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In this paper, based on the inconsistency between the planning design of power station and operating performance of hydro-turbine, the technical feasibility and influence on engineering practice of the maximum output setting (MOS) as a solution have been
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摘要为解决水电站规划设计与水轮机运行特性之间的矛盾，分析了在高水头下可能引起的机组运行问题，以及采用设置最大出力作为预防措施在技术上的可行性和对工程的影响，对清江水布垭电站机组设置最大出力的设计优化进行了介绍。 |
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In this paper, based on the nonlinear time history analysis of the seismic response of the overall bridge model, the performances of three kinds of the girder end constraint systems for the bridge, such as the free movement device, liquid viscous damper a
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通过全桥模型的地震反应非线性时程分析，从抗震角度对梁端自由、梁端设置液体粘滞阻尼器以及设置锁定装置3种梁端约束体系下的性能进行比较分析，选定了液体粘滞阻尼器，从保护反力墙，并使其安全系数与阻尼器安全系数匹配的角度确定了粘滞阻尼器的参数。 |
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In this paper, based on the steady cornering model using tire modal parameters directly, a finding is illustrated by both theoretical derivation and computation that the effect of tread stiffness on the prediction accuracy of steady cornering model is lar
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文中以模态参数模型的稳态侧偏模型为基础，从理论推导和实际计算两方面说明胎面花纹刚度的重要性，其对侧偏模型计算结果的影响要大大高于对垂直模型的影响。 |
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In this paper, based on the studies on the typical cases as “3.29liquid chlorine transport accident, the main causes of liquid chlorine tank car transport accidents are analyzed from four aspects: human factor, tank car status, road status (envi-ronment)
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本文结合“3.29”液氯泄漏事故等典型事故,从人、车辆及罐体、道路环境和管理四个方面分析归纳了导致液氯槽罐车公路运输事故的主要原因,并提出相应的建议措施。 |
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In this paper, based on the theory of EHL (Elasto-hydrodynamic Lubrication), a study is conducted to investigate the impacts of geared factors (including gear speed ratio, gear teeth modulus and center distance) on the lubrication behavior of gearing, and
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应用弹性流体动力润滑理论，计算分析了传动比、模数及中心距等齿轮参数对齿轮副润滑性能的影响，得出了一些有益的结论。 |
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In this paper, based on the theory of extenics, the matter-element model for the stability evaluation of stope roof of the underground mine is established and the stability of No. 92 orebody in TongKeng mine of DaChang is evaluated.
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利用该理论建立了地下矿山采场顶板稳定性评价的物元模型，对大厂铜坑矿92号矿体实际采场顶板稳定性进行了评价。 |
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In this paper, based on the tide, tidal current and ocean wave numerical computing techniques and the constructive method of seabed terrain model, the fusion and visualization of multiple digital marine geographic environmental information for the nearsho
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摘要以潮汐、潮流和海浪数值的计算技术和数字海底地形模型的构造方法为基础，应用层次细节模型和三维渲染技术，完成了近岸海洋环境保障的多种数字海洋地理环境信息的融合与可视化的局部实现，为今后此领域的研究提供了理论和经验基础。 |
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In this paper, based on track irregularity spectrum and time delay between axles, control laws of railway vehicle secondary active suspension are designed according to optimal control theory, and simulated on a vertical railway vehicle model.
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摘要针对铁道车辆二系主动悬挂，考虑了轨道不平顺谱及轮轴时延的输入；依据最优控制理论，设计了整车的主动悬挂控制规律，并在整车垂向动力学模型上进行了仿真分析。 |
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In this paper, based on virtual prototype of workspace determination for parallel manipulator, a new method is put forward and analysed.
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摘要提出了基于虚拟样机的并联机器人工作空间的求解方法，分析了其实现过程。 |
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In this paper, basic transmission modes of electro-magnetic wave are discussed, the features for three transmission methods namely solenoidal, toroidal and direct coupled are analyzed in comparison.
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概述了电磁波发射传输的基本方式，对比分析了螺线管发射、环形线圈偶合与直接偶合方法的特点。 |
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In this paper, bioremediation technology of contaminated soil with organic pollutants was summarized, which were technologies of the microorganism remediation, the phytoremediation and the mycorrhiza remediation for contaminated soil, the future developme
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摘要综述了有机污染土壤生物修复的三种技术，即微生物修复技术、植物修复技术、菌根生物修复技术及其研究现状，并展望了这三种生物修复技术今后的研究方向，如利用表面活性剂提高植物修复效率时，应考虑其最佳使用量；加强研究根分泌物在植物修复土壤污染中的作用；进行植物－微生物联合体筛选技术研究；筛选促进污染物降解的优良菌根菌种等。 |
