1.
Effect of Different Supports and Promoters on Performance of Nitride Tungsten Catalyst;
载体和助剂对氮化钨催化剂性能的影响
2.
Tungsten powder and tungsten carbide powder--Determination of specific surface product (average graininess--Simplified nitrogen absorption method
GB/T2596-1981钨粉、碳化钨粉比表面积(平均粒度)测定简化氮吸附法
3.
Study on the Hydrodesulfurization and Hydrodenitrogenation Activities of Supported Tungsten Phosphide Catalysts;
负载型磷化钨催化剂加氢脱硫脱氮性能研究
4.
Hydrodenitrogenation Performance of Carbazole for Tungsten Phosphide Catalysts Containing Vanadium
钒掺杂的磷化钨催化剂咔唑加氢脱氮性能
5.
The Study of Hydrodesulfurization Hydrodenitrogenation and Olefins Reducing for Supported Tungsten Phosphide Catalysts;
负载型磷化钨催化剂加氢脱硫脱氮及降烯烃性能研究
6.
Methods for chemical analysis of tungsten--The ortho-phenanthroline photometric method for the determination iron content
GB/T4324.6-1984钨化学分析方法邻二氮杂菲光度法测定铁量
7.
Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content
GB/T4324.26-1984钨化学分析方法奈氏试剂光度法测定氮量
8.
Synthesis of the macroligand-tungsten complexes of containing nitrogen and silicon and their catalysis behavior for dicyclopentadiene polymerization
含氮和硅的大位阻钨类配合物的合成及催化双环戊二烯聚合研究
9.
nitrided niobium-titanium-tungsten alloy
氧化铌--钛--钨合金
10.
Methods for chemical analysis of tungsten concentrates--The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content
GB/T6150.1-1985钨精矿化学分析方法钨酸铵灼烧法测定三氧化钨量
11.
The tungsten does not easily melt or break.
钨丝不容易熔化或折断。
12.
sintered tungsten carbide compact bit
镶碳化钨硬合金齿钻头
13.
Cast tungsten carbide
GB/T2967-1989铸造碳化钨
14.
The Synthesis and Characterization of Mesoporous Tungsten Oxide and Tungsten Sulfide Materials;
介孔氧化钨和硫化钨材料的合成与表征
15.
On the Recovery of Tungsten and Molybdenum out of Acid Leaching Solution by Ion-exchange
离子交换法回收高钼钨中矿化选液中的钨钼
16.
Hydroisomerization Properties of Platinum-like Tungsten Carbide Catalyst
碳化钨类铂催化剂的临氢异构化性能
17.
Preparations and Investigations of Low-dimensional Nanostructured Tungsten Oxide and Tungsten Disulfide
低维纳米结构氧化钨和二硫化钨的制备及结构研究
18.
Accelerate the R& D of Tungsten-contained Catalyst to Develop Tungsten Deep-processing Chemical Industry
加大含钨催化剂研发力度 发展钨深加工化学品产业