煤中微量元素一直是煤田地质学和煤质研究的重要组成部分。
The investigation to trace elements in coal has been of importance to coal geology and coal property for decades.
基于煤岩分析、仪器分析及有机溶剂抽提等方法，对焦坪煤进行了系统的煤岩、煤质研究。
This paper deals with petrographic characteristics and coal qualities of Jiaoping coal by means of coal petrologic, instrumental analytical and organic solution extraction methods, and so on.
简要介绍了中国煤质研究的概况，并介绍了中国煤炭的分析方法和标准，将中国的有关标准与iso及其他国家煤的分析标准进行了比较。
This paper introduces survey of China coal quality study, standard and analytical method of coal, standard of China coal is compared with ISO and other country.
本文同时也对影响链条炉固硫效果的热工环境及固硫添加剂对燃煤的煤质影响进行了研究。
In this paper, the effect of the atmosphere of chain boiler on fixed sulfur characteristic and the effect of additives on coal characters were studied.
本文研究结果表明：盆地沉积基底的构造条件是控制福建晚三叠世聚煤作用和煤质变化的主要因素。
It was indicated in the paper that the structural setting of the basin sedimentary basement is a major factor controlling coal quality and coal accumulation of Late Triassic in Fujian.
本文介绍了煤质炭黑的研究及其进展。
The development in research of coal carhan black was introduced in this paper.
研制成功了一台用于脉冲中子发生器煤质在线分析仪器的脉冲高压电源样机，并在这台样机上进行了试验研究。
On the basis of parameter designed, a prototype of high voltage pulse power supply is developed and some researches and tests have been done.
从煤质、煤岩、煤灰成分等方面研究了影响焦炭强度的因素。
The paper studied the factors affected to strength of coke with coal quality, coal petrology, coal ash content and others.
针对我国西南地区赋存的高挥发分煤的煤质特点，采用捣固炼焦工艺在实验室内进行了以生产较优质冶金焦为目标产品的配煤炼焦试验研究。
According to characteristics of high volatile coals in southwest China, a laboratory study on producing superior quality metallurgical coke with stamping process has been completed.
研究了煤粒度分布、煤质、制浆温度、油含量等对制取三元料浆性能的影响。
This paper deals with the affect of coal particle size, coal property, the temperature for making slurry and oil content on characteristic of making COWS.
通过对粉煤成型前后粒度的变化研究和不同粒度组成原料的成型实验，揭示了原料粒度组成对型煤质量的影响规律。
Revealed material size-composition influence law to briquetting quality by study of granularity change of material briquetting and briquetting experiment of different size-composition of material.
研究了14种不同煤化程度煤的性质与其型煤质量的关系。
The relationship between the properties of coals with different coalification degree and quality of their briquets were investigated.
研究了14种不同煤化程度煤的性质与其型煤质量的关系。
The relationship between the properties of coals with different coalification degree and quality of their briquets were investigated.
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