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Are not terms of microphysics. In fact, not a single example of an analysis of a non-microphysical term in terms of microphysics is given by either Jackson or Chalmers. The most plausible candidates for a priori analyses are ones in which analysand and analysandum involve the same "family" of terms.
首先注意到,"消化"等不是微观物理术语,事实上,根据微观物理学对非微观物理术语的分析例子,在Jackson和 Chalmers那里并没有给出;先天分析的似乎最合理的候选者是那些分析物和被分析物含有相同的术语"家族"。
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The basic approach of protecting people from being hurt or killed in an accident is to improve crashworthiness of vehicles. This paper starts with discussing theories and methods for vehicle passive safety design, which included experiential methods, analytic methods, multi-body dynamics methods, crash test methods and the finite element method. Emphasis will be paid to the basic FEM theories and algorithms of impact problems. Topics discussed include the governing equation, element discretization, hourglass control, time integration, material model, shell element algorithms and contact-impact algorithms. For more reliable simulation results, this paper then conducts study on how to accurately get material model parameters by combining the FEM method with experimental method, and develops relevant material test machine and parameter calculating software. Based on that, basic typical impact simulation and test validation study are conducted. On the basis of the above work, the paper studies the thin-shell structures'crashworthiness, which was affected by the following factors: spot-weld features, shell thickness, cross-section and pre-deformation. As to vehicle parts'crashworthiness, the paper conducts simulation study of designing energy-absorbing steering system and adaptive airbag system. A practical energy-absorbing steering wheel is designed as an example. In further depth research, the paper suggests several inverse quantificational methods for vehicle crashworthiness design based on the ideal crash characteristics. The above theories and methods are applied with good results through several practical vehicles' crashworthiness design and improvement.
文中对汽车碰撞安全性的设计理论和方法进行了归类和总结,其中包括经验法、解析法、多刚体动力学法、试验法以及有限元方法等;重点介绍了碰撞有限元法的基本理论和有关算法,涉及到有限元求解控制方程、单元离散、沙漏模态控制、时间积分、材料模型和应力修正、薄壳单元算法以及接触碰撞界面算法等,探讨了有限元计算中的材料模型参数获取技术,开发了相应的材料试验装置及材料模型参数反求软件,在此基础上进行了基本的碰撞仿真算例和试验对比研究;文中通过应用有限元方法研究了薄壁构件的碰撞吸能特性,指出了设计薄壁吸能构件时需要考虑的几个主要影响因素,即焊点、壁厚、横截面和预变形等;在关于车辆部件的碰撞安全性能设计中进行了吸能转向机构和自适应安全气囊的仿真研究,提出了吸能转向机构和自适应安全气囊的仿真研究方法;文中最后探讨了整车碰撞性能的设计与改进方法,提出了以理想碰撞特性为目标,采用分段加速度或者根据碰撞时间进行设计的反推设计法、部件吸能仿真优化设计法等量化设计方法,并通过综合应用文中所讨论的相关技术进行了整车碰撞性能的设计与改进实例研究,所选定的车型是大众化的普通轿车和碰撞安全性基础较差的微型面包车,研究结果表明,本文所提出的设计与改进方法是适用而有效的,具有重要的工程实用意义和价值。
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For example of manufacturing enterprises in domestic, constructing the performance indicators of staff and manager in some departments through job analysis, and using Analytic Hierarchy Process to set weight and key performance indicators determination.
以我国制造业企业员工结构为例,通过工作分析,构建了制造业企业各部门员工和经理的绩效指标,并采用层次分析法确定指标权重和关键绩效指标。
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Then, with the large state-owned enterprise-Yanzhou Coal Mine in Shandong Province as an example, we use Analytic Network Process to set weights of different indicators. At last, we make comprehensive appraisals on corporate social responsibility performance with the method of expert scoring.
然后以山东省属大型国有企业—兖州煤矿为实例,运用网络层次分析法确定了不同指标的权重,并运用专家打分的方法对该企业社会责任绩效进行综合测评。
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This paper introduces briefly the evaluating index system of enterprise's Marketing ability, determines the weight of dynamic evaluating index of the Marketing ability of enterprise by using fuzzy set theory and analytic hierarchy process, and illustrates its usage connecting with the actual example.
简述了企业市场营销能力评价指标体系,采用模糊集合论和层次分析法确定了企业市场营销能力动态评价指标的权重,并结合实例说明了其使用方法。
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A complete set of check-up facilities is available (for example, refrigerator system water-detecting meter, tensile testing machine, analytical balance and so on). Strict and scientific test and quality control procedure guarantee high grade products and high appraisal from customers.
配用全套检测设备(如冰箱系统测水仪、拉力试验机、分析天平等等),以严格科学的质量检验和质量控制程序,确保了公司产品的高质量,并得到客户的高度认可。
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In this example, the user has access to three Google Analytics accounts.
在这个例子中,用户可以访问的三个谷歌Analytics帐户。
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We can be an example to analyze.
我们可以一个例子来分析。
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Except Ananas comosus, which is regarded as fruiter, other species have ornamental value. For example, the tank Bromeliads and silver-leaf tillandsia have already become new species in the international market.
除菠萝外,其它种类都具有较大的观赏价值,其中积水型凤梨和铁兰银叶种已成为国际市场上的新型花卉。
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A pragmatic exploration of anaphoric repair in conversation;2. And from this point of view,taking anaphoric repair as an example,repair function of RD has been scrutinized.
在Geluykens的广义右偏置结构范畴的基础上,把对右偏置结构的探讨延伸至人际会话语篇,提出一个用以充分考察其等级性特征的等级连续体;并在此基础上,以照应修正为例,对这一句法结构的修正功能进行深入的探讨。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。