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出版机构：University of Chicago
刊物名称：The Elementary School Journal
出版时间：1971
ISSN：0013-5984
数据源：报刊文摘
AbstractA process has been developed and piloted to reject Cu, Pb, Fe, P, Bi, Sb, elemental sulfur, and insol from molybdenite concentrate without decomposing the contained molybdenite and rhenium. The impure concentrate is first heated with concentrated sulfuric acid to attain a 260? to 290? 出版机构：Springer US 刊物名称：Metallurgical and Materials Transactions B 出版时间：1971 ISSN：1073-5615 数据源：报刊文摘
出版机构：University of Chicago
刊物名称：The American Historical Review
出版时间：1971
ISSN：0002-8762
数据源：报刊文摘
出版机构：University of Chicago
刊物名称：Journal of Political Economy
出版时间：1971
ISSN：0022-3808
数据源：报刊文摘
Conclusions1.The IR spectra of methyl phosphorodichloridate were obtained in media of various polarities. The presence of rotational isomer was established, their amounts and the differences of the internal energies were determined.2.The experimental dipole moment was determined. 出版机构：Springer US 刊物名称：Russian Chemical Bulletin 出版时间：1971 ISSN：1066-5285 数据源：报刊文摘
AbstractThe mechanical behavior of the vessels and the blood near a bifurcation is analyzed. A single-layer homogeneous shell is taken as a model of the aorta on the assumption that the intima is much less stiff than the other layers. 出版机构：Springer US 刊物名称：Mechanics of Composite Materials 出版时间：1971 ISSN：0191-5665 数据源：报刊文摘
出版机构：University of Chicago
刊物名称：The Journal of Modern History
出版时间：1971
ISSN：0022-2801
数据源：报刊文摘
Without Abstract 出版机构：Springer US 刊物名称：Bulletin of Experimental Biology and Medicine 出版时间：1971 ISSN：0007-4888 数据源：报刊文摘
Conclusions1.When the model compounds of lignin: 1-(3,4-dimethoxyphenyl)-2-(2-methoxypheaoxy)-3-hydroxy-propanone (III) and 1-(3,4-dimethoxyphenyl)-2-(2-methoxyphenoxy)-1,3-propanediol (VII) are nitrated with 9 moles of conc. 出版机构：Springer US 刊物名称：Russian Chemical Bulletin 出版时间：1971 ISSN：1066-5285 数据源：报刊文摘
出版机构：University of Chicago
刊物名称：The Elementary School Journal
出版时间：1971
ISSN：0013-5984
数据源：报刊文摘
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