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外部加热     
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  external heating
     Based on the following aspects: adjusting concrete match ratio, heat accumulation, external heating, adding anti-freeze agent, the construction method of concrete in winter and its application are discussed.
     文章从调整混凝土配合比、蓄热、外部加热、外加抗冻剂等方面阐述混凝土冬季施工方法和应用效果。
短句来源
     A new method is raised here, the coal combustion smoke is free molecule liquid or continuous liquid to the small particles. We get the calculation expression with physical parameters of pulverized-coal cloud and external heating conditions.
     本文从烟气相对于小煤粉粒子为自由分子流或连续流中提出了一种新的计算方法,结合煤粉群物性参数以及外部加热条件得到计算表达式。
短句来源
     Numerical analysis is made for the unsteady and steady, two-dimensional laminar natural convection in an enclosure caused simultaneously by the external heating and a local internal heat source.
     本文描述由一个局部内热源和外部加热同时作用引起的封闭空腔内非稳态、二维、层流自然对流换热的数值分析结果。
短句来源
     This paper introduces the applicability and usage of some winter construction methods for the concrete structure such as the heat accumulation method,admixture and high-early cement method,external heating method,comprehensive heat and accumulation method,and points out that the concrete winter construction methods include all measures for preventing the early-freeze of the concrete in the course of the hardening and reaching the critical strength under the positive temperature curing condition.
     介绍了混凝土结构冬期施工的方法——蓄热法、外加剂和早强水泥法、外部加热法、综合蓄热法的适用范围以及使用方法,并指出混凝土冬期施工方法是保证混凝土在硬化过程中防止早期受冻,在正温度养护条件下达到临界强度的各种措施。
短句来源
  outer heating
     According to the construction characteristics in winter in northern cold area, discussion is made on the construction maintenance in four aspects of non-heating, outer heating, ratio adjustment and additive which are available for the construction.
     结合我国北方寒冷地区冬期施工的特点,对冬期施工提出了养护期不加热法、外部加热法、调整配合比法、外加剂法四种方法,对冬期施工有一定的指导意义。
短句来源
  “外部加热”译为未确定词的双语例句
     NATURAL CONVECTION HEAT TRANSFER IN AN EXTERNALLY HEATED ENCLOSURE WITH A LOCAL INTERNAL HEAT SOURCE
     单个局部内热源和外部加热同时作用时封闭空腔内的自然对流换热
短句来源
     NUMERICAL STUDY OF NATURAL CONVECTION IN AN EXTERNALLY HEATED PARTIAL CAVITY WITH ALOCAL SOURCE
     局部内热源和外部加热同时作用时部分开口空腔内自然对流的数值研究
短句来源
     The result shows 1.The factor such as filling time,temperature difference between sugar solution andmaterials,and heating outside exerted greatly influence on the vaccum preserved speed in thevaccum preserved process.
     试验结果表明,鲜山楂制作低糖果脯的最佳工艺条件为:(1)真空渗糖过程的充气时间、原料与糖液的温差、外部加热等因素均对渗糖速度有显著影响;
短句来源
     Numerical and experimental studies were conducted on the influence of the diffusion of oxygen at the boundary of the coal stockpiles on spontaneous ignition, with a one-dimensional mathematical model and an experimental model of stockpiled coal.
     由于煤堆自燃进程很慢,在全尺寸煤堆上进行自燃过程的实验研究需要较长的时间,而且实验条件难以控制。 在本项研究中,建立了一个小型的实验装置并采用外部加热法来加速试样的反应速度,减小了实验规模,缩短了实验周期。
短句来源
     The effect of initial errors on the system stability is greater than that's of ex-ternal diabatic heating.
     同时,此结果又与以随机试验得到的结果进行了比较,积分两个月的结论是:矩方法在本模式中可以近似代替随机试验,初始条件的误差对系统稳定性的影响较外部加热的误差的影响要大。
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  相似匹配句对
     Analysis of the exterior environment.
     ·外部环境分析。
短句来源
     External Operation;
     外部操作;
短句来源
     Heating in the muffle.
     在马弗炉中加热
短句来源
     MICROWAVE HEATING OF SILICON-CARBIDE
     微波加热碳化硅
短句来源
     NATURAL CONVECTION HEAT TRANSFER IN AN EXTERNALLY HEATED ENCLOSURE WITH A LOCAL INTERNAL HEAT SOURCE
     单个局部内热源和外部加热同时作用时封闭空腔内的自然对流换热
短句来源
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  external heating
Extension of the combustion limits for a porous burner by external heating
      
This inhomogeneity may be due to external heating [4-6], a local raising of the temperature by Joule heating [2, 7, 8], and nonlinearity of Ohm's law [9-13].
      
In the presence of external heating, the possibility of such a flow has been demonstrated both experimentally and theoretically [6-8].
      
The latter process was performed in a titanium vessel equipped with an external heating chamber and three removable sieve overflow plates.
      
As the layer thickness is reduced gradually at a fixed external heating, the ratio of the dimensions will take on the values 0.7, 0.65, and 1, respectively.
      
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Reduction of nitric oxide(NO)with three different carbonaceous so-lids was investigated in a 96 mm diameter bed of quartz sand.It is flui-dized by nitrogen containing a small amount of nitric oxide.The bed is heated externally by an electric heater.Effect of char loading on NO reduction is studied over a wide range of temperatures.It is found that NO reduction appears to be not only dependent on temperature and car-bonaceous solid loading in the bed but also on its sources and that the reactivities of different...

Reduction of nitric oxide(NO)with three different carbonaceous so-lids was investigated in a 96 mm diameter bed of quartz sand.It is flui-dized by nitrogen containing a small amount of nitric oxide.The bed is heated externally by an electric heater.Effect of char loading on NO reduction is studied over a wide range of temperatures.It is found that NO reduction appears to be not only dependent on temperature and car-bonaceous solid loading in the bed but also on its sources and that the reactivities of different carbonaceous Solids depend strongly upon their physical properties,such as surface area and porosity,but to a less extent on their carbon content.For example,even the carbonaceous loading(char no.1 and no.2)is as low as 1%,the concentration of NO in the entry(1000 ppm)can be lowered down to less than 100 ppm in the exit only when the bed temperature is higher than 800℃.Kinetic evaluation was performed with char no.1,Based on the two-phase bubble model with both bubble phase and emulsion phasplug flow,the data are analyzed to formulate the reaction rate equation.The activation energy and pre-exponential factor are 31,700 cal/mol and 9.66x 10~8 1/sec respectively.

外部加热的流化床(φ96mm,氮气流化)中,在温度600—850℃、床内炭藏量1—4%的范围内,考察了NO 和炭的还原反应。使用了三种不同性质的炭作还原物,对其还原性能相异的原因作了初步探讨;考察了温度和床内炭藏量对NO还原的影响,表明只要反应温度高于800℃,即使炭藏量(炭1和炭2)为1%,NO 的浓度可从入口处的1000ppm 降至出口处的100ppm 以下;对炭1与NO 的还原反应作了动力学分析,求得反应速度常数K=9.66×10~8 e(-31700/RT)。

The evolution of large scale system is examined in a time-averaged stoch-astic dynamic model of moment equations, in which effects of the errors of initial conditions and external diabatic heating on the stability of climatic system are included. The effect of initial errors on the system stability is greater than that's of ex-ternal diabatic heating.

本文采用时间平均的矩方程随机动力气候模式,对大尺度大气系统的演化情况进行了计算,其中考虑了初始条件的误差和外部非绝热加热的误差对系统稳定性的影响,并比较了它们的相对重要性。同时,此结果又与以随机试验得到的结果进行了比较,积分两个月的结论是:矩方法在本模式中可以近似代替随机试验,初始条件的误差对系统稳定性的影响较外部加热的误差的影响要大。

This paper presents a review of the finite time thermodynamics for heat en-gines in respect of the following aspects:the study of Newton law system,ananalysis of thermal resistance and other irreversible loss models effects as wellas finite reservoirs and source-type reservoirs effects,and finally,the applicationof heat engine design and its evaluation.

本文从以下几个方面介绍了热机有限时间热力学的研究现状:牛顿定律系统的研究,热阻和其它不可逆损失模型的影响,有限热容热源的影响,外部加热速率的影响,以及热机设计和评估中的应用。

 
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