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spontaneous combustion     
相关语句
  自燃
     Based on the range of “3zones” of spontaneous combustion measured in the minedout area of No7121 face (nonignition zone 7~14 m, ignitable zone 14~70 m, suffocative zone over 70 m), the range of air velocity in the ignitable zone of this face is determined to be 033~012 mmin.
     根据7121下综放采空区的实测自燃“三带”范围(不燃带7~14m,可燃带14~70m,窒息带大于70m)确定了该工作面采空区可能自燃带风速范围为033~012mmin.
短句来源
     An RSNN-based Prediction Method for the Coal Mine Spontaneous Combustion
     基于RSNN的煤自燃预测方法
短句来源
     water-cement ratio is 0.33, the amount of spontaneous combustion gangue is 10% of the binding material, fineness of spontaneous combustion gangue is 4600 cm2/g, the mixed slag is 10% of the binding material, sand percentage is 0.39, and the total amount of mixed minerals reaches 20% of the binding material.
     其最优方案为A_1B_1C_2D_3E_2,水胶比为0.33,自燃煤矸石掺量为10%,煤矸石细度为4600cm~2/g,矿渣掺量为10%,砂率选择为0.39,矿物掺和料的总掺量为20%。
短句来源
     the remain coal is not subject to the spontaneous combustion in the case of critical temperature of 60~75℃、the dry temperature of 90~110℃、the remain coal height of less than 0.7 m and the lower limit oxygen concentration of about 60℃.
     临界温度为60~75℃、干裂温度为90~110℃、浮煤厚度小于0.7 m、下限氧浓度在60℃左右,浮煤不自燃
短句来源
     Study on Spontaneous Combustion Mechanism of No.12 Seam and Its Direct Roof in Tangjiazhuang Mine
     唐家庄矿12煤层及其直接顶自燃机理研究
短句来源
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  自然发火
     Experiment study on synthetic preventing and cure techniques of spontaneous combustion in II824-2 fully mechanized mining with top coal caving face
     II824~(-2)综放面自然发火综合防治技术的试验研究
短句来源
     The experiment shows that the shortest spontaneous combustion period is 46 d in the case of the starting temperature of coal sample of 20℃;
     实验表明:煤样起始温度为20℃时,最短自然发火期为46 d;
短句来源
     So it is important signification to study the spontaneous combustion mechanism of coal and built the prediction theory of coal spontaneous combustion.
     因此,采用合适的方法研究煤氧复合机理对于认识煤自然发火过程、建立煤自然发火预测理论具有重要的意义。
短句来源
     So it is important signification to study the spontaneous combustion mechanism of coal and built the prediction theory of coal spontaneous combustion.
     因此,采用合适的方法研究煤氧复合机理对于认识煤自然发火过程、建立煤自然发火预测理论具有重要的意义。
短句来源
     Adaptive Genetic Algorithm Based Combination Analysis of the Influence Factors to Coal Spontaneous Combustion Period
     基于AGA的煤自然发火期影响因素组合分析
短句来源
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  “spontaneous combustion”译为未确定词的双语例句
     FAULT TREE ANALYSIS OF SPONTANEOUS COMBUSTION OF SULPHIDE ORES AND ITS RISK ASSESSMENT
     FAULT TREE ANALYSIS OF SPONTANEOUS COMBUSTION OF SULPHIDE ORES AND ITS RISK ASSESSMENT
短句来源
     Comprehensive study on the rule of spontaneous combustion coal in oxidation process by TG-DTA-FTIR technology
     TG-DTA-FTIR技术对煤氧化过程的规律性研究
短句来源
     (1) Seed medium: yeastponder10g/L, glucose 40g/L, (NH4)2SO4 0.86g/L, KH2PO40.6g/L,MgSO4.7H2O0.5g/L ,pH spontaneous combustion.
     (1)种子培养基:硫酸铵0.86g/L,酵母粉10g/L,葡萄糖40g/L,磷酸二氢钾0.6g/L,硫酸镁0.5g/L,pH自然。
短句来源
     Effective measures for comprehensive protection of spontaneous combustion of coal in Meiyukou mine
     煤峪口矿综合防治煤炭自然发火的有效措施
短句来源
     For the effective application of thermogravimetric analysis in the area of coal research this paper introduces TG—DTG、TG—DTA、TG—DSC of thermogravimetric analysis and describes the application of techniques in the study on proximate analysis of coal,pyrolysis characteristic,combustion characteristic, spontaneous combustion.
     为了使热重分析技术在煤炭研究领域里发挥更大的作用,介绍了以TG—DTG、TG—DTA、TG—DSC法为核心的热重分析技术原理,并且利用研究实例叙述了该技术在煤的工业分析、热解特性研究、燃烧特性研究中的应用情况。
短句来源
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  spontaneous combustion
These rocks represent a common product of intense thermal alteration of loams due to spontaneous combustion of coal seams.
      
Thereafter, a spontaneous combustion front ignites due to local melting of nickel and propagates at an average rate on the order of 5 cm·s-1.
      
C2F4Br2 and CF2Br on the spontaneous combustion of hydrogen near the first and the second inflammability limits has been studied.2.The rate constants of the reaction of H atoms with sym.
      
Nonlinear mechanism of spontaneous combustion in the reaction of fluorine with deuterium
      
For alloys with high chemical activity (Zr-Ti) and low (Zr containing more than 50% Si) six-months' storage does not change the temperature of spontaneous combustion.
      
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The condition of air flow in the goaf without chain pillar can be stated by analytic function.It's value can be obtianed by diagram method.The result from the diagram analyse would be useful to determination of the possible location of spontaneous combustion and the possible direction of methane flow in the goaf.

无区段煤柱工作面采空区的空气流动状况可用解析函数表示,并用图解法得到解析函数的数值解。图解的结果,对分析采空区内的瓦斯流动方向和可能发生自燃的位置是有益的。

The article gives a general overview of the achievements obtained during the thirty years since the founding of the People's Republic of China in the fields of ventilation,complex measures of dust prevention,dust prevention in open pit prevention of spontaneous combustion etc.as well as the concern of the Party and the Government over miner's safety and health. The article also points out problem areas in the science and technology of ventilation and dust prevention.The author suggests major areas of future...

The article gives a general overview of the achievements obtained during the thirty years since the founding of the People's Republic of China in the fields of ventilation,complex measures of dust prevention,dust prevention in open pit prevention of spontaneous combustion etc.as well as the concern of the Party and the Government over miner's safety and health. The article also points out problem areas in the science and technology of ventilation and dust prevention.The author suggests major areas of future research for improving the mine environment and preventing the silica dust hazard.

本文综合论述了建国三十年来冶金系统金属矿山在通风系统、综合防尘措施、露天矿除尘、预防自燃等方面所取得的成就以及党和政府对矿工安全健康的关怀。文中指出矿山通风防尘科学技术中存在的问题。以改善矿山环境、防止矽尘危害为主攻方向,作者对今后研究重点提出了建议。

The functional expresions of velocity and pressure of air in model coal-mining district dy meas of complex patentical concept are dealt with and it's characteristic giagram is drawn in this paper.Based on these results,the following four points are discussed: (1) deviring a formula of gas concentration at any point in goaf; (2) defining combustible area in goaf, and,in a general way, impossibility of spontaneous Combustion without entrance of fresh air from outside except working face; (3) illuminating the nature...

The functional expresions of velocity and pressure of air in model coal-mining district dy meas of complex patentical concept are dealt with and it's characteristic giagram is drawn in this paper.Based on these results,the following four points are discussed: (1) deviring a formula of gas concentration at any point in goaf; (2) defining combustible area in goaf, and,in a general way, impossibility of spontaneous Combustion without entrance of fresh air from outside except working face; (3) illuminating the nature of a new technique controling spontaneous combus tion by adjusting pressure of air-stream; (4) giving a simple method finding entra nce of fresh air from outside except working face, thisis very helpful for control-ng spontaneous combustion.

本文借助于复势概念,对典型采场导出了采空区内气体流动速度及风压的函数表达式,并绘制了采场特征图.在此基础上,研究了下面四个问题:(1)导出了采空区内任一点处瓦斯浓度公式;(2)确定了采空区内易燃的区域,并证明了在一股情况下的只要不从工作面以外的地方向采空区流入新鲜空气,采空区是不会自燃约;(3)说明了调压控制自燃的实质;(4)给出了在工作面及时发现新鲜空气不从工作面进入采空区的简单方法,这对控制采空区自然是非常有利的。

 
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