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Abstract: Based on the analysis of the mathematics models of saturation steam density and superheat steam density the paper states that the deviation of the detection on temperature highly affects the accuracy of intelligent flow totalizer.Especially for
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文摘:在分析饱和蒸汽和过热蒸汽密度的数学模型的基础上指出，温度检测的偏差对智能流量积算仪的精度影响极大，尤其是饱和蒸汽，测温电路的精度应设计为远高于仪表的精度，同时引入一种基于比率法的高精度测温电路。 |
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Abstract: Based on the analysis of the physical structure,operati ng principle and dynamic characteristics of the power unit of an excitation cont rol system,a model of this power unit is firstly established with bond graph app roach.The operation of this
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文摘:在对同步发电机自并励系统功率单元的物理结构、工作原理及动态特性进行分析的基础上，建立了励磁功率单元分布式物理图网模型，并在MATLAB的Simulink平台上对励磁功率单元正常和几种故障情况下的工作进行了仿真研究，并与实际工作情况进行了比较. |
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Abstract: Based on the analysis of the present situation and main existing problems in Chinese herb drying, the developing trends in the field, principles of new drying technologies such as vacuum-freezing, microwave, infrared radiation and heat-purnping
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文摘:通过对我国中草药干燥现状及主要存在问题的分析，提出了中草药干燥的发展趋势，阐述了真空冷冻、微波、远红外、热泵等新型干燥技术的应用原理，中草药干燥前预处理的重要性，并对中草药干燥发展的现实意义及市场前景进行了讨论。 |
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Abstract: Based on the analysis of the pressing properties of loading materials for initiating explosive device,a system of automatic explosive pressing device was developed with the theory of intelligent control, so the automation of the pressing process
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文摘:在分析火工品药剂压药特性的基础上，结合智能控制理论，研制了一台自动压药机系统，实现了压药工艺过程的自动化，大大提高了压药密度的一致性。 |
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Abstract: Based on the analysis of the traditional methods for predicting the amount of gas gushed from mine, Model GM (1,1) of the gray theory is applied for this prediction, and is well rectified in practice.
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文摘:在分析了传统的矿井瓦斯涌出量预测方法的基础上，应用灰色系统理论GM（1，1）模型，对矿井瓦斯涌出量进行预测，并在实际中得到了较好的验证。 |
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Abstract: Based on the basic geology this paper determines the development history of Kailu basin, and comprehensively analyses hydrogeologic conditions and hydrogeochemical characteristics, as well as the uranium concentration in groundwater, determines
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文摘:本文从基础地质条件出发，界定了开鲁盆地的发展历史，全面分析了研究区的水文地质条件、水文地球化学特征及地下水的含铀性，确定了在整体坳陷期形成的姚家组和四方台组区域承压含水层的找矿意义。 |
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Abstract: Based on the basic principle of reflection and transmission in the process of the propagation of logitudinal wave, this paper recounts a new theory and method for the application of pile body completeness inspection data with reflection wave met
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文摘:从纵波传播过程的反射和透射的基本原理出发，介绍了反射波法桩身完整性检测数据在频率域中定量确定视反射系数和反射波往返时间的一种新的理论和方法。 |
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Abstract: Based on the brief introduction of the ohgin,distribution and the collection and conservation of the germplasm resources of apricot,mainly on the variety classification,pollination biology,evaluation of palynology and molecular biology,the genet
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文摘:在简要介绍杏的起源、分布及种质资源收集保存的基础上，着重对杏品种资源的分类、授粉生物学、孢粉学及分子生物学评价以及杏杂种后代遗传变异特点、育种目标及育种技术进行了综述，并提出了今后的研究方向。 |
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Abstract: Based on the cases from home and abroad, the article lists seven principles of enterpriser marketing and the means to prevent the seven major traps.
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摘要：综合国外、国内的若干实例，提出了企业家营销的七大要领，以及要防止陷入的七大误区。 |
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Abstract: Based on the comparison between the prescriptions of Zhongjing's Prescriptions and Jotting Prescriptions, it can be seen that Xiao pin fang (Jotting Prescriptions) in many aspects,reflecting partly the tendency of changes in prescriptions from t
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文摘:比较仲景医方和《小品方》所载方剂，可知《小品方》在继承仲景医方的基础上，又在多方面有所发展，这些发展可部分反映东汉至南北朝刘宋时期200年间方剂变化的趋势。 |
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Abstract: Based on the concept of space migration length of photo-activation species,the analytical expression of the total number N of photo-activation species that can reach a segment on the substrate in the cubic deposition reaction space is derived.Th
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文摘:基于光激活物质空间迁移长度的概念，推导出方形反应空间中到达基片上单位面积的光激活物质总数的解析表达式，对光化学汽相沉积中淀积速率和基片位置的关系进行了模拟和分析.模拟结果同实验结果符合良好. |
