3.50 硫化物硫(sulphide sulfur) 煤中以各种金属硫化物形态存在的硫。 3.51 硫酸盐硫(sulphate sulfur) 煤中以硫酸盐形态存在的硫。
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Refers to the sulfur content of sulfur in crude oil (sulphide or elemental sulfur) of the percentage.
含硫量是指原油中所含硫（硫化物或单质硫分）的百分数。
The removed sulphide almost was converted to element sulfur and the sulfate production was less than 10% by changing the oxygen concentration.
通过控制溶解氧的浓度，去除的硫化物几乎全部转化为单质硫，硫酸盐的生成率小于10%。
Iron-sulfur centers, which may consist of two or four iron atoms complexed with an equal number of sulphide ions, mediate 1-electron transfer reaction.
铁硫中心，这可能由两个或四个铁原子与硫离子的数目相等的复合物，介导电子转移反应。
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