自燃

zì rán
  • spontaneous combustion;self-ignite;self-ignition;autoignition;pyrophoricity;breeding-fire
自燃自燃
自燃 [zì rán]
  • (1) [spontaneous combustion]∶在可燃性物质(如油布或潮湿的草料)中不用直接火或火花发生的着火,通常是由缓慢的氧化过程(如大气氧化或细菌发酵)在不能散热的条件下引起的

  • (2) [self-ignite]∶没有火焰或火花而着火(例如在高度压缩下)

自燃[zì rán]
  1. 介绍一起电缆沟内粉末无焰自燃引起的聚氯乙烯(PVC)绝缘护套电力电缆线路故障,分析产生故障的原因,提出防范措施与建议。

    This paper presents a line trouble occurred on a PVC insulated and sheathed power cable caused by the flameless self-ignition of powers in the cable trench .

  2. CO、SO2的浓度与烟雾出现次数呈正比关系,二者的变化规律基本相同,主要是由于残煤自燃引起的;

    The concentration of CO and SO_2 is in direct proportion to occurrence frequency of smoke , and alternation rule of CO and SO_2 is the same essentially , so self-ignition of remaining coal leads to the increase of concentration .

  3. 采空区场域自燃CO向工作面涌出的数值模拟

    Numerical Simulation of CO Gushing to Working Face During Spontaneous Combustion in Goaf Field

  4. 改进BP算法在开采煤层自燃危险性预测中的应用

    The application of modified BP neural network to predict mine coal layer spontaneous combustion

  5. 基于MATLAB工具箱的开采煤层自燃危险性预测

    Prediction of Spontaneous Combustion Risk in Mining Coal Layer by MATLAB Neural Network Toolbox

  6. Ca(OH)2对煤炭氧化及自燃倾向特性作用的研究

    Study and Action of Ca ( OH ) _2 for Features of Oxidation and Spontaneous Com-bustion of Coal

  7. BP神经网络煤自燃危险等级测评模型的研究及应用

    Development and application of risk grade measurement and evaluation model of coal spontaneous combustion with BP neural network

  8. 基于WSN的煤矿井下自燃火灾监测系统的设计

    Design of Spontaneous Fire Monitoring System of Coal Mine Underground Based on WSN

  9. DDS系列煤炭自燃阻化剂实验研究

    Experimental Investigation into the DDS inhibitors to Suppress the Spontaneous Ignition of Coal

  10. 采用XRD分析了自燃煤矸石胶凝材料中活性Al2O3在不同因素影响下水化形成钙矾石的情况。

    The ettringite formation of active Al_2O_3 in the spontaneous combustion coal gangue cementitious material is analyzed by XRD .

  11. n.干草干草堆放久了就会自燃。

    A stack of hay will self-ignite if it stays for a long time .

  12. 研究了可控活化热氛围协流中CO2体积分数对中央喷射液体燃料起升火焰的自燃及碳烟排放特性的影响。

    The effect of CO2 concentration in the co-flow on the auto-ignition characteristics and soot emission of central jets flames were investigated .

  13. 通过大量试验数据分析,提出了适用于四冲程汽油机可控自燃(ControlledAutoIgnition,CAI)燃烧的放热率模型。

    In this paper , a model for predicting heat release of the Controlled Auto Ignition ( CAI ) combustion was proposed based on in-cylinder pressure data .

  14. 应用DTM改善煤层自燃的热红外探测

    Using DTM to Improve the Accuracy of Detecting Coal Fires with Thermal Infrared Images

  15. 用煤岩吸附CO2是CO2的封存以及防止井下采空区煤自燃的主要手段之一。

    Coal and rock has become the CO2 absorption of CO2 sequestration and the prevention of spontaneous combustion of coal underground mined-out area of the main method .

  16. 计算在不同情况下采空区自燃高温点熄灭过程,以图形方式给出了采空区的漏风流态、氮气流态,描绘灭火降温过程中,采空区氧、CO和温度分布的动态变化过程。

    Referring to a practical example , air leakage seepage flow , oxygen concentration distribution , temperature distribution in goaf and the accelerating variation process of them with time are described theoretically .

  17. 可控自燃(ControlledAutoIgnition,CAI)汽油机因具有低氮氧化物排放和高热效率的特点而受到内燃机界的广泛关注,但CAI汽油机面临着火时刻控制和负荷扩展的难题。

    CAI ( Controlled Auto Ignition ) gasoline engines have been received a lot of attention from the world-wide automotive field due to their ultra-low NOx emissions and high thermal efficiency .

  18. 在地下开采中,黄铁矿常温下在空气中极易发生自燃,产生大量的热和SO2,不仅给作业人员带来职业危害,而且可能造成严重的事故。

    In underground mining , a large quantity of heat and SO2 gas resulted from spontaneous combustion of pyrite , brings professional harm and even severe accident .

  19. 本文应用X射线分析和扫描电子显微镜技术研究了在常温和蒸汽养护条件下自燃煤矸石水泥水化和强度发展。

    In this paper , by means of X-ray analysis and scanning electron microscope technology , the hydration and strength development of spontaneous gangue cement under the condition of normal atmospheric temperature and steam curing are analysed .

  20. 利用TM图像,结合区域实测、地质和区域能源分布资料,分析了煤田煤层自燃的光谱特征,对煤田地火燃烧区进行定位;

    According to the TM image in Baicheng of Xinjiang as well as the information of geology and mineral resources , the coal self-combustion zone in the Baicheng coalfield was delineated .

  21. 如果按从0分到100分评分,假如2011年11月iPhone在一架飞往澳大利亚的航班上自燃的事件得分为100;那么这次GalaxySIII在韩国自燃的得分仅仅为18。

    On a scale from 0 to 100 where the iPhone that caught fire on aflight to Australia in November 2011 is 100 , the exploding Galaxy S III was an 18 .

  22. 说明煤的自燃性取决于粒度小于3mm颗粒的比例,而不是其平均粒度。

    It proved that self-ignition of coal depends on the proportion of the coal particle smaller than 3 millimeter rather than the average particle size .

  23. 结果表明:GW-101型硫化亚铁钝化剂对防止硫化亚铁自燃效果明显。

    The results show that type GW-101 passivant has clear effect on avoiding slef-igniting of ferrous sulfide .

  24. 本论文针对采空区煤自燃火灾的预测,以煤炭自燃特性实验研究和现场观测为基础,采用软件开发工具VB6.0,开发了采空区浮煤自燃危险区域分析判定软件。

    Aiming at the forecasting of coal spontaneous combustion in goaf , a kind of software by means of VB6.0 has been developed to analyze and determine coal spontaneous combustion zone in goaf , based on the experimental studies and locale observation .

  25. 溶胶凝胶法制造UO2燃料微球的流体力学计算试验结果表明,随着自燃煤矸石粉取代水泥量的增加,胶凝材料体系需水量逐渐增大。

    Hydromechanics Calculation for Micro Sphere UO_2 Fuel Producted by Sol-Gelation Method Experiment shows that with the increment of substituted spontaneous combustion gangue powder for cement , the water demand of gelled material system is increased gradually .

  26. 针从目前煤矸石堆放导致的矸石的自燃,SO2、H2S气体的释放,酸性废水的形成,污染大气、土壤和水体等环境问题,提出了生物综合治理的新思路。

    In view of the environmental problems caused by the coal waste piling such as coal waste spontaneous combustion , SO_2 and H_2S release , formation of acidic waste water and pollution of atmosphere , soil and water body , a new thought of biological comprehensive treatment is proposed .

  27. 应用UDEC通过保持钻孔内的指定压力来模拟宾汉姆型浆液在规则不连续节理岩体中的注入过程。(5)准格尔煤田自燃采空区注浆防灭火浆液扩散行为的现场验证。

    Application of UDEC to simulate the injection process in the Bingham type of slurry in the rules discontinuous jointed rock masses by keeping drilling within the specified pressure . ( 5 ) The Jungar small kiln spontaneous combustion in goaf grouting anti-extinguishing slurry diffusion behavior of field-proven .

  28. 煤层自燃发火危险的模糊数学判定

    Risk Determination of Spontaneous Firing of Coal Seam with Fuzzy Mathematics

  29. 地面储煤堆自燃规律及测试方法

    Spontaneous combustion rule and measuring method of ground coal storage pile

  30. 自然环境条件下硫化铁自燃的影响因素

    Effect Factors for Spontaneous Combustion of Iron Sulfide in Natural Environment