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- Both the modification techniques can reduce the acidity of NaY zeolite without any change on the structure. 结果表明,草酸和磷酸氢二铵对NaY分子筛的改性在不改变分子筛的结构的基础上可以有效地降低分子筛的酸性。
- 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 thermal and hydrothermal stability of MSU-2 increased with the increasing silica to alumina ratio,the MSU-2 has a matchable thermal stability with NaY zeolite,and a matchable hydrothermal stability with HZSM-5 (n(SiO 2)/n(Al 2O 3)=38) zeolite. 实验结果表明 ,中孔分子筛MSU -2热稳定性与NaY分子筛相当 ,水热稳定性与HZSM -5 (n(SiO2 ) /n(Al2 O3 )为 38)相当 ,随着n(SiO2 ) /n(Al2 O3 )的增大 ,MSU -2的热和水热稳定性增强 ;
- 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 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。
- 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
- Synthesis and Application of NaY Zeolite from Coal-Bearing Kaolin 由煤系高岭土合成小晶粒NaY分子筛及其应用
- In-situ synthesis of NaY zeolite with coal based clay 由煤系高岭土原位合成NaY分子筛
- Synthesis and characterization of NaY zeolite membrane NaY型分子筛膜的合成及表征
- nano sized Y-type oxytitanium phthalocyanine 纳米酞菁氧钛
- Synthesis of NaY zeolite with liquid-phase directing agent 液相导向剂法合成高硅NaY型沸石
- EXCHANGE PROCESS OF RARE EARTH ION WITH NaY ZEOLITE CAKE COLUMN 稀土离子与NaY分子筛的滤饼柱交换过程
- 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。
- Dispersion of Rare-earth Chloride in NaY Zeolite Studied by Positron Annihilation Spectroscopy 用正电子湮没谱学研究氯化稀土在NaY沸石上的分散
- Synthesis of ultrafine NaY zeolite and its catalytic properties for aromatics conversion 超微NaY分子筛的合成和催化芳烃转化性能
- 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;
- We sized each other up at our first meeting. 我们初次见面时相互打量了一番。