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- Kunming Precious Metal Catalyst Co., Ltd. 昆明贵研催化剂有限责任公司。
- Grinding metal, stainless steel, non metal, stone and concrete etc. 磨削金属、不锈钢、非金属、石材、混凝土等。
- Cutting metal, stanless steel, non metal, stone and concrete etc. 切割金属、不锈钢、非金属、石材、混凝土等。
- Selenium is a non metal similar to sulphur in its chemical properties. 在化学性质方面硒是非金属类似硫磺。
- Cutting and fluting metal, stanless steel, non metal, stone and concrete etc. 切割金属、不锈钢、非金属、石材、混凝土等。
- Non metallic part as flame path? 非金属部分作为火焰?
- Abstract: The kinds,structures and catalytic properties of polymer metal catalyst for hydrosilation were reviewed. 文摘:综述了硅氢加成反应中高分子金属催化剂的种类、结构及其催化性能。
- The kinds,structures and catalytic properties of polymer metal catalyst for hydrosilation were reviewed. 综述了硅氢加成反应中高分子金属催化剂的种类、结构及其催化性能。
- The content of Fe and Zn of the double metal catalyst for the preparation of polyether were measured by using complex titration analysis method. 研究了用配位滴定分析方法测定聚醚多元醇用双金属催化剂中锌、铁含量的方法。
- The organized mesoporous alumina synthesized from hydrolysis of organic alumina alkoxide is suitable for preparation of high-loading metal catalyst. 采用原位法,在制备催化剂载体的过程中, 将活性成分添加进去, 使得在形成介孔材料的同时将活性成分负载在载体上制备了负载镍金属有序介孔氧化铝催化剂。
- The different structures of the resultant CNFs were ascribed to the dispersion of the metal catalyst and the different growth mechanisms. 不同结构的纳米炭纤维归因于金属催化剂的不同分散性以及不同的生长机理。
- For precious metal catalyst,composite catalyst based on precious metal should be developed.The utilization rate of precious metal should be impr... 对于贵金属催化剂,应大力开发与贵金属复合的多元催化剂,提高贵金属利用率,降低贵金属负载量。
- As the interface reflection of the surface of non metal object indoors is weak, the dichromatic reflection model can be simplified, and the normalized color can be used. 可以利用室内图像中非金属目标界面反射较弱的特点,简化反射模型,使用规一化彩色,然后再作区域增长,这样分割的效果令人满意。
- Describe technical processing and characteristical of cordierite honeycomb ceramics and heavy metal catalyst,and applied range of honeycomb ceramics was discussed. 阐述了堇青石质蜂窝陶瓷及贵金属催化剂的工艺过程和特性,并探讨了蜂窝陶瓷催化剂的应用范围。
- Iron and steel. Micrographic method of determination of the non metallic inclusion content of unalloyed wire rod. 钢铁。测定非合金钢线材中非金属杂质含量的显微照相方法。
- The paper presents the concept of non metal materials outgassing characteristic time constant and discusses its use and significance.Test data and their analysis are provided in addition. 阐述了非金属材料空间出气凝结特征时间常数的概念,就时间常数的涵义做了辨析,并给出了几种非金属材料相应的实验测试数据和分析结论。
- This paper reviewed the progress in the studies on copolymerization of olefin with O|cotained polar monomers in the presence of Ziegler|Natta catalyst, metallocene catalyst and late transition metal catalyst. 综述了在齐格勒 纳塔、茂金属和后过渡金属催化体系下 ,烯烃与含氧极性功能单体共聚的研究进展
- The coagulation behavior of micro sized non metallic inclusions in molten metal processed by ultrasound was analyzed and discussed. 针对超声波作用下金属液中微小非金属夹杂物的凝聚过程进行了分析研究。
- In this paper,research work on mesopore activated carbon fiber at home and abroad is reviewed.Methods of pore size control such as activating process,metal catalyst and nonmetal add... 综述了中孔活性碳纤维的国内外研究进展,着重介绍了活化工艺法、金属催化法、非金属添加剂法等制备方法。
- Poly (propylene carbonate) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor. 摘要以二氧化碳3环氧丙烷为原材料,在双金属氰化物催化剂催化下,利用环流反应器合成聚碳酸亚丙酯多元醇。