搜索筛选:
搜索耗时1.8633秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
类      型:
[期刊论文] 作者:Weiwei Wang,Zhenping Qu,Lixin, 来源:能源化学:英文版 年份:2020
Copper-based catalysts for CO2 hydrogenation to methanol are supported on ZrO2 and CeO2,respectively.Reaction results at 3.0 MPa and temperatures between 200 an...
[期刊论文] 作者:Weiwei Wang,Zhenping Qu,Lixin, 来源:能源化学:英文版 年份:2020
A series of CuO/Ce1-xZrxO2 catalysts(x=0.2,0.4,0.6 and 0.8)are applied to elaborate the effect of the Zr/Ce ratio on the catalytic performance of CO2 hydrogenat...
[期刊论文] 作者:Yahua Lu,Zhenping Qin,Naixin W, 来源:中国化学工程学报:英文版 年份:2020
The wettability of the membrane surface has shown obvious influent on the separation performance of the membrane.In this work,a hydrophilic PDA-[PDDA/TiO2]+Cl-m...
[期刊论文] 作者:LIU Liu, 来源:中美英语教学:英文版 年份:2020
The three transcribed versions of the performance-style texts from the repertoires of Pu Lin,Yu Youchun,and Yang Mingkun vary in length,but share a common story...
[期刊论文] 作者:LIU Liu, 来源:中美英语教学:英文版 年份:2020
Yang Mingkun楊明坤(1949-)is proud of his performance techniques in Yangzhou storytelling(Yangzhou pinghua揚州評話).He said,“My master said I was better than hi...
[期刊论文] 作者:Weiwei Wang,Zhenping Qu,Lixin Song,Qiang Fu, 来源:能源化学 年份:2020
A series of CuO/Ce1-xZrxO2 catalysts (x =0.2,0.4,0.6 and 0.8) are applied to elaborate the effect of the Zr/Ce ratio on the catalytic performance of CO2 hydrogenation to CH3OH.The best catalytic performance is achieved with CuO/Ce0.4Zr0.6O2......
[期刊论文] 作者:Weiwei Wang,Zhenping Qu,Lixin Song,Qiang Fu, 来源:能源化学 年份:2020
Copper-based catalysts for CO2 hydrogenation to methanol are supported on ZrO2 and CeO2,respectively.Reaction results at 3.0MPa and temperatures between 200 and 300 ℃ reveal that Cu catalysts supported on ZrO2 and CeO2 exhibit better activ......
[期刊论文] 作者:Liu Hongkui,Liu Xiahui, 来源:当代社会科学(英文) 年份:2020
The new spatial agglomeration of an open economy should conform to the spatial agglomeration theory of the new economic geography and the characteristic conditi...
[期刊论文] 作者:Liu Zhenzhong,Liu Jin, 来源:当代社会科学(英文) 年份:2020
Over the past 70 years since the founding of the People’s Republic of China,great changes have been seen in the financial industry in terms of its nature,funct...
[期刊论文] 作者:Huaisheng Liu,Guangcheng Liu, 来源:教育理论综述(英文) 年份:2020
To meet the requirements of college English teaching under the new situation and enhance the ability of college students to learn the English independently,mode...
[期刊论文] 作者:Yan Liu,Xueli Liu, 来源:教育研究前沿:中英文版 年份:2020
The study conducted an empirical study to investigate how Chinese EFL learners'English syntactic proficiency regressed with time.It was indicated that:first...
[期刊论文] 作者:Yue Liu,Hua-Ping Liu, 来源:护理前沿(英文) 年份:2020
Objective:To develop nursing adverse events’reporting content of hospital.Methods:The study included two phases.The first phase was to develop the category and...
[期刊论文] 作者:Qiang LIU,Xulin LIU, 来源:亚洲农业研究:英文版 年份:2020
Rural tourism industry is a new typical tourism industry in China to promote the strategic integration and linkage development of secondary and tertiary industr...
[期刊论文] 作者:LIU Tao,LIU Yinghao, 来源:宝钢技术研究:英文版 年份:2020
The environmental issues associated with packaging materials have been attracting increasing attention.Life cycle assessment( LCA) is currently the main method...
[期刊论文] 作者:LIU Sujuan,LIU Lei, 来源:电子学报(英文) 年份:2020
We study the impacts of non-ideal filters in Modulated wideband converter (MWC).An analogfilter compensating method is presented.The limitations of the conventi...
[期刊论文] 作者:LIU Chang,LIU Haifeng, 来源:东华大学学报(英文版) 年份:2020
Relying on cheap labor cost advantage, China is locked in the low-end processing link of the global value chain and obtains a lower profit share. With the deepe...
[期刊论文] 作者:LIU Fengyi,LIU Minjuan, 来源:高等学校化学研究(英文版) 年份:2020
External electric field(EEF)has shown its advantages in tuning chemical reaction as an efficient and fea-sible-to-control tool.In this paper,we explored the mec...
[期刊论文] 作者:Liu Yanwei,Liu Zhongyong, 来源:中医杂志(英文版) 年份:2020
OBJECTIVE: To assess the effect of Jianpi Huazhuo Tiaozhi granules (JHTG) on oxidative stress damage to macrophages and explore the relationship be tween the le...
[期刊论文] 作者:LIU Qing,LIU Xiuli, 来源:系统科学与复杂性学报(英文版) 年份:2020
This paper explores the impacts of the universal two-child policy on Beijing’s population in the long term.It gives a detail estimation of Beijing population c...
[期刊论文] 作者:LIU Guohui LIU Juan, 来源:校园英语·下旬 年份:2020
【Abstract】This paper investigates the application status of English vocabulary software in college students’ English learning from the perspectives of learning purpose, and learning attitude through q...
相关搜索: