原水

And then, the second-order reaction rate constant was K =0.025 L/. The removal of ethanethiol in raw water by potassium permanganate under coagulation condition was poorer than in pure water condition, So predicted concentration of potassium permanganate was lower than real concentration.

高锰酸钾在原水混凝条件下对乙硫醇的去除效果劣于纯水条件下的去除效果，在水中其它有机物与高锰酸钾反应条件下高锰酸钾浓度变化的拟合结果与实际情况存在偏差，是产生差异的主要原因。

The samples'concentration level is ng/L, meanwhile, which doesn't go beyond the national standard "Environmental quantity standards for surface water-GB 3838—2002"and "Drinking water quality criteria standard GB5746-85". The study shows that the water purification palnts in The Three Gorges Reservoir Area especially those raw water from Yangtze River and Jialingjia River is safe enough for drinking and its level is low. After having tested and analyzed the raw water samples of 6 water purification plants in Three Gorges Reservoir Area, I have found several variety of PAHs and PAEs. Of which, naphthalene, fluoranthene and DEHP are priority pollutants firstly listed by SEPA..

按照《地面水环境质量标准GB 3838—2002》和《生活饮用水水质标准GB5746-85》对有机氯农药的规定，上述6 个水厂均未超标，表明三峡库区城市给水厂特别是以长江、嘉陵江为水源的水厂，其有机氯农药污染较轻，饮用水水质安全。6 个给水厂的原水均检出含有多种PAHs 和PAEs，其中包括有我国国家环境保护总局首批公布的水中优先检测污染物萘、荧蒽、DEHP。

This paper do research on the effect of pH value,concentration of wastewater and retention time on the removal rate of dyeing by iron-carbon microelectrolysis method(including static experiment and dynamic experiment).

采用铁炭微电解法，以自配的染料废水和实际染料废水为研究对象，通过静态和动态实验分别研究了pH、原水质量浓度、停留时间等因素对废水色度、COD去除效果的影响。

Gas chromatograph/mass spectrometer system was used to analyze polycyclic aromatic hydrocarbon (PAHs, including naphthalin, anthracene and fluoranthene) and phthalic acid ester [PAEs, including dimethyl phthalate, diethyl phthalate, diisobutyl phthalate and di(2-ethylhexyl) phthalate] concentration in water samples taken from every treatment units of a large-scale waterworks in a western city whose water source is the upstream of Yangtze river.

以多环芳烃(包括萘、蒽、荧蒽三种物质)和邻苯二甲酸酯包括邻苯二甲酸二甲酯(DMP、邻苯二甲酸二乙酯、邻苯二甲酸二异丁酯、邻苯二甲酸二(2-乙基己基)酯4种物质作为研究对象，采用GC-MS方法测定了以长江为原水的某大型城市给水厂各工艺段水样中的上述物质。

Under the condition of different influent pH value and temperature, DO and ORP went up quickly by a big margin as the organic substance reached to nondegradation degree. This change characteristics of DO and ORP could indicate indirectly the degree of organic substance degradation.

原水在不同pH值与温度条件下，当有机物达到难降解程度时，DO和ORP均会迅速大幅度升高，DO和ORP的这一变化特点可以间接指示有机物降解的程度。

Among the economic crops, pachyrhizus leaf had the most remarkable treating effect, the COD treating capacity per day per unit area was 4.01g, that is, a 50% treating rate; the BOD treating capacity was 1.15 g, that is, a 35% treating rate; the TP treating capacity was 0.23 g, that is, a 16% treating rate; the TN treating capacity was 1.87 g, that is, a 74% treating rate; however, the treating effect decreased as the total amount of pollution entering this system increased by raising the water volume, which was mainly owing to the relatively short hydraulic retention time.

由水质试验结果显示，本系统所选用的作物处理生活污水成效极佳，优於一般湿地选用的植物，以及河滩地原生草种型态，其中以地瓜叶的处理成效最为显著，每日单位面积COD去除速率为4.01 g 、处理效率达50﹪；BOD去除速率为1.15 g 、处理效率达35﹪；TP去除速率为0.23 g 、处理效率达16﹪；TN去除速率为1.87 g 、处理效率74﹪，而以加大水量的方式，增加进入本系统之污染总量，其处理成效减低，主要原因受到水力停留时间较短影响，未来可以增加处理面积、水力停留时间加长、提高原水浓度为后续之研究方向，以达到增加本系统处理成效之目的。

The results showed that conventional phosphonate mineral scale inhibitors do not inhibit silica formation and deposition.

高硅含量的原水在运行过程中常常形成硅垢沉积于设备表面，导致设备传热效率降低及系统管路堵塞[3]。

This process put the anaerobic tank and secondary settlings and the recirculation of nitrified wastewater and the recirculation of sludge and Orbal oxidation ditch inyto together at the basement of Orbal oxidation ditch and the secondary settlings which the inlet and outlet were both circumjacent. This process had many advantages such as the small taking-up area and lower investment and consuming of energy and strong adaptability to raw influent.

介绍了一种新型一体化Orbal氧化沟，该池以Orbal氧化沟和周进周出辐流二沉池为基础，将厌氧池、二沉池、硝化液回流、污泥回流系统与Orbal氧化沟组合为一体，具有占地面积小、投资省、能耗低、原水适应能力强、运行管理更方便的突出优点。

A special statistic characteristic of water after deluges is turbidity. Usually the turbidity will lower to 100NTU below after one or two days, but it will take around forty days to lower to 10NTU below.

研究结果显示，由於季节变化的不确定性，净水场原水水质会出现不同变化的特性，尤其暴雨造成骤增的浊度，虽在1-2日后，浊度降至一般处理范围（100NTU以下），但需再约40-50日，浊度才会降低至经济处理范围（10NTU以下）。

It is proved by practice that using ion exchange method to produce desalted water is feasible in technique to the raw water with its electricity less than 1080μs/cm.

实践证明，对于电导率不大于10 80 μs/cm的原水，采用离子交换法制取除盐水在技术上是可行

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。