查询词典 wall rock

The geostress is the dominative factor for distortion characteristic of the wall rock and is important for the tunnel design.

地应力是围岩变形特性的重要控制因素，也是隧道设计的重要依据。

According to the research of strata element contents, REE, stable isotope and wall rock alterations, ore forming substances are from both mantle and crust, and the ore deposit has the characteristics of mutiple metallogenesis and polygenetics, belonging to mantle crust polygenetic compound deposit .

老厂银铅矿床主要受断裂构造控制。对矿区地层元素丰度、稀土元素、稳定同位素及围岩蚀变等进行研究，结果表明，成矿物质有幔、壳两大来源，矿床具多期多成因的特征，属幔－壳型多因复成矿

Ore deposit, have been studied detailly; the orebody pattern (sedimental bedded ores combined with stringer ores of hydrothermal origin) is also outlined; four metallogenic epoches are devided; the zoning of mineralization (including zones of ores, elements, mineral assemblages and temperature of mineralization) have been depicted; the main types of wall-rock alteration are characterized as propylitization of basic rocks and pyritization-sericitization-silicification of acidic pyroclastic rocks; the origin of ores and seven kinds of main minerals have been studied; and the metamorphism and deformation of orebodies is thought mainly due to the shearing and the intrusion of subvolcanic rocks

研究了七个矿化带特别是I号矿床的矿床地质特征，描绘了矿体的双层结构(沉积矿石与热液充填交代的细网脉状矿石)，划分了四个成矿期次，区分了矿化分带(包括矿石组构的成因分带、元素分带、矿物组合分带、温度分带)，指出了围岩蚀变的主要特征是细碧岩青盘岩化而石英角斑质凝灰岩黄铁绢英岩化；对矿石及七种主要矿石矿物的成因作了研究；探讨了矿体的变质、变形，指出韧性剪切及次火山岩侵入的热力作用和应力作用是导致矿体变质变形的主要原因

Consequently, the evaluation of wall rock's stability is a momentous science research correlated with expressway's roading.

因此，围岩稳定性评价是与高速公路隧道施工和运营密切联系的一项极为重要的研究内容。

The researches about support structures of underground support are mostly in the exploring phase as wall rock often shows discontinuous and ununiformity character.

由于岩石类介质的显著特点为在一定尺度上呈现非连续性和不均匀性，因此，在以上特性下的洞室支护结构研究任然处于探索阶段。

At first, mineral composition and distributing of impurities in andalusite grains were studied by SEM and EDS. The results showed that main mineral impurities were biotite, ilmenite, clay species, the wall rock conglutinated at brim of andalusite and impurities in the chiastolitic cruciform pattern were easily removed, but the small impurities in andalusite grain were hardly removed.

首先，利用SEM和EDS分析了红柱石矿的矿物组成和杂质分布，结果显示这种红柱石矿所含的杂质矿物主要是黑云母、钛铁矿和黏土矿物等，其中分布在红柱石颗粒边缘的围岩和空晶石内的黑十字容易去除，而分布在晶内的细粒杂质则不易去除。

Then it emphasizes that anchor rope support can improve the reinforcing effect of wall rock and the "anchor rope--anchor bar" combined support is effective.

分析了锚索支护在近距离煤层巷道中的支护作用，并对其作用机理和产生的效果进行了理论分析，强调锚索支护具有提高围岩的补强作用&，锚索—锚杆&联合支护行之有效。

Using remote sensing image process technology, the information of structure and wall-rock alterations related to the gold deposit is put forward on the basis of false color composite and ratio color composite, and many ring structures are interpretated on the TM images.

利用遥感图象处理技术，在假彩色合成及比值假彩色合成图象上提取与金矿成矿有关的构造、围岩蚀变信息等，并在TM图象上解译出大量环形构造，将所获得的多种信息进行复合。

Numerical analysis ; high crustal stress ; deep-buried long tunnel ; soft wall rock ; rheology rule ; long-term monitoring ; cure principle

数值分析；高地应力；深埋长隧道；软弱围岩；流变规律；长期监测；治理原则

Wall-rock metasomatism, boilings and separation of fluid facies, as well as mixture with meteoric water were the main evolution processes in a fluid system. The activiti es of ore-bearing fractures can be divided into two states: brittle and brittle -ductile ones.

与围岩的交代作用，沸腾作用引起的相分离和大气降水的加入所产生的混合稀释是成矿流体体系演化的主要途径，容矿断裂构造活动可划分为脆性破裂和韧脆性扩张两种动力学状态。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。