本文介绍了不同核磁共振方法和技术在煤化学研究中的应用。
The applications of NMR techniques to the study of coal chemistry were reviewed in the paper.
该系统可应用于催化剂、煤化学、石油添加剂以及地质矿物学等领域。
The system can be applied to the areas of catalyst, petro-addition, chemistry of coal, geology and mineralogy.
煤基有机组分的分离与分析对煤化学研究和煤的合理高效利用都有着重要的意义。
Separation and analysis of coal-based organic components is of great significance for both coal chemistry research and coal reasonable utilization.
煤是我国的主要能源,为了合理和有效利用煤炭,应将煤化学的研究摆到重要地位。
Coal is a major source of energy in China. In order to rationally and effectively utilize coal, scientific research on coal chemistry must be put on a important position.
一个焦炭的工艺流程产出适合燃烧和钢产品的焦炭,连同贵重的煤化学品,共值12美元每吨。
A coking process yielded coke suitable for fuel and steel production, along with valuable coal chemicals, which were collectively worth $12 per ton.
介绍了煤中低分子化合物的组成和来源、几种煤化学结构模型以及低分子化合物的主要研究方法。
The composition and source of lower molecular weight compounds in coal and several chemical structure models of coal were introduced.
深入研究煤低温热解过程中酚类的生成机理具有典型性和代表性,对促进煤化学研究具有重要的意义。
It is very important to promote the development on the field of coal chemistry by studing deeply on the mechanism of phenolic compounds produced during coal prolysis at lower temperature.
对煤大分子进行“剪裁”,获取“特异化学品”和对这些“特异化学品”进行“缝制”是分子煤化学的两个重要内容。
Clipping coal macromolecule to prepare special chemicals and sewing them are two important aspects of molecular coal chemistry.
从宏观、微观和煤化学几个方面,研究了新疆和田县布雅煤矿一号井田主采煤层中硫的赋存形态、含量、变化规律及成因。
The sulfur occurrence, content and genetic feature in the main coal seams, Buya Coal Mine, are analyzed with the macroanalysis, microanalysis and coal chemical methods.
陶氏化学公司(Dow Chemical Co .)与中国能源企业神华集团有限责任公司(Shen Hua GroupCorp .)合作开展了“煤变塑料”研究。
Dow Chemical Co. has partnered with Chinese energy company Shenhua Group Corp. to study a project to convert coal into plastics.
最常见的化学能包括煤、天然气、石油、和食物等各种各样的燃料。
Various fuels such as coal, gas, oil and food are common examples of chemical energy.
煤燃料中的汞、砷以及其他危险的化学物质都对世界上的海洋和河流造成了污染。
Coal is polluting the world's oceans and streams with mercury, arsenic and other dangerous chemicals.
埋藏和温度增高导致的物理变化和化学变化称为煤化作用。
Burial and increase in temperature bring about physical and chemical changes called coalification.
并用热解动力学从化学反应的本质解释了升温速率对煤的粘结性的改善作用。
Explanation was given on improvement effect of heating rate to caking property from essence of chemical reaction using pyrolysis kinetics.
制备了不同细度的实验煤粉和煤焦,并对其物理化学特性进行了实验研究。
Various size of pulverized coal and char were prepared for experiments, also their physical and chemical characters were experimentally analyzed.
本文简要介绍了国内外对煤的化学结构,及其在溶剂精炼工艺中的特性研究的主要成果和结论。
This paper reviews the main achievements and conclusions in research of coal chemical structure and characteristics in solvent refining processes in the world.
煤沥青本身的化学结构使其特别适合作为生产阳极的粘结剂。
Due to their chemical structure coal tar pitches are especially suited as binders for the manufacturing of anodes.
在热电站中,煤中的化学能并不全都能转化为电能。
In a thermal power plant, all the chemical energy of the coal is not converted into electric power.
这些都证实了煤基化学链燃烧技术的可行性以及其低排放特性。
All evidences above can testify the feasibility of chemical looping combustion of coal based and its lower emission characteristic.
对化学混凝法处理港口煤污水进行了试验研究。
Harbour coal powder waste water treated with chemical coagulation method is studied.
物理脱硫法、化学脱硫法、生物脱硫法是煤脱硫技术的三种主要方法。
The physical desulfurization method, chemical desulfurization method and biological desulfurization method are three important methods of coal desulfurization technology.
采用失重及电化学方法研究了碳钢在煤水两相介质中的腐蚀行为。
The electrochemical corrosion behavior of plain carbon steel in two-phase medium with coal and water was studied with mass loss measurements and electrochemical polarization tests.
对煤中铬的地球化学行为、分布、赋存形式、富集机理、迁移规律等方面的研究现状进行了综述。
Reviews the current situation of the geochemistry characteristics, distribution, modes of occurrence, mechanism of concentration, migration of chromium in coals.
只有很小比例的增长代表了自然原料吨位的增长—例如油、煤、矿石,木材和未加工的化学制品。
Only a small fraction of that represents growth in the tonnage of physical materials- oil, coal, ores, wood , and raw chemicals, for example.
最常见的化学能包括煤、天然气、石油、和食物等各种各样的燃料。
Variouss fuels such as coal, gas, oil and food are common examples of chemical energy.
针对差速循环流化床的结构及特有形式,采用小室模型的方法,对炉内煤的燃烧及其物理、化学反应过程进行了相应的仿真计算。
According to the special structure of the differential velocity bed, a simulation calculation of the coal combustion and the physical and chemical process was carried out by the cell model.
化学热力平衡分析结果表明,在煤燃烧和气化的最高温度区域里,单质汞是汞的主要形式;
The results show that in the high temperature zone of coal combustion and gasification elemental mercury is thermal stable form of Hg.
本文综述了镍的地球化学特征,以及煤中镍的分布、赋存状态与迁移规律。
This paper reviews geochemical characters, distribution, modes of occurrence and migration of Ni in coal.
破碎是煤燃烧过程中的一个复杂的物理化学过程。
Coal particle fragmentation represents a complicated physicochemical process during the combustion of coal.
破碎是煤燃烧过程中的一个复杂的物理化学过程。
Coal particle fragmentation represents a complicated physicochemical process during the combustion of coal.
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