查询词典 polluted water

With the development of the industry, the limited water resources are being polluted and causing the serious problems.

工业的发展使得地球上有限的水资源受到的污染日益严重。

Two thirds of the water is polluted.

三分之二的水被污染了。

However, upstream industrial and economic activity reduced the flow and polluted the water.

然而，上游的工业和经济活动的减少，流动和污染的水。

Based on the adaptation experiment, Hydrilla verticillata Royle and Ceratophyllum demersum L.were chosen to study the purifying effect on polluted Qinhuai River water at the late development stage of submerged macrophytes.

本试验在适应性培养的基础上筛选出黑藻和金鱼藻两种沉水植物，以秦淮河河水为处理对象，进行沉水植物生长晚期净化污染河水的静态试验研究。

Wanfenghu reservoir has been polluted seriously, and waters are in a severe eutrophication condition. Whether physico-chemical indexes or biological indexes appraisal, it proved that the water quality of Wanfenghu is between IV-V. Wanfenghu contains high TN and TP which are 5 to 6 times of the national standard content, and the quantities construction of phytoplankton communities is deeply disequilibrium, the Cyanophyta and Charophyta occupying overwhelming

万峰湖水库已经受到了严重污染，水体处于严重富营养化状态，其水体中的溶解氧的三季变化范围在2.92-5.3mg·L之间、化学耗氧量三季平均值为34.77 mg·L~(-1)、总氮三季平均值为2.5 mg·L~(-1)、总磷的三季平均值为0.35 mg·L~(-1)、叶绿素a含量的三季平均值为23.64 mg·m~(-3)，以上各指标表明万峰湖水库水体处于Ⅳ-Ⅴ类水质；无论从浮游植物的群落数量上还是浮游植物种类组成上看，蓝藻和绿藻都占绝对优势，而其它各种藻类极少，是典型的蓝-绿藻型水

There was no significant difference on the density and biomass of phytoplankton between spring and summer.1.1.3 The dominant species of phytoplankton was as the following:Gomphonema sp.,Synedra sp.,Navicula sp.,Nitzsschia closterium,Cymbella sp.,Closterium sp..1.1.4 Comprehensive index demonstrated that the water quality was polluted slightly in Maqu section.1.1.5 A negative correlation was present between the density and biomass for phytoplankton and altitude in spring and summer.

1.1.4综合几种指数的综合评价，该流域水质呈轻度污染。1.1.5春夏两季，浮游植物密度、生物量均与海拔呈负相关性，即随着海拔的上升，浮游植物密度、生物量呈下降趋势。1.2浮游动物群落结构1.2.1浮游动物共2门18种。

Thus, it is helpful to understand mutual reactions among pollutants in heavy metal polluted soil and eutrophic water, to clarify their biological and environmental effect through studying phototactic behavior of Daphnia influenced by nitrogen, phosphate and heavy metals.

因此，戮们筛选培育的隆线搔纯生物株是一种非常理想的生物监测器，优于国外培育使用的大型搔，可以根据隆线搔的趋光行为的变化来监测样品中的有害物质。②在水搔趋光指数测定过程中，测定装置的工作条件和参数显著影响结果。

In our studies,sludges composting was used as object, fluoranthene was on behalf of PAHs,and methods included dynamic sampling,room analysis,sludges' composting,leaching of soil column,and room culture were employed. The main contents include:the concentration and the distribution of PAHs in municipal sludges in Jiangsu Province,effects of composting on the concentration of PAHs in municipal sludges,the physicochemical properties of water dissolved organic matters in sludges before and after composting,effects of sludges composting and DOM on the desorption-leaching and eco-toxicity of FLT in polluted soil,and primary investigation of mechanism on same phenomena.

本论文以污泥堆肥为原料，以荧蒽(fluoranthene，FLT)为PAH的代表，采用动态取样、室内分析、污泥堆肥、土柱淋滤和室内培养等方法，系统研究了江苏城市污泥中PAHs的含量以及分布模式；堆肥对污泥中PAHs含量的影响；污泥堆肥前后水溶性有机物的理化性质特征变化；污泥堆肥对污染土壤中FLT解吸-淋滤、以及生态毒性的影响，并对有关现象进行了机理探讨。

Follow the develop of economy ,it is facing a lisk which water would be polluted by the people living the headwaters of reservoirs .

但是现在一方面库区人民依然贫困，一方面在政府帮助下发展网箱养鱼等会污染水体的绿活动。

In our work, Activated Carbon and Bentonite are selected as adsorbents in this process to degrade nitrophenol wastewater and slightly-polluted potable water. This paper investigates operation parameters; reaction mechanism; carbon modification and reaction kinetic model.

本文分别采用活性炭和膨润土作为吸附剂，以硝基酚污染物和低浓度微污染源水为处理对象，对该体系的工艺参数、反应机理、吸附剂改性、有机污染物降解途径以及反应动力学模型等方面进行了系统的研究。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。