Annual Report of the Board of Regents of the Smithsonian InstitutionThe Institution, 1921 |
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Сторінка 195
... important and fundamental constant in physics , with an accuracy , it is believed , of one in a thousand . By combining the value of this constant with electro - chemical data , the number of molecules in a cubic centimeter of gas and ...
... important and fundamental constant in physics , with an accuracy , it is believed , of one in a thousand . By combining the value of this constant with electro - chemical data , the number of molecules in a cubic centimeter of gas and ...
Сторінка 418
... important studies of the effect of various densities of oils on insect eggs . At the request of the Chemical Warfare Service various sub- stances and impregnated clothes devised for the protection of sol- diers against gas were also ...
... important studies of the effect of various densities of oils on insect eggs . At the request of the Chemical Warfare Service various sub- stances and impregnated clothes devised for the protection of sol- diers against gas were also ...
Сторінка 499
... important advantages over that in the humid region . The soils of the arid region by the nature of the case have generally not been leached of their mineral plant foods as have those in the humid region , and they are therefore much ...
... important advantages over that in the humid region . The soils of the arid region by the nature of the case have generally not been leached of their mineral plant foods as have those in the humid region , and they are therefore much ...
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Bureau of American Ethnology | 17 |
Report on the United States National Museum | 25 |
EXECUTIVE COMMITTEE AND REGENTS | 100 |
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