ScienceJohn Michels (Journalist) 1957 |
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Page 221
... sample . At the level of 10 disintegrations per minute , per sam- ple , the precision is a few percent . Even at low levels of activity , the variation in the individual samples is considerably larger than the experimental error . The ...
... sample . At the level of 10 disintegrations per minute , per sam- ple , the precision is a few percent . Even at low levels of activity , the variation in the individual samples is considerably larger than the experimental error . The ...
Page 223
... samples in the category . ) The world average for all ages and locations is 0.12 micromicrocuries per gram of calcium ; the average , including one sample of high value , is 0.14 ; and the world average for all samples assuming " equal ...
... samples in the category . ) The world average for all ages and locations is 0.12 micromicrocuries per gram of calcium ; the average , including one sample of high value , is 0.14 ; and the world average for all samples assuming " equal ...
Page 1158
... samples can be counted daily . Versatility is indicated by the fact that this is a method of spectrometry . Pulse height analysis permits selection of the most favorable sample and background condi- tions . Also , two or more beta ...
... samples can be counted daily . Versatility is indicated by the fact that this is a method of spectrometry . Pulse height analysis permits selection of the most favorable sample and background condi- tions . Also , two or more beta ...
Contents
News of Science Asian Nuclear Center IGY Upper Atmosphere Research Free Radicals | 18 |
Meetings and Societles Symposium on Xray Microscopy Conference on Tissue Culture Forthcoming | 30 |
Route of elimination of anthracene | 45 |
Copyright | |
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