... electrophilic aromatic substitution 亲电芳香取代 total n-fixing activity 单株固氮活性 j lead thiocyanate 硫氰化针 ...
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单株固氮活性
Nitrogen fixation activity of individual plants
以上为机器翻译结果，长、整句建议使用 人工翻译 。
铬还使单株固氮酶活性(乙炔还原法测定)显著降低，用高浓度铬处理者克瘤固氮活性也显著降低。
Chromium treatment significantly decreased nodule Numbers, nodule fresh weight, leghemoglobin content and nitrogenase (acetylene reduction) activity per plant or per gram of nodules.
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