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铸造模拟仿真软件在汽车零件铸造工艺设计中的应用 被引量:3
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作者 丁刚强 甘芳艳 《装备制造技术》 2012年第10期116-119,共4页
以制动主缸为例,介绍了ProCAST软件在金属型重力铸造工艺中的应用,对制动主缸充型和凝固过程中产生的常见缺陷,进行了预测分析,通过软件的后处理模块,能直观地观测到铸造生产过程中气体包卷、缩孔等缺陷的分布,对铸造缺陷准确的预测,能... 以制动主缸为例,介绍了ProCAST软件在金属型重力铸造工艺中的应用,对制动主缸充型和凝固过程中产生的常见缺陷,进行了预测分析,通过软件的后处理模块,能直观地观测到铸造生产过程中气体包卷、缩孔等缺陷的分布,对铸造缺陷准确的预测,能有利于评价铸造工艺方案、把握铸件品质的影响因素,透彻认识铸造过程,同时有利于为铸造工艺的改进提供正确的方法,避免了多走弯路,节约了试制成本,提高了产品品质。 展开更多
关键词 制动主缸 铸造 模拟 分析
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MORPHOLOGY OF AROMATIC POLYAMIDE TYPE ASYMMETRIC REVERSE OSMOSIS MEMBRANES
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作者 陈嘉彦 毕庶春 +1 位作者 张兴达 郑领英 《Chinese Science Bulletin》 SCIE EI CAS 1981年第4期318-321,共4页
polyamide type has been studied under both electron and optical microscopes. Membranes of the aromatic polyamide type are prepared from corresponding polymeric solutions in N, N-dimethyl acetamide. The casting solutio... polyamide type has been studied under both electron and optical microscopes. Membranes of the aromatic polyamide type are prepared from corresponding polymeric solutions in N, N-dimethyl acetamide. The casting solution was spread with a glass knife over a glass plate to a definite thickness and was heated on a 展开更多
关键词 KNIFE POLYMERIC AROMATIC SPREAD HEATED definite AMIDE easting immersed hundred
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新型变质剂对Cr12钢铸造组织与性能的影响 被引量:1
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作者 廖绍勤 邓沛然 +2 位作者 张谨博 白耀贵 高海强 《上海工程技术大学学报》 CAS 2014年第1期35-37,共3页
研究了钾钠活性变质剂对Cr12钢铸造组织的影响.在Cr12钢的铸造过程中,分别加入含量(质量分数)为0.02%、0.04%、0.06%、0.08%的钾钠变质剂,随着钾钠变质剂含量的增加,Cr12钢的晶粒得到细化,但含量过高,晶界上的共晶碳化物增加,形... 研究了钾钠活性变质剂对Cr12钢铸造组织的影响.在Cr12钢的铸造过程中,分别加入含量(质量分数)为0.02%、0.04%、0.06%、0.08%的钾钠变质剂,随着钾钠变质剂含量的增加,Cr12钢的晶粒得到细化,但含量过高,晶界上的共晶碳化物增加,形成网状,导致材料的脆性上升.结果表明:钾钠变质剂含量为0.04%~0.06%时,能获得组织最为理想,综合力学性能最优的材料;经适量钾钠变质剂处理后,材料的硬度、抗拉强度、耐磨性都分别得到提高. 展开更多
关键词 CR12钢 铸造 共晶碳化物 变质剂 细化
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ATMOSPHERIC DIVERGENCE PRODUCTION IN ELECTRIFIED CLOUDS
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作者 黄寅亮 黄更生 《Chinese Science Bulletin》 SCIE EI CAS 1985年第2期204-209,共6页
I. INTRODUCTION The most possible mechanism of the effects of solar variability on weather and tropospheric circulation has been suggested to be an electrical coupling process, because it may bypass many difficulties ... I. INTRODUCTION The most possible mechanism of the effects of solar variability on weather and tropospheric circulation has been suggested to be an electrical coupling process, because it may bypass many difficulties associated with the heating mechanism in many ways such as energy, coupling and time delays. 展开更多
关键词 WEATHER BYPASS heating Seale easting outer BALLOON esses ANVIL DIVERGENCE
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TESTS ON ANCIENT BRONZE DRUMS OF BEILIU TYPE BY LEAD ISOTOPES
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作者 彭子成 万辅彬 姚舜安 《Chinese Science Bulletin》 SCIE EI CAS 1988年第12期1027-1033,共7页
I.INTRODUCTION Since the last decade researches on ancient objects, such as bronzes, coins, glass, colours and ceramic glaze, by lead isotopic method have been developed rapidly in foreign countries. One can use lead ... I.INTRODUCTION Since the last decade researches on ancient objects, such as bronzes, coins, glass, colours and ceramic glaze, by lead isotopic method have been developed rapidly in foreign countries. One can use lead isotopic ratios in the distribution, self-rela- 展开更多
关键词 ISOTOPIC ANCIENT ceramic ISOTOPES MAGMA enriched genesis easting INGOT BRONZE
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EXPLORATION ENGINEERING
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《Abstracts of Chinese Geological Literature》 2003年第4期157-158,共2页
20033056 Mao Yukun (Yuxi Branch, Territory Construction Engineering Company of Yunnan, Yuxi, Yunnan) The New Means Protecting Drilling Hole in Sinian Broken Carbonate Beds in Central Yunnan Province (Yunnan Geology, I... 20033056 Mao Yukun (Yuxi Branch, Territory Construction Engineering Company of Yunnan, Yuxi, Yunnan) The New Means Protecting Drilling Hole in Sinian Broken Carbonate Beds in Central Yunnan Province (Yunnan Geology, ISSN1004-1885 , CN53 -1041/P, 22(2), 2003, p. 206-210, 4 tables, 3 refs. ) 展开更多
关键词 DRILLING TABLES HAMMER easting formations REPRESENTATIVE Jilin STRATA broken Hebei
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有限元模拟软件新材料数据库的构建与应用
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作者 曾舟 何跃斌 +1 位作者 罗丽 王霞 《装备制造与教育》 2018年第3期27-31,共5页
分析了铸造业发展与模拟仿真技术的关系,明确了模拟仿真的重要性。研究了铸造模拟仿真软件MAGMAsoft的应用局限性,然后通过在软件中构建新材料相关参数,完善了MAGMAsoft的材料数据库。又利用新建材料数据库参数完成了铸造模拟仿真实验,... 分析了铸造业发展与模拟仿真技术的关系,明确了模拟仿真的重要性。研究了铸造模拟仿真软件MAGMAsoft的应用局限性,然后通过在软件中构建新材料相关参数,完善了MAGMAsoft的材料数据库。又利用新建材料数据库参数完成了铸造模拟仿真实验,验证了新建材料数据库参数的可靠性,从而达到了利用MAGMAsoft为实际生产提供方便的目的。 展开更多
关键词 模拟仿真 铸造 材料数据库 MAGMASOFT
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TRANSPLANTATION
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《外科研究与新技术》 1994年第2期127-128,共2页
关键词 REJECTION ALLOGRAFT DONOR easting KIDNEY HISTOLOGY metabolism intensified Chengdu CHONGQING
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Up-to-date development and prospect of transformer industry in China
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作者 Zhu Yinghao Shenyang Transformer Research Institute 《Electricity》 1991年第2期7-10,共4页
GeneralChina transformer manufacturing industry was set up inthe year 1927 which lagged 41 years behind the time when trans-former had been invented.In 1936,the transformer with per unitcapacity 300 kVA with the volta... GeneralChina transformer manufacturing industry was set up inthe year 1927 which lagged 41 years behind the time when trans-former had been invented.In 1936,the transformer with per unitcapacity 300 kVA with the voltage 13.2/6.6 kV was produced.Afterthe founding of the People’s Republic of China,not only per unitcapacity and voltage class of the transformers,but also the types,varieties,performance parameters and the annual output of thetranstormers had been developed rapidly.Voltage classes of themass-produced transformers and autotransformers with the differentcapacity ratings were 220 kV in 60’s,330 kV in 70’s and 500 kV 展开更多
关键词 TRANSFORMER WINDING PROSPECT FOUNDING behind instrument insulation RESIN easting immersed
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REALISTIC PROOF OF THE PREDICTABILITY OF A CASE OF LONG-TERM FORECASTING
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作者 陶守正 周南平 《Chinese Science Bulletin》 SCIE EI CAS 1984年第9期1276-1277,共2页
The writer of this letter had for ten years conducted a major investigation into the astronomical parameters for ancient China and made practical use of them on long-term weather forecasting.With this plan in view, th... The writer of this letter had for ten years conducted a major investigation into the astronomical parameters for ancient China and made practical use of them on long-term weather forecasting.With this plan in view, the 1981—1983 modelling of the summer prediction has proceeded on the basis of the synthesized effect on weather conditionsof the global circulation, ASI 展开更多
关键词 weather LETTER WRITER ANCIENT forecasting CASE modelling easting filtration CAREFUL
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专利题录和文摘
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《中国钨业》 CAS 1994年第1期35-36,共2页
关键词 专利题录 重合金 电解加工 离子氮化 区域精炼 钨粉 烧结制备 平滑表面 easting 粘结相
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来自神话的英语典故集锦
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作者 王宗文 《语言教育》 1993年第2期18-20,共3页
英语成语范围广泛,源远流长。有的除自《圣经》,有的源自西方的生活、航海或军事用语,有的源自拉丁语或法语,还有的源自古希腊或罗马等国的神话等等。这些成语经常见诸文学艺术作品和报章杂志,至今仍具有丰富的生命力。了解这些意味深... 英语成语范围广泛,源远流长。有的除自《圣经》,有的源自西方的生活、航海或军事用语,有的源自拉丁语或法语,还有的源自古希腊或罗马等国的神话等等。这些成语经常见诸文学艺术作品和报章杂志,至今仍具有丰富的生命力。了解这些意味深长的隽语,有助于我们研读英美文学作品,并加强理解和运用英语的能力。本文所收集的是一些来自神话传说的成语,这些成语的背后。 展开更多
关键词 英美文学作品 文学艺术作品 SWORD ARGUMENT 狄俄尼索斯 事使 easting 众神 《伊利亚特》 《伊索寓言》
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The Overview of the Development of China's Aluminum Rolling Industry
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《China Nonferrous Metals Monthly》 2008年第2期1-6,共6页
The aluminum and aluminum product process- ing industry in China is currently experiencing the 3rd high tide of high speed continual devel- opment.In 2006,the output of primary alumi- num in China reached 9.35 million... The aluminum and aluminum product process- ing industry in China is currently experiencing the 3rd high tide of high speed continual devel- opment.In 2006,the output of primary alumi- num in China reached 9.35 million tons,rank- ing first in the world for 4 vears on end. 展开更多
关键词 ROLLING currently MODEM ROLLER easting MODEST fabr
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STATISTICAL CHARACTERISTICS OF SIGNAL AMPLITUDE SCINTILLATION IN SATELLITE COMMUNICATION
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作者 王家胜 《Chinese Science Bulletin》 SCIE EI CAS 1988年第3期196-200,共5页
Ⅰ. INTRODUCTION As is well known, the turbulence occurring in the troposphere causes the small scale inhomogeneities of the air refractive index. After propagation in the turbulence layer an electromagnetic wave exhi... Ⅰ. INTRODUCTION As is well known, the turbulence occurring in the troposphere causes the small scale inhomogeneities of the air refractive index. After propagation in the turbulence layer an electromagnetic wave exhibits pro-scattering characteristics which are 展开更多
关键词 TURBULENCE troposphere refractive ABSOLUTE WINTER LATITUDE METEOROLOGICAL easting behaviour SEASONAL
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AN IMPROVEMENT OF THE INITIAL FIELD IN THE STATISTICAL-DYNAMICAL PREDICTION OF TYPHOON TRACKS
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作者 金一鸣 周洪祥 《Chinese Science Bulletin》 SCIE EI CAS 1983年第6期783-786,共4页
Ⅰ. INTRODUCTION The crux of typhoon prediction is the prediction of typhoon track. In recent years many objective prediction models have been proposed, particularly the statistical-dynamical type has become comparati... Ⅰ. INTRODUCTION The crux of typhoon prediction is the prediction of typhoon track. In recent years many objective prediction models have been proposed, particularly the statistical-dynamical type has become comparatively the more effective one, e. g. the USA NHC-73, the Shanghai SD75 and the Zhejiang ZMI-80 have all proved to be superior to the pure statistical models in practice. In China, due to lack of 展开更多
关键词 TYPHOON DYNAMICAL VORTEX easting verify LATITUDE revised statis 鲁一 representing
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专利题录和文摘
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《中国钨业》 CAS 1992年第8期51-52,共2页
关键词 专利题录 烧结合金 去杂质 碳化钨 酸浸 easting 二氧化锡 塌中 sintered 化工设备
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SEISMIC GEOLOGY
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《Abstracts of Chinese Geological Literature》 2002年第2期19-21,共3页
关键词 QUAKE Jiangsu intensified easting Zhengzhou TABLES HENAN MAINLAND Tianjin NANJING
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EXPLORATION ENGINEERING
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《Abstracts of Chinese Geological Literature》 2004年第1期171-173,共3页
20040900 Gu Jun (Chengdu University of Technology, Chengdu, Sichuan ); Xiang Yang Analysis of Mechanic Properties of Formation Inclination and Countermeasure of Straight Fast Drilling in Santanghu Basin, Xinjiang, Chi... 20040900 Gu Jun (Chengdu University of Technology, Chengdu, Sichuan ); Xiang Yang Analysis of Mechanic Properties of Formation Inclination and Countermeasure of Straight Fast Drilling in Santanghu Basin, Xinjiang, China (Exploration Engineering (Rock & Soil Drilling and Tunneling), ISSN 1000-3746, CN11-1994/TD, 2003(2), p. 44-48, 7 illus. , 3 refs. ) 展开更多
关键词 Chengdu Xiang Jilin DRILLING HUBEI HAMMER STRATA easting SHANDONG PORTABLE
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GEOCHEMICAL EXPLORATION
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《Abstracts of Chinese Geological Literature》 2008年第4期121-122,共2页
20082586 Gao Jianhua(Chengdu Institute of Geology and Mineral Resources,Chengdu 610082,China);Fan Wenyu Application of the Geochemical Fast Evaluation Method to the Delineation of the Prospecting Targets in Garze,Sich... 20082586 Gao Jianhua(Chengdu Institute of Geology and Mineral Resources,Chengdu 610082,China);Fan Wenyu Application of the Geochemical Fast Evaluation Method to the Delineation of the Prospecting Targets in Garze,Sichuan Province(Sedimentary Geol- ogy and Tethyan Geology,ISSN1009—3850, CN51—1593/P,27(4),2007,p.7—10,2 illus.,1 table,5 refs.,with English abstract) Key words:geochemical exploration, Sichuan Province 20082587 Li Suimin(Shijiazhuang College of Economy,Shijiazhuang 050031,China); 展开更多
关键词 GEOCHEMICAL Chengdu SURFER easting TABLES GUIZHOU
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铸件裂纹的形成原因及防止方法 被引量:15
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作者 张习志 余明 夏仁专 《煤矿机械》 北大核心 2007年第11期104-106,共3页
从铸件裂纹的分类入手,具体从铸件的合金性质、铸型的性质、浇注工艺、铸件的工艺结构等几方面分析铸件产生裂纹的原因。对在生产过程中如何防止铸件产生裂纹,提高铸造零件的可靠性和铸件的使用寿命等具有一定的指导意义。
关键词 铸件裂纹 产生原因 防止方法
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