目的:测定南澳县水源水中氟化物的背景值及其它相关水质指标。
Objective: To measure the background fluoride and related water quality indices in water source of Nan 'ao County.
提出了提高水源水质指标,保障供水压力,控制供水温度的具体方法。
The methods of raising water quality index, ensuring the water pressure and controlling water temperature are put forward.
合流污水经处理达到工业循环冷却水水质指标后,可用作泵站循环冷却水。
Reaching to quality norm of industrial recycling water after treatment, confluent sewage can be used as pumping station's cooling water.
在常规控制富营养化营养盐、透明度等水质指标基础上,引入了水流形态概念。
On the basis of some adopted water quality indexes such as nutrient salts and transparency etc, the concept of flow pattern is brought forward.
经二级处理后的各项水质指标均达到了GB8978—88规定的一级排放标准。
All water quality indexes of the final effluent can meet the first category integrated wastewater discharge standard (gb8978-88).
此BP神经网络能够有效地应用于水质指标的预测和水质趋势的预警预报系统中。
The BP neural network can be satisfactorily applied to predict water quality index and is suitable for pre-alarm of water quality trend.
也可以将本方法进行扩展,对其它水质指标进行研究,以指导实际的生产运行。
The method can also be expanded to carry out the research of other water quality indicators for guiding the actual production and operation.
经过技术改造,废水处理系统的各项主要水质指标均达到了国家污水综合排放标准。
Through these technical alterations, the main indexes of water quality of the waste water disposal system met the national comprehensive standards on waste water emmision.
提出应从注入水水质指标的经济性出发,针对不同的水质采用不同处理工艺进行改造。
Various water quality should be remade by different treatment technologies adopted from the aspect of the economics of the injected water quality indexes.
详细介绍了该工程的进、出水水质指标、工艺流程、工艺特点,一期工程建成后的运行情况。
The water quality index, technique process and characteristics of the project were introduced in details. And the operation condition of project part I was put forward in this paper.
根据循环软化水水质指标现状,详尽分析了各种腐蚀因素的影响,论述了软化水的腐蚀机理。
The influence of various corrosion elements are analyzed in detail and mechanism of corrosion of softening water is expounded according to the quality index condition of recycling softening water.
沱江干流的几个主要水质指标与10年前相比呈继续恶化的趋势,干流的水污染仍未得到控制。
The main indexes of water quality in most part of the river were worse than those 10 years ago.
试验研究了配水管网中常规水质指标随输水距离延长的变化规律以及与细菌再生长的相互关系。
The relation between the AOC concentration and bacterial regrowth in the drinking water distribution system was investigated in order to obtain the AOC criteria.
河流健康的度量对象包括:堤岸、河床、河水感观、水质指标、水生无脊椎动物指标和鱼类指标等。
Measurement objects of river healthy includes Banks, river bed, sensory consciousness for river water, water quality experimental indexes, aquatic invertebrate index and fishery index.
理论分析和应用实践表明了粗集理论用于地下水水质指标属性约简具有简便、准确和实用性强等特点。
It is shown that the RS theory is simple, precise and practical for the attribute reduction of the groundwater quality index through the theoretical analysis and practical application.
因此,本文研究给水管网中水质的变化,尤其是微生物学水质指标的变化及影响因素具有重要的意义。
The diversification of water quality of the distribution network has been researched by this paper, especially the microbiology parameters and the influencing factors. This is a significant research.
根据海滩水质指标,监测频次和污染公告,报告也为美国200个受欢迎的海滩提供了五星级的评级。
The report also provides a five-star rating guide for 200 popular U. S. beaches, based on indicators of beach water quality, monitoring frequency and public notification of contamination.
本文主要通过给水管道中铁的含量来反映给水管道的腐蚀状况,并从管道腐蚀机理方面分析了各个水质指标对铁稳定性的影响。
This article explains the corrosion status of pipes by the content of irons and analyse each water quality parameters 'influence on the iron stability.
针对水质评价中各评价指标的不确定性,将集对分析理论应用于水质综合评价中。
In view of the uncertainty of evaluation indicators for water quality the theory of set pair analysis is adopted.
研究表明在风应力的作用下,太湖水质同时存在水平和垂向变化,提出了太湖水质监测和评价也要考虑污染指标的垂向变化。
Taihu water quality in horizontal and vertical variety simultaneity is found, vertical variety of contamination index to be considered in the lake fluid matter monitors and evaluation is put forward.
水中的溶解氧可反映水体受污染的程度,是水质监测的一项重要指标。
Dissolved oxygen in water reflects degree of water polluted, it is one of the important indexes in water monitoring.
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.
本论文从有利于水质改善角度出发,建立调度模式评价指标体系。
An appraisal indicator system available for water diversion scheme was established based on the consideration of water quality improvement.
领先的步进式加热方式,保证饮用水质量和高效节能指标。
Leading step by step heating method to ensure the quality of drinking water and energy efficiency indicators.
随着水质监测领域研究的深入,发现水质监测的生物指标与理化指标之间存在着复杂的关系。
Along with going deep into the water environmental quality monitoring field research, we discovered that it had complicated relationship between physical-chemical indexes and biological indexes.
本文应用灰色GM(1,2)建模方法,提出了水质富营养化单项指标的一种新的预测模型。
In this paper, a new predicting model of single eutrophic index of water quality is developed by grey systems GM (1, 2) modelling.
凝结水中氧的质量浓度高低是显示凝结水水质的重要指标,对汽轮机的热力循环影响很大。
The mass concentration of oxygen in condensate is an important indicator to show the condensate quality, and it has great influence on thermal circulation of steam turbines.
选用综合污染等标指数、超标倍数和超标率等指标对水质污染状况进行评价。
Synthesis pollution equal criterion index, exceed multiple and exceed ratio were chosen as the index of synthesis assessments to the water quality effect.
选用综合污染等标指数、超标倍数和超标率等指标对水质污染状况进行评价。
Synthesis pollution equal criterion index, exceed multiple and exceed ratio were chosen as the index of synthesis assessments to the water quality effect.
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