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热积累
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  heat accumulation
     The results indicates that selfaccelerating reaction and heat accumulation are the main factors of the transition from thermal decomposition to thermal explosion for trinitro-methane under isothermal condition.
     结果表明:自加速反应和热积累是等温条件下三硝基甲烷热分解过渡到热爆炸的主要因素。
短句来源
     Numerical simulation results confirm that dressing of resin-bonded CBN grinding wheels by AOQ-switched Nd: YAG pulse laser has characteristics of little heat accumulation and small heat effect zone.
     仿真结果验证了声光调Q脉冲激光修锐树脂CBN砂轮时热影响区域和热积累小的特点。
短句来源
     Based on the detailed analysis of various fault characteristics of asynchronous motor,this paper brings forward an integrated microcomputer protection scheme which has sequence components as the basic protection criteria,and integrates heat accumulation and diffusion model.
     通过对异步电动机各类故障特征的详细分析 ,提出了以序分量为基本保护判据、结合热积累和热发散模型 ,构成微机型电动机综合保护的方案。
短句来源
     The main reason is the heat accumulation and preheating effects.
     热积累和预热效应是造成上述现象的主要原因
短句来源
     The results show two groups of thermal stability borders corresponding to two types of heat accumulation.
     求解结果表明,存在分别对应两种热积累情况的热稳定边界.
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  heat accumulating
     Different from the others, this protector simulates the processing of heat accumulation of motor using the software. It considers that there are different processes of heat accumulating and fanning out in cold or hot condition, so it implements the function of overload-protection reasonably.
     这种保护器不同于其它的是对电动机过载采用软件模拟电动机热积累的方法进行保护,它考虑了电动机在冷、热态下有不同的热积累与散热过程,合理地实现保护功能。
短句来源
     Through the detail analysis of all kinds of failure features of asynchronous m otor, an integrated safeguard scheme of motor, which takes sequence component as basic safeguard criterion and combines heat accumulating and heat dissipation m odels, is presented.
     通过对异步电动机各类故障特征的详细分析,提出了以序分量为基本保护判据、结合热积累和热发散模型,构成电动机综合保护的方案。
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  “热积累”译为未确定词的双语例句
     The Application of Generator Protection Relay for Thermal Imaging Overloads
     发电机热积累过负荷保护继电器的应用
短句来源
     The thawing settlement of permafrost is simulated by FEM in the paper. In simulating process, simulated temperature results in previous step is input to settlement simulating model as field variables, physical and mechanical parameters are defined as function of temperature, then uning soil consolidation theory the simulation is put into practice. Comparing calculated and test results, it’s approved that the simulating method is feasible and credible.
     冻土融沉是由于冻土内部热积累,降低了冻土的力学性能,导致土体融沉变形,本文应用有限元方法进行冻土融沉数值模拟,采用和温度场计算相同的模型,将温度场计算结果作为场变量,输入到模型位移计算中,模型材料的物理、力学参数定义为温度场的函数,利用土体固结理论进行模型位移的数值计算,比较试验和计算结果,验证了数值计算方法的可行可信。
短句来源
     The paper resolved the thermal accumulation value can be shown accurately in the LED.
     对热过载保护,给出了一种快速有效、实时性好的算法,使得热积累值可以在LED显示器上比较准确地实时显示出来。
短句来源
     Conventional generator's inverse time overcurrent protection assumes that generator overload in short time is adiabatic and its extra quantity of heat is used for a rise in temperature of stator winding with lack considering the heat dissipation, so the trip time of conventional criterion is shorter.
     传统发电机反时限过流保护认为发电机短时过负荷呈绝热特性 ,过负荷产生的额外热量全部用于定子绕组温升 ,不考虑其散热 ,因此在动作特性上比较保守 ,不能很好地反应热积累过程。
短句来源
     The general character of these accidents was that it was the accumulation of heat induced by the high speed friction of the metal parts in machinery that ignited the emulsification matrix.
     3起事故的共性是机械中金属部件高速磨擦产生的热积累最终引爆了乳化基质。
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  heat accumulation
Computer software has been developed for on-line control of heat accumulation and moisture loss involving automatic variation in pressure pulsation frequency and airflow direction as well as replenishment of water.
      
This is in clear contrast with the traditional tempe fermentation, which is already limited after 36 h by its own heat accumulation.
      
Microclimate ventilation at a rate of 40 l · min-1 was not sufficient to allow total heat dissipation but allowed 60-min exercise in a warm environment to be completed without excessive heat accumulation.
      
It is concluded that muscle heat accumulation did not cause fatigue in either case.
      
In the first two, the optimum base temperature selected for heat accumulation was 12.5°C.
      
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  heat accumulating
Experimental study and mathematical modelling of heat transfer processes in heat accumulating media
      
Experimental results on reversing non-stationary heat transfer are presented for filtration of an air flow through an immobile heat accumulating medium consisting of lead (D = 2.0, 3.5, and 4.5 mm) and glass (D = 3.2 mm) balls.
      
Effect of the heat accumulating capacity of refractories on their thermal shock resistance
      
The thermosyphons, activated by normal above ground air flow, draw out heat accumulating in the dam core.
      


A method for investigating the thermal explosion of condensed systems under isothermal condition has been presented, and the critical temperature, induction period and pre-explosional heating of the thermal explosion of trinitromethane has been experimentally investigated. The results indicates that selfaccelerating reaction and heat accumulation are the main factors of the transition from thermal decomposition to thermal explosion for trinitro-methane under isothermal condition.

本文提出了等温条件下研究凝聚体系热爆炸的方法。实测了三硝基甲烷热爆炸的临界温度、诱导期和爆前升温。结果表明:自加速反应和热积累是等温条件下三硝基甲烷热分解过渡到热爆炸的主要因素。

The uranium deposits related to the transformation type granites are widely distributed in South China and belong to mesothermal-epithermal type. These ore deposits derived their metallogenic substances mainly from such ore-bearing rocks as granites and sedimentary rocks, showing obvious characteristics of "using locally available materials". In view of the remarkable ore-rock time difference(32-431Ma), great dimensions of batholiths (>100km~2) and high contents of radioactive elements(U>10ppm), it is considered...

The uranium deposits related to the transformation type granites are widely distributed in South China and belong to mesothermal-epithermal type. These ore deposits derived their metallogenic substances mainly from such ore-bearing rocks as granites and sedimentary rocks, showing obvious characteristics of "using locally available materials". In view of the remarkable ore-rock time difference(32-431Ma), great dimensions of batholiths (>100km~2) and high contents of radioactive elements(U>10ppm), it is considered that radiogenic heat might have been a main metallogenic heat source for transformation type granite uranium deposits.Calculations on the basis of dimensions (34km~2), contents of radioactive elements(U 11ppm, Th 502ppm, K 4.4%) and thermal conductivity (K_m=2.51×10~(-2)Jcm~(-1)℃~(-1)) of the JJ granite pluton show that the accumulation of radiogenic heat from the granite body may have produced a stable heating field around the JJ granite body with temperature warying from 323℃, in the center to 167℃ in country rocks 3.73 km from the granite body. Therefore, the radiogenic heat is thought to be a main metallogenic heat source for granite-type uranium deposits in the studied uranium orefield.

木文在分析研究华南花岗岩型铀矿床成矿地质特征的基础上,根据JJ花岗岩体的规模(340km~3)、放射性元素含量(U 11ppm, Th 50.2ppm,K 4.4%)及围岩导热率(K_m=2.51×10~(-2)Jcm~(-1)℃~(-1)),计算得出JJ岩体由于放射成因热的积累可在其周围形成温度为323℃(岩体中心)—167℃(距岩体3.73km(水平)和7.87km(垂直))的稳定热场。笆者认为,放射成因热是华南花岗岩型铀矿床的主要成矿热能来源。

This paper analysis the reasons why a great moun of mining motors are destroyedby electrical faults. According to experience data and the standard, character chartfor an overload protection that related to discrete overload is developed, and a protection device based-on microcomputer with a intrinsitaly safe circuit is designed.

本文分析了目前煤矿井下低压防爆电机大量损坏的原因,提出了过载保护的特性曲线,考虑了断续过负荷的热积累时间.针对煤矿特点,研究设计了一种具有本质安全电路性能的综合保护装置.

 
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