There may be existed an optimal coal-char size range that makes abundant porosity and bigger pore specific areas to enhance the gasification reaction.
实验中发现在一定的气化工况下，煤焦存在一个合适的颗粒尺寸范围，能形成比较大的孔比表面积和孔容积，有利于增强煤焦的气化反应。
With the raw material of gas coal and weakly caking coal-char, a set of formed cokes were prepared by changing the size of gas coal and weakly caking coal-char.
以气煤和弱粘煤半焦为原料，通过改变气煤和弱粘结煤半焦的粒度制备出一系列的型焦。
Canadian geologists have found evidence of coal char — "remarkably similar to modern coal fly ash" in their own words — in ancient Arctic rocks.
加拿大地质学家们在古老的北极岩石中发现了煤炭的证据，“象极了现代的煤灰”这是他们的原话。
For Christmas, Char Boy received his usual lumps of coal.
圣诞节，木炭男孩和往年一样收到了一堆木炭。
The importance of heterogeneous mechanism on the NO reduction is analyzed by comparing the difference in NO reduction of pulverized coal and its char.
通过比较煤粉和煤焦对NO还原过程的不同，分析了异相机理对NO还原的重要性。
Various size of pulverized coal and char were prepared for experiments, also their physical and chemical characters were experimentally analyzed.
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。
The primary oxygen concentration obviously affected NO reduction, especially when the reburning coal and char had bigger size.
初始氧浓度对煤粉和煤焦再燃还原NO效率均有明显影响，当粒度较粗时这种影响更加显著。
Linear regression method was used to analyse the effects of maceral and rank on morphology of coal and corresponding char.
本文用多元回归方法，分析煤岩相组分和煤阶对煤及相对应煤焦表面形态的影响。
The coal combustion behavior in a tangentially fired boiler furnace is numerically studied using a modified char combustion model.
采用改进了的焦炭燃烧模型，数值研究了煤粉颗粒在四角切向燃烧锅炉炉膛内的燃烧行为。
During the devolatilization, the hollow structure of coal particles is formed due to the rapid release of volatile, which can result in more rapid combustion of char particles.
热解时挥发份的迅速释放及煤的热塑性导致了颗粒内部的空心结构，这种结构有效地提高炭粒的燃烧速率。
The research show that the content of disordered carbon is a good index of the reactivity of coal and coal char, correlates with ignition characters very well.
结果表明：无序碳含量是衡量煤和煤焦活性的一个很好的指标，它与着火特性有很好的关联性；
The effect of microstructure characteristics of coal and coal char on gasification reactivity was investigated.
研究了不同煤化度煤及煤焦的微观结构及其对气化反应性的影响。
This paper has established kinetic parameters of a reaction of NO reduction by a Chinese lean coal char in different conditions and studied effects of catalysts on the parameters via experiments.
通过对中国一种贫煤焦还原NO的实验，确定不同条件下该反应的动力学参数及催化剂对这些参数的影响。
Energy from char combustion is one of the major energy sources in coal combustion and responsible for the boiler operation security.
煤焦作为煤粉燃烧过程中的主要能量来源之一，其燃烧行为对锅炉的安全运行有着举足轻重的作用。
The results indicate that the morphology and structure of char particles are dependent not only on maceral composition but also on coal rank.
这些结果表明，残炭颗粒的形态结构特征不仅依赖于煤的显微组分组成，而且也依赖于煤的变质程度。
A new dimensionless combustion index Z has been proposed to describe the combustion behavior of coal and char.
由热分析实验数据归纳提出了表征煤和半焦着火、燃烧及燃烬性能的无量纲综合燃烧指数Z。
The char types of the various macerals and their combustion modes were investigated in detail according to the drop tube furnace and one-dimension coal combustibility tests.
本文依据沉降炉和一维煤粉燃烧特性试验，对不同显微组分的残炭类型及其燃烧方式进行了详尽的探讨。
The application of thermogravimetry in the study of combustion property of coal char was reviewed.
采用热重分析和岩相分析等方法，对复杂煤种的燃烧特性进行了评价。
The process is to produce the new carbonaceous reductants, char and the brown coal's byproduct (such as coal tar ) after the brown coal is carbonized.
项目采用的工艺路线为褐煤原煤经炭化后，制备新型炭质还原剂和半焦及其副产品。
Then a general combustion model is proposed, which initially reveals the influence of coal char structure on combustion processes.
该模型把对碳焦的表面分形与燃烧速率的计算结合起来初步揭示了碳焦结构对燃烧过程的影响。
General Manager Yuan Zhongsong welcomes you to visit our company and select our char-coal machines.
总经理苑中松先生欢迎广大用户来厂参观选购我厂的木炭机械产品。
The adsorption characterizations of methane on anthracite coal and its char under different pressure and temperature were measured by using of volumetric method.
用容量法测定了不同温度下甲烷在无烟煤及其炭化样上的吸附特性。
It was tested that water glass is an ideal binder to the pellet containing coal char.
水玻璃已被证明是用于含碳球团的理想粘结剂。
The ash of char is low, and the caloric content of coal gas is high. So it can be used as fuel in cement plant and power plant, or made into briquette as the gas-making material or fuel without smoke.
霍林河褐煤热解半焦灰分较低，发热量较高，可用于水泥厂、电厂等作燃料，也可制成型焦作为造气原料或无烟燃料。
Then a general combustion model is proposed, which initially reveals the influence of coal char structure on...
该模型把对碳焦的表面分形与燃烧速率的计算结合起来初步揭示了碳焦结构对燃烧过程的影响。
Medium length aftertaste, aromatic black coffee at first, bitter herb and char coal followed.
中等长度的余蕴，起首甘醇的黑咖啡，后期焦木和草药稍微偏苦。
We mainly import Jute, Iron ore, Coal Char And other Chemical Raw Materials with stable quality, besides we have entered into long term business relation with customers all over the world.
国际贸易进口以黄麻、铁矿石、煤焦、及其它化工原料为主，进口质量稳定，并与客户建立长期良好的合作关系。
We mainly import Jute, Iron ore, Coal Char And other Chemical Raw Materials with stable quality, besides we have entered into long term business relation with customers all over the world.
国际贸易进口以黄麻、铁矿石、煤焦、及其它化工原料为主，进口质量稳定，并与客户建立长期良好的合作关系。
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