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Abstract: This paper briefly describes the practical application and developmental trend of several semiconductor devices and circuits including power transistors,low voltage proof MOSFET,CMOS switching voltage regulators and single chip power supplies,fr
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文摘:本文从电源的小型化出发，简要介绍几种半导体器件和电路的具体应用情况及其发展趋势，其中包括功率晶体管、低耐压MOSFET、CMOS开关稳压器及单芯片电源。 |
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Abstract: This paper briefly introduces laser direct plate-making technology,its character,several types of plate-making equipment,plate material and imaging mechanism,and also their present applications and perspectives.
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文摘:本文简要介绍了什么叫激光直接制版技术，该技术的特点、制版设备及版材的类型、成像原理以及应用现状和发展预测。 |
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Abstract: This paper briefly introduces the components of structures for both moulded sand bag embankment and moulded concrete bag,its construction and processes.It points out that good economic benefit can be realized by applying this process in shallow
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文摘:简要介绍模袋砂子堤和模袋砼结构的组成及施工工艺等，指出对浅海滩采用此工艺能减小路堤的工后沉降，可收到较好的经济效益。 |
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Abstract: This paper briefly introduces the method of testing the real sensitivity for EED and gives the data processing method in terms of the electrostatic critical ignition energy of conductive-powder EED conforming to logarithmic normal distribution.
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文摘:简要介绍了电火工品真实静电感度的测试方法,以导电药式电火工品静电临界点火能量服从对数正态分布为基础,给出了对应的数据处理方法。 |
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Abstract: This paper briefly introduces the method of the hot correction for large size box beam including the principle and procedure of the correction,the selection of the allocated weight and the drawing method of the burning triangle,etc.
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文摘:本文简要介绍了大尺寸箱形截面梁热校正的方法，包括校正原则及步骤，配重物重量的选择，烘烤三角形的画法。 |
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Abstract: This paper briefly introduces the raw material and manufacturing process used for rotor slot insulation home-production for air cooled turbo generator with ABB technology of Switzerland.
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文摘:简要介绍了我公司引进瑞士ABB公司的空冷汽轮发电机转子槽绝缘制造国产化所采用的材料及生产工艺。 |
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Abstract: This paper briefly reviews the development course of the analog integrated filters.The class,design methods and implementing techniques of the analog integrated filters are given,and then the intended development tendency is proposed.
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文摘:简要地回顾了模拟集成滤波器的发展历程,综述了其种类、设计方法和实现技术,最后,对未来的发展趋势进行了展望。 |
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Abstract: This paper compares central pump room with sepaterating pump room from their usual life,construtural time limits and cost of construction.It points out that in central pump room construction of housing estate's pump room should be adopted .
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文摘:从使用寿命、施工工期、经济造价等方面将小区集中式泵房与分离式泵房建设的优缺点加以比较，指出未来的小区泵房建设应采用集中式泵房. |
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Abstract: This paper concerns studies on rhizobia in Symbiosis with important legume soybean and peanut crops in China, following:1) Summarized bio-diversity of rhizobia, including indigeneous population, isolation frequency, strain type, distribution, an
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文摘:针对我国主要豆科作物大豆和花生的研究成果，并结合本身研究工作内容，(1)总结了与宿主共生的根瘤菌生物学多样性，包括大、小样本的土著根瘤菌群体数量、分离频率、类型与分布及其菌株―宿主共生混交性与亲和性；(2)评述了根瘤菌―宿主植物共生体双边固氮改良，包括优良菌株的选育、宿主品种资源共生特性的评价与利用及特异性状的选择；(3)讨论了我国这一类共生体资源的丰富性以及有必要进一步加大力度研究有益资源的开发和利用的问题。 |
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Abstract: This paper considers the decentralized stabilization problem via local state feedback control laws for a class of large-scale linear discrete-time systems with delay interconnections.A sufficient condition for decentralized stabilizability is de
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文摘:用一组线性矩阵不等式给出一类线性离散时滞大系统分散能镇定的一个充分条件，进而，通过建立和求解一个凸优化问题，提出了具有较小反馈增益参数的分散稳定化状态反馈控制律的设计方法.所得到的控制器不仅使得闭环系统是稳定的，而且还可以使得闭环系统状态具有给定的衰减度. |
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Abstract: This paper criticizes 4 specious propositions about current controversy on theory of value：（1）the proposition that labor is the only resource of value needn't to be verified; (2) value is created by live labor, but distributed by ownerships of p
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内容提要本文剖析了当前有关价值争论中的4个似是而非的命题：（1）劳动是价值的惟一源泉无需证明；（2）价值是由活劳动创造的，价值的分配是按生产要素所有权进行的；（3）价值是在生产过程中决定的，在流通中实现的；（4）价值是一种社会关系，其中不包含任何使用价值原子。 |
