recirculating air filter是什么意思

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From renew,recycle and reuse to regeneration of landscape;

更新、再循环、再利用到景观的重生

This paper studied the characteristic of used electromechanic product,based the domestic and oversea actuality of used electromechanic products resource recovery,analyzed the main approaches and traits for reuse,remanufacturing,recycle in resource recovery for used electromechanic products.

通过研究废旧机电产品的特征,结合国内外废旧机电产品资源化现状,分析了废旧机电产品资源化的再利用、再制造、再循环三种主要途径及其特点。

Influences of recycle and second grade water spraying on semi dry flue gas desulfurization efficiency have been experimentally investigated.

研究了脱硫灰渣再循环以及分级喷水对新型半干法烟气脱硫系统的特性的影响。

To prove the feasibility of not using bosster fan, test has been carried out to see whither open or close of the bypass damper, as well as switching on or off the recirculating pump affect the boiler operation.

为论证无增压风机的可行性 ,进行了旁路挡板开关及再循环泵切换对锅炉运行影响的试验。

Ginical Observation of the Recirculation Rate in Stenotic Fistula with Normal Blood Flow;

血流量正常的狭窄内瘘再循环率的临床观察

Study and APPlication for Recirculation Evaporative Cooling Technology;

再循环蒸发冷却技术的研究与应用

Control mechanism of exhaust gas recirculation(EGR) systemand trouble cases;

汽车废气再循环(EGR)系统的控制原理与故障实例

Comparison of 2 methods for determining vascular access recirculation rate in hemodialysis patients;

维持性血透患者血管通路两种再循环率测定方法的比较

The relationship between sustainable development and green design,and the relationship between green design and material recycling are discussed at the same time.

介绍了绿色设计的概念,论述了可持续发展与绿色设计的关系、绿色设计与材料再循环的关系。

Based on the bi-phase and high reaction rate properties of benzene alkylation with 1-dodecene catalyzed by [BMIM][AlCl 4] ionic liquid, a continuous mixing-reacting-separating-recycling experimental setup was developed.

针对酸性氯铝酸盐室温离子液体 [BMIM][AlCl4]催化苯与 1 十二烯烷基化合成十二烷基苯 (LAB)反应体系双液相、反应速率高和催化剂对湿气敏感的特点 ,建立了一套既可间歇操作也可连续操作的强制混合 反应 分离 再循环实验装置 。

These principles are selecting suitable structure and form, reducing the unnecessary material of package, avoiding discarding package optionally, indicating the ingredients of materials and marks for recycling, taking into the reusing and recycling account when they are discarded.

本文论述了绿色包装方面的国际法规及设计原则,这些原则包括选择合理的包装结构设计和形式,减少不必要的包装材料,避免包装物的随意丢弃,标识出材料的种类及回收标志,考虑材料的重新利用和再循环利用。

The article introduces the function of recirculating tube.

介绍再循环管的作用,针对某一电站锅炉,对锅炉再循环管口的缺陷问题进行了说明,分析了造成再循环管口缺陷的原因及处理方法,并提出了防止出现这种缺陷的措施。

The intention of this article assist domestic designers to know the foreign technical trend and the experience which MBEL gained in the boiler start- up system with recirculation pump.

以山西王曲电厂2x600MW新建工程为例,较详细地介绍了三井巴布科克在超临界锅炉启动系统(带再循环泵)的一些设计特点,旨在使国内电力行业进一步地了解国外在锅炉启动系统方面的技术流派及其取得的经验,为今后超临界技术的全面国产化提供一些借鉴。

The control principle of recirculating valve for feedwater has been presented, and faults occurred in operation, such as severe vibration, comingoff of valve stem and core, wornout of sealing ring, leakagein of the valve etc.

介绍汽动给水泵再循环阀的控制原理及其在运行中出现的剧烈振动、阀杆及阀芯脱落、密封环磨损、阀门内漏等故障 ,并进行了分析 ,提出加强再循环阀的维护和提高其检修工艺质量及保持其工作在最佳工况的解决方