冷却的

Introduces the significance of application of all-air air conditioning system and analyzes the two problems about energy- saving and purifying of using all outdoor-air in all-air air conditioning system .

介绍了应用全空气空调系统的意义，分析了全空气空调系统中全新风运行方式所带来的节能与净化的两大问题；认为全空气空调系统是较好的空调系统，将蒸发冷却技术、热回收技术、变风量控制技术相结合的蒸发冷却新风空调集成系统具有广阔的应用前景。

In accordance with the problems such as lower cooling effect and corrosion of the water treatment of the cooling water system of ammonia condenser ,the water treatment program of the water quality was optimized,and the water treatment effect before and after the program were summarized.

针对氨冷凝器冷却水系统水处理存在的冷却效果差和腐蚀问题，提出水质处理的优化方案，总结了优化前后的水处理效果，结果表明：使用新方案后，氨冷凝器的冷却效果得到明显的改善，冷凝排气压力降低，氨排压4机运行时为1。

The benchmark problem for GT MHR plutonium burner accidents is a part of the IAEA Coordinated Research Program on "heat transport and afterheat removal for GCR under accident conditions" The reactor performance and RCCS capability during normal operation and two loss of forced convection accidents are analyzed using THERMIX code Results shows that the core fuel temperature and the vessel temperature below the safety limits,and the RCCS can remove the residual heat from the core after the accid...

气体透平氦气模块堆标准题是国际原子能机构关于&高温气冷堆在事故工况下的热传输和余热载出&问题的合作研究计划的一部分。本文用THERMIX程序计算了稳态和两类丧失强迫冷却事故瞬态的反应堆温度分布以及空腔冷却系统的载热能力。计算结果表明，稳态及事故中燃料和压力容器的最高温度不超过安全限值，RCCS能够有效带出堆芯余热，保证反应堆安全

The kernel of the idea is that CPMJI that involves two-phase heat convection, jet impinging and full vaporization is used to enhance the heat transfer potential of cooling medium and obtain the best cooling effect.

该方法的核心是利用低温喷雾射流冲击的低温气液两相射流冲击和充分汽化的强化换热优势，充分发挥冷却介质的换热潜力以获得绿色高效的冷却效果。

Thermal conductivity A of mass and single pellet is successively measured by an efficient and steady heating system, of which the heat source is infrared ray. The milli-volt instrument and thermocouple is a way to measure temperature and its of higher precision and has fewer errors. Thermal diffusivity a is researched based on the study of C and. In this thesis, the volume convective heat-transfer coefficient, is measured on the thin-bed drying plat in terms of the principle of cooling machine and the Boyce drying theory, focusing on the air velocity v or mass flux G affecting on h.

导热系数λ的测定采用红外线纵向热流法，热源稳定、效率高；温度采用毫伏表加热偶温度传感器测量，精度高，误差小，并对成堆物料和单个颗粒均作了研究；基于C和λ的测量结果，导温系数α采用公式法计算而得；对流换热系数h_y为体积对流换热系数，其测定是模拟颗粒饲料的冷却干燥过程，依照冷却器的工作原理，构建颗粒薄层干燥试验台，并在Boyce干燥理论的指导下，重点测试了冷却风速对对流换热系数的影响。

As accumulation of negative integral elements is restricted when the proportional integral control unit performs integration, the fan revolution speed is enabled to rise immediately when an actual temperature of the cooling target fluid, such as hydraulic oil or coolant, exceeds the corresponding target temperature.

作为积累的负面有机的组成部分，是受限制时，比例积分控制单元进行整合，风扇转速就可以立即上升时，实际温度的冷却液的目标，如液压油或冷却剂，超过了相应的目标温度。

The dissertation presents somecontents about the vacuum precooling as follows: 1. Studies on the evaporation cooling principles of fruit and vegetable There are different optimal storing conditions for different vegetables and fruits.And the vegetable and fruit precooled by vacuum must be fit with the storingcondition. A low temperature will result in the frozen scald, and a high temperaturewill not meet the precooling objective.

本文开展了以下几个主要方面内容的研究：1、果蔬蒸发冷却规律的研究不同果蔬都有各自不同的最佳储藏条件，因此，真空冷却后的果蔬必须满足储藏要求，温度过低易引起果蔬冻伤，过高则达不到预冷的目的；湿度过低易引起干耗，减轻重量；过高则易引起腐烂变质。

The contrast hot test of the copper cooling stave with different cooling channels was done in the hot test whole-scale furnace which is designed by the authors.

在自行设计的1：1热态试验炉上对不同孔型的铜冷却壁进行了热态对比试验，对试验结果作了传热学分析，提出优化铜冷却壁水流通道断面设计的方法，优化后的水流通道可以达到强化传热和减少铜料消耗以及节约冷却水用量的目的。

Every tube on the furnace cover has three water cooled jackets which can make the water in the tube rapidly cooled. The role of muffle tank is to maintain the furnace pressure and and ensure the carburizing to work well, it is made of heat-resistant steel,.Carburizing electric furnace is equipped with cooling barrels.It is used to store the parts after treatment, sand sealed grooved are fixed on the barrel covers .

炉盖上的三个管子都有水冷套，以便进入三个管子中的气体快速冷却，马弗罐的作用是维护炉压，保证渗碳的正常进行，它由耐热钢制成，渗碳电炉配有冷却桶，用来存放处理后的零件，捅盖处设有砂封槽。

Lid on the three setsof water-cooled tubes have to enter the three tubes of gas rapid cooling,the role of muffle tank furnace pressure is to safeguard and ensure the normal carburizing,itmade fromheat-resistant steel,seepage carbon electric furnace equi-pped with cooling barrels were used to store the treated p-arts are also provided,sand covered up the closure groove.

炉盖上的三个管子都有水冷套，以便进入三个管子中的气体快速冷却，马弗罐的作用是维护炉压，保证渗碳的正常进行，它由耐热钢制成，渗碳电炉配有冷却桶，用来存放处理后的零件，捅盖处设有砂封槽。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。