64. By 1947 chemical fractionation theorists assumed absence of nuclear processes. Statistically significant deviations from natural abundances began to appear in some early isotopic data collected by scientists; such anomalies were observed in many different types of experimental chemical reaction systems an...
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Lewis model has high scientific and practical on analyzing surplus-labor existence,change of the two departments in trading conditions,input effective employment,the role in economic growth of the traditional department and so on. 刘易斯模型在分析剩余劳动力的存在、两部门交易条件的变化、输入地有效就业...
Lewis model has high scientific and practical on analyzing surplus-labor existence,change of the two departments in trading conditions,input effective employment,the role in economic growth of the traditional department and so on. 刘易斯模型在分析剩余劳动力的存在、两部门交易条件的变化、输入地有效就业...
Bond valences—A simple structural model for inorganic chemistry. Chem. Soc. Rev. 1978, 7, 359–376. [Google Scholar] [CrossRef] Pauling, L. Atomic radii and interatomic distances in metals. J. Am. Chem. Soc. 1947, 69, 542–553. [Google Scholar] [CrossRef] Gilli, P.; Bertolasi,...