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In order to study the combustion of briquettes, an experimental equipment is built up in the laboratory and a serious of experiments with different kinds of coal is carried out on the platform.

为了研究型的着火燃烧,作者在实验室搭建了自己的型燃烧实验台架,并选取了几种有代表性的种压制成型,进行了型着火燃烧的实验。

Waterproof property of briquette is the key technical indicator to briquette, and improving the waterproof property is important for briquettes storage, transport and utilization.

的防水性能是反映其质量品质的一个重要技术指标,提高型的防水性能有助于型的储存、运输及利用。

Main points are as follows:(1) According to the end - memberanalyze the sort , content and its grading law of clay miner-als and land - source clasts in coal seams , in advance to judge the main direction of trasportion.

该方法用于研究河东的聚环境,收到了良好效果,证明其不失为传统聚环境分析方法的一个有益补充。

Modes of occurrence of trace elements in coals from representative coalfields in China It is the core of the dissertation to investigate the modes of occurrence of trace elements in coals from typical coalfields in China.

中国中大多数微量元素平均含量,与世界范围内中微量元素平均含量相比,基本在同一水平线上,中国炭利用造成的微量元素污染问题,主要是由于落后的用方式、累积效应及有害微量元素局部异常富集引起的。

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,的消耗量增加,加上运输困难、矿分布不均匀以及国家有关对燃锅炉尽量燃用劣质的政策等因素,造成电厂不可能长期燃用单一种,而不得不燃用配

In this thesis, two chemical structural models were constructed based on several structure parameters derived from FTIR and 13C NMR data, which were processed by curve-fitting and curve-resolved. Modified models were obtained by simulation oftheir molecular vibration spectra using Cerius 4.6/IR module andthe structural parameters from 13C NMR. Potential energy, bondenergy and non-bond energy of the minimum-energy conformations of coal macromolecules were calculated by molecular mechanics calculation and molecular dynamics simulation. These results demonstrate the importance of hydrogen bonding and van der Waals interactions in the formation and stabilization of coal macromolecular structure, and a strongest tendency of hydrogen bonding interactions to increase with the coal molecules but the Coulombs force.

本文运用结构的傅立叶红外光谱和固体核磁共振碳谱~(13C NMR测试方法所得的结果,经过谱图分峰、分析,计算出若干表征大分子结构参数,并综合前人的经验和共识,利用计算机分子绘图软件系统构建了表征两种褐的化学结构模型,在Cerius~2 4.6/IR模块中计算了分子振动红外光谱,同时结合碳谱所计算的分子结构参数拟合、修正了该结构模型,得到了能表征这两种样的分子结构模型,作为用分子动力学模拟和量子化学计算的初始结构模型。

The factors to affect the derating rate are carefully discussed and the technologies to reduce boiler derating are introduced. the retrofitting considerations of four typical oil-fired boilers are researched in detail.

本文针对水浆燃烧的特点,在与燃油、燃粉燃烧过程的比较研究的基础上,根据水浆燃烧机理提出了一个水浆雾炬燃烧过程的综合模型,并结合具体的燃烧器和燃烧室进行了数值试验。

Based on PKM gasifier coal lock hopper auto feed coal DCS system program's development and application, PKM Gasifier can auto feed coal and produce gas safely and steady.

通过对加压气化炉锁DCS自动加系统的开发与应用,来实现PKM气化炉加的自动和优化控制,以确保气化炉稳定运

Secondly the estimation of power spectrum of flame signal was made, and it was found to be able to reflect the stability of combustion state, which meaned that when the results of estimation of power spectrum showed that the frequency range in which the signal had certain value of energy became wider, and the peak value became larger, the extent of combustion stability became worse.

本文首次将色度学的原理引入到粉火焰颜色定量研究中来,试验研究发现,火焰的色度坐标可以反映火焰中风配比的变化:当色度坐标变小时,对应于风比变大,并且色度坐标对贫燃火焰反应敏感。据此可用来监视燃烧火焰中风配比是否失调。

The poly-generation process,which combined the CFB combustion and coal pyrolysis is one of the effective coal utilization means in our country.This process is based on CFB,and combined combustion with pyrolysis.It make the combined produce of heat,electricity,gas and tar in a system become reality.This paper summarized the research situation about solid heat carrier coal pyrolysis based on CFB.

循环流化床燃烧/热解多联供技术是我国资源的有效利用方式之一,该工艺过程是以CFB为基础,集燃烧和热解工艺于一体,实现了热、电、气、油在一套系统中的联合生产,同时对基于CFB的固体热载体热解工艺的研究状况进行了综述。

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In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是,在否定句或疑问句里,这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

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Nusa lembongan : Bali's sister island, coral and sand beaches, crystal clear water, surfing.

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