查询词典 coal

The company's coal mining excavators and chemical equipment orders grew faster, the two companies have gradually become a new bright spot of growth.

该公司的煤炭矿用挖掘机和化工设备订单的增长速度，这两家公司已逐渐成为一个新的增长亮点。

It is very valuable to study the characteristic of dust explosion detonated by shock wave, and to find out the influencing factor of explosion characteristic for the safety in production of industrial department, such as coal mine.

研究激波诱导条件下粉尘爆炸的特性，找出影响其爆炸特性的因素对于解决煤矿及其它工业部门亟待解决的安全生产问题具有重要的现实意义。

Bolting technology in recent years, the rapid development of rock in the coal mine tunnel control applications are increasingly widespread, particularly in Australia and Britain, and other advanced countries, bolting technology, China is also studying the extension bolt supporting technology.

近年来锚杆支护技术快速发展，在煤矿巷道围岩控制中的应用也越来越广泛，尤其是在澳英等锚杆支护技术先进国家，我国也在研究推广锚杆支护技术。

Aiming at the low efficiency and laggard running of domestic double extraction turbine, flow passage is modified with four-dimensional technology,then the output has been increased,coal cost has been reduced,and also hidden safety trouble of unit has been removed,in the end,the safe and economical operation capacity of the unit has been improve

针对国产200 MW双抽供热汽轮机效率低、安全运行水平落后的状况，采用全四维技术对通流部分进行改造，提高了机组的出力，降低了机组的煤耗，消除了机组中存在的安全隐患，提高了机组安全经济运行的能力。

Cities have banned the burning of the coal bricks that warmed the kangs and contributed to eye-searing 蛰/迷眼的 smog.

这些城市已禁止市民烧大烟煤，这些烟煤是以往用来为炕供暧，也是产生迷眼烟尘的祸首。

Having ever been a chemical machine manufactory with 30 years of history in making large-scale chemical engineering equipments, our company has a group of designers and fabricants specializing in coal chemical engineering equipments and owns over 50 sets of equipment manufacturing machines.

公司的前身&化工机械厂&有30年制造大型化工设备的历史，有一批设计、制造煤化工设备的设计人员和制作技术人员，拥有设备制造机械50余台。

ONE of the factoids trotted out from time to time by proponents of nuclear power is that conventional coal-burning power stations release more radioactivity into the environment than nuclear stations do.

核电支持者时不时抛出一些支持核电的传言，其中之一就是传统的燃煤发电厂释放到自然环境的辐射比核电站更多。

To promote coal tar quality ceaselessly, make good brand image, each segment that cooking factory produces to tar strengthen a process to control.

为不断提升煤焦油质量，打造良好品牌形象，焦化厂对焦油生产的各个环节加强过程控制。

At present in tape transport planes, to coal, emulsion pump, local fan a successful application.

目前已在胶带运输机、给煤机、乳化液泵、局部扇风机有成功应用。

The main products are: general purpose centrifugal, axial fan, industrial boiler drum, suction fan, fan of pulverized coal, emission of dust and material handling fans, fire smoke extraction fans, heat fan, axial fan mining, roof fan, tunnel fans, top boxes, such as building ventilation more than 20 series over 400 varieties of different specifications.

主要产品有：一般用途离心、轴流通风机，工业锅炉鼓、引风机，煤粉风机，排尘及物料输送风机，消防排烟风机，高温风机，矿用轴流风机，屋顶风机，隧道风机，高层建筑通风箱等20多个系列400多个品种规格。

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。