冷却的

The thermal stability of binary current leads was discussed briefly by means of Minimum Quench Energy.Lastly experiment research was reported on cryocooler cooled magnet made up of Bi-2223/Ag tapes. The descension curve and steady temperature distribution of magnet were achieved.

最后以Bi-2223磁体为样品，建立超导磁体直接冷却实验装置，得到超导磁体冷却过程的降温特性以及稳态温度分布，并对不同的冷却方案及结果进行分析比较，为实际设计超导磁储能低温系统提供了参考依据。

The homogeneous calibrator and ideal material calibrator are considered respectively. From the optimal results" analysis and comparison, we can see that the ideal material calibrator improves greatly the cooling uniformity of plastic profile by changing the cooling channel"s location, size, number and adjusting calibrators material distribution.

分别考虑均质定型模和理想材料定型模，从优化结果分析、比较可以看出，理想材料定型模通过改变冷却水道的位置、尺寸和数量以及调整其材料分布规律，极大地改善了塑料型材的冷却均匀性和冷却效率。

The ammonia was evaporated under decreasing pressure, and the precipitate was filtered off and the liquid was poured into hot saturated picric acid solution to get picrate with a yield of 85.0%. The optimum process starting from imidazole-4,5-dicarboxylic acid was: imidazole-4,5-dicarboxylic acid in acetic anhydride was refluxed to get imidazole-4-carboxylic acid, and the product was esterification in ethanol with a catalyzer of concentrated sulfuric acid to get ethyl imidazole-4-carboxylate, at last the compound above was reduced by LiAlH4 in ether at room temperature to get the target compound, the total yield of this route was 49.6%.

以4，5-二羧酸咪唑为原料的较佳工艺：1 脱羧反应：4，5-二羧酸咪唑40g，醋酐1200ml，回流10h，过滤并将滤液浓缩至干，所得固体加至50%的乙醇溶液回流，过滤并将滤液自然冷却过夜，过滤得固体；2 酯化反应：4(5)-羧酸咪唑50g，乙醇1000ml和浓硫酸60ml，加热回流2h，5%浓度NaOH溶液调节至pH＝8，减压浓缩至干，加入少量水回流，自然冷却过夜并过滤得固体；3 还原反应：LiAlH410g，乙醚300ml和4(5)-羧酸咪唑乙酯28g，常温反应1.5h，小心滴加25ml水后过滤，滤渣溶于300ml甲醇中并过滤，收集所得乙醚和甲醇滤液浓缩至干，将所得固体溶于300ml乙醇中加热回流，后将溶液浓缩至约30ml，冷却并过滤得固体，该路线总收率为49.6%。

In this paper, the conjugative heat transfer in a regenerative cooling structure is investigated numerically by using the FEM and CFD software.

以主动冷却发动机壁板为对象，考虑外部受均匀热流载荷作用下方形管在流体冷却过程中的共轭传热问题，建立了防热涂层、固体管道和冷却液的三维耦合分析模型。

To date, dump cooling has not been used in an actual application, but it might be of value in a convectively cooled space probe engine that operates with a very high wall temperature and uses hydrogen as the propellant and coolant.

迄今为止，转储冷却并没有被用来在一个实际应用，但也可能价值在1 convectively冷却空间探针引擎的运作与一个很高的壁面温度，并使用氢气作为推进剂和冷却剂。

By the method of dilatometric change,combining with microscopic test and hardness measurement,different expanding curves of continuous cooling transformation were measured at different cooling rate,and CCT diagram was obtained by using DIL805A thermal expansion fast phase transition instrument.

利用膨胀法，结合金相法和硬度法，在DIL805A热膨胀快速相变仪上测定了该钢在不同冷速下连续冷却时的热膨胀曲线，获得了该钢的连续冷却转变曲线；研究了该钢连续冷却过程中奥氏体转变过程与组织变化。

Exterior refinements include:+ A larger, polished stainless steel wire mesh front grille that enables the required additional airflow for engine heat dissipation + A new, lower front fascia that incorporates a larger lower grille for increased cooling capability; brake ducts for front caliper and rotor cooling and splitter to counteract lift created by larger grille openings + A new lower rear fascia that facilitates smooth airflow under the vehicle for improved cooling + Lower rockers that visually bridge the lowered front and rear fascias + A specific, fluidly sculpted hood designed to provide space for the engine's supercharger + Ten-spoke, flangeless, painted aluminum alloy wheels that assist in brake cooling + A higher, more rearward-positioned rear spoiler that enables balanced aerodynamic downforce with the front splitter + V-series badging on the vehicle's rear decklid and front doors, and "Supercharged" block lettering on the doors

外观的改进包括：+有较大，抛光不锈钢丝网的前格栅，使发动机所需的额外的散热气流+一个新的，较低的前仪表，它把一个较大的下格栅关于提高冷却能力；刹车管为卡钳和转子冷却和分配器足以抵消格栅的开口更大的提升+创建一个新的较低的后部汽车仪表板，便于在改善冷却车辆气流平稳+下摇滚乐的视觉弥补降低的前后面板+一个具体的，流畅，造型盖设计为发动机的增压器+十空间发言，凸缘，画铝合金轮毂的协助刹车冷却+阿更高，更向后定位的后扰流板，使平衡与前分路空气下压力+ V系列徽章的车的后部行李箱的大门，和&增压&块门上刻字

Four laser beams used for ~ 40 K and ~ 87 Rb cooling and repump lights are obtained by using acoustic optic modulators to offset the frequencies from the three external cavity diode lasers.

三台ECDL通过声光调制器产生四束光，分别作为40K和87Rb原子的冷却光和再抽运光，四束不同频率成分的激光分别注入锁定四台从激光器，然后Rb冷却光、K冷却光和K再抽运光再同时注入半导体激光放大器进行放大。

Carries out the macroscopic and microscopic analysis for corrosion of heat-exchange tubes used for lithium bromide absorption chiller,investigates the corrosion substance by scanning electron microscopic and X-ray energy dispersive spectroscopy,analyzes the chemistry composition of tubes,cooling water and lithium bromine solution.

对某制冷机组吸收器的冷却水管出现不同程度的腐蚀穿孔进行宏观和微观形貌分析，对腐蚀孔附近腐蚀产物进行扫描电镜-能谱分析，并对冷却水管化学成分、冷却水质和溴化锂溶液进行分析。

An improvement on the die casting technology of aluminium hub includes drilling hole at the position of die, where the function of die is not affected, for preventing gas from coming into molten aluminium, mounting safety valve to the exhaust opening of die casting case for keeping proper pressure to save electricity and shorten die casting time, and increasing the water-flowing area of cooling disk or ring for higher cooling effect.

一在不影响模具本身功能部位钻孔增加排气通道，解决了压铸过程中产生的气体进入铝水问题。可使铝轮减少气孔。在压铸机箱体排气口部位，安装安全阀，能使压铸机箱体内保持适当的压力，工作时少进气、少排气，起到节电不堵浇口，缩短压铸时间，提高产量。冷却盘、冷却环改进后，增加了过水面积，提高了冷却效果。

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。