pair n. (pl. pair(s)) 1.一对,一双,一套,(眼镜等的)一副;(剪子等的)一把,(裤子等的)一条。 2. 一对男女,未婚夫妇;(动物的)偶。 3.系在一起的两匹马。 4.【机械工程】对偶,副。 5.(成对物的)另一方。 6.(议会)约好互相弃权的对立两派的两个议员;(比赛等中的)两人合伙关系。 7.(纸牌等)同点子的一对。 8.〔英方〕(楼梯等的)一段。 a pair of shoes 一双鞋。 two pair(s) of trousers 两条裤子。 the happy pair 新郎新娘。 They are a pretty pair. 他们真是好一对。 a carriage and pair 双马马车。 the pair to this sock 这双袜子的另一只。 a pigeon pair 一男一女的双胞胎;(只有)一个儿子和一个女儿。 in a pair =in pairs 成双,成对。 pair of colours 【英军】国旗和团旗。 pair of pipes 〔美国〕(唱歌或说话的)声音。 pair of stairs [steps] 梯子,楼梯 (I live up two pair of stairs front. 我住在三楼前室)。 pair royal 【牌戏】三张同样的牌;三颗同点的骰子。 (quite) another [a different] pair of shoes [boots] (完全是)另外一个问题。 take [show] a clean pairof heels 一溜烟逃走;逃之夭夭。 vi. 1.成对,配合;交配;〔俚语〕成夫妇 (with)。 2.(议会)相约弃权。 vt. 1.使成对。 2.使成配偶;使交配。 pair off 1. 使分成[摆成]一对一对。 2. 两个成一组,成对而去。 pair off with 〔口语〕和…结婚。
working adj. 1.工作的,从事劳动的。 2.操作的,作业的。 3.工人的。 4.(用于)实际工作的,任事的;使用(中)的,运转(中)的;经营的,营业的,流动的。 5.完成的,(可)实行的;有效的。 working hours 工作时间。 working expenses 经营费用。 working cost 生产费。 n. 1.作用;劳动;工作;作业;操作;加工;维护;运转,驾驶;(数学的)运算,计算。 2.〔常 pl.〕(矿山、采石场等的)作业现场;发酵作用。 cool working 冷却。 old workings 【矿物】废井。
Development of ammonia - salts adsorption working pairs in chemical heat pump 化学热泵中氨盐吸附工质对的研究进展
Performance study on auto - cascade absorption refrigeration cycle using r32 r134a dmf as working pairs 作为工质的自行复叠吸收制冷循环性能分析
The experimental results can be employed as a reference for the further research of the same sorts of absorption refrigeration units using tfe - nmp as the working pair 所得的实验结果能够为以tfe / nmp为工质对的同类吸收式制冷机组的进一步研究提供参考。
1 . the progress of researches on adsorption refrigeration is presented . especially the studies on working pairs , cycles and the design of adsorbent beds 从常用的吸附工质对的性能、吸附制冷系统的循环方式和吸附床的结构等方面总结了吸附制冷技术的研究进展。
The working pairs and cycles suitable for diesel exhaust heat recovery are chosen . the empirical adsorption rate of cacia ? ha pair is modified through experimental investigation for non - equilibrium adsorption condition . 2 确定了适合内燃机余热回收的吸附工质对和循环方式,在非平衡吸附的条件下,采用实验测试手段,修正了氯化钙一氨工质对的经验型吸附速度方程。
A detailed investigation on the condensation heat transfer of the condenser of the novel absorption refrigeration unit , which is provided by japanese sanyo group is carried out in this thesis . mechanism of the condensation heat transfer is highlighted when tfe - nmp is used as the working pair in the condenser 本文的研究对象是日本三洋电机株式会社提供的新型吸收式制冷实验机中的冷凝器,研究重点是冷凝器在使用新型工质对tfe - nmp时的凝结换热情况。
The dissertation shows how a series of well - performing composite adsorbents that prepared by author suitable for the features of adsorption refrigeration are gained by using water and ethanol as cryogen ( adsorbate ) , which cause no harm to body and environment . the performance of the working pairs of water or ethanol with the composite adsorbents in the refrigeration through adsorption and desiccant cooling are thoroughly examined by experiments . the dissertation also examines , through energy analysis , the refrigeration efficiency and utilization ratio of the adsorption refrigeration , and analyzes the economic potential of the adsorption air - conditioning 以对人体无伤害、对环境无污染的水和乙醇作为吸附制冷工质,研制出适合于吸附制冷特点的性能优良的一系列复合吸附剂;对水或乙醇与自制复合吸附剂组成的制冷工质对的吸附式制冷和吸附除湿制冷的性能进行了深入的实验研究;用有效能分析方法讨论了吸附制冷循环的制冷效率和能量的利用率;对吸附式空调的经济性进行了分析。
Therefore , m4 - 0132 - water and m1 - 0001 - ethanol are good adsorption working pairs in the process of adsorption refrigeration driven by solar energy and low - grade thermal energy . ( 2 ) apply the related mechanism analysis method used in catalyst to the mechanism research in composite adsorbents . a new way of research is put up here , in which the pyridine is used as probe compound , and 对本文研究的制冷工质对的制冷工况分析结果表明:自制复合吸附剂m4一01犯一水和ml一0001一乙醇适用于空调等大循环量的制冷系统, ml一9906一乙醇和mz一0003一乙醇可用于制冰和冷冻等需要低温的制冷场所。
Considering the weakness of the solar - power adsorbers in refrigeration / air conditioning , such as the effects of heat collecting in desorption period and heat loss in adsorption period , here , a new adsorber is proposed ? ? evacuated tube which is cooled by water . simulation calculations and experiments have been performed . with a view to the intermittent characteristics of solar - powered adsorption , a continuous cycle operation for the adsorption refrigeration cooling system with active carbon fibre ( acf ) - methanol adsorption refrigeration working pair is carried out 本文针对目前太阳能固体吸附式制冷系统中吸附集热床在解吸阶段集热效率不高和在吸附阶段散热效果不理想的状况,以及针对太阳能固体吸附制冷系统循环的间歇性,本文提出了一种新型吸附集热器:真空集热管?水冷型吸附集热器,以活性炭纤维?甲醇为工质对实现连续制冷循环方式,并对其进行了相关的性能实验和数值模拟计算。
On the basis of research achievements of theory and experiments about solar solid adsorption refrigeration in recent years , some key techniques of solar solid adsorption refrigeration , which refer as construction design , performance of system , running condition , choice of working pairs , are described in this paper with detailed 摘要基于近年来对太阳能固体吸附式制冷循环理论和实验方面所取得的研究成果,对太阳能吸附式制冷装置的结构设计、性能特性、运行工况、工质对选择等关键技术作了较深入细致的分析研究。