Unless leaching occurs, nitrogen should not be applied after lay-by.
除非发生淋洗, 氮肥不应在烟草田间作业结束后再施用.
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The research includes technological mineralogy, leaching principles, methods, measures and effects.
内容包括工艺矿物学研究 、 浸出原理 、 浸出方法 、 浸出措施及效果.
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Through bacterial oxidation, the gold leaching rate comes from 53.4 % to 92 %.
通过细菌预氧化 、 金的浸出率从534%提高到92%以上.
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The deep oxidation and groundwater leaching solubilizes much of the loosely bound uranium.
深部氧化和地下水淋蚀使大部分固定得比较松散的铀溶解.
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Thecontent of NO _ 3-N was determined by leaching simulation experiment in laboratory.
室内模拟试验采用淋洗法,测定淋洗液中的硝态氮含量.
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Sulfuric acid leaching technology of a nickeliferous spent material was studied.
研究了含镍废料的酸浸工艺.
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Conclusion Clinical case teaching is superior to conventional methods in Paediatrics leaching.
结论与传统教学方法相比,序贯病案教学更加着重培养学生临床思维能力和分析问题、决问题的能力.
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Besides, activating bentonite by acid leaching and microwave has also been investigated.
另外, 对膨润土的酸浸和微波活化做了相关研究.
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The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.
缺少腐殖质和过度淋滤使这种土壤对农业几乎无用.
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Leaching gold from ore by the bromination method is a new method in stead of cyanide process.
用溴化法浸取金矿中的金是一种较新的非氰化浸金方法。
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Study on cuprous ion catalytic REDUCTION-AMMONIACAL leaching kinetics of Ocean Polymetallic Nodules
大洋多金属结核亚铜离子催化还原氨浸动力学
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Pretreatment of off-grade copper-gold concentrates using cupric chloride leaching
氯化铜浸出法预处理低品位铜金精矿
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