2) Quartz sandstone
石英砂岩
1.
The dam of the Xiaodongjiang hydropower station is built on quartz sandstone.
小东江坝为石英砂岩地区修建的重力坝 ,由于施工期开挖放大炮导致砂岩中的泥化夹层更加松动 ,产生部分爆破裂隙 ,影响了地基的均一性和完整性。
2.
A quartz sandstone target was impacted by a steel ball (6 mm in diameter) accelerated at5~7 km/s by means of a two-stage light gas gun.
利用二级轻气炮将6mm直径的钢球加速到5～7km／s后撞击石英砂岩靶，利用磁性分选、扫描电镜和X射线衍射等方法对岩靶受击后形成的碎屑进行了矿物分类和鉴别。
3) Quartzite
[英]['kwɔ:tsait] [美]['kwɔrts,aɪt]
石英岩
1.
Magnetic Property and Environmental Magnetism Significance of Surface Soil Derived from Quartzite
发育于石英岩之上的表土磁学性质及其环境磁学意义
2.
the results showed that the magnetic susceptibility of each rock and soil typewas very different,the order of magnetic susceptibility being basalt>granite>quartzite,laterite>lateritic red earth>paddy soil.
结果表明，不同母质和土壤类型的磁性差异很大，其磁化率的大小顺序为：玄武岩母质＞花岗岩母质＞石英岩母质；砖红壤＞赤红壤＞水稻土。
3.
Deformation experiments have been conducted to investigate the brittle-plastic transition of quartzite under temperature of 500~1 000 ℃ and confining pressure of 1 251~1 440 MPa.
在温度500~1 000℃、围压1 251~1 440 MPa条件下进行了石英岩脆塑性转化的实验研究。
4) quartz-porphyry
石英斑岩
1.
The orebodies, situated in the low part of the Chengpu formation, are governed by the "first sandstone layer" and the cranny of basement granite, Uranium mineralizations were the products of intruded basalt and quartz-porphyry activity.
白面石铀矿田产于 NW向展布的白面石盆地中 ,由 4个矿床 1个矿点所组成 ,铀矿化主要受菖蒲组下岩段即“第一层砂岩”层位、贯入玄武岩与“第一层砂岩”内外接触带和基底花岗岩中的裂隙所控制 ,是贯入玄武岩、特别是石英斑岩活动的产
5) quartz porphyry
石英斑岩
1.
The magma gave rise to crystallization differentiation;formed granite and quartz porphyry.
燕山晚期本区受太平洋板块边缘的影响 ,在已存断裂复活的条件下 ,产生壳幔混合作用形成花岗质岩浆 ,该岩浆在地下浅处发生强烈的结晶分异作用形成花岗岩和石英斑岩 ,两者是同一岩浆不同成岩阶段的产物 ,石英斑岩是成岩阶段的最后产物 ,分异作用导致银在成岩后期及期后成矿热液中富集。
6) silica
[英]['sɪlɪkə] [美]['sɪlɪkə]
石英岩
1.
The micro friction properties of an MD film on silica has been studied with atomic force microscope (AFM).
利用原子力显微镜对石英岩表面单层分子沉积膜的微观摩擦特性进行了研究，发现该分子沉积膜具有一定的减摩性。
2.
The adhesive force between silica sample and scanning probe before and after growing molecular deposition films on the surface of silica was experimentally studied.
对表面分子沉积膜生长前后的石英岩和扫描探针之间的粘附力进行了实验研究，结果发现这种沉积膜可以降低石英岩表面的粘附
补充资料：石英岩
| 石英岩 quartzite 一种变质岩。由石英砂岩或其他硅质岩经区域变质作用或接触变质作用形成。主要由石英（含量大于85％）组成，含少量长石、云母、绿帘石、角闪石、榍石等。呈等粒状变晶结构、块状构造，有时具条带状构造。根据所含杂质和原岩类型可分为纯石英岩（石英含量大于90％）、长石石英岩、磁铁石英岩等。石英岩分布广泛，可作建筑材料和玻璃原料。含铁品位高并具有一定规模储量的磁铁石英岩可作铁矿床开采利用。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条