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On the basis of an experimental survey and statistical analysis, this paper has described the group characteristics of the impoverished university students in consumption structures, behaviors and psychology.
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在实证调查的基础上，运用统计分析方法，以非贫困大学生作为对照，从贫困大学生的群体特征、消费结构、消费行为、消费心理几个方面对贫困生的消费现状进行了描述。 |
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On the basis of anal zing structure-activity relationship, the key points and solving methods of synthesizing brassinosteroids are introduced from the synthesis of matrix-cycle and introducing side chain.
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在分析油菜甾醇内酯类植物生长调节剂结构与活性关系的基础上，从母环的合成和侧链的引入两个方面详细介绍了该类化合物的合成关键及解决方法。 |
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On the basis of analysis and synthesis of the two type of different thermal boundary conditions, a method was developed, which can convert the thermal boundary conditions written by the beat transfer coefficient style into the thermal boundary conditions
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摘要在对结晶器传热数学模型中广泛使用的给定铸坯与结晶器界面间热流密度以及给定铸坯与结晶器界面间传热系数两种不同形式的传热边界条件进行分析与综合的基础上，提出把传热系数形式的传热边界条件式转换为热流密度形式的传热边界条件式的方法。 |
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On the basis of analysis for experimental data, the relationship of power between evaporation mass and time for naphtha was found and the average value of the power is about 0.70.
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原油的蒸发几乎不受风速、液池面积的影响，这说明原油的蒸发受边界层条件控制的程度很小，其蒸发速率主要由其自身性质（如分子扩散系数、蒸气压等）所决定，其蒸发过程是受基本蒸发过程控制的。 |
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On the basis of analysis of affected factors, this paper is combined fuzzy math with the theory of AHP to set forward a fuzzy overall evaluation model, which is used in the research of tender evaluation.
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在分析了评标决策的影响因素，将模糊数学方法与AHP（层次分析法）相结合，建立了模糊层次综合评判模型并用于对投标单位的评估的研究。 |
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On the basis of analysis of design Criterion of shaft washer and housing washer of tandem composite type cylindrical roller thrust bearing, we present a mathematic model for optimal design in accordance with line contact requirement for cylindrical roller
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摘要在分析串联组合型推力圆柱滚子轴承轴圈和座圈设计准则的基础上，按滚子与滚道线接触要求建立其最优化设计数学模型，采用机械优化设计中的约束随机方向搜索法计算轴圈和座圈的厚度、厚度变化角。 |
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On the basis of analysis of the measuring results, the reasonable preheating operation regulations are carried out.
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结合测量结果分析了铸坯加热过程的温度制度和供热制度，提出了加热炉合理的热工制度，并应用于实际生産之中。 |
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On the basis of analysis of the structure of the fully-mechanized face system,the reliability of the man-machine-environment system of the fully-mechanized face with the application of neural network and systematic reliability theory is studied,and the an
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在综采工作面系统结构分析的基础上，综合应用神经网络和系统可靠性理论，研究了综采工作面人-机-环境系统可靠性，着重探讨了人和环境系统可靠性分析及预测方法.理论分析和实例计算结果表明，改善综采工作面系统的可靠性不仅在于提高综采设备的可靠性，而且更重要的是通过改善作业环境，提高人员素质和管理水平来提高人的作业可靠性. |
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On the basis of analysis of the theory of mechanical-hydraulic power match system an electro-hydraulic proportional power match system which was suitable for matching TLC900 transporting girder vehicle of the engine was developed according to the driving
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摘要在分析了机械－液压功率匹配系统原理的基础上，根据液压系统驱动力－速度曲线及参数，提出了适用于TLC900型运梁车液压驱动系统与发动机功率匹配的电液比例功率匹配系统，并给出了控制规律及程序流程图。 |
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On the basis of analysis on core competitiveness of railway transport agencies, the essay expounds the necessity and feasibility of improving core competitiveness for railway freight transport agencies, and meanwhile from the aspects of company system, cu
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摘要在分析铁路运输代理企业核心竞争力的基础上，论述了铁路货物运输代理企业提升核心竞争力的必要性和可行性，并从公司体制、客户关系和能力建设等3个方面，提出了提升铁路货物运输代理企业核心竞争力的途径。 |
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On the basis of analysis on the influences of the foundation soil in goafs on the site seismic properties and the plane layout of buildings on the performances of the structural resistance to deformation, this paper puts forward a series of basic design p
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摘要在分析采空区地基土对场地地震属性及建筑物平面布置对结构抗变形性能影响的基础上，提出了采空区建筑物基础设计方案及构造措施。 |
