查询词典 filters

This includes backwashing the sand filters once a week, but the volume of water change is 2800 gallons!

这包括每星期反复冲洗过滤器一次，且更换体积上有2800加仑的水。

The principles and hydraulic feature of suspended-moving simultaneous air water backwashing of filters are presented in this paper.

提要 介绍了悬移式气水同时反冲洗方式的冲洗过程及其表现出的水力特征。

The city's reclaimed water treatment plant's filters are periodically cleaned by backwashing.

城市污水处理厂的再生水的过滤器是由定期冲洗干净。

For the same reasons, the backwashing concerns the whole surface of the filter, without dead zones; therefore filtration is always carried out on the full surface of the filters.

基于同样的原因，反冲洗涉及到整个滤池的表面，无死区，因此过滤总是在滤池的整个表面进行。

Based on the study for backwashing technology, the most optimal backwashing strategy was established, on the base of which to compare the effective rule of backwashing on both of BAC filters.

通过研究不同反冲洗方式、冲洗强度对炭池生物量、净水效能等多项指标的影响确定了炭池的最佳反冲洗模式，在此基础上进一步分析比较了反冲洗对两生物活性炭滤池的影响规律。

This paper uses iteratively reweighted least square method to design pulse compression filters,which is applicable to biphase code:polyphase code,LPM and NLFM signals.

本文使用迭代加权最小二乘法设计脉冲压缩滤波器，适用于二相码和多相码，LFM和NLFM等各种信号。

In order to improving system's precision, many techniques such as improving precision of calculagraph ,using various of filters, on-line temperature compensator, echo location criterion are needed and designed.

为了提高系统测量的准确性和精度，采用了提高计时器分辨率、多重滤波、声速校正以及波形分析算法等措施。

Sunlight filters through a maze of giant kelp near Catalina Island in California.

日光过滤器通过一个迷宫巨海带卡塔利娜岛附近岛屿在加利福尼亚州。

ObjectiveTo assess the clinical value of vena caval filters in the prevention of pulmonary embolism in patients with deep-vein thrombosis.

目的 探讨下腔静脉滤器植入在下肢深静脉血栓治疗中预防肺动脉栓塞的应用价值。

ABSTRACT］ObjectiveTo assess the clinical value of vena caval filters in the prevention of pulmonary embolism in patients with deep-vein thrombosis.

摘要］目的探讨下腔静脉滤器植入在下肢深静脉血栓治疗中预防肺动脉栓塞的应用价值。

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％。