Residual heavy metal, nitrate and nitrite don t exceed national standard.
重金属 、 硝酸盐、亚硝酸盐含量均未超过国家标准.
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D . To use nitrate as electron acceptor in the electron transport chain during respiration.
利用硝酸盐作为呼吸作用中,电子传递链之电子接受者.
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The rules of nitrate accumulation in Dian lake drainage area in intensive cultivation are studied.
研究了滇池流域集约化地区设施条件下氮磷化肥对土壤硝酸盐的累积规律.
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It indicates that lead nitrate and nickel chloride have obvious reproductive toxicity.
提示,硝酸铅、氯化镍有明显的生殖毒性.
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To use nitrate as electron donor in the electron transport chain during chemosynthesis.
利用硝酸盐作为化学合成作用中,电子传递链之电子提供者.
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Cellulose ether nitrate as novel energetic adhesive for solid propellant was synthesized.
以棉纤维为原料,合成了一种新型推进剂用含能黏合剂纤维素醚硝酸酯.
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However, remained organic matter was not enough for the denitrification of nitrogen nitrate.
然而, 有机物过早消耗对硝化后产生的硝酸氮再行反硝化作用不利.
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对硝酸钾电解质溶液进行了分子动力学计算机模拟研究.
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同时用硝酸还原酶法测定肺动脉组织一氧化氮 ( NO ) 含量.
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介绍了一种络合物起爆药——硝酸肼镍的制备原理 、 合成方法,通过实验确定了最佳工艺条件.
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Weekly testing for ammonia, nitrite, nitrate, turbidity, iodide, and strontium.
每周测试氨氮, 亚硝酸盐, 硝酸盐氮, 浊度, 碘, 锶.
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检测项目包括有机磷 、 有机氯 、 菊酯、三氯杀螨醇 、 硝酸盐和重金属铅.
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High levels of nitrate occur in eastern England because of the heavy use of fertilizers.
英格兰东部因大量使用化肥导致土壤硝酸盐浓度过高。
《柯林斯高阶英汉双解学习词典》
两年的试验结果表明,深色晾烟采收晾制后,体内硝酸还原 酶 活性剧烈下降.
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The contents of zinc nitrate and zinc dihydrogen phosphate thus could be obtained.
按理论方法分别求得磷酸、磷酸二氢锌、硝酸锌的含量.
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