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地质调查

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It then proposed the suitable way for ecological environment geology investigation of the environment of animal husbandry of QinghaiTibet plateau,"Natural Synthesis Superpose Mapping".

摘 要:阐述了生态环境地质调查与填图的指导思想及主要内容后,提出了适宜于青藏高原牧业环境下的生态环境地质"自然综合体多属性叠加填图法"的新方法。

In this paper, though the field geological investigations, and studies of element-isotope geochemistry, mineralogy and the geo-chronology, combining with the regional geotectonic analysis, the geochemical characteristics and petrogenesis of the mafic dikes from the coastal areas of Guangdong Province and Hainan Island are discussed, mafic magma episodes and mantle characteristics are analyzed, and the relationships between mafic magmatism and lithosphere evolution are studied.

本论文通过野外地质调查和一系列配套的岩石化学、微量元素、同位素地球化学、矿物学及年代学方法,结合区域地质构造分析,对广东沿海地区及海南岛基性岩脉的地球化学特征、成因、基性岩浆活动期次、地幔源区地球化学特征,以及岩石圈结构特征、形成机理和演化等进行了探索性的研究,得出以下几点认识: 1。

Based on the seismic profile interpretation as well as ground survey and well data, the paper presented structural deformation features of the eastern sector of Altun fault.

在地表地质调查并结合钻井资料分析的基础上,主要通过地震剖面的精细地质解释,对阿尔金断裂东段的构造变形特征进行了系统分析。

Then the failure mode and the coefficient of stability of the displaceable blocks were studied respectively.

主要内容包括:①在野外地质调查基础上,通过统计分析得到地下厂区结构面的优势方位;对结构面工程地质特性进行了分析;根据结构面的空间组合关系,搜索出可能在主厂房洞室的顶拱和边墙部位出露的块体,并分析了各块体的可能滑移方式及其稳定性系数。

And the main contents of this dissertation are:(1)The engineering geological features of discontinuities in surrounding rock mass were analyzed on the basis of field geological survey and the preferred orientation of the main discontinuities were derived. Then the displaceable blocks distributing on the roof and sidewalls of main chamber were searched out taking the intersecting relationship of discontinuities into consideration. Then the failure mode and the coefficient of stability of the displaceable blocks were studied respectively.

主要内容包括:①在野外地质调查基础上,通过统计分析得到地下厂区结构面的优势方位;对结构面工程地质特性进行了分析;根据结构面的空间组合关系,搜索出可能在主厂房洞室的顶拱和边墙部位出露的块体,并分析了各块体的可能滑移方式及其稳定性系数。

Physical and mechanical characteristics of rock and soil disposed from open pit is measured by means of engineering geological survey and hydrogeological survey as well as large amounts of laboratorical and field tests, based on the analyses of geological dates. Slope stability of waste-disposal sites is simulated by intelligential finite element method and predicted by BP nerve network method.

本研究在收集大量资料的基础上,通过工程地质、水文地质调查、勘察,以及大量的现场和室内试验,得出了新桥矿业有限公司露天排土场主要岩土物理力学性质,利用智能有限元方法进行了排土场边坡稳定性分析,并采用BP神经网络方法对边坡的稳定性进行了预测评价,在此基础上,对排土场排土工艺进行了优化研究。

The orthograph maps coded according to certain specification and the geological interpretive maps can directly input the digital explorative apparatus linked with GPS. On the fieldwork the geo-workers can carry out real-time, high-accuracy position and then write down the description of geo-objects, thus the method can greatly reduce labour intensity, enhance the working efficiency and the mapping quality, and improve the research precision, research degree and research cycle of traditional surveying in deed.

按照一定规格编码的数字正射遥感影像地图及其地质解译图可以直接输入野外数字采集器,并与手持GPS连接,在野外现场实时高精度地定点和描述记录,从而大大降低野外地质工作者的劳动强度,提高工作效率和填图质量,真正意义上改善了传统区域地质调查的研究精度、研究程度和研究周期。

This article is on the basis of the predecessors working results. After a thorough and meticulous field geological survey ,it collects a large number of geology information and researches from the regional metallogenic geological background, and focuses on the formation, structure, palaeogeographic environment and mineralization. It describes the nature of the deposit, evolution and the formation of the ancient environment,analysis of the source material,sedimentary environment, advises the genesis point of view and establishes the deposit model,studies the control factors and bauxite ore mineralization, sums up the mineralization law and suggests the favorable prospect of this area.

本文在学习、研究前人各种工作成果的基础上,经过深入细致的野外地质调查,收集大量的地质信息,从区域成矿地质背景研究入手,着重研究了地层、构造、古地理环境与成矿的关系;阐述了西村矿床的性质、演化及其形成时的古环境;分析了成矿物质来源及沉积环境;提出了矿床成因的观点;建立了该矿床成矿模式;研究了控矿因素与铝土成矿关系,总结了矿化富集规律;提出了该区有利的找矿远景。

3D mathematical description and simulation about Complex geological body containing faults has still been researched in the groping phase. According to boring drill core data, section data formed by explanation to seismic section, correlative data obtained by territorial geologic investigation, based on 2D or 3D section, forming rational fault section, then building TIN model of geological body. These are the main technical itinerary.

包含断层的复杂地质体的三维数学描述与模拟,目前仍处于研究探索阶段,其主要技术路线是首先根据钻孔岩芯数据或地震剖面解释而形成的剖面数据以及区域地质调查获得的有关数据,基于2D/3D剖面,形成合理的断层面,然后建立地质体的TIN模型,实现三维计算机模拟[1]。

These findings confirm a 2002 report by the U.S. Geological Survey that was the first nationwide study of pharmaceutical pollution in the nation's rivers and streams.

此次调查结果印证了一份于2002年发布的'美国地质调查'所得到的结果,这也是当时第一份关于国家河流和小溪被药剂污染全国性调查报告。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。