查询词典 quartz

The light source was 1000W Hg and Hg lamps. The photoreactors were made of PYREX glass and quartz.

实验用光源为1000W的Hg或Hg灯，而以PYREX或石英作为反应器材质。

Precipitation of quartz and such sulfides as pyrite are the most direct reasons causing this kind of mineralization.

黄铁矿等硫化物和石英的沉淀是导致本类矿床成矿的最直接原因。

The analysis by XRD spectrum discriminate that the magnetite, Haematite, pyrrhotite and quartz from samples are found at site6 of adjacent to steel-making furnace, supporting the conclusions from magnetic measurements.

与石英相比，磁铁矿、赤铁矿和磁黄铁矿含量的强度较弱，这与前文中提及的气溶胶浓度与主要反映亚铁磁性矿物的磁性参数呈弱负相关的结论是相符的。

A method for quartz rate sensor using digital correlation detection is proposed to improve the performance of QRS.

为提高石英角速率传感器的测量性能，提出了基于数字相关检测技术的QRS信号解调方案。

The guardian found a quarte rly quart of quartz in the safeg uard.

监护人在安全装置内找到了四分之一夸脱石英。

Quartz→quartern.

四分之一→四分之一的石英储藏量。。。

If you need the exact time, you can go to the dining room, there's a quartz clock on the wall there.

如果你想知道准确的时间，你可以到餐厅去，在那里墙上挂着一个石英钟。

This is a Care Bear quartz wall clock.

这是一个负照顾石英挂钟。

Our company is the one producing "Guiguan" brand series quartz clock.

本公司是以生产"桂冠"牌系列石英钟的企业。

It is quartz clock.

这是一个石英钟。

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。