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Abstract: Based on the fuzzy mathematics,it establishes the rules of the fuzzy reliability design for the bolt-joint set,discusses the effect of pre-tighten force and the axial changing load on the set,and shows an example.
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文摘:将模糊数学理论引入可靠性设计中，考虑预紧力和轴向变载荷状态的影响因素，建立螺栓联接的模糊可靠性设计准则，并给出了设计实例。 |
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Abstract: Based on the gauge theory of various interactions,some new solutions of the gauge field equations are discussed,the potential is introduced,and the relations among the results and limit cycle,various singular points are derived.Finally,it is exp
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文摘:从各种相互作用的规范理论出发，讨论了规范场方程的某些新的解，并引入了势，然后探讨了它们与极限环、各种奇异点的关系，最后论述了这些结果可能具有的粒子性质和相变等物理意义. |
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Abstract: Based on the geological conditions and in-situ investigation of the debris flows happened in June-July,1991,in the Dianchang gully of Bayi town,Tibet,the authors analyse the feature and development tendency of these debris flows in this paper.
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文摘:根据西藏八一电厂沟1991年6-7月暴发的泥石流的地质条件和现场调查，分析泥石流的特征及其发展趋势。 |
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Abstract: Based on the heat equilibrium fundamental theory and the unsteady heat transmit equation,a numerical model of temperature field of an underwater oil storage tank was established.The numerical prediction was obtained and compared with the experim
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文摘:基于对储油罐模型试验和温度场变化规律的大量实测数据，并对相关参数进行优化分析，依据热平衡基本原理和导热微分方程，用有限差分法对非稳态传热进行数模计算，得到了与实验值吻合较好的油罐温度场计算结果，为工程设计提供依据。 |
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Abstract: Based on the hypotheses of three-piece straightening curve.It isverified that the method for using little deformation condition was true with accurate solution of three-piece straightening curve.The mechanics behavior of slab was analyzed in reg
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文摘:基于三段矫直曲线应变速率的假设,通过计算三段矫直曲线的精确解,验证了使用小变形条件的正确性;考虑高温铸坯蠕变性能,对铸坯的力学行为进行了分析,得出了使用三段矫直曲线方法,铸坯应变速率、应力及应变在矫直区内变化较为平缓,可有效避免铸坯内裂纹的形成;使用本文三段矫直曲线精确解,调整辊列位置,可进行连铸机的在线技术改造。 |
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Abstract: Based on the integrated inertial navigation system mainly consisting of inertial navigation system (INS) and electrostatically supported gyro monitor (ESGM),mathematical and hardware-in-the-loop simulation in the course of the development of the
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文摘:本文以用惯性导航系统(INS)和静电陀螺监控器(ESGM)为中心的综合惯性导航系统为背景,讨论了综合导航系统研制过程中的数学和半实物仿真技术。 |
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Abstract: Based on the investigation of geological disasters in Fushun west open pit ,the genetic type and formation mechanisms of geological disasters were analysed in this paper.
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文摘:根据抚顺西露天矿地质灾害及其成灾性的现场调查和室内试验测试数据资料，对边坡地质灾害类型进行归纳、分析。 |
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Abstract: Based on the investigation of the Grylloidea insect resources and the evaluation of cricket's main nutrient components,the ways to develop and utilize crickets scientifically was discussed from the angle of nutritive health.
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文摘:在调查了解济南地区蟋蟀类昆虫资源及其主要营养成分评价的基础上，从营养保健的角度，探讨了科学开发利用蟋蟀资源的途径。 |
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Abstract: Based on the investigation of the engineering geological environment and the displacement monitoring of No.2 landslide at Jindong town, the landslide revival mechanism with the relationship of the landslide revival with the human′s engineering a
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文摘:在对广元市金洞乡Ⅱ号滑坡的工程地质、地质环境进行详细研究和对滑坡复活变形进行监测的基础上，论证金洞乡Ⅱ号滑坡复活变形与采金、建镇平场、库水消涨等人类工程活动之间的相互关系及其复活机制。 |
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Abstract: Based on the investigation of the random demand of the spareparts communication equipment, together with the cost， using Markovian decision programming, the optimizing model of controlling the spare parts inventory is put forward, in which optim
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文摘:在分析通信装备备件随机需求的基础上，结合费用因素，运用马氏决策规划方法，建立了备件随机存储管理的优化模型，并通过模型计算，给出了备件随机存储的最优策略。 |
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Abstract: Based on the literature of PE and experience of teaching andtraining practice,the writers put forward three suggestion:1.Coaches must first understand clearly the nature of speed walking training.They must seek out the characteristics of speed w
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文摘:以文献资料法和教学训练实践经验为主要研究手段，提出3点认识：1.教练员首先必须清楚的认识竞走项目的性质、特点；2.竞走存在短暂双脚支撑消失的事实，高速走是技术训练的重点；3.发展步频是提高竞走运动成绩的主要因素。 |
