热传递

Numerical Simulation of Flow Field in Pulsating Fluidized Bed Under special entry conditions, the CFD is used to simulate the three-dimension fluidized bed with different oscillation intensity and frequency in order to research the effect of sound oscillation on flow field in the fluidized bed. The results indicate that the sound oscillation can make the distribution of the flow field more uniform and can promote the heat and mass transfer.

脉动流化床流场模拟在特定的入口条件下，应用计算流体力学技术对三维流化床在不同振动强度、不同频率扰动作用下的流场进行模拟，得到声波扰动对流化床流场分布的影响，结果表明声波振动可以使流化床内的流场分布更加均匀，促进热质传递。

The theories on pyrolysis and coking and hydrogenation of heavy oil are used to know the liquefaction and gasify and coking of coal. 3. The results of particle feeding in the hot plasma jet (1) By using the cold state of spraying the diesel oil mist transversely in the air flow at the subsonic and ultrasonic speed to imitate the stress condition and motion trace of coal powder in the plasma jet, it shows that with the speed of air flow changed from subsonic speed to ultrasonic speed, the uniformity of mixture between the coal powder with certain speed and air flow becomes worse, mixture length becomes shorter, which agrees with the law of momentum transfer.

三、热等离子体射流中颗粒注入研究的结果(1)利用柴油油雾在亚、超音速气流中横向喷射冷态模拟煤粉在等离子体射流中的受力和运动轨迹，结果表明随着气流速度由亚音速向超音速增加，一定速度的煤粉与气流混合均匀度变差，混和长度增加，符合动量传递规律。

This way of passing heat is called conduction.

这种传递热量的方式叫热传导。

This system uses molten plastic insulation to reduce the effects of heat transfer and the loss of other places in the mold .

这一系统利用熔融塑料的隔热效果来减少热的传递和在模内其他地方的损失。

Accordingly, in order to provide insight into the function of coenzyme B12 and the mechanism of enzymatic catalysis, it is necessary to investigate the conformational change of corrin ring accompa-nying the Co-C bond homolysis, the Co-C bond dissociation energy, and the factors influencing the Co-C bond strength.

激光诱导时间分辨光声量热法(laser-induced optoacoustic calorimetry，简称LIOAC；或time-resolved photoacoustic calorimetry，简称PAC)是在纳秒至微秒时间量级上直接定量检测激光诱导光化学反应及光生化反应过程中能量传递以及有关反应分子体积变化的新方法。

The present process combines alloying with a solid-state reaction, which is controlled by interdiffusion of elements.

在本试验条件下，TiC以形核-逐渐长大的方式生成，没有发生自维持反应，这是由于Al及部分Ti起到了稀释剂的作用，使绝热合成温度大大降低，而且Al分隔了反应组元，影响了物质传输与热量传递。

The Phase Rule states that for a system in equilibrium, in our example, the rock at the time of metamorphism

在一个封闭的多相体系中，相与相之间可以有热的交换、功的传递和物质的交流，相律就是揭示相平衡体系中相数P ，独立组分数C和自由度 F 之间关系的规律。

The results show that it is rational in Mond method for the parameter selection including combustion heat, primary components and mixed component. Finally, the paper proposes a few improvements on the computational model and the quantification parameter selection.

结果表明蒙德法中燃烧热、重要物质选取、混合物质等参数选取是合理的，同时阐明了偏差传递过程及对评价结果的影响；最后针对具体问题提出了建议和解决办法，如改进计算模型和量化参数取值等。

This paper p resents an automatic transfer method and its engineering implementation for the different data types in the ARCnet industrial network data package transfer

在以ARCnet工业网络为基础的分布式主汽温、再热汽温自适应控制系统的网络数据包通信中，网络数据包以字节方式传送，而控制站与监控站上位机之间以浮点数方式交换数据信息为解决这一问题，文章给出了数据包在ARCnet工业网络的传递中实现不同数据类型自动转换方法及工程实现

The interface of porous cell and fuel duct is an especial penetrative surface, it has complicated law of mass and heat transfer.

多孔层和燃料输送通道的界面处，存在一个微尺度和亚微尺度共同控制的特殊渗透面，该界面上的热质传递规律也比较的复杂。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。