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Abstract: This paper proposes the system and structure of the software for modifying the terminal trajectory through millimeter wave fuze detector.Especially,it discusses the selection and design of the filters in the system and constructs the mathematica
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文摘:探讨了引信探测器末段弹道修正软件的体系结构,并将其主要构成部分一一做了介绍,重点对系统中滤波器选取、设计和构建目标机动数学模型方面进行了详细的探讨,使得系统软件体系设计的可靠性大为增强,为提高引信探测器的精度和引战配合效率提供了—种较新的思路。 |
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Abstract: This paper provides a useful analysis method named the theory of congruence and illustrations for modeling and design of electronic commerce environments and business platform.
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摘要:本文使用有效性设计理论分析电子商务站点信息发布及交易平台建设的实例,为电子商务站点的建模和设计提供有效的分析方法。 |
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Abstract: This paper put forward the general conception of basic algorithms on FC\+2 level,analyzed the conditions of TBM interception.
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文摘:探讨了火力单元级指控站一些基本算法的总体构思,并对拦截TBM的条件作了分析。 |
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Abstract: This paper puts forword and verifies the ratio of the length from one finger point to the other shoulder joint to that between finger points of two hands when one raises ones two arms levelly obeying normal law of EU 0.168.
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文摘:提出并检验了双臂侧平举时人体从一支手尖到另一个肩关节的长度与两支手的手尖之间的长度之比依正态分布期望为0.618. |
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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。 |