查询词典 heat efficiency

Several heat releasing characteristics and fire-retardant improving efficiency of the 5-ply, 9 mm thick plywood, made of red lauan and radiata pine veneers, were evaluated according to ISO 5660 test methods. Cone calorimeter was used to measure the heat release rate of the plywood heated at 50 kW/m^2 for 15 minutes.

本研究之目的旨在以红柳桉及放射松单板为试材，经三种浓度之矽酸钠与四种无机塩类（氧化硼、硫酸锌、氯化镁、氯化锌）饱和溶液之反应剂双重处理后，制造五层9mm厚合板。

The Carnot heat engine is discussed in detail to show how there is an upper limit to the efficiency of heat engines and how the concept of entropy arises from macroscopic considerations.

对这种不可逆转的答案所在的热力学第二定律的解释，在今年及未来的讲座。

The effect of fluid flow nonuniformity on heat exchanger's efficiency is the most important one among them because it can intensify longitudinal wall heat conduction and the maldistribution of interior temperature.

因为物流分配的不均匀会加剧换热器内部温度场分布不均匀和纵向传热，从而加剧了换热器整体效能的下降，所以物流分配不均匀性对换热器效能的影响在三者中是最主要的。

The invention relates to a light pumping system for all-solid laser, particularly a light pumping system for disc type laser, comprising heat sink, laser crystal, optical fiber, plane reflector, a first concave reflector, a second concave reflector, and a third concave reflector, and adopting a structure that the plane reflector is between the optical fiber and the first concave reflector, to make the LD and laser cavity on the same side of the laser crystal, thus reducing the packaged size of the laser; the invention fixes the plane reflector on the heat sink to reduce the inclined incident angle of the pumped light beam, thus the pumped light can be fully absorbed, and the invention solves the problem of pumping efficiency and largely reduces the bulk of the laser, beneficial to the all curing of the product and ensuring the cooling requirement of the laser crystal.

本发明涉及全固体激光器的光泵浦系统，特别是一种盘式激光器的光泵浦系统。包括热沉1、激光晶体2、光纤3、平面反射镜4、第一凹面反射镜5、第二凹面反射镜6、第三凹面反射镜7，本发明采用平面反射镜位于光纤与第一凹面反射镜之间的结构，使LD和激光腔位于本发明激光晶体的同一侧，从而减小了激光器的封装尺寸；本发明将平面反射镜固定在热沉上，使泵浦光束斜入射角减小，泵浦光则能充分吸收，为此，本发明解决背景技术采用第一凹面反射镜使泵浦光束斜入射角过大引起的像散，泵浦光斑变形引起泵浦效率降低问题，使得本发明可选用大面积半导体制冷器，避免使用水冷，则激光器的体积大大减少，有利于产品的全固化，保证了激光晶体的散热要求。

Take the opportunity of this project, theoretical and experimental researches on the high-efficiency evaporator used in a large quick-freeze equipment have been done. The main work of experimental research is as follows:(1) Compare and analyze the influences of structural parameters on the heat transfer coefficient of an evaporator. The calculation results show that, under non-freezing conditions, the structure possessing the highest heat transfer coefficient is the one with circular fins, equilateral-triangle arranged small tubes and varying fin-spacing.

主要做了以下几方面的试验研究工作：(1)对不同翅片形状、管径大小、翅片管排列方式，以及是否带波纹等结构参数对蒸发器传热系数的影响进行了比较分析，得出在不结霜工况下，具有最高传热系数的蒸发器结构是圆翅片小管径正三角形排列等节距结构的结论。

The energy balance equations and exergy balance equations of heat exchanger and power equipment in the combined power cycle were established.Taking condensation temperature of Rankine cycle, inlet and outlet pressure of turbine of Rankine cycle, inlet and outlet pressures of turbine of LNG cycle as key parameters, the influences of these parameters on the thermal efficiency and exergy efficiency of the combined power cycle were analyzed.

建立了混合动力循环中换热和动力设备的能量平衡方程和可用能平衡方程，并以朗肯循环冷凝温度、朗肯循环透平进出口压力、液化天然气循环透平进出口压力为关键参数，分析了上述关键参数对混合动力循环热效率和可用能效率的影响。

Then the effects of the different heat resources and relevant parameters on the efficiency were evaluated and the efficiency difference between the present system and the simple cycle was compared.

在此基础上分析了不同热源和相关参数对理论效率的影响，并与简单吸收循环进行了对比分析。

In experiments, performances of the chamber density, the cooling speed of cold trap, and the efficiency of heat exchanger are all better than the contrast machine, so do the results of drying volume of the experimental machine, water capture of cold trap, drying efficiency, and electricity consumption in drying experiments of water.

在实验中发现腔体的气密度、蒸发吸附盘管降温速率及热交换器的效率皆比市面上对照机台佳，且在水的乾燥实验中，实验机台的抽水量、蒸发吸附盘管捕水量、抽水效率及耗电量皆优於对照机台。

Tuopu love the professional production and sales Yong-chang brand vacuum fan and curtain, hot summer, because of plant personnel-intensive mechanical heat generated by sun heat, leading to the indoor temperature is much higher than the outdoor temperature and feel unwell state of dizziness further affect the work efficiency.

爱拓普专业生产销售永昶品牌负压风机和水帘，炎热夏天由于厂房内人员密集机械热源太阳照射所产生的热量，从而导致室内温度远高于室外温度，使人感到头晕身体不适状况，进一步影响工作效率。

In this paper a two-dimension square model of convection heat transfer is adopted and Field Coordination Equation is verified by comparing the heat transfer efficiency of optimal velocity filed and other flow fields.

过增元11，2指出速度矢量与热流之间的夹角是影响对流换热整体性能的一个重要因素，并阐述了对流换热场协同的基本概念：对流换热强化要求速度场和温度场之间相互协同，即彼此存在着最为合理的空间分布。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。