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Abstract: This paper mainly utilizes the methods of formula, isometric transform, cut and complement, extremes and analyzing special section to calculate the volume in solid geometry.
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摘要:文章探讨了用公式法、等体积变换法、割补法、极值法、分析特殊截面等方法求立体几何中几何体的体积。 |
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Abstract: This paper makes a detailed analysis on the economic disaster caused by the international floating capital for the economic crisis of Southeast Asia, and puts forward some corresponding preventive measures.
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文摘:文章对国际游资给东南亚经济危机带来的经济灾难做了较详细的分析，并提出相应的防范措施。 |
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Abstract: This paper makes analysis and research from microscopic mechanism on the test data of each performance index of the ultra-high-performance concrete prepared with common local raw materials.
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文摘:本文对以本地普通原材料配制的超高性能砼的各项性能指标的测试结果从微观机理上进行了分析研究。 |
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Abstract: This paper makes several conclusions after building up and analyzing the fault-tree of one typical electrical control system which is a part of the DCS in one polymer plant.Moreover,this paper tries to apply FTA to the troubleshooting,reliabilit
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文摘:对某涤纶厂的一种典型电气控制回路建立故障树并对其运用最常用的三种基本故障树分析方法，尝试扩展故障树在故障判断和改进控制回路可靠性方面的应用，得出几个有针对性的初步结论，在形成电气控制回路故障树分析的基本认识和利用故障树解决问题等方面有所帮助。 |
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Abstract: This paper mtoduces a new 3-dimension reality plastic injection nolding flow simulation method,analyses the difference between it and old method and describes the advantage of the new one.The paper also describes the key problems of the new meth
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文摘:介绍了一种新颖的三维真实感流动模拟技术，分析了它与传统方法的区别及所具有的优点，同时讨论了实现该技术所要解决的关键问题，并给出了解决方法。 |
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Abstract: This paper not only dissertates the system structure and manufacture process of boiler ash-blowing program control equipment in thermo-electric power plants, but also presents hardware make-up, main functions and software design of microcomputer
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文摘:介绍火电厂锅炉吹灰程控装置的系统组成和生产工艺流程，微机PLC控制系统的硬件构成、主要功能和控制软件的设计。 |
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Abstract: This paper outlined basically the history of developing the rice planting machine.The present situation of the rice planting machine was described.And the existing problems were analyzed.Based on the above analyses,the developing priniciples &am
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文摘:该文概述了我国水稻种植机械重要发展历程，描述了我国水稻种植机械现状，分析存在的问题，从我国的国情出发提出了我国水稻种植机械的开发原则和技术对策。 |
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Abstract: This paper outlines a project as a case study in the general and practical way to deal with the problems on the structural design of the tall building.
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文摘:通过一个高层建筑的工程实例，介绍高层建筑设计中经常遇到的设计问题的解决方法. |
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Abstract: This paper outlines the normal and reversal imaging mechanism of Dual Positive-Negative Diazo Duplicating Film,the accurate choice of reversing agents,measures for increasing the image density and operation methods for dual exposure from film bo
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文摘:本文讨论了异同像混用重氮胶片的成像原理、反转成像机理及反转剂选择原则，提高图像密度的辅助措施、以及高密度胶片的双面曝光方法等技术问题，通过综合运用上述技术措施，研制成功了一种可满足实用要求的兼有异像和同像两种复制特性的重胶片新品种。 |
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Abstract: This paper overviews the origins,basic ideas and objctives of the command and control reference model,analyses and explains the models architectures and run processes.
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文摘:综述指挥控制参考模型的起源、基本思想和目的，分析和阐释该模型的体系结构和运行过程。 |
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Abstract: This paper points out that the properties of casting t reated by vibrating ageing is superior in comparing with that in the as ca st state and heat ageing state through analyzing the residual tress distri buting,mechanical properties and resista
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文摘:对铸件的铸态、热时效态和振动时效态在内应力分布，力学性能及抗变形能力方面的特性进行分析对比，发现振动时效态均优于前2者。 |
