查询词典 Heat

Is a professional production of large-scale explosion-proof heaters, high temperature heat pipetemperature Electrical, mechanical and electrical cellular heat pipe dehumidification drying, central air-conditioning fan coil heater, heating tube electric reflow wave soldering wire,, shoe-making mechanical and electrical heat pipe, mold heating pipes, electric cigarette tube equipment, pharmaceutical machinery electric pipe, electroplating equipment, heating tube, heater Teflon, titanium heating tube, far infrared heating tube, quartz heating tube, ceramic tube heater, titanium system without Pb furnace, electric lap Limited, and Deputy States imports and compensation of thermocouple wire.

深圳市新宏大电热科技有限公司是一家专业生产大型防爆加热器、高温型模温机电热管、蜂巢式除湿干燥机电热管、中央空调风机盘管加热器、波峰焊回流焊电热管电热丝、、制鞋机电热管、模具加热管、卷烟设备电热管，制药机械电热管、电镀设备加热管、铁弗龙加热器、钛加热管、远红外电热管、石英电热管、陶瓷电热管、钛制无铅锡炉、电热圈的有限公司，并代理各国进口热电偶及补偿导线。

In the paper, we investigate, respectively, the unsteady transport properties of heat and moisture in enclosure under constant wall heat flux and constant wall temperature when porous particles are small and Darcy number is lower, the effect of conductivity ratio, heating conditions and other parameters on the heat transfer rate of enclosure when particles are larger and Darcy number are higher.

并分别对多孔颗粒较小时的低Da数封闭腔内的非饱和渗流与传热，及颗粒较大的高Da数封闭腔内的非饱和自然对流行为进行了数值模拟，研究了低Da数时湿分与热量在恒热流与恒壁温条件下的非稳态传递特性，高Da数时封闭腔的传热与流动特性、达西效应以及导热比、加热条件等对空腔传热系数的影响。

Among all of the cooling technologies, the impingement cooling is the most potential one to enhance local heat transfer coefficient. The impingement of the jet forms high speed airflows on the cooled surface. These airflows can be used to improve local heat-transfer conditions significantly especially in the area with very high heat flux and temperature.

在所有提高传热的技术中，冲击冷却对于提高当地的传热系数具有最大的潜力，其冲击所形成的高速气流，极大的改善了当地的换热状况，特别适用于局部高温的地区。

Then the dynamic mathematical model for the whole unit of air source heat pump is founded with the parts of compressor model, airside heat exchanger model under frosting, heat exchanger model of water side and electronic expansion valve.

将压缩机模型、空气侧换热器结霜模型与水侧换热器模型、电子膨胀阀模型有机地结合在一起，构成了整个空气源热泵冷热水机组的动态模型。

On the ground of the theories of heat transference and heat stress,residual heat stress equations were decuced according to the plasma cladded coating.And specific calculations were done with physical property factors.

在热传导及热应力的理论基础上，针对等离子熔覆的实际情况进行了残余热应力计算公式的理论推导，并代入实际物性参数进行了具体算例的计算工作。

This type of heat transfer is commonly used in oil refinery processes to met the high temperature requirements of most processes, plus the necessary high heat transfer rate and heat flux control, and for ease of decoking.

这种类型的热量转化普遍应用于石油炼制过程，其目的是满足大部分炼油过程对高温的需要，以担高热转化速度，实现热流量控制，并使除焦工作与更为容易。

This paper adopts Goldak heat source model in which the distribution of heat on surface satisfied Gauss function and the inner heat distributes in double ellipsoids function.

因此焊接温度场的准确计算是焊接冶金分析，残余应力与变形计算以及焊接质量控制的前提。

Before conducting the study, students believed that Heat could not influence gas and liquid volume.Matter didn't have thermal expansion. Metal ring's diameter will shrink after heating. The melting quantity of salt is much quicker and faster than sugar in the same temperature or water. Only metals can conduct heat, but not wood, glass, plastics. The quantity of heat is by steam way disappearing.

一、学童对「物质与热」的迷思概念有：(1)「热对气体、液体体积不会有影响」的概念，(2)听过热胀冷缩的语词，但是对原因不明了，(3)金属双圆环加热后，内环孔的口径会变小，(4)同温度且等量水，盐的溶解量比糖多、也比糖快；(5)木材、塑胶、玻璃不会传热，金属才会传热；(6)以为热量是以水蒸气方式散失，(7)冷气机应安装在高处，冷房效果较佳；(8)误认为金属是良好的保温材质。

Surplus heat reclamation system of water system of gas engine driven heat pump has been designed, and security and explosion proof measure of gas engine driven heat pump's plant room has also been discussed.

对国内尚未应用的水—水燃气机热泵进行了水系统余热回收设计，论证燃气机热泵在实际工程应用中的安全与防爆问题以利于该节能新设备的推广应用。

Patented products - water, air-cooled heat recovery units, water-source heat pump units, air-cooled screw cold water unit, the constant temperature and humidity units, the modular clean air conditioning units, cooling towers, air-conditioned box, fan - Tube, shell and tube heat exchangers, and so on more than 10 specifications of the series of hundreds of civilian central air-conditioning products.

拥有专利产品——水冷、风冷式热回收机组，水源热泵机组、风冷螺杆式冷水机组、恒温恒湿机组、组合式净化空调机组、冷却塔、空调箱、风机盘管、壳管式热交换器等十多个系列上百种规格的民用中央空调产品。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐