查询词典 demand

Employment of contract workers in the motor industry alone fell 12.5 per cent during the period as demand slowed and the liquidity crisis shortcircuited demand in the global economy.

在此期间，仅汽车制造业合同工的就业人数就下降了12.5%，原因是需求放缓，及流动性危机导致全球经济中的需求突然消失。

If the air demand from smog concentration index is higher than that of the CO concentration index,then the application of electrostatic dedusting unit may reduce the air demand inside tunnel,so to improve economy of operation.

如果是烟雾浓度指标的需风量大于CO指标需风量，则静电除尘装置的使用可以降低隧道内的需风量，从而提高了运行的经济性。

The most common of these measures are biochemical oxygen demand and chemical oxygen demand.

并且氧气被用作有机物的分解同且用作实物。

Biochemical Oxygen Demand is an important control index in wastewater effluent ,but it takes longer time(5 days)for its determination,while the time for measuring the Chemical Oxygen Demand is shorter(10 hours).

生化耗氧量是废水排放的重要控制指标，但它的测定需要时间较长，而化学耗氧量的测定时间较短，这两者是否存在稳定的关系？

Generally aerobic and anaerobic wastewater treatment plants require substantial areas of land for the effective treatment of liquid waste streams to achieve very low levels of Biochemical Oxygen Demand and Chemical Oxygen Demand reduction.

通常，好氧和厌氧的废水处理设备需要大量土地以进行有效的废液处理，把生化需氧量和化学需氧量减少到非常低的程度。

Biochemical oxygen demand over five days - BOD5: The standard biochemical oxygen demand test whereby a sample of the liquid is incubated at 20 degrees C for five days.

五天生化需氧量(简写为BOD5)：标准的生化需氧量试验。其方法是把一份溶液的样品在摄氏20度下培养五天。

The results showed that the IVCW effectively removed total suspended solids(85%),chemical oxygen demand(50%),five-day biochemical oxygen demand(44%),total ammonia(53%),nitrite(83%) and nitrate(54%) from the aquaculture wastewater at a hydraulic loading rate of 420mm/d.

结果表明，在420 mm/d的水力负荷下，湿地可有效地去除循环水中的总悬浮物(去除率85%)、CODCr(去除率50%)、BOD5(去除率44%)、总氨氮(去除率53%)、亚硝酸盐(去除率83%)和硝酸盐(去除率54%)，能够满足养殖用水的要求，整个试验期间系统实现了零污水排放。

The results showed that the IVCW effectively removed total suspended solids (85%), chemical oxygen demand (50%), 5-day biochemical oxygen demand (44%), total ammonia (53%), nitrite (83%) and nitrate (54%) from the aquaculture wastewater at a hydraulic loading rate of 420mm/d.

结果表明，在420mm/d的水力负荷下，湿地可有效地去除循环水中的总悬浮物(去除率85%)、CODCr(去除率50%)、BOD5(去除率44%)、总氨氮(去除率53%)、亚硝酸盐(去除率83%)和硝酸盐(去除率54%)，能够满足养殖用水的要求，整个试验期间系统实现了零污水排放。

With development of computer technology and demand of reality, 3D reconstruction of scenes have become a hot topic.

计算机技术的发展和现实的需求，使得场景的三维重建问题成为一个研究热点。

He points out that while there is great demand for engineers and managers with several years' experience, new grads are a dime a dozen.

他指出，虽然是有伟大的工程师和管理人员需求与几年的经验，新毕业生是太普遍了。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。