In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.
由于
油
装置
腐蚀主要是由原油中硫化物和酸性介质所产生。
;
展中
;,扩大;油油；石油加工炉油设备
细化；晶纯化In the environment of oil refining plant, corrosion is caused mainly by sulfid and acidity medium.
由于油装置腐蚀主要是由原油中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.
电解生产时该添加和适当
、硫脲配合,可获得高品质阴极铜。
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、醚化得到高取代度且取代基均匀分布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
展方向.
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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