煤中氮

  • 网络nitrogen in coals;nitrogen content of coal
煤中氮煤中氮
  1. 建筑形态的有机性研究表明:煤中氮主要以有机形态赋存;

    The Organic Form of Architecture Nitrogen in coals is principally of organic nature .

  2. 煤中氮元素测定可替代方法验证和单次测定结果偏离评估报告

    The check analysis of substitution method for measurement of nitrogen in coals and the evaluation report on deviation of single measurement

  3. 以模型化合物吡啶研究煤中氮转化成HCN和NH3的机理

    Formation Mechanism of HCN and NH_3 during Coal Pyrolysis and Gasification from Fuel-N Using Model Compounds Pyridine

  4. 介绍了煤中氮元素的存在形态及NOX的形成机理,挥发分氮及焦氮在燃烧过程中的形成规律及分配比例。

    The nitrogen existence form , NO_X formation mechanism of fuel nitrogen and proportion of volatile nitrogen to char nitrogen during combustion are summarized .

  5. 煤中氮在热解过程中主要残留于半焦中,生成的HCN和NH3所占比例较小。

    During coal pyrolysis , most of nitrogen in coal retains in char , only small proportion of nitrogen transforms into HCN and NH3 .

  6. 实验结果表明,在燃烧条件下煤中氮转化为HCN、NH3的比例很高,这一释出过程伴随着煤燃烧过程而发生;

    The results show that the nitrogen in the coal can produce high proportion of HCN and NH_3 during combustion . In the temperature range 400 ?

  7. 我国煤中氮的分布规律及其计算

    Distribution of Nitrogen in Chinese Coal and Its Calculation formulae

  8. 宜宾煤中氮的形态及其变迁规律研究

    Investigation of Nitrogen Functionality in Yibin Coal and Its Char

  9. 煤中氮热解析出转化的颗粒模型研究

    A particle model on the formation of no from the coal volatile nitrogen

  10. 煤中氮在热解过程中释放规律的数学模拟

    Mathematic simulation of nitrogen release rule during coal pyrolysis

  11. 中国煤中氮的含量及其分布

    Contents and distribution of nitrogen in Chinese Coals

  12. 根据其生成机理,它主要来自煤中氮的氧化以及高温下空气中N_2和O_2的反应。

    According to its formation mechanism , NO_x essentially derives from oxidation of nitrogen in coal and blast air .

  13. 煤中氮元素在煤燃烧过程中会转化为各种氮的氧化物,从而造成环境污染。

    During the combustion process of coal , the nitrogen element in coal may turn to various oxides of nitrogen , thereby , resulting in ambient pollution .

  14. 运用GB/T18510-2001中与标准物质相比较的方法对运用高温燃烧热导池检测法测定煤中氮的结果进行t-检验和F-检验,证明该方法完全符合GB/T476-2001中对氮元素测定的要求。

    According to GB / T 18510-2001 , by the method of comparing with reference matters , the authors carry out t-test and F-test for the measurements of nitrogen in coals by high temperature combustion thermal conductivity cell detector .

  15. 研究结果表明:NOx主要是在煤粉着火过程中产生的,其生成量与煤中的氮含量和挥发分含量密切相关;

    Study results show that NOX is primarily emitted during pulverized coal 's ignition process and is strongly influenced by the coal 's nitrogen and the volatile content ;

  16. 煤燃烧中氮释放特性试验研究

    Experimental Investigation of Nitrogen Release Characteristics in Coal Combustion Process

  17. 氧对宜宾煤中燃料氮迁移特性的影响

    Investigation on Effects of Oxygen on the Transformation of Yibin Coal Nitrogen Functionality

  18. 水煤浆中氮的测定方法研究

    Method of Testing Nitrogen in Coal Slurry

  19. 管式沉降炉和小型煤粉燃烧试验炉在煤燃烧中氮释放特性试验研究中的应用

    Drop Tube Furnace and 3.5 kW Furnace Used on Experimental Investigation of Nitrogen Release in Combustion Process

  20. 流化床煤燃烧中氮氧化物的生成机理

    A study on the Generation Mechanism of Nitrogen-Oxygen compound Puring the Process of Fluidized Bed Coal Combustion

  21. 矿物质对煤中硫氮在热解气化过程中迁移变化的催化作用

    The catalytic effects of minerals in coal on transition of nitrogen and sulfur during coal pyrolysis and gasification

  22. 煤中挥发氮析出过程模拟:不同热解模型的影响

    The effect of various devolatilization models on the performance of numerical simulation of the formation of NO from the coal volatile nitrogen

  23. 同时对“油改煤”中氮厂的技术改造提出了一些看法和建议。

    Moreover , some opinions and suggestions on technical revamping of middle nitrogenous fertilizer plants , which have replaced their oil feedstock by coal , are put forward .

  24. 煤热解产物中氮、硫分布的模型预测

    Model prediction of nitrogen and sulphur distribution in coal 's pyrolysis products

  25. 煤热解过程中氮的分配及存在形态的研究进展

    Study of nitrogen distribution and functional forms during coal pyrolysis

  26. 4种动力用煤燃烧过程中氮氧化物的生成特性

    NO_x Release Characteristics of Four Power Coals in Combustion

  27. 煤热解过程中氮、硫析出形态的研究进展

    Research Advancement of Nitrogen and Sulfur Separate Out Form in Coal Pyrolysis Process

  28. 浮选精选机,浮游精选机浮选对煤热解过程中氮、硫迁移的影响

    Effect of Flotation on the Transformation of Nitrogen and Sulfur during Coal Pyrolysis

  29. 基于模型化合物的煤中吡啶型氮热解规律试验研究

    Experimental study on pyrolysis regularity of pyridine type nitrogen in coal based on model compuonds

  30. 对煤燃烧过程中氮氧化物的前驱体、有害痕量元素及亚微米颗粒物的排放与控制进行了系统的研究。

    A systematic study on emissions and control of nitrogen oxide , toxic trace elements and submicrometer particles during coal combustion was conducted .