ScienceJohn Michels (Journalist) 1958 |
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Стр. 228
... percent over the 2,947,000 who enrolled in the fall of 1956 . Last fall's enrollment was 45 percent above fall enrollments in 1951 , the year of lowest enrollments since World War II , and 25 percent above 1949 , the peak year for ...
... percent over the 2,947,000 who enrolled in the fall of 1956 . Last fall's enrollment was 45 percent above fall enrollments in 1951 , the year of lowest enrollments since World War II , and 25 percent above 1949 , the peak year for ...
Стр. 340
... percent of the cardiolipin was retained at the top of the column and could not be moved down the column with 5 per- cent ethanol in chloroform . The top zone was therefore rechromatographed , with 20 percent ethanol ( by volume ) in ...
... percent of the cardiolipin was retained at the top of the column and could not be moved down the column with 5 per- cent ethanol in chloroform . The top zone was therefore rechromatographed , with 20 percent ethanol ( by volume ) in ...
Стр. 645
... percent ( 4 , 5 ) . Yields of between 20 and 50 percent have been obtained with Pyrex , graphite , and nickel furnaces ( 4 , 5 ) . In addition , other valuable materials - for example , bromopentafluorobenzene and ...
... percent ( 4 , 5 ) . Yields of between 20 and 50 percent have been obtained with Pyrex , graphite , and nickel furnaces ( 4 , 5 ) . In addition , other valuable materials - for example , bromopentafluorobenzene and ...
Содержание
Infrared absorption spectra of steroids | 11 |
K and J F Winn Renal | 12 |
Insecticide broadcast use of 462 effect | 25 |
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