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Abstract: The paper proposes the notion of the complete configuration of unidirectional actuator system to evaluate the control capability of the actuator system and ascribe it to the existence of positive solutions of linear equations.Several characteris
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文摘:提出了配置完整性的概念，用来表征单向执行器系统控制作用的生成能力.并且将配置完整性归结为线性方程组正解的存在性问题,给出了配置矩阵完整性的若干性质和判别条件及其相应的判别步骤. |
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Abstract: The paper rearches into the compactibility and the dilatability of the crushed material of the clayrock in the northwest area of China.
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文摘:以西北某粘土岩的粉碎材料为研究对象，对粉碎土料进行了压实性和膨胀性的研究。 |
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Abstract: The paper recommends a new omni-directional mechanism，which can cross obstacles in its routine.
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文摘:对一种具有越障功能的轮式全方位移动机构——车轮组机构进行了研究，详细论述了机构的组成和设计要求。 |
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Abstract: The paper say the principle and method of standard quantum insertion method used in the precision turn control of the machine arm, issue the method correctness and capability, and give the structure of standard quantum generator and interface me
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文摘:本文叙述了标准量插入法应用于机械臂精密转动控制的原理和方法，探讨了该方法在实现上的技术可行性，给出角度标准量发生器的结构和定位信号的接口方法。 |
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Abstract: The paper shows the application of Lenze EVS9300-EP AC servoposition controller to specified length shearing.
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文摘:介绍了伦茨EVS9300-EP交流伺服位置系统在带材定尺剪切控制中的应用。 |
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Abstract: The paper shows the relative deformation function of the cam mechanism with a roller follower as a linear time-invariant system,and gives the detail about the response limitation for the dynamic design and modification of cam mechanisms.An examp
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文摘:以滚子从动件平面凸轮机构为分析对象，提出了相对变形函数这一新概念，并从理论上对其进行了研究，最后借助于一凸轮机构在不同参数下其摆臂最大相对变形量的数值计算过程与结果，阐述了基于该理论的凸轮机构动态设计与修改的具体实现步骤与方法。 |
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Abstract: The paper studies the important technique and index in application scope， equipment configuration， operating duty， energy consumption， irrigation application efficiency and economic benefit of pipe-sprinkler combined irrigation, and presents the
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文摘:针对管喷结合灌水技术的应用范围、设备配置、运行方式、能耗、灌溉水利用系数以及效益等关键技术及指标进行了探讨，并提出了低压管道和多孔式微喷带结合系统的使用方法。 |
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Abstract: The paper studies the solutions of seamless coverage of 3G wireless networks, including indoor coverage, typical coverage applications of urban and rural area.
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摘要：本文分析研究了3G无线网无缝覆盖的主要解决方案和技术手段，内容涉及室内覆盖、城区中各类典型区域以及农村地区的覆盖解决方案。 |
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Abstract: The paper suggests two methods for adjusting the mesh clearance in cylindrical worm drive:one is to adjust the meshing center distance of worm gears,the other is to use dual lead cylindrical worm, introducing briefly the principle of adjustment
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文摘:提出了两种调整圆柱蜗杆传动啮合侧隙的方法:通过改变蜗轮蜗杆的啮合中心距来改变其啮合侧隙;采用双导程蜗杆传动以调整蜗轮蜗杆的啮合侧隙,简述了调整原理,并比较了两种调整方法各自的特点。 |
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Abstract: The paper summarized the mathematical model and the relation between microstructural changes and mechanical properties.The developing history and trend for the prediction and control technology of microstructure and mechanical properties were ex
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文摘:概述了热轧产品显微组织演变的计算机模型以及显微组织与力学性能之间的关系.简要阐述了组织-性能预报和控制技术的发展历程和发展趋势，讨论了组织-性能预报和控制技术在生产上的应用. |
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Abstract: The paper summarized the present situation of nitrate pollution in some area of our country where the surface water, underground water and vegetable crop were polluted by using nitrogen excessively, put forward some proposals and control counter
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文摘:概述了我国部分地区因过量施用化肥氮而导致对地面水、地下水及蔬菜造成硝酸盐污染的现状；提出了制定《农田施肥污染防治管理规定》等防止农业生态环境氮污染的对策意见。 |
