查询词典 heat

In the new process, middlelowtemperature waste heat is used as heat source and LNG cold energy is divided into the lowtemperature latent cold energy and the hightemperature sensible cold heat. Nitrogen Brayton cycle recovers lowtemperature latent LNG cold energy, while the ammoniawater Rankine cycle recovers the hightemperature sensible LNG cold heat, whereby the graded use of energy can be realized. The exergy efficiency of LNG cold energy utilization can be effectively improved.

流程中以中低温余热为热源，并将LNG冷量分为低温级的潜热冷量和高温级的显热冷量两级，氮气Brayton循环回收LNG低温级的潜热冷量，氨水混合物Rankine循环回收LNG高温级的显热冷量，实现了能量的梯级利用，有效提高了LNG冷能利用的火用效率。

A new kind of magnesium alloys has been synthesized by high energy ball-milling of Mg and Fe mixed powders.Due to the high corrosion speed and reacting efficiency,the alloys are generally called super-corroding alloys.A SCA bulk is fabricated through cold-pressing and sintering the mechanically alloyed Mg-Fe powders.The chemical reaction of SCA with seawater rapidly releases heat and hydrogen gas,which may play very important roles in many ocean applications.For example,the reaction heat can be used to keep diver clothes warm;SCA corrosive links with the function of self-destruction can be utilized to control the sinking and floating of sonobuoy, and to salvage the training torpedo or other instruments.In addition,the reaction heat of SCA can be applied to heat food,machinery and ice or snow,which is thus very helpful for mountaineers.

超腐蚀合金采用Mg和Fe混合粉末，经高能球磨机械合金化、冷压、烧结，形成Mg-Fe合金块体，具有很高的海水腐蚀速率和反应效率，该合金化学反应放出的热量和氢气可在海洋工程中发挥重要作用，例如：可为深海作业潜水衣的保暖提供热量；由其制造的腐蚀链通过自毁机制，可用来控制声纳浮标的沉浮时间，打捞和回收水中的贵重仪器、装置以及训练用的靶雷；在偏远地区和寒冷地带，利用该合金的反应放热特性，不仅可加热机械、仪表或食品，而且能为登山运动员提供取暖所需的热量。

The utility model-A Fluid Container for Heating Food Instantly, combines thermit with pop-top, and is suited to make convenient food which has a large market such as heat soup for only once, heat drink, and heat tea. The heat soup may be of Chinese Traditional medicine. Because of the thermit, the patent product can fulfil the requirements for speediness, quiet, safety, no poison and no pollution, wholesome food, environmental protection and rapid tempo of life.

本实用新型将铝热剂与易拉罐等容器设计为一体化的即时热商品食用液体容器，称之为"铝热型即时热"，用于生产一次性热汤、饮、茶等大市场容量方便食品，如配套方便面类食品的热汤、适合热喝的茶饮等食品，甚至是中药汤饮。

Although the TSOT heat exchanger has been successfully applied in the realm of heat-recovery in industrial boilers and furnaces, the mechanisms of TSOT and its effects of some elements on its heat transfer features are unknown. Reports about the TSOT research have seldom seen. So it is not only urgent but also important to do some investigations on TOST to enrich the heat pipe theory and guide engineering design.

由侧端切向开漩流孔的半开式热虹吸管制成的热管换热器已在工业锅炉、窑炉中初步得到成功应用，但对其内部的机理和有关影响因素尚不十分清楚，在国内、国外文献资料中对该种热管的相关研究资料的报道也较少，因此，迫切需要进行相应的研究，以丰富热管理论并指导工程设计。

The heat due to losses of a process can be calculated according to total losses, differential equation of the motor, initial conditions and rotational angle. Since a period has several processes, the total heat due to losses of a period can be get by summing the losses heat of every process and the average losses can be calculated by dividing the total heat of a period with the cycle time.

根据电机运行总损耗和电机运行微分方程，结合初始条件和电机转角，获得了电机运行过程的损耗热，将一个周期内各运行过程的损耗热相加，可以得到一个周期内的总损耗热，从而一个周期内的平均损耗可求，以此为依据，和电机的额定损耗相比较，可以判断该电机在该工作制下的合理性。

The thickness of the ice cover on the wall surface heat transfer is greater than the thickness of it on the air heat transfer form. The thickness of the ice cover on the wall surface heat transfer along the way changes slowly, but it on the air heat transfer along the way changes significantly. Reducing the entrance velocity, lowering the wall surface or air temperature, the formation of the thickness of the ice cover will increase; in the 3D circumstances, The thickness of the ice cover was relatively uniform in the import of the U-turn model, the ice cover was gradual accumulation in the convex bank when the stream traversed the import of the U-turn model, the thickness of the ice cover in the convex bank was significantly bigger than the thickness in the concave bank. The temperature field under the ice cover tends to be complex because of the existence of the secondary flows. The temperature in the convex bank is greater than it in the concave bank. Compared with the data from experiments, the laws in the numerical simulation are similar with them in the experiments

模拟结果显示：二维情况下，运用壁面传热形成的冰盖厚度大于运用空气传热形成的冰盖厚度，壁面传热形成的冰盖厚度沿程变化缓慢，而空气传热形成的冰盖厚度沿程变化明显，减小入口流速，降低壁面或空气温度等，形成冰盖的厚度都会增大；三维情况下，弯道入口处凸、凹岸形成的冰盖厚度基本相同，进入弯道后，凸岸形成的冰盖厚度逐渐增大，而凹岸的冰盖厚度逐渐减小，受横向环流的影响，冰盖下水流的温度场趋向复杂，并且凸岸的温度小于凹岸的温度；与实验室实验所得数据相比较，数值模拟研究得到的规律基本符合实验规律。

By analysing the influencing factors of heat transfer efficiency of thermosyphon heat exchangers and the practical operating data of an experimental heat recovery unit used in a shopping center, and concerning about the influence of unit incline angle on the temperature efficiency of heat exchangers under a wide variable scope of outdoor air temperature, obtains an optimal operating mode of the unit.

在分析热虹吸管换热器换热效果影响因素的基础上，通过分析试验机组在商场空调系统实际应用环境中的运行数据，综合考虑室外新风温度大范围变化、不同倾斜角度对换热器温度效率的影响，得到了实际运行环境下机组的适宜工作模式。

This paper points out main weakness of solar energy water-heater made up of glass vacuum pipe from heat-conduction and structure, introduces the principles and advantages of the efficient heat-conducting element-heat pipe, and makes some designs and researches on the solar energy water-heater made up of heat pipe.

从传热和结构两方面指出了全玻璃真空管太阳能热水器的主要缺点，介绍了高效传热元件——热管的原理及其优越性，并对热管式真空管太阳能热水器进行了设计研究。

According to field testing data analysis, the author find out that buried pipe-in-pipe heat exchanger, which act as a important part of GSHP system, can supply sufficient heat flow and its operation performance is better than that of a wind cooled--heat pump. The author also finds out the self-equilibrium mechanism GSHP system operated with buried pipe-in-pipe heat exchanger, which give experiences for design and operation of a GSHP system.

通过实验测试与分析，证明了地下埋管换热器作为地源热泵系统的重要一环能够为热泵提供良好的热源，使地源热泵的性能参数优于风冷热泵，发现了埋管换热器匹配热泵运行时独特的自平衡规律，为设计和运行地源热泵技术提供了经验。

In addition, the computational evaluations indicate that the heat transfer enhancement of delta winglet for aligned tube bank heat exchanger is more significant than that for staggered tube bank heat exchanger, the heat transfer enhancement of delta winglet with the attack angle of 45° is more obvious than that of 30°; the delta winglet with the attack angle of 45° leads to an increase in pressure drop, while the delta winglet with the attack angle of 30° results in a slight decrease.

另外计算还发现：三角形小翼对顺排换热器的强化换热效果好于对叉排换热器的强化；冲角为45°的三角形小翼强化换热效果好于冲角为30°的三角形小翼；冲角为45°的三角形小翼导致空气压降提高，而冲角为30°的三角形小翼则可使压降有所减小。

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。