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Abstract: This paper puts out the edge shapes curvilinear equations,of the edge shapes of double circular gear hob, and analyzes the tooth surface's characterist.It also points out that the gear hob is a kind of approximate shape building cutting too ls i
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文摘:本文提出了直槽双圆弧齿轮滚刀刃形曲线方程式，并进一步分析了该滚刀的齿面特性，指出该滚刀从整个使用过程看，是一种近似造型的刀具。 |
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Abstract: This paper reports the observation and analysis results on three kinds of impurity in β″-Al2O3 by using EPMA-EDS.We studied the differences of electric conductivity between the area containing inmpurity and the normal area by ion transport metho
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文摘:用EPMA-EDS组合仪，对β″氧化铝中的三种典型杂质进行了形貌观察和成分分析，并用电子束诱导离子迁移法，研究了杂质区及正常区的离子电导差异，讨论了不同杂质的特点及对β″氧化铝作用中的危害。 |
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Abstract: This paper reports the studies on the shapes,properties and microstructures of Pennisetum flaccidum,Cynanchum stauntonii,easily confused with those of Rhizoma Imperatae Comparision was made for the identification of the confusing drugs.
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文摘:对白茅根的混淆品白草、柳叶白前根茎进行了药材性状和显微组织构造研究，并与正品白茅根作了对照，供鉴别参考. |
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Abstract: This paper reports the variation of conductivity,dielectric constant (εr) and loss tangent (tanδ) of polyanilines as well as their dependence on processing conditions and dopants.Dielectric performance of polyaniline is investigated too.
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文摘:本文从合成条件、掺杂剂、掺杂条件等不同角度出发，研究了聚苯胺的电导率变化规律，并对其介电特性进行了初步的测试分析。 |
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Abstract: This paper reviewed recent developments of the chiral phosphorus ligands in the field of asymmetric catalytic synthesis.According to the chiral center atom and the structural characteristics,these chiral phosphorus ligands were divided into five
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文摘:对近十多年来不对称催化合成领域中出现的手性膦配体进行了综述，按其不对称中心以及结构上的特征加以分类，并对其催化性能进行总结。 |
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Abstract: This paper reviewed the advances in the research of new mode of batch distillation in recent years.Accumulative batch distillation、reverse batch distillation、middle vessel batch distillation and multi-effect batch distillation were mainly introd
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文摘:本文综述了国内外近年来间歇精馏新型操作方式的研究进展和发展方向，重点介绍了塔顶累积全回流操作、反向间歇精馏塔操作、中间贮罐以及多罐间歇精馏塔操作，阐述了这些新型操作方式的特点及应用前景。 |
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Abstract: This paper reviewed the structure,the materials,the emitting mechanism of blue and blue-green electroluminescent thin film cells using polymer as emitting materials.Recent development,lack,tendency of studies about above cells was also narrated.
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文摘:概述了电致发射蓝光和蓝绿光的电致发光薄膜器件的结构、材料、发光机理、目前研究的状况、出现的问题以及研究的发展趋势。 |
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Abstract: This paper reviews the achievements of quality education at Suzhou University over the past ten years while analyzing the importance of improving liberal arts education for students at the tertiary level.
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文摘:在提出高校加强大学生文化素质的重要性的基础上，回顾了苏州大学十余年来开展文化素质教育工作所取得的成绩。 |
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Abstract: This paper sets forth the historical periods of the development and application of primary explosive detonator, and discusses the development of some new types of detonators, points out its tendency and direction in the near future.
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文摘:阐述了雷管各个阶段的发展概况，概述了目前几种新型雷管的研制、应用以及今后雷管发展的特点和趋势。 |
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Abstract: This paper starts with a comparative study of several schools of arts that correspond diachronically and synchronically to the French Impressionist school of music, and then presents a new perspective that will facilitate further study of this e
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摘要从比较学角度，通过对两种不同音乐流派的整合、比较和分析，建立起对印象主义音乐进行再认识的理论视角，以达到对其艺术风格及其创作特徵深入了解和把握的目的。 |
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Abstract: This paper states its importance to carry out the strategy of agricultural sustainable development(ASD) for Guizhou karst region, it also explores the target and connotations of ASD , and points out that it is the basis for ASD of Guizhou provin
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文摘:阐述了贵州喀斯特生态脆弱区实施农业可持续发展战略的重要性，探讨了该地区可持续农业发展的目标与内涵，指出保护、改善和重建生态环境是农业可持续发展的基础，提出了适合喀斯特生态脆弱区地域特征的持续农业发展的产业化模式与战略对策。 |
