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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。 |
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Based on an analysis of causes and basic characteristics of drought in north and south areas of China, it is pointed out that drought in north areas, such as the Yellow River Basin and the Huaihe River Basin, was characterized by the severe systematic dem
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摘要以区域干旱特征分析以及干旱灾害应对策略研究为目的，阐述我国南、北方两种不同地域类型的区域干旱成因和基本特征，指出黄淮海区域的干旱特征主要表现在天然水资源短缺引发的系统性深度供需矛盾，以及晴热少雨气候加剧这种矛盾而产生的持续干旱灾害；南方地区的干旱特征主要表现在晴热少雨气候导致枯水年或连续枯水年出现，以及地理气候特征和供水工程容量不足等因素产生的年内季节性干旱缺水。 |
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Based on an analysis of dynamic conditions for migration and precipitation of gold grains in water system and their diffusion in soil, this paper has advanced a discriminant formula for surfacce ore potential of gold anomalies from 1:50000 stream sediment
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摘要在分析金粒在水系中运移、落淤和在土壤中扩散动力条件的基础上，本文建立了五万分之一水系沉积物测量金异常地表含矿性的判别公式，阐述了推算异常内矿石最高金品位的方法并计算了秦巴地区的判别指数；总结出万分之一土壤测量矿致金异常的标志特徵、矿体定位的估算公式及各级次地形坡度角的系数和常数。 |
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Based on an analysis of groundwater pollution situation, the harmful result, causes and the pollution channels, the authors put forward a series of countermeasures, such as the tackling of three wastes, the restriction and suspension of exploitation, the
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摘要在对许昌市2000~2004年地下水水质污染状况、危害、原因和途径分析的基础上，及时采取治理“三废”、限采停采、分层开采、引水补源等防治对策。 |
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Based on an analysis of several kinds of typical libraries of virtual reference service, by on-site inspection, the author puts forward some rationalization service: individuality, one station, self-service of one's accord, the cooperation virtual referen
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摘要基于几种典型的上网图书馆设置虚拟参考咨询项目的分析，通过对多元化虚拟参考咨询服务方式整合，提出了个性化、一站式、自导式及协作式等虚拟参考咨询多元化服务模式。 |
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Based on an analysis of some new advances in seismic research of arch dams, some suggestions were made, such as to further perfect the study of seismic response of the darn, water and foundation integrated system by means of dynamic analysis technique, to
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在分析高拱坝抗震研究最新进展的基础上，提出进一步完善用动力分析技术研究坝、水、地基综合系统的地震响应、更新抗震设防理念、建立不均匀地震动模型、加强抗震工程措施的有效性研究等建议。 |
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Based on an analysis of the common problems with the academic paper writing of graduate students and the drawbacks in the teaching contents and teaching methods, this paper suggests the innovation of teaching ideas, reform of teaching methods and adjustme
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摘要分析了现阶段研究生学术论文存在的问题和目前研究生论文写作教学内容和教学方式的弊端，提出了要更新教学观念，改进教学方法，调整教学内容，在提高研究生论文写作水平的同时要注重培养创新能力、发现问题和解决问题的能力、搜集和处理资料能力、书面表达能力等。 |
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Based on an analysis of the formation mechanism of induced current in underground pipelines, the author holds that, where underground media show very poor conductance, underground pipelines are dominated by magnetic dipole lines, and where underground med
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摘要通过对地下管线中的感应电流形成机理分析，本文认为，当地下介质导电性很差时，地下管线以磁偶极线为主；而当地下介质存在一定的导电性时，管线则等效于电流线。 |
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Based on an analysis of the geochemical environment for the formation of major copper deposits within the distributive area of Bikou Group in southern Gansu, it is held that in West Qinling Mountain area, the indicator elements of various types of copper
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通过对甘肃南部碧口群分布地区主要铜矿产出的地球化学环境的分析认为，西秦岭地区各类型铜矿指示元素反映的是相应铜矿类型的区域地质建造，最佳指示元素则反映的是含矿地质建造。 |
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Based on an analysis of the main problems arising from the introduction of multimedia technology into the existing monitoring master station, the design of the multimedia master station system is proposed.
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在分析了多媒体技术引入当前自动化系统监控主站后存在的主要问题的基础上，提出了多媒体主站系统的设计方案。 |
