Water purification systems may follow the initial pretreatment steps in various sequences depending on the characteristics of the water and the design of the system.
水纯化系统可能跟随在初始的预处理步骤后面，根据水规格参数的不同有多种顺序和系统设计。
Biological pretreatment technology is an economic and efficient method to remove ammonia - nitrogen in micro - polluted raw water.
生物预处理是去除微污染源水中氨氮的一种经济有效的方法。
Some physical process of boiler water pretreatment have been summed up.
着重就锅炉用水预处理的物理方法进行了综述。
Progress on water analytical techniques since 1992 is reviewed in this paper. The sample pretreatment methods and water analytical methods are included. 97 references are presented.
综述了1992年以来水分析技术的进展，内容包括样品预处理技术和测试方法，引用国内文献97篇。
The water quality following each pretreatment and purification step should also be monitored.
应监测每一步预处理和纯化后的水质。
With a pilot scale test, the pretreatment of polluted reservoir water by biological contact oxidation process with three-dimensional web-like media was carried out.
进行了立体网状填料生物接触氧化法预处理受污染水库水的中试试验，并分析了该填料在生物接触氧化法中的特点。
The microbiological safety of filtered water can be improved by discharging initial filtered water and recovering backwash water after coagulation and sedimentation pretreatment.
排放初滤水，对反冲洗水进行混凝沉淀预处理后再回收，能提高滤后水的微生物学安全性。
Using Pearl River source water as raw water, the contaminant removal effect of carbon and sand filter after the biological aerated filter(BAF)pretreatment process was investigated.
以珠江广州段源水为处理对象，考察了曝气生物滤池（BAF）预处理工艺后炭砂滤池的除污效果。
The result showed that biological pretreatment, biological activated carbon and conventional technology(coagulation, sedimentation and sand-filtration) could remove greatly MAP, TP and SRP in water.
结果表明，生物预处理、生物活性炭及常规的混凝沉淀砂滤工艺均使水中的MAP、TP及SRP大大降低；
The research method of water injection matching technology is to determinate injection water source, pretreatment technology and matching measures of fine filtering etc.
注入水配伍工艺的研究方法是确定注入水源、确定预处理工艺、确定地层受到伤害后的处理、确定三防、精细过滤等配套措施。
Both bio contact oxidation tank and ceramic bio filter are always adopted for bio pretreatment of micro polluted raw water.
生物接触氧化池和生物陶粒滤池是对微污染原水进行预处理时两种常用的生物反应器。
A new water pretreatment building was set up at the bank of the Nile due to bad water.
由于尼罗河水质较差，吉利联合循环电站在河边新建一座预处理水厂。
UV_photocatalytic oxidation is a novel pretreatment technique for environmental water analysis, but this technique has been seldom used in domestic environmental monitoring field.
紫外光催化氧化是近年来环境水质分析中采用的一种样品预处理新技术，目前在国内环境监测领域还应用得不多。
The article introduced the experiment of the settling mode for suspended solids in cyanide waste water and its application to pretreatment of cyanide waste water in ammonia plant.
介绍了煤造气含氰污水中悬浮物沉降试验，确定了悬浮物沉降模式，并将其应用于合成氨厂含氰污水预处理装置。
Subcritical water extraction was used to extract pesticide residues, and compared with other pretreatment methods.
将亚临界水萃取技术应用于农药残留的提取，并与其它几种预处理技术进行了比较。
The test introduced in this article USES ultrasonic technology for the pretreatment of apocynum. The test results are compared with the degumming effect of water pretreatment and acid pretreatment.
本实验采用超声波技术对罗布麻进行预处理，并与预水处理和预酸处理的脱胶效果进行了比较。
So the biodegradability of the raw water should be examined at the planning stage of a raw water biological pretreatment engineering.
在规划生物预处理工程以前，应先检测原水的可生物降解性。
Technological optimized the operation way of the reverse osmosis supply water pretreatment equipment and the operation parameters of pressure, temperature etc.
将反渗透给水预处理设备运行方式，以及反渗透给水压力、给水温度等运行参数进行了技术优化。
Reverse osmosis desalting system includes two parts: raw water pretreatment and membrane system.
前言：反渗透预除盐系统一般包括原水预处理与膜系统两部分。
Basis of selecting straight spraying cleaning and reflux water compensation structure as coating-pretreatment equipment is introduced.
介绍了涂装前处理设备选择“直喷清洗、回流补水”结构的依据。
Based on the water quality and requirement, the pretreatment process and operation parameter are designed, and the change rules of fouling-resistant reverse osmosis membranes is identified.
针对回用污水的水质和处理要求，设计预处理工艺和运行参数，并对抗污染反渗透膜组件性能的变化规律进行研究。
The influence extent and reason of suspended solid (SS) on polluted raw water bio pretreatment operation were studied in this article.
探讨了悬浮物对源水生物预处理装置运行的影响程度和影响机理 。
Therefore, the method can substitute the traditional water sample pretreatment method in order to simplify the operation premised on satisfying the determination accuracy.
此方法能够替代传统的水样预处理方法，在满足试验精度的前提下达到简化操作的目的。
An engineering example of using batch processing for the pretreatment of metal water based waste cutting fluid is introduced.
介绍了采用批处理工艺对金属水基切削废液进行预处理的工程实例。
The proposed method is applied to the simultaneous determination of cyanuric acid and melamine in milk power and swimming pool water without special sample pretreatment.
方法不经特殊的样品前处理即可用于奶粉和游泳池水等样品中三聚氰酸和三聚氰胺的同时分析。
In the paper, applications of cyclodextrins in pretreatment and washing, dyeing, printing, finishing and waste water treatment were reported.
文章介绍了环糊精在前处理及水洗、染色、印花、整理以及印染废水处理中的应用情况。
For the water flooding development of water sensitive reservoir, pretreatment must be carried out to prevent the clay swelling.
对于水敏油藏注水开发，必须进行防膨预处理。
The pretreatment plays an important part in water ultrafiltration.
预处理工艺在膜处理技术中起着重要的作用。
The plant consists of a raw water pretreatment group, a double stages reverse osmosis, a storage tank and a distribution loop.
该装置由原水预处理组、双级反渗透装置、一个储槽和一个配水回路构成。
Generally, we use the pretreatment and biochemistry technic and so on to process the organic phosphorus pesticide waste water so that we can realize qualified waste water discharge.
有机磷农药废水一般均采用预处理、生化等工艺相结合的处理方法，以使处理后的废水能够达标排放。
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