Locling the screw must spread enough oil, please notice all oil should not contain molybdenum bisulfide additive.
锁紧螺钉必须涂上足够的油脂，注意所有油脂不得含有二硫化钼添加剂。
Tetraethyl thiuram disulfide was synthesized one step from diethylamine and carbon bisulfide with hydrogen peroxide (27.5%) as oxidant.
以二乙胺和二硫化碳为原料，经双氧水（27.5%）氧化，一步合成了四乙基秋兰姆化二硫。
BTEX in air were adsorbed by active carbon tube, replaced carbon bisulfide by dichloromethane as reagent, analyzed by using Capillary GC-FID.
用活性碳吸附管采集大气中的苯系物，二氯甲烷替代二硫化碳作为脱附剂，毛细管气相色谱分离分析。
The testing methods for element sulfur, hydrogen sulfide, mercaptan sulfur, bisulfide, corrosive sulfide, total active sulfur and single active sulfide were reviewed.
对原油及其馏分油中元素硫、硫化氢、硫醇硫、二硫化物、腐蚀性硫、总活性硫以及单体活性硫化合物的分析方法进行了综述。
The testing methods for element sulfur, hydrogen sulfide, mercaptan sulfur, bisulfide, corrosive sulfide, total active sulfur and single active sulfide were reviewed.
对原油及其馏分油中元素硫、硫化氢、硫醇硫、二硫化物、腐蚀性硫、总活性硫以及单体活性硫化合物的分析方法进行了综述。
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