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检索条件"作者=D c SEOk"
15395 条 记 录,以下是111-120 订阅
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NUMERIcAL SIMULATION OF TEMPERATURE FIELd ON FLASH BUTT WELdING FOR HIGH MANGANESE STEELS
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Acta Metallurgica Sinica(English Letters) 2005年 第4期18卷 547-551页
作者: B.d. Yu W.d. Song F. c. Zhang china Railway Shanhaiguan Bridge Group Limited company Shanhaiguan 066205 China college of Materials Science and Engineering Yanshan University Qinhuangdao 066004 China
An axial symmetry finite element model coupled with electricity-thermal effect was developed to study the temperature field distribution in process of the flash butt welding (FBW) of frog highmanganese steel. The in... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Prevalence of Barrett's esophagus in patients with moderate to severe erosive esophagitis
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World Journal of Gastroenterology 2008年 第22期14卷 3518-3522页
作者: Nooman Gilani Richard d Gerkin Francisco c Ramirez Shahina Hakim Adam c Randolph department of Medicine and Research Section of Gastroenterology Carl. T. Hayden Veterans Administration Medical Center Phoenix Arizona 85012 United States
AIM: To investigate the proportion of patients with moderate-severe erosive esophagitis (EE) who will have Barrett's esophagus (BE) after healing of inflammation. METHOdS: Patients with EE of Los Angeles (LA) class B,... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
An Application of double Exponential Smoothing Technique to Quality control
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数理统计与管理 1993年 第5期 43-48页
作者: c.d.Lai d.Q.Wang dapartment of Statistics Massey University New Zealand
休哈特控制图和SUSUM控制图技术,在制造业得到广泛应用.J.S.Hunter提出用指数加权滑动平均(EWMA)作为质量管理工具.然而,众所周知存在趋势项的情况下,用EWMA预测往往不是过低就是过高.本文的目的是表明... 详细信息
来源: 同方期刊数据库 同方期刊数据库 评论
Achieving superior strength-ductility synergy in a heterostructured magnesium alloy via low-temperature extrusion and low-temperature annealing
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Journal of Materials Science & Technology 2023年 第32期163卷 32-44页
作者: H.Wang d.T.Zhang c.Qiu W.W.Zhang d.L.chen Guangdong Key Laboratory for Advanced Metallic Materials Processing and Forming National Engineering Research Center of Near-net-shape Forming for Metallic MaterialsSouth China University of TechnologyGuangzhou 510640China department of Mechanical and Industrial Engineering Toronto Metropolitan University(formerly Ryerson University)350 Victoria StreetTorontoON M5B 2K3Canada
A low-alloyed Mg-1.2Zn-0.1ca(wt.%)alloy was fabricated via low-temperature extrusion and annealing at 250℃for different times(10,30,and 90 min)to attain heterostructures with different fine-grained fractions,focusing... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Molecular therapy for hepatic injury and fibrosis:Where are we?
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World Journal of Gastroenterology 2006年 第4期12卷 509-515页
作者: colette c Prosser Roy d Yen Jan Wu Transplant Research Institute University of California Davis Medical Center Sacramento CA United States division of Gastroenterology Hepatology and Nutrition State University of New York at Buffalo Buffalo NY United States
Hepatic fibrosis is a wound healing response, involving pathways of inflammation and fibrogenesis. In response to various insults, such as alcohol, ischemia, viral agents, and medications or hepatotoxins, hepatocyte d... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
Genotypic diversity of a dominant c_(4) grass across a long-term fire frequency gradient
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Journal of Plant Ecology 2013年 第6期6卷 448-458页
作者: cynthia c.chang Melinda d.Smith department of Ecology and Evolutionary Biology Yale UniversityNew HavenCT 06511USA department of Biology University of WashingtonSeattleWA 98195USA department of Biology Colorado State UniversityFort CollinsCO 80523USA
Aims and Methods diversity-disturbance research has focused on community diversity,but disturbance frequency could impact diversity within species as well,with important consequences for community diversity and ecosys... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论
developing selective mining capability for longwall shearers using thermal infrared-based seam tracking
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International Journal of Mining Science and Technology 2013年 第1期23卷 47-53页
作者: Jonathon c. Ralston Andrew d. Strange Mining Technology Research Group CSIRO Earth Science and Resource Engineering Technology Court Pullenvale Queensland 4069 Australia
Longwall mining continues to remain the most efficient method for underground coal recovery. A key aspect in achieving safe and productive longwall mining is to ensure that the shearer is always correctly positioned w... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
Fullwave doppler reflectometry simulations for density turbulence spectra in ASdEX Upgrade using GENE and IPF-Fd3d
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Plasma Science and Technology 2020年 第6期22卷 41-48页
作者: c LEcHTE G d cONWAY TGÖRLER T HAPPEL the ASdEX Upgrade Team Institute of Interfacial Process Engineering and Plasma Technology IGVP Universität StuttgartD-70569 StuttgartGermany Max-Planck-Institute for Plasma Physics D-85748 GarchingGermany 不详
doppler reflectometry is an important microwave diagnostic for turbulent fusion plasmas.A microwave beam is scattered off density fluctuations,with wavenumbers according to incident frequency and relative *** way,a de... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
challenges of modeling solar disturbances' arrival times at the Earth
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Science china(Technological Sciences) 2008年 第10期51卷 1580-1588页
作者: c. d. FRY chin-chun WU Murray dRYER center for Space Plasma and Aeronomic Research The University of Alabama in Huntsville Huntsville AL 35899 USA Exploration Physics International Inc. Huntsville AL 35806 USA center for Space Plasma and Aeronomic Research The University of Alabama in Huntsville Huntsville AL 35899 USA Space Weather Laboratory NASA/Goddard Space Flight Center Greenbelt MD 20771 USA center for Space Plasma and Aeronomic Research The University of Alabama in Huntsville Huntsville AL 35899 USA Exploration Physics International Inc. Huntsville AL 35806 USA Space Weather Prediction Center National Oceanic and Atmospheric Administration (NOAA) Boulder Colorado USA
In recent years remarkable advances have been made in the development of phys-ics based models of various parts of the solar-terrestrial system (see JASTP special issues, October, November 2004; February 2007). In thi... 详细信息
来源: 维普期刊数据库 维普期刊数据库 同方期刊数据库 同方期刊数据库 评论
The friction of diamond-like carbon coatings in a water environment
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Friction 2013年 第3期1卷 210-221页
作者: d.c.SUTTON G.LIMBERT d.STEWART R.J.K.WOOd National centre for Advanced Tribology at Southampton(ncATS) Engineering SciencesFaculty of Engineering and the EnvironmentUniversity of SouthamptonSouthamptonSO171BJUK Bioengineering Science Research Group Engineering SciencesFaculty of Engineering and the EnvironmentUniversity of SouthamptonSouthamptonSO171BJUK Materials Chemistry and CorrosionRolls-RoyceDerbyDE217XXUK
diamond-like carbon(dLc)coatings are known to provide beneficial mechanical and tribological properties in harsh *** combination of high wear resistance and low friction has led to their extensive use in any number of... 详细信息
来源: 维普期刊数据库 维普期刊数据库 评论