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Abstract: The design problem of reduced-order state observer for a class of multi-input multi-output (MIMO) nonlinear time-varying systems is studied in this paper.A new design method of nonlinear reduced-order state observer is proposed,and the exponenti
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文摘:研究一类多输入多输出(MIMO)非线性时变系统的降维状态观测器设计问题.提出一种非线性降维状态观测器设计方案，并从理论上证明了状态观测误差的指数收敛性.其中设计的降维状态观测器具有收敛速度可调的特性.最后给出了数值算例，仿真结果表明了本文方法的有效性. |
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Abstract: The design scheme, construction and paramete rs of the grinding device used to repair the plane deformation of stay ring of hydro turbine at the power station are introduced, and the design gist of the grinding head system is presented.
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文摘:介绍了用于修磨水轮机座环平面变形的专用修磨设备的设计方案、结构、参数及磨头系统的设计要点。 |
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Abstract: The design, manufacturing and measurement method of cam profiling are discussed in this paper by describing cam shaft grinding, fabrication of cam profiling, formation of contour of cam profiling, method of compensative fabrication of cam profil
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文摘:从凸轮轴磨床磨削工件凸轮、反靠凸轮靠模的过程，凸轮靠模轮廓曲线的形成，补偿反靠凸轮靠模的方法，标准凸轮轴的刮削及补偿量的确定，凸轮靠模的检测与评定等，论述了凸轮靠模的设计、制造与检测方法。 |
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Abstract: The designing way of the electron police system is introduced. The hardware structure and applying software are offered too. Function of managing towards peccancy vehicles is described.
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文摘:介绍了电子警察系统的设计方案，给出了该系统的硬件和应用软件结构，简要说明了对违章车辆的处理功能。 |
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Abstract: The determination of aminoglycoside antibiotics in the biological fluid has been reviewed.The methods mainly included bioassay,thin-layer chromatography,high-performance liquid chromatography(HPLC) and a variety of immunoassay(IA),for example,en
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文摘:综述了氨基糖苷类抗生素的体内分析方法.主要有：生物学分析法；薄层色谱法；高效液相色谱法；差示脉冲极谱及各种免疫法，如酶免疫法，荧光偏振免疫法，胶乳凝集抑制速率比浊法等.其中高效液相色谱法和免疫法应用较多. |
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Abstract: The development and application of Electric power steering technology is explicated in this paper.The structure,working principle and control system are introduced and comparatively analysis of several features such as performance,reliability,se
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文摘:本文简述了汽车电控助力转向系统的发展与应用，介绍了电控助力转向系统的基本结构与工作原理，分析比较了其性能特点，并阐述了该项技术今后的发展趋势。 |
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Abstract: The development of a residue hydrotreating catalyst for removing residual carbon was described.
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文摘:本文介绍了渣油加氢脱残炭催化剂的开发概况。 |
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Abstract: The development of analytical techniques of flame atomic absorption spectrometry in China sice 1963 is reviwed with 163 references.
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文摘:论述了我国火焰原子吸收光谱分析技术1963年以来的发展状况，引用参考文献163篇。 |
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Abstract: The development of art design is briefly analysed and then static design, dynamic design,design and environment protection, design thinking and design means, design laws and standards, designprofessional division of work and cooperation of mass
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文摘:以前瞻性的视角，对艺术设计的发展进行了简要的分析，进而对未来的静态设计、动态设计、设计与环保、设计思维与设计手段、设计法规、设计专业分工与群体化合作等作了宏观论述，对未来的艺术设计充满了胜利的信心。 |
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Abstract: The development of slag cement was summaried and the influence of compound admixtures with three components on strength and pore structure of high content slag cement (added content 70%～90%) was studied.
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文摘:综述了矿渣水泥的发展、研究了3组分复合外加剂对矿渣掺量(质量分数)为70%～90%的高掺量矿渣水泥强度和孔结构性能的影响。 |
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Abstract: The development of stealthy materials in the past several d ecades from the Second World War up to now is comp endiously reviewed in this paper.Recent study of new stealthy materials, suc h as ceramic materials and conducting polymer composites
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文摘:简单回顾了从二次世界大战至今几十年间，国外隐身材料的发展历程；系统综述了国外在陶瓷材料、导电高分子材料、晶须材料、纳米材料、手征材料等新型隐身材料研究方面所取得的进展；从耐高温隐身材料、智能隐身材料、等离子体隐身三个方面入手，重点介绍了国外近年来在隐身材料领域的最新进展；并且指出了隐身技术未来的发展方向。 |
