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土壤全氮分析
释义
土壤全氮分析
Encyclopedia
理学
全氮分析
释
soil total nitrogen analysis
土壤全氮分析
能测定的土壤样品中氮含量的总和,包括有机氮(如蛋白质、氨基酸、核酸、尿素等)、硝态氮、亚硝态氮以及铵态氮,还包括部分联氮、偶氮和叠氮等含氮化合物的方法。
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approximation function
approximation in quadratic norm
approximation in the mean
approximation in the quadratic mean
approximation method
approximation of an equation
approximation of an operator
approximation of a solution
approximation of effective medium
approximation order
approximation polynomial
approximation problem
approximation process
approximation property
approximation scheme
approximation solvability
approximation theorem
approximation theory
approximation theory of functions
approximation to complex functions
approximation with constraints
approximation with interpolating constraints
approximation with restricted range
approximation with weight
approximative
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