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transfer
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    Study on the Thermal Shock and Random Heat Transfer Process of Piston
    活塞热冲击与随机传热过程的研究
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    Study and Application of Model for Heat and Mass Transfer in Capillary Porous Media during Drying
    毛细多孔介质干燥过程中传热传质模型研究及应用
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    Study of Heat Transfer and Flow in Porous Media with Phase Change for Some Applications
    多孔介质相变传热与流动及其若干应用研究
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    Entranspy and Its Applications in Heat Transfer Optimization
    火积及其在传热优化中的应用
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    Nonlinear Attribute and Heat Transfer Oscillating Characteristics in Two Phase Closed Thermosyphon
    两相闭式热虹吸传热过程及其非线性特征研究
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    Enhanced Heat Transfer Technology of Longitudinal Vortices Based on Field-Coordination Principle and Its Application
    基于场协同理论的纵向涡强化换热技术及其应用
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    Theoretical and Experimental Researches on Fouling Monitoring of Heat Transfer Surface and Sootblowing Optimization in Utility Boiler
    电站锅炉受热面污染监测及优化吹灰的理论与实验研究
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    Thermodynamic Analysis and Application of Convective Heat Transfer
    对流换热过程的热力学分析及其应用
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    Monte Carlo Simulations on Micro- and Nanoscale Gas Flow and Heat Transfer
    微纳尺度气体流动和换热的Monte Carlo模拟
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    Visual Study and Analysis on Flow and Heat Transfer in Microchannel
    微细通道内流动与换热可视化实验研究与分析
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  transfer
Using these monomial bases we prove that the image of the transfer for a general linear group over a finite field is a principal ideal in the ring of invariants.
      
The weighted inequalities allow us to transfer the result to the ergodic case, when the operator is induced by a mean bounded, invertible, positive groups.
      
A gene regulatory mechanism has been proposed in which steroid hormones and certain other drugs bind to nuclear receptor proteins followed by transfer to DNA where they are inserted between base pairs.
      
3D QSAR STUDIES OF INHIBITORS OF CHOLESTEROL ESTER TRANSFER PROTEIN (CETP) BY CoMFA, CoMSIA AND GFA METHODOLOGIES
      
A boundary element method for a nonlinear boundary value problem in steady-state heat transfer in dimension three
      
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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?

This paper proposes a method of analysis for problems of complex heat transfer in high-temperature furnaces, based upon the idea of thermal resistances in series and in parallel, and gives formulae for calculating the chief items of thermal resistances in a rotary kiln. It is proposed to use △(Tn) as the driving force in radiant heat-transfer. In a full discussion of periodic heat-flow into and from a refractory lining, it is pointed out that the "Thermal impedance" applicable to average values of...

This paper proposes a method of analysis for problems of complex heat transfer in high-temperature furnaces, based upon the idea of thermal resistances in series and in parallel, and gives formulae for calculating the chief items of thermal resistances in a rotary kiln. It is proposed to use △(Tn) as the driving force in radiant heat-transfer. In a full discussion of periodic heat-flow into and from a refractory lining, it is pointed out that the "Thermal impedance" applicable to average values of temperature and heat flow is different from the ordinary a.c. impedance (applicable to r.m.s. values), and an approximate formula based upon rational analysis is given. The simplified mechanism of heat transfer between granules of calcinated material is also discussed.

本文根据串联和并联“热流阻力”的概念,提出了综合解决窑炉传热问题的“热流线路分析法”,并分别解决了旋窑中各项主要“热阻力”的计算公式。本文中建议把△(T~n)作为辐射传热的推动力。在讨论衬砖周期蓄热过程中,指出了适用於温度及热流的平均值的“阻抗”公式,与适用於“方均根值”的交流阻抗公式不同,并提供了一个有理论根据的近似公式。对物料粒子间的传热机理亦作了初步分析。

Through calculation of concrete boiler design, the paper discusses: the influences of gas recirculation to the heat transfer of different heating surfaces; the suitable arrangement of steam reheater; the amount of recirculating gas needed for controlling the reheat temperature; and the influence of gas recirculation to the economy of boiler plant. The paper also gives a brief review of the peculiarities of different reheat temperature controlling methods.

本文通过了具体鍋爐机组的热力計算与分析,說明烟气再循环对各个受热面传热的影响,中間过热器的合理布置,为維持二次汽溫所必需的再循环烟量,以及烟气再循环对鍋爐經济性的影响,还簡要論述二次汽溫各种調节方式的一些基本特点。

 
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