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Abstract: The paleochannel sandstone-type uranium deposit which can be exploitated by low-cost in-situ leach technology is one of the most economic and competitive uranium resources in recent uranium industry.
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文摘:可采用低成本、原地浸出工艺开采的古河道砂岩型铀矿是当今铀工业中最具经济价值和竞争力的铀资源之一。 |
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Abstract: The paper accounts of the defects in the former design aboutBDK62 series of main shaft-pan system,reforms the defects of the main pan system.
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文摘:叙述了BDK62系列矿井主扇系统原设计中存在的问题，针对这些问题进行了相应的改造，效果良好。 |
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Abstract: The paper analyses the main problems of environment on campus.In the light of the environment design for the front courtyard of No.1 Private Middle School in Shijiazhuang,the author states his view,that is ,the outdoor environment should be mult
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文摘:分析了校园室外环境存在的主要问题,提出了校园室外环境的多层次、多功能和多景观性,并结合石家庄市私立一中办公大楼前庭园的规划设计,阐述了当前校园室外环境建设的新思路. |
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Abstract: The paper analyses the present situation of water resources in Yeji reform and development area, and puts forward some questions and countermeasures.
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摘要:文章对叶集改革发展试验区水资源现状进行分析，指出存在问题及对策。 |
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Abstract: The paper analyses the present technology conditions of HS-WEDM.It is pointed out the important directions to develop the technology of HS-WEDM are using PC based CNC system,applying AI based theories into computer software,bettering machine str
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文摘:分析了数控高速走丝电火花线切割加工技术的现状，指出了其今后的发展方向是：基于PC的数控系统的开发、人工智能(AI)技术的运用、机床设计的改善及多次切割工艺的应用。 |
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Abstract: The paper analyses the principle, adjusting and c ommon fault removing of intermediate frequency power supply with novoltage start ing.
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文摘:分析了零压启动式中频电源的原理、调试及常见故障排除。 |
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Abstract: The paper analysis control requires of the axial-flow compressor.In order to protect axial-flow compressor from the surging,using the programming single-loop adjuster (its kernel is a microprocessor) as the adjuster,comparing with the traditiona
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文摘:分析了轴流压缩机工况的控制要求和控制方案.采用了以微处理器为核心的智能仪表——可编程型单回路调节器作为控制调节装置,与传统的模拟/数字调节器和继电器开关组合的方式比较,系统构成简单,控制功能强,可靠性高,为实现轴流压缩机防喘振控制提供了一种集约式设计方案. |
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Abstract: The paper analyzed the properties of concentric curve, theprinciple and method of setting out stakes of middle-line &sidings on one random station and closed with main points.
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文摘:分析了同心曲线的性质，提出了可在任意点设站测设同心曲线的原理及放样同心曲线的中线、侧线各桩并闭合于各自主点的方法. |
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Abstract: The paper analyzes the implication, function of campus culture, and puts forward the guidance, systematicness, and instructiveness which the campus culture should abide by, and the principles of active support and correct leading, by the means o
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摘要:本文提出了高校校园文化建设要遵循主导性、系统性、教育性、积极支持与正确引导相结合的原则，从营造奋发向上的校风、创建健康优美的校园环境、建立规范有序的管理机制、构建和谐民主的人际关系、开展丰富多彩的校园文化活动等几个方面建设校园文化。 |
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Abstract: The paper analyzes the important effects of Value En gineering Theory on instrument optimal design with the practice of high precisio n deep hole inductance measuring instrument researched by Harbin Gongliang Preci sion Measuring Instrument Co.,
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文摘:以哈尔滨度量精密量仪有限责任公司研制的高精度深孔电感测量仪为背景，分析了价值工程原理在仪器优化设计上的重要作用。 |
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Abstract: The paper analyzes the wear resistance and anti-adhesion of 20 and 45 steel formed in austenitic ion-nitrocarburising and comparisons to the general ion-nitrocarburising.The experiment shows that austenitization -nitrocarburising can be carried
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文摘:研究20钢、45钢经奥氏体离子氮碳共渗后的耐磨性和抗咬合性，并与普通离子氮碳共渗后的作了比较，试验表明:在570～700℃范围内进行离子氮碳共渗后，其耐磨性和抗咬合性以630℃处理时为最佳，660℃处理时最差，而570～600℃处理时则介于两者之间，通过适当提高共渗温度，再提高渗速，从而缩短共渗时间的同时，可以提高耐磨损性能。 |
