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- mesoporous La2O3 介孔La2O3
- Mesoporous molecular sieves and its applications. 中孔径分子筛及应用。
- Fig. 1 Influence of dopants on the conductivity of mesoporous alumina. 图1掺杂物对介孔氧化铝导电性的影响。
- This thesis emphasized on the preparation of mesoporous molecular sieves MSU. 中孔分子筛MSU是当今认为在稳定性方面很有发展前途的一种催化新材料。
- Hydrothermal treatment and La2O3 modification can only improve p-DEB selectivity slightly. 水热处理、La_2O_3改性对催化剂的对二乙苯选择性的提高贡献不大:硅酯改性、磷氧化物改性能较大幅度的提高催化剂的p-DEB选择性;
- The dielectric constant of SBTN ceramics decreases and the Curie temperature drops to the room temperature with increasing content of La2O3. 随着La2O3掺杂量的增加,SBTN陶瓷的介电常数下降, 同时居里温度下降到室温附近。
- Microwave ferroelectric ceramic Ba0.6Sr0.4TiO3 doped with different amount of Al2O3 and La2O3 were prepared by two different doping methods. 以掺杂不同添加量的氧化铝(Al2O3)及氧化镧(La2O3)作为改性剂,制备了以钛酸锶钡(Ba0.;6Sr0
- Synthesis of Hexagonal Mesoporous Silica by Using Mixed Surfactants Liquid- Crystal as Templates. 混合液晶模板法合成六方介孔氧化硅分子筛。
- Results show that the La2O3 and SrCO3 are transparent to 2.45 GHz microwave , whereas Co304 behaves with a strong coupling and absorbability with this waveband. . 研究表明:La2O3和SICO3是2.;45 GHz微波透明材料;而Co3O4则具有很强的微波偶合吸收能力;
- Various synthetic procedures, modification methods of mesoporous alumina and its application for acid catalysis are reviewed herein. 本文综述了介孔氧化铝合成、改性研究的历史与现状,及在酸催化过程中的应用。
- The concentrations of CTAB and TEOS affected obviously the morphology and the mesostructure of the mesoporous silica. CTAB和TEOS的浓度可以影响介孔二氧化硅的形貌和介孔结构的有序性;
- Mesoporous materials have received increasing attention for their high BET surface area and regular pore system. 中孔材料由于具有高的BET比表面积和集中的中孔分布,引起化学家的强烈兴趣。
- The mesoporous silica molecular sieves Zr-MCM-41 were synthesized in ethylenediamine. 以乙二胺为碱性介质合成了Zr-MCM-41介孔分子筛。
- The effects of true LLC template on nanoparticles,nanorods,nanowires,nanotubes and mesoporous materials were focused. 而对于真溶致液晶模板,则重点阐述了其对纳米颗粒、纳米棒、纳米线、纳米管和介孔材料的调控作用;
- The pore size of mesoporous membrane is between the reverse osmosis s and the ultrafiltration s. 纳米孔膜的过滤类似于反渗透和超滤,均属于压力驱动的膜过程,但其传质机理却有所不同。
- A novel hybrid biological-inorganic material was prepared by filling g rafted collagen in mesoporous silica structure. 利用接枝胶原与介孔二氧化硅制备一种新型生物无机杂化材料。
- In recent years, for opening up its application field, mesoporous ACF has being paid attention. 近年来,科学工作者进行了中孔型活性碳纤维的研制,以拓宽其应用领域。
- The mesoporous silica-based xerogel had been synthesized using improved sol-gel method. 本研究利用改进的溶胶-凝胶工艺合成了介孔硅基干凝胶。
- The mesoporous molecular sieves supported with ionic liquid were prepared by sol-gel method. 利用溶胶-凝胶法合成了固载离子液体的介孔分子筛。
- The addition of rare earth oxide promoters La2O3 and CeO2 into the Ni/MgO catalysts (labeled as NLM and NCM) may affect their physico-chemical properties and catalytic performance. 稀土助剂La2O3、CeO2对Ni/MgO催化剂有一定的改性效果。