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| 1 | Synthesis of zeolite membranes显示文摘Zeolite membranes offer great application potentials in membrane separation and/or reaction due to their excellent separation performance and catalytic ability. Up to present, various synthesis methods of zeolite mem- branes have been developed, including embedded method, in-situ hydrothermal synthesis method, and secondary growth method etc. Compared with the in-situ hydrothermal synthesis method, the secondary growth method possesses a variety of advantages such as easier operation, higher con- trollability in crystal orientation, microstructure and film thickness, leading to much better reproducibility. This review provides a concise summary and analysis of various synthesis methods reported in the literature. In particular, the secon- dary growth method was discussed in detail in terms of crys- tal orientation, defects and crystal grain layers. Some critical issues were also highlighted, which were conducive to the improvement in the synthesis technology of zeolite mem- branes. | JIANGHaiyang ZHANGBaoquan Y.S.Lin LIYongdan | 2004 | Chinese Science Bulletin2004,49,24: | 11 |
| 2 | 在壳聚糖改性的硅锆复合中间层上原位水热合成b轴取向silicalite-1分子筛膜显示文摘The b-oriented silicalite-1 membrane on the substrate α-Al2O3 pre-coated with a silica-zirconia intermediate layer was synthesized by using in-situ crystallization. The influence of chemical properties of the substrate surface on crystal growth and orientation was investigated. The result indicated that the surface modification by pre-coating a thin film of chitosan was conducive to the formation of b-oriented silicalite-1 membrane with good quality. | 刘秀凤 郎林 张宝泉 Y.S.LIN | 2006 | 化工学报2006,57,4: | 9 |
| 3 | 化学气相沉积法制备碳纳米管过程中NH_3对其微观结构和石墨化程度的影响显示文摘以二茂铁为催化剂前驱体,C2H2为碳源,在NH3和N2气氛中在Al2O3多孔基体上化学气相沉积制备出了一致取向的碳纳米管阵列.采用拉曼散射、扫描电子显微镜、高分辨电子显微镜、X射线衍射和元素分析等技术对产物进行表征.实验结果表明,以NH3为载气时,所制备的碳纳米管为竹节形结构,并且有一定量的N掺杂在其中,其质量含量大约在3.46%,碳纳米管的石墨层间距在0.384nm左右,实验产物中有Fe3C和Fe2N或Fe3N的生成,NH3在催化剂表面的吸附导致催化剂的表面性质的改变以及N的掺杂使生成的碳纳米管结构有一些缺陷,石墨化程度有所降低.碳纳米管的管径随着反应温度的增加而增大. | 米万良 Y.S.LIN 李永丹 张宝泉 | 2006 | 化工学报2006,57,4: | 3 |
| 4 | 多孔Al_2O_3陶瓷膜的修饰及其蒸汽分离性能的研究显示文摘采用原子层控制生长化学气相淀积方法对多孔γ -Al2 O3陶瓷膜进行缩孔修饰研究 .多孔陶瓷膜表层孔中淀积的Al2 O3大大减小了薄膜的孔径 .用缩孔修饰后的γ -Al2 O3陶瓷膜进行水蒸气分离实验 ,获得极好的分效果 ,相对湿度为 12 %时 ,水蒸气与氧气的分离系数达到 71. | 潘铭 孟广耀 Y.S.Lin | 2000 | 膜科学与技术2000,20,1: | 2 |
| 5 | Modeling of the Relationship Between Pore Size Distribution and Thickness of Ceramic MF Membrane显示文摘The pore size distribution(PSD)measured by the gas bubble point(GBP)method ofceramic microfiltration(MF)membranes prepared by suspension technique was found to be signifi-cantly influenced by the membrane thickness.A culm-like model for pore structure was introduced tocharacterize the membrane pores instead of the conventional model which does not reflect the radiusvariation along the pore passages and is unable to explain the thickness effect on the membrane PSD.A laminate structure,taking the culm-like model for pore structure into consideration,was hypoth-esized for ceramic MF membranes.A mathematical model was then established to quantitativelydescribe the relationship between the membrane number PSD and the membrane thickness.Goodresults were obtained for the correlation of mean pore size and simulation of the PSD for ceramicMF membranes. | 董军航 王沛 徐南平 时钧 Jerry Y.S.Lin | 1998 | Chinese Journal of Chemical Engineering1998,6,3: | 2 |
| 6 | MECHANICAL STRENGTH AND RELIABILITY OF SOLID CATALYSTS显示文摘The mechanical strength of solid catalysts is one of the key parameters for reliable and efficient perform-ance of a fixed bed reactor. Some recent developments and their basic mechanics within this context are reviewed. The main concepts discussed are brittle fracture which leads to the mechanical failure of the catalyst pellets, measurement and statistical properties of the catalyst strength data, and mechanical reliability of the catalyst pellets and their packed bed. The scientific basis for the issues on the catalyst mechanical properties calls yet for further elucidation and ad-vancement. | YongdanLi DongfangWu Y.S.Lin | 2004 | China Particuology2004,2,2: | 1 |
| 7 | Research on pre-synchronization control strategy of the micro-grid with multi-VSG显示文摘Seamless switching is an important guarantee for the inverter to work continuously without stopping when gridconnected power generation system is the transient process from grid-connected to isolated island and from isolated island reclosing. Based on the principle of pre-synchronous operation of traditional synchronous generators, this paper analyzes the principle of pre-synchronous process and its effect on the steady-state of micro grid with multiple virtual synchronous generators. At the same time, the paper analyzes the transient influence of the closed pre-synchronous switch on the power distribution of the micro grid under different phase modes. This paper proposes a pre-synchronous control strategy based on phase recognition. MATLAB/Simulink simulation software is used to verify the correctness and validity of the proposed method. | Tao Yan Cairan Wang Zong Liu Shaohua Xu Yu Ba Juntao Fei Jerry Y.S.Lin | 2018 | Global Energy Interconnection2018,1,3: | 1 |