在对试验水样进行水质化学分析后,采用稳定指数法,对水样的腐蚀与结垢趋势进行了判断。
After chemical analysis of the experiment water, the tendency to corrosion and scaling was analyzed by a stable indicator.
介绍了一种基于紫外全波段扫描的水质化学需氧量(COD)测量技术以及运用该技术设计开发的在线COD测量仪器。
A method based on all band ultraviolet scanning for measuring water chemical oxygen demand (COD) was introduced, and the method was applied to develop an on-line COD measuring instrument.
浮标所携带的传感器组可以测量35种以上的参数,从风力到水的化学成分(对于预测和报告天气非常重要)、海洋状况和水质。
The buoys carry sensor arrays that measure over 35 different parameters, from wind to water chemistry, that are vital for reporting and predicting weather, sea conditions, and water quality.
这项研究表示,自来水公司会按要求每年向客户提供年度水质报告,包括部分照片,但他们没有提供关于法律限定之外化学物质的任何信息。
The annual water quality reports that utilities are required to send customers provide a partial picture, the study says, as they contain no information on unregulated chemicals.
研究表明,水质43.7%的化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water) 67% of phosphorus and 57% of nitrogen discharges.
研究表明,水质43.7%的国家化学需氧量(测量水质有机化合物的主要指标)、67%的含磷量和57%含氮量应归咎于农业。
According to the study, agriculture is responsible for 43.7% of the nation's chemical oxygen demand (the main measure of organic compounds in water), 67% of phosphorus and 57% of nitrogen discharges.
我想我们平常使用的化学用品比如洗洁精一定是导致水质污染的主要原因之一。
I think we usually use chemicals such as detergent, must be one of the main cause of water pollution.
文中指出纺织品上有害物质的来源包括大气、水质、药剂的使用、土壤的污染和纺织品生产加工过程中的化学处理等。
This paper presents that the sources of poisonous substance on textiles include atmosphere, water quality, the applied chemicals, the polluted soil, chemical processing and so on.
再生水是指城市或生活污水经化学处理后达到一定水质标准并可重复使用的非饮用水资源。
Renewable water is sewage that the city or after chemical treatment to certain water quality standards and the repeated use of non-potable water resources.
对油田采出污水进行处理以达到注入水水质标准,通常采用物理处理技术和化学处理技术。
To treat the produced water from oilfields to meet the injection water quality standard, the physical technology and the chemical technology are often applied.
本文介绍了灌溉水质参数的计算公式和最主要的化学评价方法。
The paper introduced the calculating formula of the water quality parameter for irrigation and main methods of the chemical evaluation.
化学需氧量是水质监测的一个重要参数。
Chemical oxygen demand is one of the important parameter in water monitoring.
除少数河口区外,胶州湾绝大多数海域的石油烃、化学耗氧量和金属铬含量均满足渔业水质要求。
The contents of petroleum hydrocarbons, chemical oxygen demand and chrome all meet the fishery water quality standard for major water areas in this Bay except a few estuary areas.
结果表明,灌溉水质对草坪土壤的化学性质有很大影响。
The results indicate that irrigation water quality has great effect on the chemical properties of lawn soil.
本文对柴达木盆地主要河流的水化学特征进行了分析、研究,对水质状况进行了评价。
This paper is to characterize the water chemistry of the Qaidam Basin ′s main rivers and to give out an assessment of the water quality of the region.
采用聚类分析研究了南屯煤矿矿井水的水化学特征,并进行了水质评价。
Water chemical characteristics of mine water in Nantun Coal Field were studied using cluster analysis, and also the quality was evaluated.
化学需氧量(简称COD)是水质污染程度的代表性指标。
Chemical Oxygen Demand (COD) is the representative index of sewage water.
根据验证结果,每天有监测水的电导率,每月有监测水质(化学和微生物指标)。
Daily monitoring of water conductivity and monthly monitoring of water quality (chemical and microbiological) is in-place, based on validation results.
通过对女山湖水体化学成份的分析,确定其水化学类型及基本特征,并对水质进行综合评价。
Through the analysis of hydrochemical composition of natural water in Nushan Lake, the type and fundamental characteristics of hydrochemistry can be determined.
其后包括模仿或复制湿地系统的生物、化学和物理过程,并将它们专门运用到水质处理方法上。
This will involve mimicking or replicating the biological, chemical, and physical processes found in wetland systems and using them specifically for water quality treatment.
工业循环冷却水的结垢问题一直受到人们的关注,目前多采用化学方法对水质进行处理,但会造成一定程度的二次污染。
The fouling of cooling water has been a major concern in industry. Most of the cooling water which has not been treated by chemical technique will cause pollution to some extent.
化学需氧量是评价水体有机污染程度的综合指标,也是水质监测的一个重要参数。
Chemical oxygen demand is an integrative index for evaluating the degrees of organic pollution in water, and is also one of the important parameters in water monitoring.
土地利用类型和土地利用强度的差异也能从三个研究区水质主要化学指标的不同得到体现。
The change in the parameters or indicators of karst groundwater quality also reflects the modification of land use types and intensity in the three study regions.
水质。通过化学药品和污水对活性污泥中微生物硝酸化抑制作用的鉴定方法。
Water quality; method for assessing the inhibition of nitrification of activated sludge micro-organisms by chemicals and waste waters.
本课题首先分析了自然水水质及所含杂质对化学水处理的影响,然后进行了电厂化学水处理工艺分析。
First, the project analyses the quality of natural water and the influence of impurity on chemical water treatment, and then chooses the chemical water treatment technics of power plant.
采用化学清洗板式热交换器时,要根据实际请况和水质的不同所结垢的垢质进行分析化验分别配制药剂清洗。
Using chemical cleaning, according to the different actual conditions and water quality, please scale scale by qualitative analysis assay preparation medicament cleaning, respectively.
采用水质分析法对水化学类型进行判别,从而找到了水源,确保了安全生。
This paper presents water content analyse to help find water source and insure safety.
港口化学品污水由于含有一些难于处理的有机污染物质,而且水质和水量又具有多变性和随机性,处理难度较大。
The harbor chemical wastewater is very difficult to treat because it contains organic pollutants, and the quality and quantity of the wastewater can vary from time to time.
论述了水质改变对北京燕山石油化工有限公司化学水处理装置除盐系统的影响。
The effect of water quality changes on the desalting system of chemical water treatment at Beijing Yanshan Petrochemical Co.
论述了水质改变对北京燕山石油化工有限公司化学水处理装置除盐系统的影响。
The effect of water quality changes on the desalting system of chemical water treatment at Beijing Yanshan Petrochemical Co.
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