二级水

污水处理厂二级水处理中陶瓷膜的精密过滤特性

Fine filtration characteristics of ceramic membrane in treatment of secondary water from sewage plant

陶瓷膜盲端-错流深度过滤污水厂二级水的比较

Comparative study on advanced treatment of secondary water by the dead-end-cross flow filtration with ceramic membrane

污染并不严重，大部分比较好、能达到地面水二级水标准；

The pollution is not serious .

用三级水和二级水浇灌作物，对作物品质无显著影响，污水浇灌时作物中蛋白质、糖类含量略有升高；

In comparison , irrigation with sewage led to a little increase of proteins and sugar in crops .

结果饮水监测合格率干预点比对照点有明显提高，对照点洪涝灾害初期和灾害后期饮用水卫生合格率（二级水）分别为10.1%和31.9%；

Results The qualified rate of drinking water ( grade 2 ) in prevention group was higher than that of control group . They always connected water with their attitude .

2001年至2003年水质比较稳定，合格率以二级水为标准达到44.60%，以三级水为标准达到61.88%；

The water quality was relatively stable from 2001 to 2003.Qualified rate of water at grade two accounted for 44.60 % and that of water at grade three was 61.88 % .

水质合格率以二级水为标准达到43.52%，以三级水为标准达到59.26%。

But microbe exceeded the standard of the country . Qualified rate of water met II standard accounted for 43.52 % and that of the water met III standard was 59.26 % .

生活饮用水水质合格率：二级水为40.96%，三级水为58.03%。

Qualified rates of drinking water were 40.96 % in grade 2 and 58.03 % in grade 3.Conclusions The qualified rate of drinking water was lower and water contamination was serious in rural area .

长期再生水灌溉的调查表明，自来水灌溉、二级水和一般三级水灌溉对草坪土壤的细菌总数、放线菌总数和真菌总数都没有显著影响。

Investigation of long-termed common tertiary water and secondary effluent irrigation showed that , comparing with tap water irrigation , there were no significant changes in soil bacteria biomass , actinomycete biomass and eumycete biomass .

合格率以二级水为标准达到12.50%，以三级水为标准达到26.52%，但感官指标和理化指标均在93%以上，丰水期水质比较稳定，枯水期水质变化较大。

26.52 % meeted the standard for third drinking water . But sense index and physical and chemical index exceeded 93 % . Quality of drinking water was stable during rainy season , quality of drinking water changed larger during dry season .

根据无氨水的特殊性，提出2种无氨水的替代方法：①实验室级超纯化水机二级水（电导率<1μS/cm）；②新制一次蒸馏水（电导率≤7μS/cm）。

Two kinds of ways of substituting non-ammonia water are presented according to peculiarity of non-ammonia water , one of which is super purification water ( conductivity is no more than 1 us / cm ), the other is one-off distilled water .

对煮茧机外真空渗透桶容积及上、下盖进行了合理设计，用二级水环真空泵串联大气喷射泵作该机真空泵，并分析了设计原理。

Rational design is made for the volume capacity , upper and bottom covers of vacuum permeating bucket outside the cocoon cooking machine , with a secondary water circulation vacuum pump connecting the atmospheric jet pump as the vaccum pump for the machine .

评价了臭氧生物活性炭（O3-BAC）联用技术深度处理经过混凝沉淀和砂滤处理的城市污水二级处理水过程中内分泌干扰物有机锡和壬基酚的去除效果。

The removal performance of organotins and NP ( nonylphenol ) from the secondary effluent of municipal wastewater by O3-BAC was investigated following successive coagulation-sedimentation-sand-filtration treatment .

二级净化水加氯灭菌技术研究

Technological Research About Disinfecting with Bleaching Powder of Second-Class Purification Water

石化二级处理水的回用研究

Researches on the reuse of secondary water in Petrochemical Company

结合国内外的利用情况及研究成果，证明二级处理水完全可以用于农业灌溉。

By adopting technologies and research achievements both at home and abroad , the secondary treated wastewater can be used for agricultural irrigation .

详细介绍了二级处理水和三级处理水灌溉草坪绿地的研究现状、热点和发展方向。

The status quo , hotspot and development trend of research on the application of secondary treated wastewater and tertiary treated wastewater for turf-grass irrigation were introduced in detail in this paper .

水资源缺乏成为经济和社会发展的制约因素，使用二级处理水灌溉景观绿地已是大势所趋。

Water resources shortage has become the major constraints of economic and social development in northern China . Secondary treated wastewater used in the irrigation on landscape will be more and more popular .

对比自来水灌溉，二级处理再生水灌溉没有显著提高土壤中Cd、Pb、Cr等重金属的含量，对植物生长尚未产生不良影响；

Comparing with Tap Water irrigation , plant leaf Cd , Pb 、 Cr content are apparently higher after 1 secondary effluent irrigation , but there is no bad effect on plant growth .

针对日本国鬼怒河流域小流量河流，通过对河床上附着生物膜的组成、底栖生物、细菌活性分析和AGP试验，研究了污水厂二级处理排放水对小流量河流生态的影响。

In this paper , the authors studied the ecologic situation of a small flow water system which was influenced by the discharge of two-stage treated wastewater by analyzing components of biofilm , benthos , activity of bacteria on the stream bed and AGP testing .

本研究选择二级处理再生水和超深度处理再生水进行试验，探讨再生水灌溉对城市绿地的影响。

The research on reclaimed water irrigation of urban greenland in Tianjin includes a series of studies .

简要介绍了长江流域水资源二级分区、水资源量等情况。

The two-grade district division of water resources and the water resource volume in the Yangtze river basin are briefly presented .

影响处理效果的因素主次顺序为：水力停留时间第一级好氧气水比第二级好氧气水比。

The influence processing effect factor primary and secondary order is : Water power resident time - level good oxygen hydraulic modulus - second level of good oxygen hydraulic modulus .

结果红河灯盏花GAP基地大气环境达到大气环境质量（GB3095-1996）二级标准，灌溉水质量达到农田灌溉水质量标准（GB5084-1992），土壤环境达到土壤质量（GB15618-1995）二级标准；

Results Atmosphere environment quality reached to the second grad of the Ambient Air Quality Standard ( GB3095-1996 ), irrigating water accorded with State Quality Standards ( GB5084-1992 ), and soil environment quality accorded with the second grad of Environmental Quality Standard of soils ( GB15618-1995 ) .

基于二级自适应滤波的水下目标动态谱线增强算法研究

Algorithm for two cascades adaptive filtering based underwater target dynamic line enhancer

二级钠离子软化水站设计总结

Design Summarization of Second-level Sodium Ion Softening Water Works

用微型计算机和可编程序控制器组成二级控制系统在水处理工程中的应用

Application of Two-Level Control System Constituted by Microcomputer and Programmable Controller in Water Process Engineering

凝胶层析在发酵液中分离提纯透明质酸中的应用二级反渗透纯净水与蒸馏水在白酒理化检验中的运用分析

Application Analysis of Purified Water Prepared With Secondary Reverse Osmosis and Distilled Water in Physical and Chemical Test of Liquor

雅砻江锦屏二级水电站减水河段生态环境需水研究

Study on Eco-Environmental Water Demand about the Segment of Water Reduced for the Jinping Second Class Hydropower Station of Yalong River

该解决方案把热水从发电厂抽上来，通过地下管道至热交换器，热交换器在二级分配网络上将水加热，然后将它流入用户的散热器系统。

The solution pumps hot water from a power plant through underground pipes to heat exchangers which heat up water in the secondary distribution network and feed it into consumer radiator systems .