“soil ammonium fixation”的概念、定义、翻译、参考文献-科学参考

单词	soil ammonium fixation
释义	soil ammonium fixation Encyclopedia 农学土壤铵固定释 soil ammonium fixation土壤铵固定土壤中水溶性铵和交换性铵离子（NH4+）进入2∶1型层状铝硅酸盐黏土矿物晶层后，因晶层收缩而被压入氧离子围绕的孔穴中而不易移出的过程。
随便看	second contact second control second cosine formula second cosine theorem second cosmic velocity second countability axiom second countable space second countable topological space second Cousin problem Second creation second critical magnetic field second cultivated machinery second curvature second demographic transition second derivative second derivative test second derivative test discriminant second development second difference second differential second differential parameter second differentiator second distance second dual second dual module

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