ScienceJohn Michels (Journalist) 1950 |
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Page 123
... sample immersed to a depth of 1 cm in a freez- ing mixture . A brine - ice bath or a glycol - water mixture , held at -5 ° C to -10 ° C in an open - topped refrigerator , can be used conveniently . The sample is completely dry in 2-4 hr ...
... sample immersed to a depth of 1 cm in a freez- ing mixture . A brine - ice bath or a glycol - water mixture , held at -5 ° C to -10 ° C in an open - topped refrigerator , can be used conveniently . The sample is completely dry in 2-4 hr ...
Page 281
... sample totaled about 750,000 persons . It is planned to expand the sample at some later time to include about 2.5 % of the covered workers . The New York sample is the approximately 10 % group of persons who have 2 as the sixth digit of ...
... sample totaled about 750,000 persons . It is planned to expand the sample at some later time to include about 2.5 % of the covered workers . The New York sample is the approximately 10 % group of persons who have 2 as the sixth digit of ...
Page 646
... samples . If the pathogen were present in a macerated bean sample in any number , and if a known number of phage particles were added to a given volume of this sample , a significant increase in number of phage particles should occur ...
... samples . If the pathogen were present in a macerated bean sample in any number , and if a known number of phage particles were added to a given volume of this sample , a significant increase in number of phage particles should occur ...
Contents
Technical Papers | 2 |
The Urea Complexes of Unsaturated Fatty | 19 |
Comments and Communications | 25 |
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