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burning
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  燃烧
    Modeling of Coal Combustion Near the Wall and Studying of Burning Characteristics in the Liquid-bath Combustor
    煤粉近壁燃烧模型构建及液排渣式燃烧器的特性研究
短句来源
    An Analysis of The Erosive Burning Pressure Peak
    侵蚀燃烧压力峰的分析
短句来源
    SIMPLIFIED BURNING MODEL FOR COAL-WATER SLURRY DROPLETS
    水煤浆滴燃烧过程的简化数学模型
短句来源
    A Model for Erosive Burning of Solid Propellant Based on Statistical Theory of Turbulent Flame
    根据紊流火焰统计理论所建立的固体推进剂侵蚀燃烧模型
短句来源
    ANALYSIS AND CALCULATION OF MULTISTEP GAS-SOLID PARTIELE EJECTOR WITH THE APPLICATION TO BOILING BURNING BOILER
    多级气-固引射器的研究计算及其在沸腾燃烧锅炉的应用
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    Application of Bluff-Body Stabilizer in Boilers Burning Bituminous Coals of High-Ash Content
    钝体稳器在用高灰分劣烟煤锅炉上的应用
短句来源
    A STUDY OF THE FUEL CONTROL SYSTEMFOR BURNING METHANOL BY DUAL FUELLINGMETHOD IN DIESEL ENGINES
    柴油机用双料法用甲醇的料控制系统的研究
短句来源
    EGT Experience with Gas Turbines Burning Ash-Forming Fuels
    EGT在气轮机用灰分料方面的经验
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    CALCULATION OF ACTUAL BURNING RATE CONSTANT IN SOLID ROCKET MOTOR
    固体火箭发动机实际速常数的计算
短句来源
    DEVELOPMENT OF FERROCENE BURNING RATE CATALYSTS
    二茂铁速催化剂的发展状况
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    EFFECT OF BURNING METHANOL WITH DIESEL FUEL ON COMBUSTION KNOCKNESS
    柴油机掺甲醇对燃粗暴度的影响
短句来源
    Circulating Fluidized Bed Boiler Development for Burning Petroleum Coke
    高硫石油焦循环床锅炉的技术发展
短句来源
    Technical Reform and Application of B.F. Gas Mixed Burning in 14~# Boiler for Tiantie
    天铁14~#锅炉掺高炉煤气改造与应用
短句来源
    Elimination of Slagging of a 600 MW Boiler by Mixed Burning of Coal with High Ash Melting Point
    600MW锅炉掺高灰熔点煤解决结焦
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    Experimental Research on Burning Bituminuous Coal in200MW Brown Coal Generating Set
    200MW褐煤机组改烟煤的试验研究
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  “burning”译为未确定词的双语例句
    Microcomputer Montorng System for SJG—20 Coal—Burning Boilers
    SJG—20型燃煤锅炉微机监控系统
短句来源
    Influence of Grinding Fluid on Workpiece Burning
    磨削液对磨削烧伤的影响
短句来源
    AN INVESTIGATION OF BURNING M20 EMULSIFIED FUEL OF METHANOL AND DIESEL OIL IN DIESEL ENGINES
    M20甲醇-柴油混合燃料在柴油机上的应用研究
短句来源
    THERMAL CALCULATION FOR BURNING COAL ORGANIC HEAT CARRIER HEATING FURNACE
    燃煤热油载体加热炉的热力计算
短句来源
    Study on the Ultrasonic Emulsion Technology of the Burning Oil Added with Water
    燃油掺水超声乳化技术的研究
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  burning
A total of 20.7% of carbon storage in the soil (0-45 cm) of burnt areas was lost 40 days after burning.
      
Pyrolytic characteristics of burning residue of fire-retardant wood
      
In order to investigate the pyrolytic characteristics of the burning residue of fire-retardant wood, a multifunctional fire-resistance test oven aimed at simulating the course of a fire was used to burn fire-retardant wood and untreated wood.
      
Samples at different distances from the combustion surface were obtained and a thermogravimetric analysis (TG) was applied to test the prrolytic process of the burning residue in an atmosphere of nitrogen.
      
Human disturbance, especially slash-burning and site preparation, was another factor leading to the decrease.
      
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Ⅰ. The Coal Classification Method for the Chinese Coals. (а) The Ultimate Analysis Graphical Coal Classification Method-Use the volatile Mateer on Combustible basis Vr as abscissa and the simplified coal characteristic coefficient as ordinate. (б) Proximate Analysis Graphical Coal Classification Method-Use the volatile matter on combustible basis VT as abscissa and the fixed carbon on ash free basis F. C.w Ⅱ. The Ranks (kinds) of the Chinese Coals-By using the two above mentioned graphi- ed coal classification...

Ⅰ. The Coal Classification Method for the Chinese Coals. (а) The Ultimate Analysis Graphical Coal Classification Method-Use the volatile Mateer on Combustible basis Vr as abscissa and the simplified coal characteristic coefficient as ordinate. (б) Proximate Analysis Graphical Coal Classification Method-Use the volatile matter on combustible basis VT as abscissa and the fixed carbon on ash free basis F. C.w Ⅱ. The Ranks (kinds) of the Chinese Coals-By using the two above mentioned graphi- ed coal classification methods, the Chinese coals available with ultimate analysis or proximate analysis data can be easily classified into the following different kinds as known internationally: -anthracite (A), semi-athracite (T), semi-bituminous ( C), coking coal (k), steaming fat coal ( ), gas coal ( ), long flame (candle) coal ( ) and lignite coal ( ), as tabulated on Table - 4. Ⅲ. The Properties of Chinese Coals. (а) The composition of the Chinese Coals - with the exception of ash and sulfur which vary irregularly, the other constituents. like carbon, hydrogen, oxygen, nitrogen and analytical moisture vary regularly with the variation of the vodatile matter on combustible basis V in the different stage of carbonization. (б) The Reltation between the ultimate analysis and proximate analysis for the Chinese Coals- In the bituminous coal region, the data of proximate analysis can be transferred to the ultimate analysis proximately according to the straight line formula, as for the bituinous coal. The other constituents like H, O and N, S can also be obtained by the straight line formulas as shown on the graph. (в) The Heating Value of Chinese Coals - The Heating Value of Chinese Coals; when only ultimate analysis data is available, can be checked by using the Mendeleef formula; when Duly the proximate analysis data is available, the heahng value can be checked by the Goutal Formula. When illers is only the ultimate data without any bomb calorimeter, the heating value can be obtained by the following empirical formulas:(p) The Coking Property of the Chinese Coals---The ebbing property can be represent6d by' foe coking coeffident as suggested by the author, the ratio of hydrogen to oxygen on combustible. basis (%). With the exception of anthraede, semi--anthracite and liana, ' which will have the ash in powderform, when burned, the other bituminous coals like (1) Semi--bituminous and part of the coking coal, when Vr- 16 ~ 24 7o and (%) = 0.90 1 .8, the ash after combustion will become softly caked; (2) for coking coal, Steaming fat Hr coal and gas coal, when Vr~25-47 and M~0. 58-1 .2, the ash after combustion will become strongly caked; (3) FOr gas coal and long flame coal, when Vr~31 ~46 ac and aam: =0. 34-0. 50, the ash will become softly caked. f {if) The Combustion Characteristics of Chinese Coals -- The combustion characteristics vary with the kind of coal. Which kind of coal is suitable for what kind of industrial use and which type of furnace is suitable for burning what kind' of 'coal,. all depends uPOn the rank, composition and combustion charact6rislics of the coal. F6, economy, it is necessary >to burn the poor quality coal nearby and the problem of caking inside the furnace resulting from poor quality coal muSt be properly solved. ' (in) The ash Fusion point of Chinese Coals -- The ash composition affects the fusion point. greatly. The change in ash composition will of feet the fusion poillt. Thus increasing the met,ilie oxides in the coal ash liko FeZO3, CaO and MAO ate. will raduce the fusion point and will fadlitate the ash disposal in fluid form. On the other hand, whother increasing 'the kaolin (fire clay) in the ash composition will raise the ash fusion point or not is a problem worthy for further investigation and research. ' '. It may be reaseonably assumed as suggested by the auther that the coal ash is mainly consisted of kaolin (Al.O, ZFios ZHZO) + free SiOZ + different motailic odddes (FavOr, CaO and MgO, etc ). When coal is burned, the free SiOZ will combine with some of the metallic

(Ⅰ)中国煤的分类法 (а)元素分析图解分类法─—横坐标采用纯燃质挥发物百分数V而纵坐标则用简化特性系数 (б)实用分析图解分类法─—横坐标采用纯燃质挥发物百分数V而纵坐标则采用去灰定炭百分数F.C。 (Ⅱ)中国煤的分类类别 根据上列二个新的图解分类方法,中国煤在有元素分析或实用分析数据后,即可从图解上求得分类类别,中国煤按照国际间一般分类标准,可以分为无烟煤,瘠煤、蒸汽结焦煤,炼焦煤,蒸汽肥煤,瓦斯煤,长火焰烟煤,褐煤等,已列在中国煤突用分析数据表的最后一项。 (Ⅲ)中国煤的特性 (а)中国煤的成分─—中国煤的成分,除灰分与硫磺的变化无规律外,其他成分如碳素,氢素,氧素,氮素,分析水分等的变化极有规律,此外煤的工作质水分则受外界气候影响而变化,但吸收水分(即分析水分)划与煤的含氧量有失,而变化很有规律。 (б)中国煤的元素分析与实用分析的关系─—中国煤的实用分析数据,在烟煤区域,可以按照直线关系公式,转变力元素分析的近似数据。例如其他成分如H,O及N S等亦可从直线公式(如图上所示)求得平均数值。 (в)中国煤的发热量──中国煤的发热量,若有元素分析数据,则应用门捷列夫公式来计算核对;若仅有实用分析数据,则...

(Ⅰ)中国煤的分类法 (а)元素分析图解分类法─—横坐标采用纯燃质挥发物百分数V而纵坐标则用简化特性系数 (б)实用分析图解分类法─—横坐标采用纯燃质挥发物百分数V而纵坐标则采用去灰定炭百分数F.C。 (Ⅱ)中国煤的分类类别 根据上列二个新的图解分类方法,中国煤在有元素分析或实用分析数据后,即可从图解上求得分类类别,中国煤按照国际间一般分类标准,可以分为无烟煤,瘠煤、蒸汽结焦煤,炼焦煤,蒸汽肥煤,瓦斯煤,长火焰烟煤,褐煤等,已列在中国煤突用分析数据表的最后一项。 (Ⅲ)中国煤的特性 (а)中国煤的成分─—中国煤的成分,除灰分与硫磺的变化无规律外,其他成分如碳素,氢素,氧素,氮素,分析水分等的变化极有规律,此外煤的工作质水分则受外界气候影响而变化,但吸收水分(即分析水分)划与煤的含氧量有失,而变化很有规律。 (б)中国煤的元素分析与实用分析的关系─—中国煤的实用分析数据,在烟煤区域,可以按照直线关系公式,转变力元素分析的近似数据。例如其他成分如H,O及N S等亦可从直线公式(如图上所示)求得平均数值。 (в)中国煤的发热量──中国煤的发热量,若有元素分析数据,则应用门捷列夫公式来计算核对;若仅有实用分析数据,则可用古?

Pulverized-coal-fired precombustion chamber is a kind of new coal burning equip- ment. By using two precombustion chambers in the boiler SHF-20/13 made by the peking Boiler works,the volumetric heat releasing rate of the furnace has attained the value of 240 x 103 kcal/m3h, the dimensions of the boiler are greatly reduced, the weight of the steel used is reduced about 35 percent. After careful observations in a series of experiments, the following improvements are made: modification of the construction...

Pulverized-coal-fired precombustion chamber is a kind of new coal burning equip- ment. By using two precombustion chambers in the boiler SHF-20/13 made by the peking Boiler works,the volumetric heat releasing rate of the furnace has attained the value of 240 x 103 kcal/m3h, the dimensions of the boiler are greatly reduced, the weight of the steel used is reduced about 35 percent. After careful observations in a series of experiments, the following improvements are made: modification of the construction of the chamber using Ⅱ and Ⅲ type chambers; using a new swirler of smaller attack angle; adding a mixing plate in the duct to make the fuel air mixture more uniform. When some of bituminous coal is used, these improvements make the operation of the precombustion chamber rather reliable. The duration of trouble free operation has attained more than 15 days, without the trouble encountered in the experiment, the duration of operation might be still longer. The experiments show that this kind of precombustion churner is very prospective.

煤粉予燃室是一种新型的煤粉燃烧方式。北京锅炉厂制造的 SHF-20/13型锅炉在 采用煤粉予燃室后,锅炉炉膛体积热负荷高达 240x103[大卡/米3时],锅炉外形尺寸大 为缩小,约可节省钢材35%。 煤粉予燃室经过改进,采用了Ⅱ 、Ⅲ型予燃筒,35°平面叶片旋流器并加装风粉均 匀板,在燃烧灰熔点高的烟煤时,已可连续运行15天以上。试验研究说明煤粉予燃室 是可能很有前途的。

According to experience in Chekiang within the past seven years, it is clear that over-flow type fluidized bed furnace is a rational type for burning low calorific value and low grade stone coal.in this article, a general description of main feature of the aerodynamic choracteristics of stone coal boiler with fliudized bed toqether with a brief analysis for ignition and burning process is given causes of low efficiency for burning stone coal in fluidized bed furnace and ways to decrease loss...

According to experience in Chekiang within the past seven years, it is clear that over-flow type fluidized bed furnace is a rational type for burning low calorific value and low grade stone coal.in this article, a general description of main feature of the aerodynamic choracteristics of stone coal boiler with fliudized bed toqether with a brief analysis for ignition and burning process is given causes of low efficiency for burning stone coal in fluidized bed furnace and ways to decrease loss of mechanical incomplete combustion were preliminarily investigated.

沸腾炉是一种新型的燃烧方式,浙江省七年来的实践表明,溢流式沸腾炉是燃用低热值劣质石(火乚)的一种合理炉型。本文概述了石(火乚)沸腾锅炉的主要流体动力特征,对劣质石(火乚)在沸腾炉内的着火和燃烧过程作了简要分析,对石(火乚)沸腾炉燃烧效率不高的原因和降低机械未完全燃烧损失的途径进行了初步试验探讨。

 
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