热平衡

According to the principle of thermal equilibrium and piping thermorytic characteristics, the relationship between the flow velocity in the heating pipe and the greenhouse climate has been set up.

根据热平衡原理和管道散热特征，得到了热水管道加热时流速与温室环境温度的关系，建立了温室温度的控制模型。

This device uses overlapping compressor refrigeration technique and thermal equilibrium principle and cycle stir, to make the specimen automa

本设备采用复叠式压缩机制冷技术，使用热平衡原理及循环搅拌方式，达到对式样的自动均匀冷却，恒温。

Using the result of heat balance equation as the first kind of boundary condition of the simulation of the model, the software simulates the temperature and velocity field of the abroad model data and site measurement data of Shanghai International Gymnastics Stadium.

对上海国际体操中心比赛主场外环境、室内温度分布、室内负荷热平衡等进行了八大项目的现场实测。

Studied present measuring methods" advantages and disadvantages, and presented the necessity and importance of researching propellant transient heat transfer.2.according to 130 and aeronautic 90 rocket projectiles" structure, analysed and acquired physical and mathematical models for propellant transient heat transfer, also designed propellant temperature field simulation units for test.3.acquired discrete transient heat balance equation and temperature calculation program, and gave contrasting curves between experimental temperature values and program calculating temperature values as well as maximum errors and average square root errors between them.4.by programs based on the first class boundary condition, worked out temperature distribution in propellant temperature field simulation units at different time, analysed temperature field distribution law and main elements affecting heat transfer, acquired propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.5.established transient heat transfer mathematical model and temperature calculation program for the third class boundary condition, drew contrasting curves between temperature experimental values and calculation values and gave maximum errors and average square root errors between them, got temperature distribution in the simulation unit at different time and main elements affecting heat conduction, figured out propellant mass weighted average temperature and one at the half position of propellant maximum thickness as well as maximum errors and average square root errors between them.

分析了现有测试方法的优缺点，提出了研究推进剂瞬态导热的必要性和重要性。 2。根据130和航90两种火箭弹的结构，分析得到了推进剂传热的物理模型和数学模型，设计了推进剂温度场模拟实验装置。 3。得到了离散形式的瞬态热平衡方程和温度场计算程序，给出了实验温度与程序计算温度值的对比曲线及其最大偏差与均方差。 4。利用程序求出了第一类边界条件下、不同时刻推进剂温度场模拟装置中的温度分布，分析了温度场的分布规律和影响传热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处的温度时间曲线并给出了两者之间的最大偏差与均方差。 5。建立了第三类边界条件下的瞬态导热数学模型和温度计算程序，求出了温度实测值与计算值的对比曲线并给出了两者之间的最大偏差与均方差，得到了不同时刻温度场模拟装置的温度分布与影响导热的主要因素，求出了推进剂质量加权平均温度和最大肉厚1／2处温度及两者之间的最大偏差与均方差，讨论并确定了能代表130和航90推进剂温度的特征点的位置。

High freezing point oil reservoir ; in_situ heat fracturing treatment ; wellbore temperature profile ; heat balance equation ; mathematical model

高凝油油藏；自生热压裂技术；井筒温度场；热平衡方程；数学模型

With the method of vector analysis and coordinate transform,the direct solar radiation angle factor、the earth infra-red radiation angle factor and the reflected solar angle factor by earth are calculated.

在计算中利用矢量分析和坐标变换的方法求解出了太阳直接辐射、地球红外辐射和地球反照的辐射角系数，再根据传热学理论建立了瞬态热平衡方程。

So it is necessary to carry on deep research and calculation to the thermal balance system of the loader complete machine.

因此，本论文对装载机整机的热平衡系统进行了深入、全面的分析。

Generate at high temperature the typhoon of tall wet ocean environment is in mobile process, the oldest rate can be achieved horary the big wind energy of 300 kilometers reachs the quantity of heat of low latitude and lunt area in tall latitude, the hydro-thermal between facilitating north and south is exchanged, facilitating earth " the sea, air system " hot balance.

生成于高温高湿海洋环境的台风在移动过程中，最大速度可以达到每小时300公里的大风能把低纬度的热量和水汽带到中高纬度，促成南北之间的水热交换，促成地球"海—气系统"的热平衡。

The influences of different metallization ,different oxidation and different gas temperatures on coal and oxygen consumption were studied.

研究了金属化率、氧化度、荒煤气温度对煤耗、氧耗和煤气量的影响；通过对熔化气化炉热平衡分析，了解热量的收入与支出项；通过对还原煤气气体成分的分析图，判断该气体成分能否满足竖炉的需求，通过调整操作参数更新还原煤气的煤气成分。

A thermodynamic formula is presented to measure the value of Q and the temperature change in thermodynamic equilibrium for the biosphere in the broad sense. On the basis of experimental data, it is found that, in theory, the heat released by the use of fossil fuels and nuclear energy raises the global sea level by 35 mm per year or raises the temperature in the atmospheric troposphere by 0.11 ℃ per year.

给出了广义生物圈的热平衡测量Q值和温度变化的热力学公式，并在实际数据的基础上通过计算发现人类使用矿物燃料和核能所排放的热量理论上可使全球海平面每年升高35 mm或者可使大气对流层温度每年升高011 ℃。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。