In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.
由于炼油厂装置的腐蚀主要是由原油中的硫化物和酸性介质所产生。
;
,
;
;
解精制，解精炼In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.
由于炼油厂装置的腐蚀主要是由原油中的硫化物和酸性介质所产生。
In copper electrolytic refining,high quality cathode copper can be produced by adding WHN1 together with suitable amount of gelatin and sulfocarbamide.
解生产时该添加和适当的明胶、硫脲配合,可获得
品质的阴极铜。
Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.
采用精制棉经过碱化、醚化得
代度且代基均匀分布的聚阴离子纤维素产品。
The role and application of hydrofinishing to lube oil processing were described. Having Compared with clay refining, the trend of development of lube oil hydrorefining technology was given.
论述了加氢补充精制在润滑油加工过程的作用及应用,对加氢补充精制与白土精制进行对比,提出润滑油加氢技术的发展方向.
After further refining the character's starting skilly selecting features such as ancestry and career the new character is ready to begin its life in the Eve Online universe.
经过进一步改进的性质已经开始羹汤选择功能，如血统和职业的新特点是准备开始其生命中的在线前夕宇宙。
The use of which in the refining furnace showed good slagresistance and good results for decreasing carbon the oxygen content in hot steel and increasing the rate of de-sulphurization.
【英文摘要】 A synthesized magnesite-dolomite was used as starting material,some fused magnesite clinker as additives the new inorganic material as binder to produce unburned magnesite-calcia bricks.
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