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Based on the circular oxidation self-combustion mechanism of high-sulphur coal , the inhibition mechanism of Ca2 to high-sulphur coal is explained from chemical, negative-catalytic and physical inhibition actions.

在实验室实验的基础上,分析了混有不同浓度氢氧化钙样的氧化升温梯度和阻化时间变化率,基于高硫的循环氧化自燃机理,从化学反应理论、负催化活化中心理论和物理阻化作用三个方面深入分析了氢氧化钙阻化液对高硫的阻化机理。

The promotion of coal liquefaction by iron and tin has been compared in two Victorian brown coals, Morwell and Coolungoolun. Tin was more effective in the low-sulphur Mouwell coal, whereas iron was better suited to the high-sulphur Coolungoolun coal.

我们以Morwell和Coolungoolun两种维多利亚褐进行实验,对铁和锡在的液化中的催化作用进行了比较,发现锡对低硫的Morwell较为有效,而铁则更适合于高硫的Coolungoolun

On the basis of referring the foreign and domestic literatures and systematically generalizing the former research results, firstly, from the adsorption gas, coal spontaneous combustion and the heat resolves, thesis analyzes the ignitable gas occurrence. Secondly, though the experiment station of coal spontaneous combustion, thesis obtains the critical temperature 60 ℃~ 100 ℃, splits temperature 100℃~ 150 ℃, the fission temperature 150℃~ 180 ℃ and the speed-up temperature 210℃~ 250 ℃ and ignitable gas release rules in the several temperatures sections according to the results. Finally according to fire resource and the catastrophe theory, ignitable gas explosion characteristic and the influence factors have been conducted of the qualitative investigation and the quantitative determination. The gas explosion control technologies are put forward. It has built the certain foundation for the effective prevention gas explosion accident occurrence.

本论文采用理论分析和实验模拟相结合的综合研究方法,首先从层吸附瓦斯、氧复合过程及高温热解三方面对采空区可燃性气体的产生进行分析;其次通过对大型自然发火实验测试台的应用,根据实验结果得到临界温度60℃~100℃、干裂温度100℃~150℃、裂变温度150℃~180℃和增速温度210℃~250℃等几个温度段的可燃性气体释放规律;最后根据爆炸引火源,结合瓦斯爆炸流变-突变理论,对可燃性气体爆炸特性及影响因素进行了定性研究和定量测定,提出瓦斯爆炸事故的控制对策,为有效预防瓦斯爆炸事故的发生打下了一定的基础。

Low rotten bituminous coal (jet coal, it glues coal to be and weak to glue coal), natural radioactive level lower,( 238U: 33.2- 50.0Bq/kg , 232Th: 52.5- 54.4Bq/kg , 226Ra: 30.6- 56.5Bq/kg ), obviously lower than the brown coal than activity, and the uranium , radium which the companion grew is in a basic balance, uranium , thorium are also in a basic balance.

低变质烟(包括长焰、不粘和弱粘)天然放射性水平较低,(238U:33.2~50.0Bq/kg、232Th:52.5~54.4Bq/kg、226Ra:30.6~56.5Bq/kg),比活度明显低于褐,且伴生的铀、镭基本平衡,铀、钍亦基本平衡。

These kaolinitic rocks constitute one of the major natural resources and non-metallic deposits, and are of important development and utilization value. In this paper, the distribution and research history of the kaolinitic rocks in Chinese coal measures are briefly introduced and the composition, text...

本文介绍了中国系高岭岩资源概况、研究简史;根据成分、结构、地质产状等特征,提出了中国系高岭岩的成因类型;对生物和有机质在其形成中的作用进行了分析和探讨,并结合有机酸溶解矿物模拟实验对其成矿作用做了初步探索;最后对系高岭岩的某些关键性加工技术进行了简述。

Have mixed coal, surface coal, lump coal.

有混,面,块

In order to understand the properties of impact toughness of coal with different impact speeds and the change of impact toughness of lump coal to joint directivity of lump coal.

为了研究不同冲击速度条件下块冲击韧度的变化特征,以及块节理方向性对块冲击韧度的变化特性。

Adsorption experiments of low rank coal under equilibrium moistures;2. The low rank coal reservoirs in limnic basins of Jungaar and Tuha were researched.

研究了准噶尔、吐哈盆地低储层的特征,结果表明:该储层几何形态复杂,且受成环境的控制,表现出显著的规律性变化。

The conception of and the basis on the term of post -processing engeneering undertaken after coal preparation is given in the paper and it cites some examples from practice of the post -processing engineering undertaken after coal preparation.

提出了&选后工程&的概念、基础,列举了&选后工程&实例,并提出了&选后工程&研究开发的意义与重点所在。

It needs quartz sand as the auxiliary material, and needs coal mixed with waste to achieve perfect combustion.

需要石英砂作为辅料,需要掺才能理想燃烧,在价较低或上网电价较高的情况下,掺越多焚烧厂的经济效益越好

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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

屈膝跪下。。。下跪祈祷

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

Nusa Dua :豪华度假村,冲浪和潜水,沙滩,水晶般晶莹剔透的水,网络冲浪。