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搜索耗时4.5186秒,为你在为你在102,285,761篇论文里面共找到 27 篇相符的论文内容
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[期刊论文] 作者:CHANG Yuan,, 来源:Ecological Economy 年份:2017
Based on time series data of RMB exchange rate and urban-rural income, this paper makes an empirical study for the influence of RMB exchange rate fluctuation on...
[期刊论文] 作者:Chang Yuan,ChengSong Yang,Lian, 来源:寒旱区科学:英文版 年份:2014
Herein we review research on the structure of the frozen fringe and one of its key characteristics(unfrozen water content),and compare its current measurement m...
[期刊论文] 作者:Chang Yuan,FuJun Niu,QiHao Yu,, 来源:寒旱区科学:英文版 年份:2015
The Haerbin-Dalian Passenger Dedicated Line is the first high-speed railway constructed in the seasonally frozen ground regions of northeastern China. Frost hea...
[期刊论文] 作者:Chang Yuan,ChengSong Yang,LianHai Zhang,, 来源:Sciences in Cold and Arid Regions 年份:2014
Herein we review research on the structure of the frozen fringe and one of its key characteristics(unfrozen water content),and compare its current measurement methods,including pulsed nuclear magnetic...
[期刊论文] 作者:SHEN WangBing,LIU Chang,YUAN Y, 来源:中国科学:生命科学英文版 年份:2013
Insight problem solving is characterized by mental impasses,states of mind in which the problem solver does not know what to do next.Although many studies have...
[期刊论文] 作者:LU HongHua,CHANG Yuan,WANG Wei, 来源:中国科学:地球科学英文版 年份:2013
Combined apatite fission track(AFT)and(U-Th)/He(AHe)thermochronometries can be of great value for investigating the history of exhumation of orogenic belts.We e...
[期刊论文] 作者:SHEN WangBing,LIU Chang,YUAN Yua, 来源:Science China(Life Sciences) 年份:2020
[期刊论文] 作者:CHANG Yuan,DONG Qi,LI Xi-tao,N, 来源:地下水科学与工程:英文版 年份:2015
In recent years, the frequency of geological disasters gradually increases in the gully region of the Loess Plateaus centred with Yanhe River Basin. The researc...
[期刊论文] 作者:Chang Yuan HU Feng Yi LI Rong, 来源:中国化学快报:英文版 年份:2006
一致的嘴非结晶的合金大约 14 nm 在 CNTs-Asupport 上被准备了,有 Ni-B/CNTs 非结晶的催化剂的命名 Ni-B/CNTs-A.In 比较, Ni-B/CNTs-A 更高显示出镍装载,在乙炔加氢反应由 ICP...
[期刊论文] 作者:Chang Yuan Yu Li Na Song Guang, 来源:中国化学快报:英文版 年份:2009
二新 prenylflavonoids,命名 sutchuenmedin A (1 ) 和 sutchuenmedin B (2 ) ,从 Epimedium sutchuenense 的 70% EtOH 摘录被孤立。他们的结构被决定从光谱分析。...
[期刊论文] 作者:Yu,Fen,CHANG,Yuan,Bo,LIN,等, 来源:中国化学快报:英文版 年份:2003
An easy preparation of controlled alumina nanoparticles by the solution precipitate method has been carried out using dendrimer as surfactant. The effects of th...
[期刊论文] 作者:Chang Yuan HU,Feng Yi LI,Rong, 来源:黑龙江科技学院学报 年份:2006
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Chang Yuan Yu,Li Na Song,Guang, 来源:黑龙江科技学院学报 年份:2009
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:CHANG Yuan,DONG Qi,LI Xi-tao,NI Wen-juan,, 来源:Journal of Groundwater Science and Engineering 年份:2015
In recent years, the frequency of geological disasters gradually increases in the gully region of the Loess Plateaus centred with Yanhe River Basin. The researc...
[期刊论文] 作者:Lü HongHua,CHANG Yuan,WANG Wei,ZHOU ZuYi,, 来源:Science China(Earth Sciences) 年份:2013
Combined apatite fission track(AFT)and(U-Th)/He(AHe)thermochronometries can be of great value for investigating the history of exhumation of orogenic belts.We e...
[期刊论文] 作者:WU Xin-yi,YANG Yong-mei,GUO Hui,CHANG Yuan, 来源:中华医学杂志英文版 年份:2006
[期刊论文] 作者:Qiaowan CHANG,Yuan XU,Shangqian ZHU,Fei XIAO,Minhua SHAO, 来源:城市道桥与防洪 年份:2017
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:SHEN WangBing,LIU Chang,YUAN Yuan,ZHANG XiaoJiang,LUO Jin,, 来源:Science China(Life Sciences) 年份:2013
Insight problem solving is characterized by mental impasses,states of mind in which the problem solver does not know what to do next.Although many studies have...
[会议论文] 作者:Li-Ping Chang,Cong-Cong Chang,Yuan Chang,Yu-Xia Wang,Chao-Jie Wang, 来源:河南省化学会2016年学术年会 年份:2016
  1,4,5,8-naphthalentetracarboxylic diimide derivatives have got general concern as a fluorescent dye and DNA intercalators and which showed the ability to in...
[会议论文] 作者:Yuqiang Chang,Yuan Wang,Chuanxi Wang,Jie Yu,Jian-Ping Zhang, 来源:第十五届全国化学动力学会议 年份:2017
  The ultrafast photocarrier generation process of Y-form titanyl-phthalocyanine(Y-TiOPc)films was investigated by femtosecond transient absorption spectrosco...
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