1) refined soft pitch
精制软沥青
1.
Coal tar refined soft pitch was prepared from high temperature coal tar by distillation,solvent extraction,settlement and soxhlet extraction.
以高温煤焦油为原料,经蒸馏、溶剂萃取沉降制得煤精制软沥青,再经溶剂索氏法提取制备族组成;通过元素分析来分析杂原子硫的分布和热稳定性,采用IR和点位滴定法鉴别不稳定性硫基团的结构。
2) coal tar refined soft pitch
煤精制软沥青
1.
Analysis of thermal stability and distribution of nitrogen and sulfur in coal tar refined soft pitch
煤精制软沥青中氮硫的分布和热稳定性的分析
3) flux oil
软制沥青
4) refined pitch
精制沥青
1.
In a divided electrolysis cell,with spongy Pb as cathode,Pt as anode,saturate calomel elecrrode as reference electrode,electrochemical hydrogenation of a refined pitch was studied.
在隔离式电解槽中，用泡沫铅作阴极，铂作阳极，饱和甘汞电极做参考电极，对太原钢铁公司焦化厂煤沥青经溶剂萃取后所得的精制沥青进行了电化学加氢的研究，考察了电解体系和工艺条件对加氢效果的影响。
5) Coal tar refined soft pitch
煤焦油精制软沥青
1.
Distribution and Heat Stability of Nitrogen and Sulphur in Coal Tar Refined Soft Pitch
煤焦油精制软沥青中氮、硫的分布和热稳定性的分析
2.
The distribution and heat stability of nitrogen in coal tar refined soft pitch were discussed by element analysis,and unstable nitrogen was analyzed by IR.
以高温煤焦油为原料,经蒸馏、溶剂萃取沉降以制得煤焦油精制软沥青,再经溶剂索氏提取制备族组成;通过元素分析来研究杂原子氮的分布和热稳定性,通过红外光谱(IR)鉴别不稳定性氮基团的结构。
3.
Spectral Analysis of Structural of Heptane-Insoluble Toluene-Soluble from Coal Tar Refined Soft Pitch
以高温煤焦油为原料制备软化点为32℃煤焦油精制软沥青,再以庚烷、甲苯为溶剂超声萃取得庚烷不溶甲苯可溶物。
6) asphalt fluxing oil
沥青软制油
补充资料：精制
在粗制品上加工；精工制造：～品ㄧ在生橡胶里加硫磺～，就成普通的橡胶。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条