Science: v.1-v.219Moses King, 1966 |
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Стр. 1047
... samples must be allowed to relax in the dark at room temperature for at least 2 minutes before being frozen in order to give a constant background . These experiments with leaf plugs were convenient and allowed fast . heating of the sample ...
... samples must be allowed to relax in the dark at room temperature for at least 2 minutes before being frozen in order to give a constant background . These experiments with leaf plugs were convenient and allowed fast . heating of the sample ...
Стр. 1048
... sample at the time of illumination . If the samples are held in the dark at higher temperatures after having been illuminated at a low temperature , then the signal is smaller and depends upon the time it is exposed at the higher ...
... sample at the time of illumination . If the samples are held in the dark at higher temperatures after having been illuminated at a low temperature , then the signal is smaller and depends upon the time it is exposed at the higher ...
Стр. 1456
... sample ( 1 μl ) in 0.2 ml of acetone in the sample holder without the silica gel . The ozone entering the sample chamber was conducted via a piece of stainless - steel hypodermic tubing under the surface of the acetone solution so that ...
... sample ( 1 μl ) in 0.2 ml of acetone in the sample holder without the silica gel . The ozone entering the sample chamber was conducted via a piece of stainless - steel hypodermic tubing under the surface of the acetone solution so that ...
Содержание
Vol 154 No 3752 | 961 |
BOOK REVIEWS | 995 |
Respiration of a Forest Measured by Carbon Dioxide Accumulation during | 1031 |
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