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[期刊论文] 作者:Feng Qiuxiang,Yuan Rong,
来源:数学物理学报(英文版) 年份:2004
In this article, a delay differential equation with piecewise constant argument is considered; the existence and global attractivity condition ofalmost periodic...
[期刊论文] 作者:By Cheng Cheng,
来源:文化交流 年份:2009
Ding Shiyuan, a 19-year-old boy, is now recognized as a genius for business promotion and show organization. His father runs a medical device company with assets of more than 10 million in Shenzhen an...
Thermodynamic properties of metamizol monohydrate in pure and binary solvents at temperatures from (
[期刊论文] 作者:Mingxia Guo,Qiuxiang Yin,Chang,
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:Qiuxiang LIU,Yuanming WANG,Qib,
来源:城市道桥与防洪 年份:2001
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:Qiuxiang LIU,Yanjuan ZHU,Guowe,
来源:城市道桥与防洪 年份:2008
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:Qiuxiang Zhu,Feifei Qin,Junfen,
来源:黑龙江科技学院学报 年份:2017
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:Cheng,
来源:ELLE世界时装之苑 年份:2021
kate spade品牌代言人宋妍霏的甜蜜日常——拥抱新角“色” 作为演员,宋妍霏的新角「色」绝不仅限于剧本,更来源于生活。打开她的微博,你会发现她时而分享“果蔬系穿搭”,时而晒出配色大胆的新潮家装。“我喜欢丰富的色彩,收集它们。”她会敏锐感知到季节的色彩,将......
The incubation period of COVID-19: a global meta-analysis of 53 studies and a Chinese observation st
[期刊论文] 作者:Cheng,
来源: 年份:2021
...
[期刊论文] 作者:QiuXiang YI,AnMing BAO,Yi LUO,,
来源:干旱区科学 年份:2004
Drought is one of the major environmental threats in the world.In recent years,the damage from droughts to the environment and economies of some countries has b...
[期刊论文] 作者:Jia Liu,Qijie Zheng,Qiuxiang M,
来源:植物学报(英文版) 年份:2004
As a major source of food, cassava (Manihot esculenta Crantz) is an important root crop in the tropics and subtropics of Africa and Latin America, and serves as...
[期刊论文] 作者:Chang Liao,Qiuxiang Tian,Feng Liu,
来源:林业研究(英文版) 年份:2021
In terrestrial ecosystems,deep soils(below 30 cm)are major organic carbon(C)pools.The labile car-bon input could alter soil organic carbon(SOC)mineraliza-tion,r...
[期刊论文] 作者:QiuXiang YI,AnMing BAO,Yi LUO,,
来源:黑龙江科技信息 年份:2012
本文通过对荣华二采区10...
[期刊论文] 作者:Cheng CHENG,Shilin YANG,
来源:数学研究及应用:英文版 年份:2018
...
[期刊论文] 作者:Cheng Xu,Wu Cheng,
来源:系统工程与电子技术:英文版 年份:2008
Motivated by the projects constrained by space capacity and resource transporting time, a project scheduling problem with capacity constraint was modeled. A hyb...
Existence of infinite non-Birkhoff periodic orbits for area-preserving monotone twist maps of cylind
[期刊论文] 作者:CHENG Wei,CHENG Chongqing,
来源:黑龙江科技学院学报 年份:2000
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...
Existence of infinite non-Birkhoff periodic orbits for area-preserving monotone twist maps of cylind
[期刊论文] 作者:CHENG Wei,CHENG Chongqing,
来源:中国科学A辑(英文版) 年份:2004
The exact monotone twist map of infinite cylinders in the Birkhoff region of instability is studied. A variational method based on Aubry-Mather theory is used t...
[期刊论文] 作者:By Wei Hao, Cheng Cheng,
来源:China’s foreign Trade 年份:2011
2012 will see the 40th anniversary since Sino-German established diplomatic relations. At this historic moment, it is mean- ingful to analyze the status of German foreign trade and Sino-German economi...
[学位论文] 作者:李青青(Lee Cheng Cheng),,
来源:山东中医药大学 年份:2015
目的:探讨肺主宣降理论与咳嗽病辨证治疗的相关性。方法:运用文献研究和临床流行病学调查相结合的方法。1.文献研究:通过梳理历代文献,寻找肺主宣降、咳嗽病的发病及辨证论治...
[期刊论文] 作者:Huimin He,Yangchun Cheng,Cheng,
来源:华北电力技术 年份:2013
Electric power transformers are the main apparatus of electric power system.The safety of power transformer concerns the energy safety of a country.It is very i...
[期刊论文] 作者:Cheng Cheng,Chong Wang,Xiaobin,
来源:城市道桥与防洪 年份:2019
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...
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