查询词典 geologic time

Grouting reinforcement construction technology for the soft rock of coal bin ;2. The geologic conditions of coal bin and selection conditions of coal bin support are introduced.

介绍了煤仓的地质条件、煤仓下口支护方案的选择条件及煤仓仓身的施工过程，详细阐述了锚杆支护设计参数的选择过

According to the relevant datums and field investigations, the paper makes No. 316 national highway in South region as research region to analyze the conditions of inoculating disasters and slope s transform destruction model and draws such conclusions:(1)Many factors such as terrain, geomorphic, lithosome and solum character, geologic structure, neotectonic movement, rainfall condition, groundwater trait, anthropokinetic and so on influence on the study region, which make the geological disasters occurred frequently and generate enormous hazards.(2)The geological disasters have such distribution characteristics: terrain and tectonic make geological disasters development of osculating correlated property, relative concentrate property, packet property, periodic property and so on.

本文首先在搜集相关资料和野外调查的基础上，以陕南316国道公路为重点研究区，全面分析了研究区域内地质灾害的孕灾条件与斜坡变形破坏模式，得到了以下认识：(1)研究路段地质灾害的发生发展主要受控于区内地形地貌、岩土体特性、地质构造与新构造运动、降雨条件、地下水特征及人类工程活动等因素：(2)研究路段发育滑坡、崩塌、泥石流和危险斜坡等四种地质灾害，具有如下的分布特征：地势与构造对地质灾害发育的密切相关性、相对集中性、群发性、周期性等；(3)研究路段斜坡地质灾害主要有六种变形破坏模式分别为：顺层滑动破坏、蠕滑—拉裂变形破坏、弯曲—拉裂—剪断破坏、旋转式滑移—拉裂破坏、楔形体滑动破坏、堆积层沿基岩面的滑动破坏模式，而且斜坡灾害的变形破坏往往是多种模式的组合。

The results show that the present convergence rate of the India plate is 21.8 mm/a with a dipping 8.1°to the north. This is in good agreement with various geologic predictions of 18mm/a in past 2～3 million year implying a stable convergence rate of the India plate in a very long duration.

本文 结果与从地质推断的在过去2～3Ma时期内，印度板块向欧亚大陆俯冲速率平均为18mm/a，有较好的一致性，表明在较长时间内，印度板块向欧亚大陆俯冲的速率仍然是稳定的。

For the case of Zhang-Long expressway Shi Kongsban No.Ⅱ section high rock slope, on the basis of the systematic analysis of engineering geologic properties, Stereographic polar projection method, and Finite Element Method are used in comprehensive evaluation and systemic analysis, by which the slope stability results are obtained, and then are accepted and adopted by design and construction corporations.

针对漳－龙高速公路石崆山Ⅱ段岩质高边坡工程，在系统分析边坡工程地质特性的基础上，采用赤平极射投影法和有限单元法等，进行综合评价和系统分析，获得的稳定性结论，已正常运营使用若干年，反映了系统分析，综合评价方法是成功和有效的。

Starting from the study on 8 typical, open and sealed faults in Yanqi Basin, by using integral seismic-geologic methods, such as fault stress analytical method and fault smearing method, it is found out that the critical values of the fault as it is vertically and horizontally opened and sealed are 0.3333 MPa and 5 MPa respectively. It is pointed Out that because times and vertical and strike positions of the fault are different, the fault seal properties are different.

从焉耆盆地所开展的8条比较典型的开启或者封堵的断裂的研究入手，利用地震地质综合研究的方法―"断面应力分析法"和"断面物质涂抹法"，发现该盆地内的断裂在横向上和垂向上开启或者封堵时的"临界值"分别为0.3333和5 MPa，指出断裂的封堵性因其形成的时间、垂向上所在的部位和走向上所在的位置等方面的不同而不同。

Subaqueous DC resistivity and IP sounding can be used to detect geologic bodies in close quarters to improve the resolving power.

水下的电阻率测深和激电测深均可对水底地质体进行近距离探测，提高探测分辨率。

The study makes known that regional geochemical pospecting anomaly should be integrated with its geologic setting and supergene geochemical environment when we evaluate it. This will be beneficial to improving the level of gold ore geochemical exploration and promoting prospecting efficiency.

研究表明，在对区域化探异常评价时，应将它与所处的地质、表生地球化学环境作为一个整体看待，将有利的环境标志转化为异常的评价指标，提高金矿勘查水平和找矿效率。

The study makes known that regional geochemical pospecting anomaly should be integrated with its geologic setting and supergene geochemical environment when we evaluate it.

研究表明，在对区域化探异常评价时，应将它与所处的地质、表生地球化学环境作为一个整体看待，将有利的环境标志转化为异常的评价指标，提高金矿勘查水平和找矿效率。

The rock mass of syenite porphyry in the north part of Babaoshan coal mine was demonstrated on its lithologic characters,geologic age and occurence.

从岩体的岩性、时代、产状等方面，论证了八宝山煤矿北部的正长斑岩体为一岩盖，下部找煤前景可观，可在井下实施巷探和定向钻探找煤，以延长矿井寿

In the thesis, with the background of longtan project, adopt the methods theoretic analysis and intelligent arithmetic to research and discuss. The primary tasks in this thesis are stated as followed:(1)Predigesting rock character of the model of 72# cave, taking into account the major factor of the terrane, according the geologic information, build the numerical value model.

本文以有代表性的龙滩水电站工程边坡岩体为研究对象和工程背景，采用理论分析与反演分析相结合的方法，对岩石的流变性能进行了研究与探讨，主要工作如下：(1)对72#模型试验洞岩层的力学特性进行概化，考虑岩层的主要力学性质，根据地质资料的描述，建立岩体力学特性的地质概化模型。

I want to be a big fish in a small pond.

我要做一条在小池塘里的大鱼。

While the software functioned well, we did not feel the same about their customer support!

虽然该软件运行良好，我们没有同样的感觉他们的客户支持！