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- ZrO2 nanoceramics 二氧化锆纳米陶瓷
- In this paper, the fundamental principle of coprecipitation preparation for nanoceramics powder is given in detail. 本文介绍了共沉淀法制备纳米级陶瓷粉体原理,分析了微粒子晶核的形成与长大过程;
- Nanoceramics can remarkably reduce the sintering densification of ceramic materials and save energy. 纳米陶瓷材料可显著降低材料的烧结致密化程度,节约能源;
- ZrO2(Y2O3) is an important starting material for preparing structural and functional ceramics. ZrO2(Y2O3)是重要的结构陶瓷和功能陶瓷的原材料。
- The fine powder of Y2O3 stabilized ZrO2 with fec structure was. synthesized by a wet chemical method. 采用湿化学法合成了Y_2O_3稳定的立方ZrO_2微细粉料。
- For isomerization of n-hexane over mordenite, Pt/ZrO2/HM catalysts have been prepared with Platinum as active component and ZrO2 as co-catalyst. 选用铂为金属活性组分、二氧化锆为助催化剂、丝光沸石为载体制备了Pt-ZrO_2/HM异构化催化剂,以正戊烷为原料。
- Most of the interfaces between ZrO2 and Ni components in the FGM are directly connected and no interface reaction has been detected. 结果表明,组元Ni和ZrO_2,以直接结合为主,无明显界面反应。
- Our product TiO2、 ZrO2 is optical vacuum coating material. We can produce according to the standard you demand. Welcome to contact us and transact business with us! 我公司生产的二氧化钛、氧化锆产品为真空镀膜材料,纯度高,品质优,可以根据您对产品规格的具体要求来生产!我公司坚持以“质量第一,信誉至上”为经营宗旨,热忱欢迎您与我们联系洽谈业务!
- Our product ZrO2 is optical vacuum coating material.We can produce according to the standard you demand. Welcome to contact us and transact business with us! 我公司生产的二氧化锆产品为真空镀膜材料,可以根据您对产品规格的具体要求来生产!我公司坚持以“质量第一,信誉至上”为经营宗旨,热忱欢迎您与我们联系洽谈业务!
- Al2O3 ZrO2 composite membranes supported on Al2O3 hollow fiber were prepared by sol gel process from aluminium iso propoxide and zirconyl chloride as their raw materials. 以异丙醇铝和氧氯化锆为原料,用溶胶-凝胶法在Al2O3中空纤维上制备了Al2O3-ZrO2复合膜。
- ZrO2 ceramic microspheres were preparaed by gel-casting.The influences of dispersant,initiator and vacuum deairing on the property of ZrO2 ceramic slurry were studied. 采用注凝工艺制备二氧化锆陶瓷微球,测试了微球的性能,研究了分散剂、引发剂以及真空除泡等对浆料性质的影响。
- ZrO2 ceramic microspheres were preparaed by gel-casting.The influences of dispersant, initiator and vacuum deairing on the property of ZrO2 ceramic slurry were studied. 摘要采用注凝工艺制备二氧化锆陶瓷微球,测试了微球的性能,研究了分散剂、引发剂以及真空除泡等对浆料性质的影响。
- The overall results indicated that the ZrO2 treatment could effectively reduce the corrosion rate of Type 304 stainless steel in simulated BWR environments. 整体而言,实验结果验证了氧化锆被覆可以有效降低304不?钢在BWR环境的腐蚀速率。
- ZrO2 can increase the toughness of material because of the phase transformation from t-ZrO2, and acclerate crystal growth of mica with claviform together with F. 通过t-ZrO2的相变增韧,能够显著增加玻璃的韧性,并且和F离子一起促成棒状云母晶体的形成。
- Abstract: The mixtures of ZrO2 and Ce2O3 were prepared by adding 0.5 mol/L aquoues ammonia to the solution of ZrOCl2 with different content of Ce(NO3)3. 固体超强酸具有极强的酸性,它对异构化、烷基化、脱水及酯化具有很高的催化活性,同时又能克服液体酸催化剂带来的污染,是一类具有广阔应用前景的环境友好催化新材料。
- Effect of ZrO2 on the surface structure and catalytic performance of bifunction catalyst for direct synthesis of DME[J].J Mol Catal(China),2002,17(3):168-172. ZrO2对合成二甲醚双功能催化剂表面结构及催化性能的影响[J].;分子催化;2002;17(3):168-172
- Influence of addition of Al2O3 to ZrO2, on crystallization, surface area, sulfur content and superacidity of SO42-/ZrO2 and its performance in n-butane isomerization was studied. 超强酸样品的晶化、比表面、硫含量、超强酸性和正了烷异构化反应的影响。
- ZrO2 ceramic membrane was used in the work, and the average permeation flux could reach 150L/m2.h under pH value of 3, transmembrane pressure 0.1MPa, CFV 3m/s, and temperature higher than 70C. 为进一步提高肌苷得率,缩短提取工序,实验研究了絮凝剂预处理发酵液,解决碱性条件下由于蛋白析出导致膜污染加重的问题,研究表明采用CaCl_2絮凝并调节pH=11,可以获得平均渗透通量为180L/m~2h,肌苷得率大于95%25;
- The crystallization,phase transition,dehydration and desulfuration of amorphous ZrO2 impregnated by H2SO4 under various calcination temperatures were studied with XRD,TG-DTG-DTA,SEM and chemical analysis methods. 本文用XRD、TG-DTG-DTA、SEM和化学分析等多种实验手段研究了浸渍H_2SO_4的无定形ZrO_2在不同焙烧温度下的晶化和相变;失水和失硫等过程.
- The results of the water-surrounding rubbing wear experiments on the ZrO2 ceramics with various molding press indicate that the compact with a molding press of 150 MPa possesses a low wear rate and a favorable abrasive wear resistance. 对不同成型压力条件下的ZrO_2 陶瓷进行了水环境下的摩擦磨损试验,结果表明本试验条件下ZrO_2 陶瓷磨损机理为沙粒冲击形成的裂纹经扩展形成凹坑,使试样受到磨损,150MPa 压力下ZrO_2 陶瓷具有较低的磨损率,抗摩擦磨损能力好。