return refrigerant velocity是什么意思

网络释义

用法例句

Design on the refrigeration reforming of circulating cooling water system in an alcohol plant;

酒精厂循环冷却水降温系统的制冷改造设计

Ejector refrigeration system for air conditioning without pumps;

一种空调用新型无泵喷射制冷系统

Design of the cooling system for the concrete production at EL360m of the Longtan project;

龙滩工程360m高程混凝土生产系统制冷设计

Energy seleting and application in cooling system of cigarette making factory;

卷烟厂制冷系统能源选择及应用

Recent development in solar-powered adsorption cooling technology;

太阳能驱动的吸附式制冷研究进展

Students Practical Skills in Teaching the Course of Refrigerator Building and Refrigerating Technology;

《冷库建造与制冷技术》课程教学中加强实践技能培养的探索

Linear Oscillatory Actuator and its Applications in Piston Refrigerating Compressor;

直线振荡电动机及其在活塞式制冷压缩机上的应用

Application of the energy of reservoir temperature difference to refrigerating and air conditioning;

水库温差能在制冷空调中的利用研究

Performance of heat pipe for waste heat lithium-bromide refrigerator driven by exhaust gas of diesel engine;

柴油机废烟气驱动的热管废热溴化锂制冷机运行特性

When refrigerators and heat pumps run along Carnot cycle, their energy efficiency is highest.

对利用适宜的循环工质实现蒸气压缩式制冷热泵近卡诺循环进行了分析,包括基本思路、可行性分析、典型工质及其特性,并在相同设备条件和工作温度下,对近卡诺循环制冷热泵和普通循环制冷热泵(R22为工质)的效率进行了计算比较,最后对进一步需做的工作进行了探讨。

Capillary driven vapor ejector refrigerator is a new refrigeration system, which is a no pump system and can use solar energy and other low-grade heat sources.

毛细驱动蒸汽喷射式制冷系统,是一种无泵的可利用低位热源的新型制冷系统。

The technique of control cooling is emphasized clear in principle and practice here.

概括了渗碳钢齿轮锻件等温正火处理的网带式生产线设计时主要设计参数,强调了等温正火的控制冷却技术,给出了所研制的设备的主体结构和功能的技术说明。

In order to reduce production cost, the best production process using niobium microalloy instead of vanadium to produce Q345B plates of different thickness is discussed through analyzing the reason of forming Widmannstaetten structure and the influences of slab thickness, the reduction in pass, low temperature rolling and control cooling etc on the grain size and the properties.

为降低生产成本,通过分析钢板形成魏氏组织的原因以及中间坯厚度、道次变形量、低温轧制和控制冷却等对钢板组织晶粒度和性能的影响,探讨了采用铌微合金化代替钒生产不同厚度Q345B钢板的最佳生产工艺。

The control cooling experiment of given-water quantity is carried out on reinforced bars Φ25 during producing.

在现场对Φ２５螺纹钢进行定水量控制冷却试验，并沿轧件全长测试了终轧温度，自回火温度和机械性能，分析了测试结果，找出了它们之间的相互关系。

For improving efficiency and minimizing operational expense,mathematic model for propylene refrigeration system is developed to simulate and evaluate the performance of refrigeration cycle,the outlet temperature of propylene compressor is optimized,which supplies one direction for technical reform .

对丙烯制冷系统进行了数学建模,选取相应设备参数计算了该制冷循环的热力参数,分析评价了制冷系统的运行特性;通过理论比较得到了更为经济的丙烯制冷压缩机出口温度,对于丙烯装置的技术改造具有一定的参考意义。