查询词典 coal

The storage of coal in China is considerable, as are coal-based energy is a long-term status will not be shaken, but China's coal is the main source of air pollution, and also by the development of clean coal technology to solve energy is a fundamental solution Program.

而煤炭存储量在我国的是相当大的，所也煤炭作为基础能源的地位是长期不会动摇的，但是燃煤是我国大气污染的主要来源，所也发展洁净煤技术是解决能源根本性解决方案。

Common form of 250,000 tons of coal washery coal washing products are used in Weishanhu Lake one-third of coking coal gas as raw materials, the coal with high heat. Low ash .

共同组建的25万吨洗煤厂洗选的精煤产品是采用微山湖三分之一气焦煤为原料，该煤具有发热量高。

Plans to invest 30 to 40 billion yuan to build two 900,000 tons coal; 3 million tons a coal mine; and construction of 4.5 million tons coal washery; 2 million tons coking plant; 2 × 135MW coal gangue power plant; 20 million tons of industrial methanol and 200,000 tons of tar processing and fine chemical manufacturing industry series.

计划投资30一40亿元，建设90万吨煤矿两座；300万吨煤矿一座；建设450万吨洗煤厂；200万吨焦化厂；2×135MW煤矸石发电厂；20万吨工业甲醇和20万吨焦油加工及精细化工生产等系列化产业。

Combining with the first domestic closed yard coal wharf coal silos (the planning design object of Tianjing Shenhua closed yard coal wharf second stage engineering), this thesis performs a profound research. It mainly includes the follows: Firstly, it illustrates the basic constitutes and operational processes of the coal wharf logistics system.

结合拟建设的我国首个圆筒仓封闭式煤炭码头——神华天津煤炭码头二期工程的规划设计项目，本文展开了深入研究，主要内容如下：首先，阐述并分析了煤炭码头物流系统的基本组成和工艺流程。

To give "coal king" of art to life, to make it more widely for the people, our company according to "Taixi coal" for the raw materials, combined with activated carbon technology, research to produce pleasing in appearance, exquisite craft "too West coal carving "works of art, so that the coal resources and sculpture into one of the world's first.

为赋予&煤中之王&之艺术生命，使其更广泛为民所用，我公司以&太西煤&为原材料，并结合活性炭工艺，研究制作出外形美观、工艺精湛的&太西煤雕&艺术作品，使煤炭资源与雕塑合为一体，为世界首创。

The high rotten coal (including the anthracite and meager coal ) radioactive level is relatively low,( 238U: 29.1Bq/kg , 232Th: 25.9Bq/kg , 226Ra: 37.5Bq/kg), obviously lower than the radioactive levels of the brown coal and bituminous coal, and fluctuating range little relatively stable until Lincang uranium germanium colliery HeKai Tian little dragon's pool power plant make , investigate than right far correctly, prove natural radioactive nuclide (238U , 232Th , 226Ra ) than activity transformation in the course of utilizing and give locality radiate influence that environment bring.

高变质煤放射性水平相对较低，（238U：29.1Bq/kg、232Th：25.9Bq/kg、226Ra：37.5Bq/kg），明显低于褐煤和烟煤的放射性水平，且波动范围较小、相对稳定通过对临沧铀锗煤矿田和开远小龙潭电厂作出调查比对，说明了天然放射性核素（238U、232Th、226Ra）比活度在利用过程中的转移以及给当地放射环境带来的影响。

The fire in the coalfields and coal mines is one of the serious disasters in coal production and arises from coal spontaneous combustion and coal exploitation.

煤田煤矿区火灾是煤炭生产中的主要灾害之一。煤田煤矿区火灾由自燃和人为因素引起。

Along with the rapid development of our country's Industy, the factors induce that the power plant combusts the single coal impossibly for a long time, which are the increase wastage of coal, the difficulty transportation, the asymmetric distributing of coal mine and the policy of nation about that power boiler combusts inferior coal, therefore, the power plant must combusts blended coals.

随着我国工业的快速增长，煤的消耗量增加，加上运输困难、煤矿分布不均匀以及国家有关对燃煤锅炉尽量燃用劣质煤的政策等因素，造成电厂不可能长期燃用单一煤种，而不得不燃用配煤。

This article according to mine pit coal mining to cause the principle which the mine shaft coal bed gas pressure reduces, taking the PanJiang mining area mining coal bed as the research object, it has analyzed the reserves and the saves condition which the PanJiang mining area coal bed was mad

本文根据矿井煤炭开采引起井下煤层气压力降低的原理，以盘江矿区开采煤层为研究对象，分析了盘江矿区煤层气的储量和赋存条件

In my paper, the storage characteristic of the coal seam and mechanical properties of gas-filled coal is introduced firstly, as offers the basis of the study of physical parameter and effective stress of coal and the foundation of the mathematical model of fluid-solid coupling of coal-bed gas.

本文首先对煤层瓦斯的储存特征及含瓦斯煤的主要物理力学特性进行了概述，为耦合物性参数和煤体有效应力的分析研究与建立煤层瓦斯流固耦合渗流模型提供了依据。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。