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| 1 | 超细硬质合金混合料的制备与制粒技术显示文摘超细硬质合金因为具有较好的综合性能 ,其应用领域正在不断扩大 ,因此超细硬质合金的研究是当前硬质合金研究领域的一大热点。原料、工艺与设备是超细硬质合金制备过程中的三个关键点 ,如果没有较好地解决超细硬质合金制备过程中的工艺问题 ,即使采用最先进的设备也无法生产出性能优异的合金。本文介绍了作者新近开发的超细硬质合金混合料的制备与制粒技术 ,采用这种技术可以制备平均粒度小于 0 .3mm的球形料粒 ,而且成球率大于 90 %,因而较好地解决了超细硬质合金混合料的模压成形问题。 | 张立 Schubert W.D. 黄伯云 | 2003 | 硬质合金2003,20,3: | 12 |
| 2 | 21世纪大学的学术战略——牛津大学案例显示文摘作为英国最古老大学之一的牛津大学 ,为更好地适应大学外部及内部各种变化的需求而制定大学中期乃至长期的学术战略。制定学术战略时需要考虑大学本身和各方面利益相关者的要求 ,需要考虑制定战略所需的时间和战略适用的时段 ,要对战略的内容进行很好的设计 。 | W.D.麦克米伦 | 2004 | 国家教育行政学院学报2004,,5: | 9 |
| 3 | Auxin as a Model for the Integration of Hormonal Signal Processing and Transduction显示文摘植物生长的规定对许多刺激作出回应。这些回答允许环境改编,从而增加的健康。在许多情况中,植物的环境的信息的继电器通过植物荷尔蒙。这些送信人把环境信息集成到发展小径决定植物形状。这评论愿望使用作为一个例子,在 Arabidopsis thaliana 到的根的植物生长素说明神经质的信号处理和 transduction 的复杂性质。它那么将做一条系统生物学途径的申请是必要的盒子,如果在植物的环境和它的 growth/developmental 回答之间的关系将适当地被理解。 | W.D. Teale F.A. Ditengou A.D. Dovzhenko X. Li A.M. Molendijk B. Ruperti I. Paponov K. Palme | 2008 | Molecular Plant2008,1,2: | 8 |
| 4 | The effect of electromagnetic stirring during solidification on the structure of Al-Si alloys显示文摘 | W.D. Griffiths D.G. McCartney | 1996 | Materials Science & Engineering A1996,,1: | 5 |
| 5 | Effects of Boron Addition on Grain Refinement in TiAl-based Alloys显示文摘Solid state phase transformation characteristics of the body centred β(Ti) into the hexagonal closed packed α(Ti) in Ti45Al8Nb-(0, 0.3, 0.5 and 0.8 at. pct) B alloys were investigated by heat treatment to clarify γ/α2 lamellar microstructure refinement induced by B addition. Experimental results confirmed two kinds of boron-reduced grain refinement mechanisms through refining either β phase then α phase (β-refinement) or α phase directly (α-refinement) to refine lamellar microstructure at room temperature; however, the role of α-refinement dominated the as-cast lamellar microstructure refinement over β-refinement in Ti45Al8NbxB alloy. It was also found that during the α-refinement the convoluted flake- and plate-like borides along β grain boundaries assisted nucleation of α phase, and the particle-like borides near β grain boundaries impeded α phase growth. | W.D. Wang,Y.C. Ma,B. Chen,M. Gao,K. Liu and Y.Y. Li Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China | 2010 | Journal of Materials Science & Technology2010,26,7: | 5 |
| 6 | 中国宋代龙泉青瓷釉的组成和结构显示文摘南宋青瓷是陶瓷学者和收藏家研究和珍藏的对象,出产于宋代主要产瓷区——浙江省龙泉镇。特别是色调在青绿到黄绿范围的半透明翠绿釉青瓷更受人青睐。一般认为:龙泉青瓷釉的半透明性是由气泡、未熔融原料(石英等)及坯釉间钙长石结晶层使光产生散射而获得。初步研究晶体表明:青瓷釉的断面是相当粗糙的,存在着结晶相。经测定结晶相为假硅灰石(Casi O_3)和钙长石(CaO—Al_2 O_3-2SiO_2)。 | P.D.范迪弗 W.D.金格瑞 张侃 | 1989 | 中国陶瓷1989,25,3: | 4 |
| 7 | Nuclear Ground-State Masses and Deformations显示文摘 | P. Moller J.R. Nix W.D. Myers W.J. Swiatecki | 1995 | Atomic Data and Nuclear Data Tables1995,,2: | 2 |
| 8 | Mechanism-based strain gradient plasticity— I. Theory显示文摘 | H. Gao Y. Huang W.D. Nix J.W. Hutchinson | 1999 | Journal of the Mechanics and Physics of Solids1999,,6: | 2 |
| 9 | GALVANIC CORROSION BETWEEN GRAPHITE EPOXY COMPOSITE MATERIALS AND LY12CZ ALUMINUM ALLOY显示文摘GALVANICCORROSIONBETWEENGRAPHITEEPOXYCOMPOSITEMATERIALSANDLY12CZALUMINUMALLOYF.Lu;W.Y.Shen;J.G.LiandW.D.Zhen(BeijingInstitute... | F.Lu W.Y.Shen J.G. Li and W.D. Zhen(Beijing Institute of Aeronautical Materials,Beijing 100095,) | 1996 | Acta Metallurgica Sinica(English Letters)1996,9,6: | 2 |
| 10 | 碳纳米管模板法制备碳化钨纳米棒的可行性研究显示文摘采用碳纳米纤维管,WO3和I2为原料对碳纳米管模板法制备碳化钨纳米棒的可行性进行了研究,并对其制备原理进行了分析,提出了因碳纳米管产生的隧道效应,挥发性钨源被不断吸入纳米管内并与管壁发生碳化反应生成碳化钨棒的反应模型;在实验结果的基础上,进一步提出了纳米棒强化的新概念硬质合金的制备新方案。 | 张立 Schubert W.D. 黄伯云 | 2003 | 硬质合金2003,20,4: | 2 |
| 11 | NUMERICAL SIMULATION OF TEMPERATURE FIELD ON FLASH BUTT WELDING FOR HIGH MANGANESE STEELS显示文摘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 high-manganese steel. The influence of temperature dependent material properties and the contact resistance were taken into account in FEM simulation. Meanwhile, the lost materials due to splutter was resolved by using birth and death element. The result of analyzing data shows that the model in the FBW flashing is reasonable and feasible, and can exactly simulate the temperature field distribution. The modeling provides reference for analysis of welding technologies on the temperature field of high-manganese steel in FBW. | B.D. Yu W.D. Song F. C. Zhang | 2005 | Acta Metallurgica Sinica(English Letters)2005,18,4: | 2 |
| 12 | No Impact of Repeated Endoscopic Screens on Gastric Cancer Mortality in a Prospectively Followed Chinese Population at High Risk显示文摘 | B. Riecken R. Pfeiffer J.L. Ma M.L. Jin J.Y. Li W.D. Liu L. Zhang Y.S. Chang M.H. Gail W.C. You | 2002 | Preventive Medicine2002,,1: | 2 |
| 13 | Development of constitutive relationship model of Ti600 alloy using artificial neural network显示文摘 | Y. Sun W.D. Zeng Y.Q. Zhao Y.L. Qi X. Ma Y.F. Han | 2010 | Computational Materials Science2010,,3: | 2 |
| 14 | 面包酵母细胞循环模型的实验验证显示文摘本文对作者早期提出的面包酵母细胞循环模型CCM进行了改进和动态实验验证。结果表明,CCM的动态特性基本与真实过程相符。基于该模型设计的酵母流加发酵最优进料控制策略的实施结果证实,CCM能够用于酵母生产的质量控制。 | 袁景淇 蒋慰孙 Bellgardt K.H. Deckwer W.D. | 1993 | 生物工程学报1993,9,1: | 2 |
| 15 | COMPLEXITY OF SYSTEM MAINTAINABILITY ANALYSIS BASED ON THE INTERPRETIVE STRUCTURAL MODELING METHODOLOGY: TRANSDISCIPLINARY APPROACH显示文摘这篇论文构画出一条诊断途径确定一个广告的可维护性现成(简易窄床) 由分析系统部件的推广的复杂性基于系统。(主义) 说明结构的建模被用来表明主义怎么在在简易窄床部件之中识别并且理解互相依赖支持并且他们怎么影响 COTS 的维护的复杂性基于的系统(CBS ) 。通过主义分析,我们决定了在 CBS 的部件最显著地贡献哪个到系统的复杂性。与 ISM,建筑师,系统综合者,和系统一起,维护者们能孤立引起大多数复杂性的 COTS 产品,因此引起大多数努力维持,并且当必要时,采取措施仅仅改变那些产品或在主要维护努力期间。分析清楚地也显示出能容易在系统的其余部分上被很小的影响代替或升级的部件。 | A. Ertas M.W. Smith D. Tate W.D. Lawson T.B. Baturalp | 2016 | Journal of Systems Science and Systems Engineering2016,25,2: | 2 |
| 16 | Characterizing the role of hydrological processes on lake water balances in the Old Crow Flats, Yukon Territory, Canada, using water isotope tracers显示文摘 | Kevin W. Turner Brent B. Wolfe Thomas W.D. Edwards | 2010 | Journal of Hydrology2010,,1: | 1 |
| 17 | Reducing water losses from channels using linings: Costs and benefits in Pakistan显示文摘 | Muhammad Akram Kahlown W.D. Kemper | 2004 | Agricultural Water Management2004,,1: | 1 |
| 18 | Mechanical characterisation of mullite-based ceramic matrix composites at test temperatures up to 1200°C显示文摘 | P.W.M. Peters B. Daniels F. Clemens W.D. Vogel | 2000 | Journal of the European Ceramic Society2000,,5: | 1 |
| 19 | Visible-near infrared reflectance spectroscopy for assessment of soil properties in a semi-arid area of Turkey显示文摘 | A. Volkan Bilgili H.M. van Es F. Akbas A. Durak W.D. Hively | 2009 | Journal of Arid Environments2009,,2: | 1 |
| 20 | Murine inter-strain polymorphisms alter gene targeting frequencies at the mu opioid receptor locus in embryonic stem cells显示文摘 | Li Zhou Daniel L. Rowley Qing-Sheng Mi Natasha Sefcovic Hans W.D. Matthes Brigitte L. Kieffer David M. Donovan | 2001 | Mammalian Genome2001,,10: | 1 |