查询词典 wall rock

Though the load analysis on the tunnel roof wall-rock in the fault footwall tunnel, this paper solves the problem of the tunnel support of tunneling through the great fault; and though the load analysis on the corresponding wedge of the lower abandoned tunnel, solves the problem of the influence of the lower abandoned tunnel on the upper tunnel floor.

通过对断层下盘巷道顶板围岩的受力分析，解决了煤巷掘进过大断层的巷道支护问题；通过对下部废巷道对应的楔形体的受力分析，解决了下部废弃巷道对上部巷道底板的影响问题。

Based on analyzing synthetically petrologic component, texture and construct, 4 lithofacies zones, such as carbonaceous slate subfacies, hornfels subfacies containing cordierite and grammite, border subfacies and central subfacies, are divided in the diabase and wall rock.

根据岩石成分、结构构造等的综合分析，在辉绿岩及其围岩中划分出碳质板岩带、角岩带、边缘带、中心带等四个岩相带。

This paper reviews the conventional models for the formation of marginal compositional reversals,including wall-rock contamination,multiple injection,compositional stratification of magma,high degree of supercooling,crystal settling of phenocrysts,flow differentiation,compositional convection and upward decrease in amount of intercumulus liquid.

朱丹，罗泰义，宋谢炎，徐义刚，陶琰，黄智龙，基性-超基性岩浆成岩和成矿过程中Soret效应的研究进展综述了当前对基性-超基性岩床和层状岩体的边缘反转现象的传统解释模型，包括围岩混染、岩浆多期注入、岩浆分层、过冷却、晶体沉降、流动分异、结晶和成分对流以及逐渐减少的颗粒间熔体量。

Excavating stability of tunneling in permafrost region is related to deep and shallow stability of wall rock.

多年冻土隧道工程开挖施工的稳定性受深层和浅层稳定的影响。

In the light of all kinds of structural faces and their assembles along tunnel, the place and growth depth of instable cuneiform body in tunnel wall rock could be predicted, then its volume and weight of instable cuneiform body are estimated based on the equator plane projecting method and the solid body ratio geometry method, which offers reliable geologic data for designing corresponding supporting measure.

摘要利用赤平投影法和实体比例几何法分析隧洞围岩稳定性，根据隧洞沿线所遇结构面相互组合形式，预测隧洞围岩不稳定楔形体的位置及其发育深度，从而估算不稳定楔形岩块的体积和重量，为设计相应的支护措施提供可靠的地质依据。

The results show that both ore body and wall rock have weak or strong rockburst proneness.

结果表明，该矿矿体和围岩均具有发生弱或强烈岩爆的倾向性。

We draw a conclusion,which is controlled wall-rock s durative distortion and scraggy in deepness-well by anchor-net and anchor-cable s shoring spout slurry secondary-shoring technology .

针对四矿矿井深部高地应力巷道支护现状及围岩特点，总结深井高地应力巷道支护原则，提出采用锚网喷—锚索喷注浆二次支护技术控制深井巷道围岩的持续变形和底鼓，并在工程实际中进行了支护实践。

The main types of the wall-rock alteration are silicification,potash-alteration,pyritization,sericitization,chloritization and carbonatization,of which the strong silicification,potash-alteration and pyritization are closely related to gold mineralization.

流体—岩石反应引发的围岩蚀变是造成萑香洼金矿床金沉淀成矿的主要原因。

Besides silicification and pyritization, argillation is an important type of wall rock alteration distributed extensively in the gold ore field.

矿体分缓倾顺层矿体和陡倾穿层矿体，分别受NS向缓倾断裂和陡倾断裂构造控制。

The wall rock alteration is silicification, potash feldspathization and pyritezation. Analyses of the correlation,R-type cluster, orthogonal and oblique factors on some trace elements from 57 samples with primary halo show that the Au,Cu, Ag came into the same ore-bearing hydrothermal p...

通过57个矿床原生晕样品部分微量元素相关分析、R型聚类分析和正交因子、斜交因子分析，表明Au、Cu、Ag组合为主要矿化阶段的元素组合，是化探找矿的重要指示元素。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。