水循环

The experimental results show that,the contract columniation is 1 333.2 mg/L in CODcr concentration,and fragmentation and compaction columniations are 582.4 mg/L and 2 112.4 mg/L respectively,under the condition of landfill and leachate recirculation in equivalent volume after 60 day's recirculation.

实验结果显示：在填埋垃圾量和渗滤液循环量相同的条件下，经过60 d的厌氧渗滤液循环，对比垃圾柱的出水CODcr浓度为1333.2 mg/L，而破碎垃圾柱和压实垃圾柱出水的CODcr浓度分别为582.4 mg/L和2112.4 mg/L。

The experimental results show that, the contract columniation is 1333.2 mg/L in COD concentration, and fragmentation and compaction columniations are 582.4 mg/L and 2112.4 mg/L respectively, under the condition of landfill and leachate recirculation in equivalent volume after 60 day's recirculation.

实验结果显示：在填理垃圾量和渗滤液循环量相同的条件下，经过60d的厌氧渗滤液循环，对比垃圾柱的出水COD浓度为1333.2mg/L，而破碎垃圾柱和压实垃圾柱出水的COD浓度分别为582.4mg/L和2112.4mg/L。

On the energy system, researches are mainly focused on the technology to use coke oven gas replaces steam: processing to use heating technology of diathermic oil replaces direct steam to ammonia stripping; technology to use direct fired absorption refrigerator replaces steam absorption refrigerator. technology on water-source heating pump of industrial circulation water; processing of circulation water with surface evaporating air cooler.

能源系统重点研究了焦炉煤气代替蒸汽的技术：导热油加热技术替代直接蒸汽蒸氨的工艺；直燃吸收式制冷机取代蒸汽吸收式制冷机；工业循环水水源热泵技术；循环水冷却采用表面蒸发空冷器。

In the social cycle of water, urban water supply and drainage are indiscerptible entia in the branch of social water cycle.

在水的社会循环中，城市供水与排水是水的社会子循环不可分割的统一体。

All water of the hydrosphere participates in the hydrologic cycle, a complex circulation of water between the ocean, atmosphere, and land.

水圈内所有水都参与水的循环，即海洋、大气层和陆地之间的综合循环。

The author analyzes the central air conditioning cooling and frozen water, the reasons of incrustation shaping and their harm, introduces the aim and methods of treatment in this article.

对中央空调冷却、冷冻水，水垢产生的原因及危害进行了分析并介绍了循环水质处理的目的及循环水水垢处理方法

According to the operating characteristics of condenser and theory of water pump, one circulating pump was operated to instead of two circulating pumps which should be used in winter by original design. It is creative to find optimum working point by adjusting outer values of condenser in winter.

根据凝汽器的工作特点及水泵的工作原理，在冬季采用单台循环水泵运行代替原设计双台循环水泵运行，并且通过调整凝汽器海水侧出口门的开度来找出单台循环水泵在冬季运行的最佳工作点，同时对循环水优化的安全性进行了详细的分析与阐述。

Krebs cycle (citric acid cycle; TCA cycle; tricarboxylic acid cycle) A complex cycle of reactions in which pyruvate, produced by glycolysis, is oxidized to carbon dioxide and water, with the production of large amounts of energy.

卡尔文循环（柠檬酸循环， TCL 循环，三羧酸循环）：糖酵解过程中产生的丙酮酸，被氧化为二氧化碳和水并产生大量能量的复杂反应过程。

Based on achievements in technique innovation of nuclear power fuel cycle engineering of pressurized water reactor since the late 1970 s,the progress is sumed up and classified as three trains of innovation thoughts:oncethrough cycle reprocessing fuel cycle and reprocessing-partitioning-transmutation cycle.

基于近30年来压水堆核电燃料循环工程技术创新取得的成果，将其发展进程归纳成三种有代表性的创新思路：一次通过的开式循环、后处理燃料循环和后处理-分离-嬗变闭路循环。

In addition, you can use a number of combined cycle, such as mercury - a class 2 water steam cycle, steam - gas-fired combined cycle and so on to get closer to Carnot cycle in order to achieve higher thermal efficiency.

此外，还可以采用一些联合循环，如汞—水之类的两汽循环、蒸汽—燃气联合循环等来接近卡诺循环以达到更高的热效率。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。