the main cooling and heating mode nowadays is electricity.

scheme comparison of cooling and heating sources in a building

北京某中心空调冷热源方案比较

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scheme optimization of air-conditioning cooling and heating source based on ideal point method

基于理想点法的空调冷热源方案优选

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experimental investigations on the optimum air layer spacing of flat-plate solar collector and the thermal performances of different kinds of honeycomb two different kinds of thermodynamic cycles which can provide both cooling and heating are introduced.

关于平板集热器的最佳间距和蜂窝结构热性能的实验研究文章分析比较了目前国内外现有的两种太阳能制冷与供热的联合循环方式。

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a novel system of cooling and heating using solid adsorption

新颖的固体吸附式制冷与供热系统

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cooling rate below the critical cooling rate in center position, formation of a small amount of lath bainite, segmentation of the prior austenite grain.

钢板中心冷却速度低于临界冷却速度，先析出的少量板条贝氏体组织，分割细化了原始奥氏体晶粒。

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effects of single or combined usage of horse-serum and different corticosteroids on the development of femoral head necrosis in rabbits

马血清及不同结构皮质类固醇激素单独或联合应用对兔股骨头坏死产生的影响

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study on the isolation, purification and the properties of cholinesterase from horse serum

马血清中胆碱酯酶的分离纯化及其性质研究

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experimental study on animal model with chemic necrosis of femoral head induced by horse serum plus hormone

马血清加激素诱导股骨头缺血性坏死动物模型的实验研究

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the utility model relates to a quenching cooling system used for quenching medium aq251, which comprises a quenching groove and a cooling chamber which are connected by pipe lines.

本实用新型的用于AQ251淬火介质的淬火冷却系统，包括通过管路连接的淬火槽和冷却室；

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study on the distributions of spray flow velocity and its cooling velocity for the primary cooling chamber

一冷室喷流速度分布及喷流冷却速度的研究

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the experimental investigation of impinging cooling in the combustion chamber

燃烧室壁冲击冷却换热的实验研究

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numerical analysis of the wall temperature with film cooling in the combustion chamber

带气膜冷却的火焰筒壁温的数值分析

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on wall cooling of combustion chamber with "mat" type of wall

燃烧室席壁冷却的性能预测与实验研究

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numerical study of liquid film cooling in combustion chamber of liquid rocket engine

液体火箭发动机燃烧室液膜冷却数值研究

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it has been made clear that the cause of cracking occurred in the upper part of the walls of the cooling water chamber on the cylinder head is due to mechanical loads, especially the loads caused by the screws on the cylinder head.

指出气缸盖冷却水腔上部壁处产生裂纹的原因是机械载荷，其中特别是气缸盖螺钉引起的载荷尤为重要。

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the investigation is done to the measuring method of the persian blinds airflow direction and speed at the inlet of cooling wind chamber of high speed power car.

对高速列车动力车冷却风室进风口处百叶窗空气流向、流速实车测量方法进行了研究。

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thermal analysis of piston indicates that: ( 1) the top temperature, 420 ℃, appears at the combustion chamber throat. temperature of local part of outer cooling chamber is exorbitant, and it can reach 343 ℃.

活塞热分析结果表明：（1）活塞燃烧室喉口处温度值最高，达到420℃。外冷却腔局部温度过高，高温处达到343℃。

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the simulation results give some relationship curves of the heat and mass transfer inside the cooling chamber, and the author posts the effect factors on flow and heat transfer in the cooling chamber.

模拟结果揭示激冷室内部的热、质传递的一些规律，提出了影响下降管内壁水膜覆盖的因素，影响下降管内部的换热因素以及灰渣的在激冷室内的流动特性。

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combined with practical engineering, the several key problems concerning the vapour exhausting system for ccms secondary cooling chamber were discussed and analyzed in this paper.

本文结合工程设计实践，对连铸机二冷室排蒸汽系统中的几个关键问题进行了分析。

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using combined barrel ensure the suitable processing technology and high work efficiency, meanwhile, slurry is cooled by water in cooling chamber and cooling tube.

采用组合式机筒，在保证加工工艺和提高工作效率的同时，在机筒中设计冷却室和冷却管来实现对浆料的冷却。

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