查询词典 quartz

The results show that:1 the optimum addition of albite is 3 %.2 8 % is the optimum addition of quartz.

钠长石的加入量以3%为宜；石英的加入量以8%为宜。

Based on the study of mineral crystallization sequence, solidus temperature and growth rates of quartz and albite, it suggests that Li_F_Na enriched granitic residual magma is qualified for the f...

对矿物结晶顺序、石英和钠长石的生长速率以及固相线温度的研究表明，富锂、氟、钠的花岗质残余岩浆完全具备形成雪球结构的条件。

The insulating dry barrier was prepared by using fireclay as aggregate,albite and quartz as additives.

以优质焦宝石为主要原料，添加钠长石、石英等，制备了新型干式防渗料。

Core analysis results indicate that the backbone of the sandstone deposit is made of quartz, potash feldspar and albite, with heavy calcium cementing.

岩心分析结果表明，砂岩骨架由石英、钾长石和钠长石构成，但钙胶结较严重。

Colourless albite, black and white nephrite and yellow polycrystalline quartz, can be distinguished bymeans of testing their Raman spectra.

现相同的拉曼谱图，但是其他例如钠长石、黑色软玉和黄色多晶质石英等的相似石拉曼谱图则有

It is found that mineral composition of the dust is composed of quartz, albite, gypsum, calcite, hematite, muscovite, illite and amorphous material.

用场发射扫描电子显微镜及能谱仪和X射线衍射仪，对淄博市中心城区大气降尘的矿物组成、微形貌和微区成分进行了分析。

The Dashankeng gneiss located in the northeastern Dabie mountains is composed mainly of potassium feldspar, plagioclase and quartz with minor hornblende, biotite and allanite, belonging to monzonitic granitic in composition.

北大别东部大山坑片麻岩主要由钾长石、料长石和石英组成，少量角闪石、黑云母和褐帘石，成分为二长花岗质。

Amethyst is a highly valued quartz mineral because of its beautiful color, hardness, and its availability.

紫晶是非常重要的石英矿物，因为它美丽的颜色，硬度，其可用性。

A chiefly amphibole rock with minor plagioclase and little quartz.

一种主要由闪石和斜长岩组成的变质岩。

The main rock types are two-mica quartz schist and plagioclase amphibole schist.

主要岩石类型为二云石英片岩和斜长角闪片岩。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。