天然工质,Natural refrigerant
1)Natural refrigerant天然工质
1.The synthetic performance of sev eral natural refrigerants (ammonia, carbon dioxide, propane) and several halocar bon compounds refrigerants were discovered by the exergy loss rate equations und er the same heat transfer conditions.结果表明 ,上述几种天然工质 (尤其是氨 )其流动与传热的综合性能优于R2 2 ,R5 0 0和R114等几种常用的卤代烃工
英文短句/例句
1.Study on an Auto-cascade Refrigerating System with Natural Refrigerant Mixtures;天然工质应用于自行复叠制冷系统的研究
2.Academic Analysis and Experimental Study of the Reverse-Brayton Cycle with Binary Natural Refrigerants and Liquid-suction Heat Exchanger;二元天然工质回热式逆向布雷顿循环的理论分析和实验研究
3.Experimental Study on Heat Transfer Characteristics of Thermal Syphon under Different Natural Working Fluid;CPU重力热管使用不同天然工质时的传热特性实验研究
4.DEVELOPMENT OF GEOLOGICAL THEORY AND INDUSTRY FOR NATURAL GASES IN CHINA;我国天然气地质理论与天然气工业的发展
5.Controlling Requirements & Quality Monitoring on Steel Natural Gas Line Construction钢质天然气管道工程施工控制要求和质量监督
6.Raw materials are the natural substances from which industrial products are made.原材料指用以生产工业品的天然物质。
7.Quality Control Links of Natural Gas Construction Projects;天然气工程建设质量控制的几大环节
8.The Controlling Measures for Constructional Quality of Stone Pain外墙天然真石漆的施工质量控制措施
9.A substance, especially petroleum, in its unrefined state.天然物质处于未加工状态的物质，尤指原油
10.Present Situation of Quality of NR Primary Processing Machines and Solutions to Their Problems天然橡胶初加工机械质量现状分析及其对策
11.Analysis on Code for Quality Acceptance of Oil and Gas Construction Engineering and Its Implementation Status对《石油天然气建设工程施工质量验收规范通则》的分析和探讨
12.native asphaltic pyrobitume天然地沥青质焦沥青
13.original gas in place原始天然气地质储量
14.Their by-product after oil refining can be used as the source of natural antioxidants.它们的加工副产物可作为天然抗氧化物质的来源加以开发应用。
15.The Constructing Project Quality Management Research of the Shaanxi Natural Gas Co. Ltd.;陕西省天然气股份有限公司工程项目质量管理研究
16.Application of Quality Reliability Technology in China s Oil and Gas Industry:Effects and Problems;石油天然气行业推广应用质量可靠性工程技术的成效与问题
17.Characteristics of Vegetation under Trees-Layers and Soil Physicochemical Polarization of Different Natural and Planted Pure Forests in Arid Region of Shaanxi-Innermongolia陕蒙旱区人工及天然纯林林下植被特征及土壤理化性质极化
18.Characteristics of Biochemistry Nature and Its Spatial Variation of Soil in Artificial and Natural Pure Forests in Arid Region from Shaanxi to Inner Mongolia陕蒙旱区人工及天然林土壤生物化学性质及其空间变异规律研究
相关短句/例句
natural material天然物质
1.Flocculant preparation based on chitose compounded with 4natural materials and its effectiveness of treatment for monodium glutamate wastewater;壳聚糖与4种天然物质的絮凝复配及其对味精废水的处理效果
3)natural substrates天然基质
4)Natural refrigerant自然工质
1.Worldwide state-of-the-arts and trends of natural refrigerants;国内外自然工质研究现状与发展趋势
2.Design and experiment on freezing case of natural refrigerants for low temperature;自然工质低温冷冻箱的设计与试验
3.For long term consideration, natural refrigerant is the most satisfied substitutes.从长远角度考虑,自然工质替代人工工质已经成为必然。
5)natural working fluid自然工质
1.In this paper,we propose a definition of close-natural working fluid.本文提出近自然工质的定义。
6)nature refrigerant自然工质
1.Several types of refrigerating system usingnature refrigerant has been introduced such as NH3,R290,CO2 single-stage and two-stage compression system,NH3-CO2 and R290-CO2 cascade system.从理论计算出发,对自然工质用于制冷循环系统的几种常见系统进行了模拟;在多种工况下,分别对NH3、R290和CO2的单级压缩式、双级压缩式、NH3-CO2复叠式以及R290-CO2复叠式循环系统进行了计算分析,综合考虑系统COP和压缩机进口比容两方面因素并进行比较,为自然工质用于各种制冷循环系统提供了一个参考。
延伸阅读
天然蛋白质纤维分子式：CAS号：性质：亦称天然蛋白质纤维。由动物的毛发或分泌液形成的纤维。最主要的品种是各种动物毛和蚕丝。主要成分是由一系列氨基酸经肽键结合成链状结构的蛋白质。为优良的纺织原料。纤维柔软富有弹性，保暖性好，吸湿能力强，光泽柔和小可以制织成四季皆宜的中、高档服装，以及装饰用和工业用织物。
