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- PREPARATION OF NANOMETER SIZED CHROMIUM OXIDE USING PRECIPITATION - AZEOTROPIC DISTILLATION METHOD 沉淀-共沸蒸馏法制备纳米级氧化铬粉体的研究
- PTFE matrix composites were fabricated using mixing nano sized powder process and vaporizing impregnant process. 采用溶剂蒸发法和固体纳米粉末混合法制备两种工艺制备了PTFE复合材料。
- There are mainly two methods to prepare nano sized titania, uch as vapor phase process and liquid phase process. 纳米钛白的制备方法大致可分为两类,即气相法和液相法,而液相法是研究的重点和热点。
- The results show that the hardness of composites fabricated with vaporizing impregnant process is much higher than that fabricated with mixing nano sized powder process. 结果表明在填料含量相同时,溶剂蒸发法制备的PTFE复合材料的硬度显著高于固体纳米粉末混合法制备的PTFE复合材料的硬度;
- The redox equilibrium between the chromium oxides in CaO-SiO 2-Al 2O 3-MgO-Na 2O-CrO x molten slags was studied by me ans of chemical equilibrium method at 1 673 and 1 773 K. 采用化学平衡法研究了 16 73和 1773K下CaO SiO2 Al2 O3 MgO Na2 O CrOx 渣系中铬氧化物间的氧化还原平衡。
- The type,reaction mechanism and application of nano sized semiconductor photocatalyst are reviewed.The improvement of photocatalyst is also discussed in brief. 对半导体光催化剂的类型、作用机理、应用及其性能改进作了综合评述。
- Compared with pure PTT, the thermal stability, crystallization and tensile performance of the PTT/MMT composites are improved due to the introduction of nano sized DK2 MMT. 与纯PTT相比,由于MMT在PTT基体中达到纳米尺寸分散,PTT/MMT复合材料的热稳定性能、结晶性能和拉伸性能都得到了明显提高。
- Arcane Magic Collection ingredients: Mica, Silica, Titanium Dioxide. May contain: Iron Oxides, Manganese Violet, Tin Oxides, Ultramarines, Ferric Ferrocyanide, Chromium Oxide. 使用材料:云母;石英;二氧化钛.;可能含有:氧化铁;锰紫;锡氧化物;深蓝;普鲁士蓝;铬氧化物
- Using nitrates and etylene diamine tetra acetic acid(EDTA) as raw materials, Nano size La 0.8 Sr 0.2 FeO 3 powder was synthesized by EDTA complexing Sol Gel method at lower temperature. 以金属硝酸盐和乙二胺四乙酸 (EDTA)为原料 ;用EDTA络合溶胶 凝胶法合成了La0 .;8Sr0
- The catalyst for this reaction is iron chromium oxide with graphite as a binder. 进行这种反应的催化剂是以石墨为粘接剂的铁铬氧化物。
- nano sized Y-type oxytitanium phthalocyanine 纳米酞菁氧钛
- Keywords slag containing chromium;chromium oxides;nonstoichiometry; 铬渣;铬氧化物;非化学计量;
- The synthesis and application of dipyridine chromium oxide and pyridinium chlorochromate was introduced,The reaction machanism of oxidation was also discussed. 我们对三氧化铬吡啶溶液中最具代表性的氧化剂三氧化铬二吡啶及三氧化铬吡啶盐酸盐的合成、应用及氧化机理作了一些探讨。
- They differ in size but not in kind. 这些东西的区别只是大小不同而实质一样。
- A man's shirt is sized by its neck. 男子的衬衫号码是按领口大小分的。
- Keywords nano size diamond;vacuum fluxing coating;tribological property; 纳米金刚石;真空熔覆涂层;摩擦学性能;
- Redox equilibrium between chromium oxides in CaO-SiO_2-Al_2O_3-MgO-Na_2O-CrO_x molten slags CaO-SiO_2-Al_2O_3-MgO-Na_2O-CrO_x炉渣中铬氧化物间的氧化还原平衡
- We sized each other up at our first meeting. 我们初次见面时相互打量了一番。
- Study on Nonstoichiometry of Chromium Oxides in CaO-SiO_2-Al_2O_3-MgO-Na_2O-CrO_x Molten Slags CaO-SiO_2-Al_2O_3-MgO-Na_2O-CrO_x炉渣中铬氧化物的非化学计量研究
- And the mid- size car have a lot more legroom. 而且中型车的腿部伸展空间较为宽敞。