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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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unstructured data management system
unstructured decision
unstructured decision making
unstructured grid
unstructured group counseling
unstructured interview
unstructured peer-to-peer systems
unstructured questionnaires
unsubsidized natural solar-powered ecosystem
unsubtracted dispersion relation
unsuitable
unsuitable value
un-Sun-like star
unsupervised classification
unsupervised learning
unsupported
unsupported-area principle
unsupported-area seal
unsuppressed sideband
unsurveyed
unswept pumping
unsymmetric
unsymmetrical
unsymmetrical dimethylhydrazine
unsymmetrical dimethylhydrazine poisoning
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