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Microstructural Evolution and Toughness in the HAZ of Submerged Arc Welded Low Welding Crack Susceptibility Steel被引量：1
《Acta Metallurgica Sinica(English Letters)》2013年第1期49-55,共7页Chunlin QIU Liangyun LAN Dewen ZHAO Xiuhua GAO Linxiu DU 
supported by the National Natural Science Foundation of China (No. 51074052);the Fundamental Research Funds for the Central Universities(No. N100607001)
Microstructural characteristics of different sub-regions of heat affected zone （HAZ） of low welding crack susceptibility steel weldment were investigated by using optical microscopy and scanning electron microscopy ...
关键词：STEEL Heat affected zone （HAZ） Submerged arc welding Effective grain size TOUGHNESS Microstructure 
Experimental Study of the Effects of Submerged Dikes on the Energy and Momentum Coefficients in Compound Channel
《Engineering（科研）》2010年第11期855-862,共8页Alireza Keshavarzi Mehdi Valizadeh James Ball 
This paper aims to understand the flow structure around submerged dike in the main channel and flood plain of a compound cross section. The study undertaken to develop this understanding was carried out in a laborator...
关键词：SUBMERGED VANE Flow Structure Compound Channel Velocity Meter (Micro-ADV) 
三峡水库蓄水对消落带土壤Cu、Zn、Cr、Cd含量的影响被引量：9
《自然资源学报》2018年第7期1283-1290,共8页杨丹 谢宗强 樊大勇 熊高明 张爱英 
中国科学院西部行动计划项目(KZCX2-XB3-09)~~
为揭示水位涨落形成系列淹水梯度对消落带土壤重金属含量的影响,论文采集三峡水库忠县消落带土壤,分析了不同淹水深度土壤Cu、Zn、Cr、Cd含量,并探讨了这些重金属元素物质来源及其与三峡水库水位涨落关系。结果表明:1)不同淹水深度下消...
关键词：因子分析-多元线性回归 地球化学行为 淹水 水位调度 
Analysis on clogging of submerged entry nozzle in continuous casting of high strength steel with rare earth被引量：3
《Journal of Iron and Steel Research International》2022年第1期34-43,共10页Wei Liang Jing Li Bin Lu Jian-guo Zhi Shuai Zhang Yang Liu 
the financial support of the Natural Science Foundation of Inner Mongolia Autonomous Region of China(No.2020MS0517);Science and Technology Project of Inner Mongolia Autonomous Region of China(No.2020GG0109).
The type of inclusions in tundish steel and the formation mechanism of the submerged entry nozzle(SEN)clogging in the continuous casting of the rare earth(RE)high strength steel without calcium treatment were studied ...
关键词：Rare earth inclusion TUNDISH Submerged entry nozzle CLOGGING Thermodynamic calculation 
Temporal Evolution of Scour at Submerged Circular Cylinders被引量：1
《Journal of Marine Science and Application》2021年第1期85-101,共17页Abhijit Rout Arindam Sarkar 
This study is funded by the Department of Science and Technology,Government of India(Grant No:SR/S3/MERC/0029)。
Temporal evolutions of scour at submerged circular cylinders were investigated.Flow visualization was carried out around the cylinders over plane,under developed and equilibrium scour holes.Video analysis technique wa...
关键词：SCOUR TANDEM Skewed Submerged cylinder SEDIMENT Time variation 
浸没式超滤膜过滤器内流场的数值模拟被引量：10
《三峡大学学报（自然科学版）》2010年第3期14-17,共4页李金 王泽 
"国家水专项"资助(20080ZX07422-005)
利用计算流体动力学(CFD)方法对浸没式超滤膜过滤器内的流场进行数值模拟,通过计算得到过滤器内流体速度场,压力场和紊流强度的分布情况,并针对膜组件放置位置不同,对3种方案进行分析比较.结果表明,在过滤器后端壁面处会形成回流区,影...
关键词：浸没式 超滤膜 过滤器 计算流体力学 数值模拟 
Twenty-first century climate change and submerged aquatic vegetation in a temperate estuary:the case of Chesapeake Bay
《Ecosystem Health and Sustainability》2017年第7期14-34,共21页Thomas M.Arnold Richard C.Zimmerman Katharina A.M.Engelhardt J.Court Stevenson 
This review was adapted from the author’s contributions to the Chesapeake Bay Submerged Aquatic Vegetation(SAV)Habitat Requirements and Restoration Targets:A Third Technical Synthesis funded by the U.S.Environmental Protection Agency through a Chesapeake Bay Implementation Grant authorized by section 117 of the Clean Water Act.The authors acknowledge the assistance of Brooke Laundry(MDDNR)and numerous members of the technical synthesis workgroup(2014-2017).
Introduction:The Chesapeake Bay was once renowned for expansive meadows of submerged aquatic vegetation(SAV).However,only 10%of the original meadows survive.Future restoration effortswill be complicated by acceleratin...
关键词：Submerged aquatic vegetation CLIMATE temperature coastal acidification Chesapeake Bay 
A random walk simulation of scalar mixing in flows through submerged vegetations被引量：12
《Journal of Hydrodynamics》2014年第3期343-350,共8页梁东方 WU Xuefei 
supported by the Non-profit Industry Financial Program of the Ministry of Water Resources (Grant No. 201401027);the China Scholarship Council
The scalar transport phenomena in vertical two-dimensional flows are studied using the random walk method. The established Lagrangian model is first applied to study the idealized longitudinal dispersion in open chann...
关键词：random walk longitudinal dispersion submerged vegetations scalar mixing 
Numerical Analysis and Experimental Validation of a Submerged Inlet on the Plane Surface被引量：6
《Chinese Journal of Aeronautics》2005年第3期199-205,共7页孙姝 郭荣伟 
National973PlanofChina
In order to get a deep insight of a submerged inlet on the plane surface, the integrated flow field of the inlet and fuselage has been numerically studied. The investigation is mainly focused on the formation of the t...
关键词：submerged inlet on the plane surface CFD boundary layer counter-rotating vortices total pressure coefficient 
Interactions between invasive Eurasian watermilfoil and native water stargrass in Cayuga Lake, NY, USA
《Journal of Plant Ecology》2014年第6期499-508,共10页Bin Zhu Samuel E.Georgian 
Andrew W.Mellon Foundation;National Science Foundation Graduate Research Fellowship Program(DGE-1144462 to S.E.G).
Aims Eurasian watermilfoil(Myriophyllum spicatum L.)is a common invasive plant in American lakes and has many negative impacts on invaded ecosystems.Drastic decline of this plant at the north-ern end of Cayuga Lake in...
关键词：ALLELOPATHY biological invasion plant interactions space competition submerged macrophytes 
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