查询词典 coal vase

The influence of volatile content and admix ratio upon combustion performance of blended coal has been preliminarily analysed, it is suggusted that the equivalent volatile content value can be used as important basis for determining operational parameters during the time of burning blended coal.

采用热天平和一维火焰炉对单一煤及其混煤的着火、燃烧、燃尽以及结渣特性等进行了试验研究，初步分析了挥发分含量及掺配比对混煤燃烧性能的影响，提出等效挥发分值可作为混煤燃烧时确定运行参数的重要依据。

The results indicate that the surface area of coal is related to the coal particle size, the maceral content and the adsorbate used.

在上述工作基础上，选用孔隙结构发达的大雁褐煤作为原料，探讨了制备空分用炭分子筛的可能性。

With coal indirect liquefaction is exemple, dimensions is 5 million tons / year manufacturing unit, aerification is in with coal 2200-2500 10 thousand tons.

以煤间接液化为例，规模为500万吨/年的生产装置，气化用煤在2200-2500万吨。由此可见，我国在。。。。。。

Afforcement of management of coal exploit is urgent,improvement of coal exploiting efficiency and management level is in need of effective technology.

中文摘要：加强煤炭开采管理迫在眉睫，提高煤炭开采效率和管理水平急需有效的技术支持。

SH is the largest coastal oil and coal transportation, so as to油运, Coal as the core business, recently Shougang International Trade and Engineering Company signed a bulk ore affreightment opened the imported iron ore transport market, the contract period of 15 years, since the second half of 2009, the total contract for 37 million tons.

是最大的沿海石油和煤炭的运输，以油运为核心的煤业务，最近首钢国际贸易工程公司签署了散装铁矿石包运开辟了进口铁矿石运输市场，15年的合约期内，自2009年下半年，37个亿吨的合同。

The paper presents a more detailed discussion of the significance and present situation of coal separation and the latest development of air heavy medium fluidized bed coal separation technology.

详细讨论了选煤的意义和现状以及空气重介质流化床选煤技术目前的发展。

Air brick which is made of cement、clay、coal ash and coal waste has been the main architecture wall-material of development these years,with it's characters as light-quality、heat insulation and sound insulation,even more,it mades proper use of flotsams as well as saving soil-source.

空心砖是近年来发展的主要建筑墙体材料，它主要由水泥、粘土、粉煤灰、煤矸石等材料制作，质量轻，隔热隔音好，尤其种既合理利用了废料又节省土地资源。

The forms and the identification methods of alkali metal in coal and their occurrence and migration mechanism during coal-fired process were summarized.

综述了煤中碱金属的存在形态、确定方法以及燃煤过程中的赋存迁移规律。

But the air flow that coal mine need and characteristic curve of resistance of coal mine is alterable.

轴流式风机的实际工况，取决于风机的特性曲线和矿井的阻力特性曲线。

Many phenomenon due to deep dip angle coal seam mining are still explained very well. There are a lot of deep dip angle coal seam mining district in China, the problem of miming subsidence is very general, so the research is of theory mining and practical value.

实践中，我国很多矿区有大量的倾斜煤层存在，倾斜煤层开采沉陷与变形预计问题普遍存在，需要我们对这类矿山的地表移动规律问题进行全面研究，因而该项研究具有重要的理论意义和生产实用价值。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。