Society of America solution species structure sulfanilamide symposium temperature theory thiamin tion University versity vice-president virus vitamin Washington William workers York City