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Based on abundant statistic data and photographs of seeping-type uranium deposits at the southern margin of Ili basin, detailed description is given of the oxidation-migration of organic matter during seeping of oxygen-bearing water, secondary alteration
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摘要采用伊犁盆地南缘渗入铀矿床中的大量统计数据、图片等资料，论述了在层间渗入型铀矿床中，有机质在含氧渗流水作用下，发生氧化迁移，岩石中的矿物次生蚀变，并在地球化学还原障上产生铀及伴生元素的富集，形成后生渗入铀矿床的过程。 |
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Based on actual data processing and analysis data comparison for oil testing water in individual layer, the results show that this method can effectively obtain resistivity value of formation mixed fluid.
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通过实际资料处理和单层试油水分析资料对比，结果表明该方法可有效求取地层混合液电阻率值。 |
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Based on adoption of worldwide advanced parts and components of heavy duty trucks, Steyr series heavy duty truck featuring modularization, seriation, strong power, high reliability, low fuel consumption, low noise and low emission, is the only vehicle who
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斯太尔系列重型车,采用世界真正重型汽车零部件总成，具有模块化、系列化、优势动力强劲的优势，可靠性高，低燃油消耗，低噪音、低排放，是国内唯一全面引进并批量投放市场的系列化主要汽车。 |
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Based on advanced equipments, RECCOTEK has been serving our customers with high quality, shorter lead time and competitive price.
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公司装备优良，拥有全套金属注射成形生产和检测设备，为客户提供质量优越、交货准时且价格极具竞争优势的服务。 |
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Based on aerodynamic theory and the characteristics of the shockwave around a supersonic projectile, the article constructs a mathematical modeling of a L-shaped vertical target for projectiles shooting with forward direction and any direction, and analyz
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摘要本文根据空气动力学理论和超音速弹丸的激波特性，建立了在使用L型立靶基础上正向射击和任意角度射击时的数学模型，并进行了误差分析，提出了减小误差的修正方法。 |
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Based on agency theory, the paper investigates the relationship between ownership structure and financial constraint level of listed companies in Chinese group corporation.
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摘要本文从大股东代理问题角度，分析了中国企业集团控股股东股权结构与上市公司融资约束水平之间的关系。 |
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Based on all previous hydrological data surveyed since 1998 when the Yangtze Estuary deep water channel regulation engineering was commenced, this paper analyzes the salinity's variation in the north channel in recent years from various points of view.
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摘要根据1998年长江口深水航道治理工程开工以来的历次水文测验资料，从各个角度分析了近年来北槽航道内的盐度变化。 |
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Based on an Urban Forest Conservation in Jiufeng which is located at Wuhan and with an ecotourism function, remote sensing and field survey was used to establish environment database for the surface water environment planning since the non-point pollution
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摘要武汉九峰城市森林保护区是以九峰山和马鞍山森林公园为基础，整合周边山体、植被等自然资源，建成的具有生态旅游功能的城市森林保护区。 |
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Based on an actual engineering example and ANSYS numerical analysis, this article studies the characteristics of the rigid composite foundations when the cushions selected.
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摘要根据工程实例的土质情况建立计算模型，通过ANSYS三维有限元的数值分析，研究了在竖向荷载作用下，褥垫层厚度、模量对刚性桩复合地基工作特性的影响。 |
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Based on an actual project, tests and analyses the heat exchanging performances of the vertical U-shaped ground heat exchanger, and obtains the heat release in summer and the heat absorption in winter of ground heat exchanger for unit well depth and the o
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摘要根据工程实际情况，对竖直U形地埋管换热器的换热性能进行了现场测试和分析，得出了单位井深地埋管的夏季散热量、冬季取热量及最佳地埋管钻孔深度。 |
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Based on an algorithm for solving the time-dependent coefficients nonlinear differential equations numerically, computer software is developed which has an easy-to -use interface.The dynamic response to elastic deformation and stress in key parts and forc
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在研究求解该时变系数非线性微分方程组数值解法的基础上，开发了具有良好人机界面的仿真软件,可以计算出多种参数和工况条件下关键点的弹性位移、应力和运动副反力的变化规律。 |
