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1.
聚烯烃挤出管周向自增强的研究进展 总被引:6,自引:2,他引:6
本文讨论了聚烯烃管材周向自增强的理论及实际意义,概括了国内外学者在这方面所取得的进展和所面临的问题,介绍了作者在这一领域的研究简况。 相似文献
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Shajay Bhooshan 《Architectural Design》2016,86(2):44-53
Shajay Bhooshan heads up the computation and design ZHACODE group at Zaha Hadid Architects (ZHA) and is a course master at the Architectural Association Design Research Laboratory (AADRL). Here he argues that Parametricism 2.0 has a vital role to play in the progressing of computational design. Assimilating the exploratory developments of the last 15 years, he asserts how the next phase of Parametricism will enable a further consolidation and evolution of digital practices. 相似文献
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岩土力学数值方法研究进展 总被引:13,自引:0,他引:13
随着计算机技术进入各个学科领域 ,近年来岩土力学数值分析方法有了迅速的发展 ,本文简要讨论了目前已较为成熟应用于岩土工程中的多种数值方法 ,介绍了最新尝试应用于岩土工程中几种新的数值方法 ,并在此基础上对今后岩土工程数值方法的发展作了一些展望 相似文献
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王飞 《南通纺织职业技术学院学报》2014,(2):25-28
“知行并进”是张謇重要的职业教育理念.理清张謇“知行并进”思想的理论渊源,弄清其内涵,揭示其历史价值和当代启示,对于传承和弘扬张謇职教理念、推动现代职教创新发展具有重要意义. 相似文献
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ALI Erdemir 《材料保护》2004,37(Z2)
Increasingly more demanding and very stringent operating conditions envisioned for future mechanical and tribological systems will certainly require new materials and coatings that are superhard and at the same time self-lubricating.For example, dry machining is a much desired practice in manufacturing sector, but it is currently very difficult to realize mainly because of high friction and severe wear losses. However, recent advances in surface engineering and coating technologies may enable design and production of novel coatings architectures that can combine superhardness with self-lubricating properties in both the disordered or nanostructured forms. Recently developed nearly frictionless carbon films, ultrananocrystalline diamond and carbide derived carbon films can dramatically lower friction and at the same time reduce wear under very harsh sliding conditions. These coatings can be formulated in such a way that they can substantially increase the load-bearing capacity of sliding surfaces and hence improve their resistance to scuffing. It is also possible to design nano-composite coatings that can form self-replenishing and-lubricating tribofilms on their sliding surfaces and thus help increase the overall lubricity of these surfaces. In this paper, an overview of recent advances in disordered and nanostructured carbon films will be presented. Specific examples will be given to demonstrate the superior performance and durability of such novel coatings under a very wide range of tribological conditions. The major emphasis is placed on super low friction carbon films. The fundamental tribological mechanisms that control their exceptional friction and wear behaviors are also discussed. 相似文献
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有机热载体炉技术及其进展 总被引:11,自引:3,他引:8
文章在分析有机热载体特点和结构设计的基础上讨论了有机热载体炉的技术及其进展。指出:高能效、低排放技术,先进的设计技术,精确的制造技术,在线过滤、监测、分析、清洗技术等运行控制技术是有机热载体炉未来发展方向。 相似文献
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