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土壤圈(英文版). 1999, (03)

Similarities and Differences Between Freundlich Kinetic Equation and Two-Constant EquationEnglish Full Text

ZHANG ZENGQIANG and ZHANG YIPING(Deparfment of Basic Sciences, Northwestern Agricultural University, Yangling 712100 (China))(Department of Resources and Environmental Sciences, Northwestern Agricultural University, Yangling 712100 (China))(Received April 19, 1999; revised June 15, 1999)

Abstract: A mathematical expression of Freundlich kinetic equation, 1nS=A’+B’1nt, is presented, and the physical meanings of its parameters are indicated. Although the Freundlich kinetic equation and the two-constant equation are the same in the form, the derivation of the Freundlich kinetic equation is precise, while the deriVation of the two-constant equation has some contradictions and is unreasonable. And it is suggested that the Freundlich kinetic equation should have priority over the two-constant equation to be used.
Keywords：

Freundlich kinetic equation; parameters; physical meaning; two-constant equation;

  • Series：

    (D) Agriculture

  • Subject：

    Fundamental Science of Agriculture; Agronomy

  • Classification Code：

    S152.9

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