查询词典 coal

The influence of the quantity of white rot fungus,concentration of coal slurry,coal granularity and pretreatment in desulfurization was studied and the optimum conditions for various factors were sieved by orthogonal test method.

通过正交试验研究了白腐菌在煤炭脱硫过程中细菌数量、煤浆浓度、煤粒度和预处理等各因素对其脱硫的影响，并筛选出各因素的最佳试验条件，在此基础上探讨了白腐菌脱硫的降解规律。

Putting forward save energy falls that the burnt measure has: improves reduction of furnace charge; Use large quantities of weights and many rings cotton material and the feeding system of standard-sized sheet wind gap school assignment;Adding coal gas and blast shedding the wet installation and preheating raising the wind temperature etc with carrying on hot-blast stove combustion-supporting air and coal gas.

提出节能降焦的措施有：改善炉料的还原性；采用大批重、多环布料、全开风口作业的装料制度；购买高品位入炉矿石、炉料分级入炉；添加煤气和鼓风的脱湿设施和进行热风炉助燃空气和煤气预热提高风温等。

Although it is well known that windproof net is very useful to control the form and diffusion of coal dust,the windproof net has not been widely applied to large-scaled coal ports.

防风网是控制煤炭起尘与扩散的一种有效手段，其防尘效果主要与防风网的结构、设置方式有关。

Coal tar pitch is a coal tar initial fractionation, the boiling point greater than 360 ℃ residues; wood tar wood tar pitch is the residue after distillation material.

煤焦油沥青是煤焦油初步分馏后，沸点大于360℃的残留物；木焦油沥青是木焦油蒸馏后的残留物。

Based on the Changxing Agricultural Geologic Environment Survey in Zhejiang Province, the paper marks the abnormal plot of some elements in the soil of surface layer in Meishan Basin, such as Cd、Hg、As、Ni、Pb、S、Br、Cl、F, and lays emphasis on the spatial distribution of the abnormalism, and also evaluates the environmental quality of soil and shallow groundwater preliminarily. The results show that enormous coal gangue was stacked with open-air as a result of coal mining of Meishan Basin.

文章以长兴县农业地质环境调查结果为依据，结合区域浅层、深层土壤及浅层地下水测试分析数据的统计特征，圈定了煤山盆地土壤中Cd、Hg、As、Ni、Pb等重金属和与采煤有关的S、Br、Cl、F等不同元素的地球化学异常图，重点分析了异常的空间表现特征，并对土壤、浅层地下水环境质量进行初步评价。

All the compounds were isolated and identified from the bituminous coals for the first time, bis(2-ethylheptyl) terephthalate and 18-ethyl-17-(hexan-2\'-yl) docosanoic acid are new compounds.Further more, a Colourless Oil Liquid, a white acerate crystals containing some alkanes, a white tabular crystals consisting of some fatty acid esters and a white powder crystals in which some fatty acids exist were isolated and analysed by GC/MS for the first time.Through this research, a study method of"classification extract of bituminous coal- separation with silica-gel and gelatin column chromatographies- identification of the isolated compounds by FTIR, GC/MS, LC/MS, 1H NMR and 13C NMR analyses"was established and proved to be a practical approach toward separable and non-destructive identification of some organic compounds in bituminous coals for coal chemistry research.

本研究建立了&原煤分级萃取-硅胶与凝胶柱层析分离与纯化-GC/MS或LC/MS检测-FTIR、MS、1H NMR和13C NMR波谱解析&这一煤中有机化学成分的非破坏性分离与分析的研究方法，并验证该研究方法有效可行。

Jin Cheng coal indusery group is the important component of 13 piece of large Programmed scale in our country, is among of our 19 National Programmed mining areas, and is an important high quality anthraciferous coal production base in our country.

文摘： 晋城煤业集团是我国规划的13个大型煤炭基地中晋东煤炭基地的重要组成部分，是我国19个首批煤炭国家规划矿区之一，是我国重要的优质无烟煤生产基地。

Anthracotic pigment ordinarily is not fibrogenic , but in massive amounts (as in "black lung disease" in coal miners) a fibrogenic response can be elicited to produce the "coal worker's pneumoconiosis" seen here.

碳末沉着病是非常普遍的，但通常不发生肺组织的纤维化，在煤炭工人的尘肺病的切片中我们可见大量的纤维化反应。

Anthracotic pigment ordinarily is not fibrogenic, but in massive amounts (as in black lung diseasein coal miners) a fibrogenic response can be elicited to produce the coal worker's pneumoconiosisseen here.

煤肺色素通常不存在纤维化，但炭尘量很大(就如煤矿工人的&黑肺病&)，纤维增生反应能诱发煤矿工人肺尘埃沉着症。

Anthracotic pigment ordinarily is not fibrogenic, but in massive amounts (as in "black lung disease" in coal miners) a fibrogenic response can be elicited to produce the "coal worker's pneumoconiosis" seen here.

煤肺色素通常不存在纤维化，但炭尘量很大(就如煤矿工人的&黑肺病&)，纤维增生反应能诱发煤矿工人肺尘埃沉着症。

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。