1) iron based non-chromium and non-sulfur catalyst
无硫无铬型
2) non sulfur & non chromium
无硫无铬
3) chromium free
无铬型
1.
A sulfur free and chromium free catalyst for high temperature water gas shift reaction, with γ Fe 2O 3 as the high activity crystalline phase, was prepared by liquor synthesis technology and was characterized by X ray diffraction and Mssbouer spectroscopy.
采用湿法合成技术制备以γ- Fe2 O3为主体的无硫无铬型水煤气变换催化剂 ,并用X射线粉末衍射及 Mossbouer谱对制备出的催化剂进行表征 。
4) sulfur free
无硫型
5) chromium-free
无铬
1.
Research & Performance Evaluation of Low Bulk Density Chromium-free Fe-series CO High Temperature Shift Catalyst;
低密度无铬铁系一氧化碳高温变换催化剂研制
2.
Study on pretreatments for chromium-free chemical conversion of AZ91D magnesium alloy;
AZ91D镁合金无铬化学转化前处理工艺研究
3.
SIMOXIDE chromium-free chemical conversion process for magnesium alloys;
SIMOXIDE镁合金无铬化学转化工艺
6) chromate-free
无铬
1.
A conversion coating formed on magnesium alloy AM60 with a chromate-free bath mainly composed of silicate and tungstate is studied.
研究了以硅酸盐和钨酸盐为主的无铬化学处理液在镁合金上所形成的转化膜。
2.
The aluminium chromate-free phosphating has been used abroad, but it is used lessly in domestic and the rel.
铝材无铬磷化在国外已有使用,但国内厂家应用很少且国内对高性能无铬磷化的研究也鲜见报道。
补充资料：5-硫基-3-苯基-2-硫-1,3,4-硫代二唑,钾盐
CAS: 17654-88-5
分子式: C8H6N2S3
中文名称: 铋试剂II；3-苯基-1,3,4-噻二唑亚基-2,5-二硫酮；5-硫基-3-苯基-2-硫-1,3,4-硫代二唑,钾盐；铋试剂 II
英文名称: BismuthiolII；5-Mercapto-3-phenyl-2-thio-1,3,4-thiodiazole, potassium salt；4-thiadiazole-2-thione, 5-mercapto-3-phenyl-2h-3；4-thiadiazolidine-2,5-dithione, 3-phenyl-3；3-phenylbismuthol；5-mercapto-3-phenyl-2h-1,3,4-thiadiazole-2-thione；3,4-Thiadiazolidine-2,5-dithione, 3-phenyl-1
分子式: C8H6N2S3
中文名称: 铋试剂II；3-苯基-1,3,4-噻二唑亚基-2,5-二硫酮；5-硫基-3-苯基-2-硫-1,3,4-硫代二唑,钾盐；铋试剂 II
英文名称: BismuthiolII；5-Mercapto-3-phenyl-2-thio-1,3,4-thiodiazole, potassium salt；4-thiadiazole-2-thione, 5-mercapto-3-phenyl-2h-3；4-thiadiazolidine-2,5-dithione, 3-phenyl-3；3-phenylbismuthol；5-mercapto-3-phenyl-2h-1,3,4-thiadiazole-2-thione；3,4-Thiadiazolidine-2,5-dithione, 3-phenyl-1
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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