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[会议论文] 作者：Li Fengyan,
来源：第八届工业与应用数学国际大会 年份：2015
Motivated by the developments of the numerical divergence-free treatments for ideal magnetohydrodynamics(MHD)equations,we analyze an exactly divergence-free...
[会议论文] 作者：Li Fengyan,
来源：第八届工业与应用数学国际大会 年份：2015
I would like to share some aspects from my own academic experiences,such as holding positive attitudes,the importance of communication and building supporti...
[会议论文] 作者：Li Fengyan,Cheng Juan,
来源：第八届工业与应用数学国际大会 年份：2015
This mini-symposium aims at bringing women mathematicians to share recent progress and to inspire new ideas in applied mathematics....
[期刊论文] 作者：Zhang Lingling,Li Fengyan,Zhao,
来源：中国炼油与石油化工：英文版 年份：2007
一种层次沸石催化剂被热水的方法综合。X 光检查衍射(XRD ) 和氮吸附解吸附作用方法被用来学习阶段和准备催化剂的孔结构。在样品上吸附的 pyridine 的 Infrared (红外) 系列...
[期刊论文] 作者：Zhang Lingling,Li Fengyan,Zhao,
来源：中国炼油与石油化工（英文版） 年份：2004
A kind of hierarchical zeolite catalyst was synthesized by hydrothermal method.X-ray diffraction (XRD)and nitrogen adsorption-desorption method were used to stu...
[期刊论文] 作者：Dai Danghui,Li Fengyan,Zhao Ti,
来源：中国炼油与石油化工：英文版 年份：2012
The paraffin wax microemulsion was prepared from fully refined paraffin wax No.58-60 in the presence of a nonionic surfactant and an anionic surfactant.The infl...
[期刊论文] 作者：Dai Danghui,Li Fengyan,Zhao Ti,
来源：中国炼油与石油化工（英文版） 年份：2004
The paraffin wax microemulsion was prepared from fully refined paraffin wax No.58-60 in the presence of a nonionic surfactant and an anionic surfactant.The infl...
[期刊论文] 作者：Li Fengyan,Zhu Wenli,Zhao Tian,
来源：中国炼油与石油化工：英文版 年份：2011
有 60 稳固的内容的硅酮油乳剂被准备，甲基硅酮油借助于对硅酮油乳剂的微滴直径的乳化条件的 emulsifier-in-oil method.The 影响用作主要材料，包括 emulsifier 的数量是试验...
[期刊论文] 作者：Li Fengyan,Yang Yajun,Dai Dang,
来源：中国炼油与石油化工：英文版 年份：2013
The modified petroleum resin emulsion prepared from the C9petroleum resin was modified with maleic anhydride.The effects of maleic rosin and maleic anhydride ad...
[期刊论文] 作者：Li Fengyan,Yang Yajun,Dai Danghui,Yuan Yadong,
来源：中国炼油与石油化工（英文版） 年份：2013
The modiifed petroleum resin emulsion prepared from the C9 petroleum resin was modiifed with maleic anhy-dride. The effects of maleic rosin and maleic anhydride...
Study on Preparation of Waterproofing Agent for Mineral Wool Board from Modified C_9 Petroleum Resin
[期刊论文] 作者：Li Fengyan,Yang Yajun,Dai Danghui,Yuan Yadong,,
来源：China Petroleum Processing & Petrochemical Technology 年份：2013
The modified petroleum resin emulsion prepared from the C9petroleum resin was modified with maleic anhydride.The effects of maleic rosin and maleic anhydride ad...
[会议论文] 作者：Cheng Yingda,Li Fengyan,Chou Ching-Shan,Xing Yulong,
来源：第八届工业与应用数学国际大会 年份：2015
Simulating wave propagation is one of the fundamental problems in scientific computing....
Hydrothermal Synthesis and Mechanism for Formation of Novel Micro-Micro-Mesoporous Aluminosilicate C
[期刊论文] 作者：QiJian,Zhao Tianbo,Xu Xin,Li Fengyan,Sun Guida,
来源：中国炼油与石油化工（英文版） 年份：2010
A novel micro-micro-mesoporous aluminosilicate LS-BFMZ(low-silica-BEA(beta)-faujasite(Y)-mesoporous)composite zeolite with the MCM-41 type structure was synthes...
[期刊论文] 作者：Tong Yangchuan,Zhao Tianbo,Li Fengyan,Zong Baoning,Wang Yue,
来源：中国炼油与石油化工（英文版） 年份：2006
A new route to synthesize ZSM-5 monoliths with hierarchical pore structure has been referred to in this stud y. The successful incorporation of the macropores a...
Physicochemical Properties and Catalytic Performance of a Novel Aluminosilicate Composite Zeolite fo
[期刊论文] 作者：Qi Jian,Zhao Tianbo,Xu Xin,Li Fengyan,Sun Guida,
来源：中国炼油与石油化工（英文版） 年份：2010
A novel micro-micro/mesoporous aluminosilicate ZSM-5-Y/MCM-41 composite molecular sieve with a MCM-41 type structure was synthesized through a novel process of...
Synthesis of Waterborne Polyurethane Modiifed by Nano-SiO2 Silicone and Properties of the WPU Coated
[期刊论文] 作者：Li Yang,Zhao Tianbo,Qu Xiaoling,Ding Hongjing,Li Fengyan,
来源：中国炼油与石油化工（英文版） 年份：2015
A series of nano silica/silicone modiifed waterbe polyurethane (WPU) have been synthesized from polytet-ramethylene glycol and isophorone diisocyanate, dihydrox...
[期刊论文] 作者：李凤艳,赵天波,孙桂大,李翠清,LI Fengyan,ZHA,
来源：催化学报 年份：2003
Hydrofining catalysts contain Mn-Ni, Ni-Mo, Ni-W, Co-Mo, Mo, W, Ni, Co, etc and many studies of these catalysts are concerned with the addition of phosphorus or...
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