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[期刊论文] 作者：HE Dong-lin,LI Yu-yan,
来源：数学季刊:英文版 年份：2020
In this paper, we introduce the definition of n-star subcategories, which is a generalization of n-star modules and n-C-star modules. We give some characterizat...
[期刊论文] 作者：HE Dong-lin,LI Yu-yan,
来源：黑龙江科技学院学报 年份：2019
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：HE Dong-lin,LI Yu-yan,
来源：数学季刊（英文版） 年份：2020
In this paper,we introduce the definition of n-star subcategories,which is a generalization of n-star modules and n-C-star modules.We give some characterization...
[期刊论文] 作者：HE Dong-lin,LI Yu-yan,
来源：数学季刊:英文版 年份：2021
Let R be an associative ring with identity,and Y be a class of right R-modules,which contains all injective right R-modules.In this paper,we introduce the definition of Y-Gorenstein cotorsion modules,which is a generalization of cotorsion a......
[期刊论文] 作者：HE Dong-lin,LI Yu-yan,
来源：数学季刊（英文版） 年份：2021
Let R be an associative ring with identity,and y be a class of right R-modules,which contains all injective right R-modules.In this paper,we introduce the definition of y-Gorenstein cotorsion modules,which is a generalization of cotorsion a......
[期刊论文] 作者：LI Yu-yan,LI Jing,YUAN Chun,
来源：美中外语 年份：2007
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[期刊论文] 作者：LI Yu-yan,YOU Qi-dong,WANG Lei,
来源：高等学校化学研究：英文版 年份：2006
...
[期刊论文] 作者：LI Yu-yan,CHEN Yong,XU Hui-che,
来源：中华医学杂志（英文版） 年份：2004
Massive presacral venous hemorrhage is a non-pulsatile hemorrhage due to the rupture of either the presacral venous plexus or the sacral vertebral basivertebral...
[期刊论文] 作者：LI Yu-yan,YOU Qi-dong,WANG Lei,
来源：高等学校化学研究（英文版） 年份：2004
To improve the biological anticancer activity of 20(S)-camptothecin, a novel class of 20(S)-20-O-camptothecin β-aminopropionates were designed and synthesized...
[期刊论文] 作者：LI Yu-yan,ZHENG Guang,LIU Liang,
来源：中国结合医学杂志（英文版） 年份：2019
Objective:To decipher the possible mechanisms of Sinomenium Acutum (SA) in treating diseases by a bioinformatics method.Methods:SA ingredients were searched according to Chinese Pharmacopoeia,Chinese Medicine Dictionary and Traditional Chin......
[期刊论文] 作者：Jun-qing WU,Bin-yi LIU,Wen-ying LI,Yu-yan LI,Zong-min JIANG,
来源：城市道桥与防洪 年份：2007
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：Wei-hua Liu,Tian-shu Wang,Ying-min Li,Yu-yan Ren,Wen-hui Huo,,
来源：China Foundry 年份：2016
A new casting binder was prepared based on an animal bone glue. In order to overcome the disadvantages of the animal glue agglomeration at room temperature, an...
[会议论文] 作者：Zhang,Lei,Sun,Lin,Li,Yu-Yan,Liu,Yue,Yang,Yong-Xin,Yuan,Rui,Wang,Pei,Da,Chao-Shan,
来源：中国化学会第八届有机化学学术会议暨首届重庆有机化学国际研讨会 年份：2013
...
The neuroprotection of limb ischemic preconditioning in global cerebral ischemia rats and its neurog
[会议论文] 作者：Shu-Qin LI,Wen-Bin LI,Yu-Yan HU,Min ZHANG,Xiao-Cai SUN,Xiao-Hui XIAN,Jie QI,Qing-Jun LI,
来源：中国神经科学学会第九届全国学术会议暨第五届会员代表大会 年份：2011
Objective Emerging evidence suggests that limb ischemic preconditioning (LIP) could protect neurons against cerebral ischemia-reperfusion injury.However, the mechanisms of LIP are not well understood....
[期刊论文] 作者：Xin-qi WANG,Xu LI,Yu-yan YANG,Lin FAN,Xu HAN,Li LI,Hang LIU,Tan-xi GE,Li-qin SU,Xian-liang WANG,Yuan-duo,
来源：当代医学科学(英文) 年份：2021
Polycyclic aromatic hydrocarbons(PAHs)in indoor dust are one of the common exposure sources for children worldwide.The aim of this study is to explore PAHs poll...
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