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[期刊论文] 作者:Zhang Yujun,
来源:Voice Of Friendship 年份:2016
CPAFFC Delegation Attends 3rd China-Africa Mayors' Dialogue...
The Study on National Park Management System and Ecotourism Development in Russia:A Case Study of Za
[会议论文] 作者:Aiuna Radnaeva,Zhang Yujun,
来源:北京旅游学会,北京林业大学 年份:2016
National Parks are one of the most important categories of protected natural areas in Russia.National Parks include natural complexes and objects, which have unique ecological, historical, and cultura...
[期刊论文] 作者:ZHANG Yujun LIANG Yongli ZHANG,
来源:宝钢技术研究:英文版 年份:2011
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[期刊论文] 作者:ZHANG Yujun LIANG Yongli ZHANG,
来源:宝钢技术研究:英文版 年份:2011
In this study,the effects of standoff distance (SoD) on the supersonic flow fields (including gas and particle flow fields) during cold gas dynamic spraying (CG...
[期刊论文] 作者:张玉军,Zhang,Yujun,
来源:路基工程 年份:2001
介绍使用风化岩土填筑浸水路堤时,对填料粒径与级配、压实机具进行选择,控制填层厚度,并通过加强对施工全过程的质量控制与要求,是可以保证工程质量的....
Numerical simulation of the gas-solid two-phase flow inside the multi-channel nozzle for the surface
[期刊论文] 作者:ZHANG Yujun,LIANG Yongli,ZHANG,
来源:宝钢技术研究(英文版) 年份:2004
Using a gas-solid two-phase model (a discrete phase model),the authors investigated the flow field inside the multi-channel nozzle for surface nanocrystallizati...
[期刊论文] 作者:Shicui Zhang,Yujun Liang,Guang,
来源:自然科学进展(英文版) 年份:2004
Protochordate amphioxus is an extant invertebrate regarded quite recently as a basal chordate. It has a vertebrate-like body plan including a circulation system...
[期刊论文] 作者:Zhao Zhifang,Zhang Yujun,Cheng,
来源:中国地质大学学报(英文版) 年份:2008
本文通过对荣华二采区10...
[期刊论文] 作者:ZHANG Yujun,LIANG Yongli,ZHANG,
来源:宝钢技术研究 年份:2004
In this study,the distribution behavior of the particle flow field in cold gas dynamic spraying(CGDS)was simulated through the computational fluid dynamics(CFD)...
Working conditions of bipolar radiofrequency on human articular cartilage repair following thermal i
[期刊论文] 作者:Huang Yuelong,Zhang Yujun,Ding,
来源:中华医学杂志(英文版) 年份:2014
...
[期刊论文] 作者:Kai Zhang,Yujun Zhang,Kun You,,
来源:光学与光子学期刊(英文) 年份:2017
It becomes a key technology to measure the concentration of the vehicle exhaust components with the absorption spectra. But because of the overlap of gas absorp...
[期刊论文] 作者:ZHANG Yujun,YU Yan,LIANG Yongl,
来源:宝钢技术研究:英文版 年份:2019
A new unified computational method is proposed for modeling the relationship between the parameters of the high-speed particle-impact texturing process and the...
[期刊论文] 作者:ZHANG Yujun,LI Peng,HU Yuanzho,
来源:科学通报 年份:2004
Nanomanipulation plays an important role in nanofabrication, it is also a technology necessary in exploring the secrets of nanoworld, and it thus beco mesa star...
[期刊论文] 作者:ZHANG Yujun,LIANG Yongli,ZHANG Junbao,
来源:城市道桥与防洪 年份:2011
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...
Numerical simulation of the gas-solid two-phase flow inside the multi-channel nozzle for the surface
[期刊论文] 作者:ZHANG Yujun,LIANG Yongli,ZHANG Junbao,
来源:城市道桥与防洪 年份:2010
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...
Research on the dissolution behavior of cementite in the GCr15 steel surface layer induced by surfac
[期刊论文] 作者:ZHANG Junbao,WANG Aixiang,ZHANG Yujun,
来源:城市道桥与防洪 年份:2010
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...
Study on the friction and wear properties of the surface nanocrystallized 1.0C-1.5Cr steel induced b
[期刊论文] 作者:ZHANG Junbao,WANG Aixiang,ZHANG Yujun,
来源:城市道桥与防洪 年份:2010
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...
Surface morphology and mechanical properties of the nanocrystalline tensile-straightening rollers tr
[期刊论文] 作者:LIANG Yongli,ZHANG Yujun,ZHANG Junbao,
来源:城市道桥与防洪 年份:2010
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:ZHANG Yujun,YU Yan,LIANG Yongl,
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...
[会议论文] 作者:Qiu Changchun,Zhang Yujun,Zhang Bixing,
来源:CPS/SEG北京2009国际地球物理会议 年份:2009
本文依据Biot 理论,对流体饱和孔隙介质中平面P 波在套管井上的声散射问题进行了详细的理论研究和数值分析。我们首先把平面波展开为各阶柱面波的叠加,根据Biot 理论和边界条件推导出井孔内外声场的一般表达式,然后分别在硬、软地层下考察了井孔半径、入射角、孔隙......
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