查询词典 coal vase

The testing proves that it is available to ensure the working faces safety and increase the top-coal recovery that forcing blast top-coal and roof when the faces early working. The forcing blast method of the end top-coal is available, safety and reliable, it has a markedly effect to increase the recovery of the hard coal face.

试验证明，初采阶段采取强制爆破措施放出顶煤和顶板，是红会一矿坚硬特厚煤层综放工作面保证初采安全和提高初采顶煤回收率的有效措施，工作面端头的爆破强制破碎和放落顶煤，切实可行，安全可靠，对提高坚硬煤层综放工作面回采率效果显著。

With the booming development of the coal industry in Shanxi Province, coal has become a necessity of life for every household, and this calls for a coal information gathering and enquiry platform, thus, Shanxi Coal Information Website was developed basing on the OpenCms technology.

随着山西省煤炭产业的蓬勃发展，煤炭已成为各家各户的生活所需品，这就有必要有个煤炭信息的收集和查询的平台，山西煤炭信息网就是基于OpenCms技术开发的一个网站。

There are coal, iron, sulfur, arsenic, lead, zinc, fluorite, Iceland spar, barite, crystal stone, gypsum, limestone, silica, clay and other 20 kinds of mineral resource. It also has proven the reserves of 3.3 billion tons of coal, There are rich seam for the development and utilization of coal-bed methane, coal-producing counties are key.

境内有煤、铁、硫、砷、铅锌、萤石、冰洲石、重晶石、水晶石、石膏、石灰石、硅石、粘土等20余种矿产资源，已探明煤炭储量33亿吨，煤层中蕴藏着丰富可供开发利用的煤层气，是全国重点产煤县。

The coal-forming model s in late permian eporch in Guangxi are divided into "two classes and three types", the two classes are peat bog coal-forming model and peat flat coal-forming model , the three types are bog type, tidal flat type and peat flat type coal-forming model s.

广西晚二叠世成煤模式划分为"两类三型"，即泥炭沼泽成煤模式和泥炭坪成煤模式两类，沼泽型、潮坪型和泥炭坪型等三型。

Power plant of pithead of this coal company is to use what produce inferior coal and coal washing plant oneself is medium the item of integrated interest expenditures that coal makes fuel.

该煤炭企业坑口电厂是利用自产劣质煤和洗煤厂的中煤作燃料的综合利用项目。

Based on the production and supply of the coal industry in China, the capital construction projects and their investments in coal industry are investigated. Based on relative data from 1991 to 2000, a system dynamics model for coal suply and investment is formulated under the requitement of coal demand for building a well-off society in an all-round way. Meanwhile, policy analysis of investment for the throughput of state-owned colliery is made and the satisfied results are also obtained.

本文根据我国煤炭生产和供应的实际情况，对全国煤炭工业矿井基本建设项目及其投资情况作了调查，以1991至2000年之间的历史数据为依托，建立了全面建设小康社会期间煤炭需求作用下的全国煤炭生产供应系统动力学模型，并对全面建设小康社会期间国有煤矿供应能力开展了煤炭投资政策分析，取得了一些有意义的结果。

Taiyuan in the "sea of coal" in the central, on the geological reserves of coal, Taiyuan, said "the Department of Taiyuan Coal", the province's seventh largest reserve, Shanxi Coal is the main component of the resource.

太原处在"煤海"中部，地质上称太原的煤藏为"太原系煤"，储量居全省第七位，是山西煤炭资源的主要组成部分。

As the international coal and sea freight have fallen sharply, international coal prices in Hong Kong have been close to or even lower than the domestic price of coal, the international price倒逼pressure on domestic coal prices are increasing.

由于国际煤价和海运费的大幅下滑，国际到港煤价已逼近甚至低于国内煤价，国际价格倒逼国内煤价的压力正在加大。

Through years of operation, the hotel has set up two coal-sea food and beverage, coal Hai Restaurant grains, coal sea 3, coal grains Second sea outlets.

通过多年的运营，宾馆先后开设煤海餐饮二部、煤海杂粮食府、煤海三部、煤海杂粮二分店。

All the water jacket furnace, steam production for 0.3 MPa, can fully meet the single-section of their own exploration of coal gasification and steam-fire, such as the use of closures, double Bell coal bins or electric drum automatically to the coal unit, simple structure, cloth Coal uniform; eccentric furnace grate, Cleaner effective and uniform air supply, gasification stability.

全水套炉体，自产0.3MPa蒸汽，能完全满足单段炉自身煤的气化和探火孔汽封等使用；双钟罩加煤箱或电动滚筒自动给煤装置，结构简单、布煤均匀；偏心炉篦，除渣效果好，送风均匀，气化稳定。

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。