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• Effect of pre-aging on microstructure and properties of 2000 series aluminum alloy for automotive body sheets

  来源： 《中国有色金属学报(英文版)2007年增刊第1期》——王孟君 黄电源 姜海涛 任杰

  Effect of pre-aging on microstructure and properties of 2000 series aluminum alloy for automotive body sheets WANG Meng-jun(王孟君) 1, 2, HUANG Dian-yuan(黄电源)1, JIANG Hai-tao(姜海涛)1, REN Jie(任杰)1...″ phases are formed. The number of the θ″ phases grows, and the strength increases sharply during the paint-bake treatment. In contrast with the 6000 series aluminum alloy for automobile body sheets......

• Mechanism explanation for SO₂ oxidation rate of Cs-Rb-V series sulfuric acid catalyst at low temperature

  来源： 《中国有色金属学报(英文版)2001年第3期》——陈振兴 叶华 刘今 李洪桂

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• 7xxx系铝合金焊接研究现状与展望

  来源： 《中国有色金属学报2018年第3期》——宋友宝 李龙 吕金明 严安 周德敬

  7xxx系铝合金焊接性的影响如表1所列[11-12]. 表1  7xxx系铝合金中各元素对焊接性的影响[11-12] Table 1  Influence of elements on weldability of 7xxx series aluminum alloys[11-12] 2  7xxx系铝合金焊接焊丝的选择与优化 2.1  焊丝的选择 在母材.../Er micoalloying elements on joint properties of 7A52 aluminum alloy[16-18] 表4  7xxx系铝合金焊接方法特点 Table 4  Characteristics of welding method of 7xxx series aluminum alloys 3.1  双丝MIG焊 单丝......

• Preparation and Structural Chemistry of a Series of Rare Earth Compounds REPS₄

  来源： 《Journal of Rare Earths1999年第1期》——Huang Zhongle (Department of Chemistry, Xiamen University, Xiamen , China) Cajipe Victoria, Molinie Pilippe (Institute of Materials of Nantes, Nantes Cedex, France) Received January , ; received in revised form April ,

  Preparation and Structural Chemistry of a Series of Rare Earth Compounds REPS4Huang Zhongle (Department of Chemistry, Xiamen University, Xiamen 361005, China) Cajipe Victoria, Molinie Pilippe (Institute of Materials of Nantes, 44322 Nantes Cedex, France) Received January 12, 1998; received in revised form April 20, 1摘 要:Ａｌａｒｇｅｎｕｍｂｅｒｏｆｒａｒｅｅａｒｔｈｏｒｔｈｏｔｈｉｏ......

• 华南火山-斑岩型矿床地质特征及成矿模式^①

  来源： 《中国有色金属学报1996年第1期》——樊键强

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• 模块化多电平换流器优化模型预测控制策略

  来源： 《中南大学学报(自然科学版)2020年第1期》——夏向阳 黄智 赵昕昕 刘远 石超 陈泱屹 肖治宇 曹伯霖

  ；模型预测控制 中图分类号:TM76          文献标志码:A 文章编号:1672-7207(2020)01-0086-08 Optimized model predictive control strategy of modular multilevel converter HUANG　Zhi... characteristics of MMC, but also realizes the internal energy control of MMC. Key words: modular multilevel converter; unbalanced grid condition; energy analysis; model predictive control 作为一种新型电压源型换流器,模块化......

• A series of rare earth coordination polymer constructed from paddle-wheel building blocks

  来源： 《JOURNAL OF RARE EARTHS2008年第5期》——GUO Guangsheng LIU Yangchun GUO Hongyou ZHANG Jia

  A series of rare earth coordination polymer constructed from paddle-wheel building blocks GUO Guangsheng1,LIU Yangchun1,GUO Hongyou1,ZHANG Jia1 (1.State Key Laboratory of Chemical Resource Engineering,Beijing University of Chemical Technology,Beifing 100029,China) Abstract:Three coordination polymers, Ln2(bpdc)3(phen)2(H2O)2 (Ln=Nd(1), Eu(2), and Tb (3); bpdc=2,2''-bipyddine-3,3......

• Synthesis and Structures of A Series of Novel Rare Earth Transition Metal Sulfates

  来源： 《JOURNAL OF RARE EARTHS2006年第6期》——Allan J. Jacobson Lumei Liu Xiqu Wang

  Synthesis and Structures of A Series of Novel Rare Earth Transition Metal Sulfates Allan J. Jacobson1,Lumei Liu1,Xiqu Wang1 (1.Department of Chemistry and Texas Center for Superconductivity, University of Houston, Houston, TX 77204-5003, USA) Abstract:Seven new rare earth transition metal sulfates were synthesized by hydrothermal reactions under conditions slightly above the critical point......

• A series of rare earth coordination polymer constructed from paddle-wheel building blocks

  来源： 《Journal of Rare Earths2008年第5期》——郭广生 刘阳春 张佳 郭洪猷

  A series of rare earth coordination polymer constructed from paddle-wheel building blocks郭广生,刘阳春,张佳,郭洪猷摘 要:Three coordination polymers, Ln2(bpdc)3(phen)2(H2O)2 (Ln=Nd(1), Eu(2), and Tb (3); bpdc=2,2’-bipyridine-3,3’-dicarboxylate; phen=1,10-phenanthroline), were obtained by hydrothermal reaction of Ln2O3 with 2,2’-bipyridine-3,3’-dicarboxylate acid......

• X Series Ⅱ型电感耦合等离子体质谱仪的故障解析

  来源： 《理化检验-化学分册2014年第7期》——张庸 闫秀芬 杨丽 詹秀嫣 孙莹 苗峰 夏冬 刘畅 苏莉

  X Series Ⅱ型电感耦合等离子体质谱仪的故障解析张庸1,闫秀芬1,杨丽1,詹秀嫣1,孙莹2,苗峰1,夏冬1,刘畅1,苏莉11. 中航工业沈阳黎明航空发动机(集团)有限责任公司技术中心2. 中科院金属研究所摘 要:<正>电感耦合等离子体质谱仪(ICP-MS)是最有冲击力的分析技术,广泛应用于地质,环境,冶金,生物,医学,工业等多个领域[1].由于该技术是电感耦合等离子体发射光谱仪与火花源质谱仪核心技术的结合体,构成复杂.虽然目前各厂家的产品已日趋小型化,精密化,但对于新手而言,操作与维护还是相对困难,往往遇到故障就会停机等待,严重降低了使用效率.国内有关电感耦合等离子体质谱仪维修已有文献[2-4]报道,但主要着眼于局部的故障,而关键词:......