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Abstract: Growing background of EDM with linear motor servo system is explained.The features of linear motor servo system is analyzed.And some technology about them is discussed.
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文摘:阐述了直线电机拖动的电火花成形机的产生背景，分析了直线电机伺服系统的特点，并讨论了与之相关的技术问题。 |
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Abstract: Guangdong is richer in water resocurces, but the dis tribution of wich is not uniformity in time and space, the regulating propties o f the water projects are lower, and the utilizations of water resources are not full.The contradictionaries of
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文摘:广东省水资源虽然比较丰富，但时空分布不均，且水利工程的调节性能较低，水资源的利用不充分，水的供需矛盾仍然存在。 |
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Abstract: H2S corrusion protection is a key technique in developing souroil field. The paper discusses such issue based on the successful experience in Nanhai W11-4 Oil Field.
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文摘:防硫化氢腐蚀是开发含硫化氢油田的关键技术。结合南海涸洲11-4油田脱硫化氢防腐蚀的成功经验，探讨海上油田防硫化氢腐蚀的问题。 |
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Abstract: Harmful algae can do great harm to organisms even to human through food chain by accumulating in shellfish and fish or by themselves.
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文摘:有害藻类自身或通过食物链在鱼类、贝类等生物体内蓄积，对生物直至人类产生危害。 |
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Abstract: Have connected with IR target signature research, this paper deals with the principle and realization for the IR imaging terminal-guidance technology of an air-to-air missile in clutter backgrounds.The radiation signature of clutter earth backgr
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文摘:本文结合对目标红外特性的研究,论述了在复杂背景条件下空-空弹红外成像末制导技术的原理和实现,分析了地面背景的辐射和散射的特征;综合分析了军用喷气式战斗机作为主要被攻击对象的红外辐射特性,并给出了目标红外特征提取的多种方法和算法. |
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Abstract: Having analysed the inadequacy of the traditional education model in cultivating the pupils' ability of making innovations,the author puts forward the proposition of the new education model:taking learning as the principal thing.Then,the essay e
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文摘:本文从分析传统教学模式对于学生创新能力的培养存在不足入手，提出了“以学为主”的新的教学模式的构想，并阐述了这种教学模式的主要特点以及运用“以学为主”教学模式应注意的问题，从理论上证明了“以学为主”的教学模式是院校教育系统改革的一个重要环节，也是开展以“创新教育”为核心的素质教育的必然要求。 |
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Abstract: Having conducted investigation into problems related to the macro development of exploitation of Pearl River Valley's water power resources，the authors discuss water power resources of the valley and conditions and level of their exploitation an
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文摘:对珠江流域水能资源开发利用宏观发展有关问题进行了研究，着重论述本流域水能资源及其开发利用条件和开发程度，根据各省(区)经济发展、电力规划和区域电网结构建设的可能性，探讨21世纪前期，重点是21世纪前20年开发的战略部署。 |
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Abstract: Heat-resistant commercial electric detonators applic able to mines were studied.The detonator can be used under the mine when the hig h temperature coal layer in the fire area was exploited,and the performance of i ts resistance to the heat has
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文摘:研究了适用于煤矿井下火区高温煤层开采的具有一定耐热性能的工业电雷管，并对其耐热性能进行了测试。 |
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Abstract: Heilongjiang Province is a typical seasonal frozen earth area in our country.The dynamic variation character of groundwater table in the province differs due to the effect of frozen earth.During application of the dynamic information,especially
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文摘:黑龙江省是我国典型的季节性冻土区，受其影响，地下水位动态变化特征有其特殊性，故在动态资料分析中特别是在地下水资源计算参数的确定上应引起注意。 |
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Abstract: Higher fatigue strength for the thermal and mechanical load were demanded by the heavy duty engine piston due to the critical requirement of the engine.
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随着发动机强化程度的不断提高，要求活塞具有更好的抗机械疲劳性能和抗热疲劳性能。 |
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Abstract: Highway communication is an important physical factor for small towns' development .People should make a lead plan for the space correlation between highway and small towns' development for the purpose of optimizaion and beautification of small
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文摘:公路交通是小城镇建设发展的重要物质因素，要超前规划好公路和小城镇发展的空间关系，使城镇环境优化、美化。 |
