• Locling the screw must spread enough oil, please notice all oil should not contain molybdenum bisulfide additive.

    螺钉必须足够油脂注意所有油脂不得含有二硫化钼添加剂。

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  • Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide (27.5%) as oxidant.

    二乙胺二硫化为原料,双氧水(27.5%)氧化,一步合成了四乙基秋兰姆化二硫。

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  • BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.

    活性碳吸附采集大气中的苯系物,二甲烷替代二硫化作为脱附,毛细管气相色谱分离分析

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  • The testing methods for element sulfur, hydrogen sulfide, mercaptan sulfur, bisulfide, corrosive sulfide, total active sulfur and single active sulfide were reviewed.

    原油及其馏分油元素、硫化氢、硫醇硫、二硫化物腐蚀性活性以及单体活性硫化合物的分析方法进行了综述

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  • The testing methods for element sulfur, hydrogen sulfide, mercaptan sulfur, bisulfide, corrosive sulfide, total active sulfur and single active sulfide were reviewed.

    原油及其馏分油元素、硫化氢、硫醇硫、二硫化物腐蚀性活性以及单体活性硫化合物的分析方法进行了综述

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