chemical water pollution 中文意思是什麼
chemical water pollution
解釋
化學水污染-
Chemical engineers have considerable background that is applicable to water pollution problems.
化學工程技術人員具有相當多的適用於解決水污染問題的基礎知識。 -
Ocean science and engineering research institute will this be the work of target, has already rather had own special features at the development of the realm, for example making salt, salt chemical engineering, ocean chemical engineering and make the salt machine etc., already had accumulated a lot of research experience at the academic realm, such as seawater kinematics, oceanic chemistry and developments and using of its resources, hydrology geology of the coast, salt pan biology, water - salt system phase diagram, inorganic separation, crystallography and so on, and is utmost developing oceanic resources attains, at the same time, doing the resources circulation & reusing and reducing the environment pollution
海洋科學與工程研究所將此作為工作的目標，在制鹽、鹽化工、海洋化工、制鹽機械等領域的開發已經頗具有自己的特色，在海水運動、海洋化學及資源開發利用、海岸帶水文地質、鹽田生物、水鹽體系相圖、無機分離、結晶等學術領域已積淀了豐厚的科研經驗，最大限度的開發海洋資源的同時做到資源循環再利用、減少環境的污染。 -
The program purpose is to reduce the pollution of agricultural products ( mainly vegetables and fruits ) and agro - environment ( soil and water ), e. g. caused by excessive use of agro - chemicals, organic and chemical fertilizers and from intensive livestock farming
項目目標是：減少農藥、有機肥料和化學性肥料的過量使用、以及畜禽養殖過程中產生的畜禽糞污對農產品（蔬菜、水果）和農業環境（土壤、水）的污染。 -
Organic pollution of river water is measured by three parameters, namely 5 - day biochemical oxygen demand, chemical oxygen demand, and total organic carbon
水中有機污染含量是透過三項參數計量：五天生化需氧量化學需氧量及有機碳總量。 -
As the agricultural nfs is the most important factor for water environmental deterioration and lake eutrophication in china, more and more scientists and technologists focus on the control countermeasurc and pollution mechanism of agricultural non - point source ( nfs ). based on the investigation of natural resource and agricultural distribution, the loss rule of nitrogen and phosphorus in the typical land of qiandao lake watershed and distribution rule of the phytoplankton and physico - chemical characteristic in the lake were studied, and the input loading of nitrogen and phosphorus was also calculated by the annagnps model in this thesis. according to the routine monitoring data of the water environment in qiandao lake from 1989 to 2001, the concentrations of toxic substance and heavy metal were under the monitoring limit, but the total nitrogen ( tn ) and total phosphorus ( tp ) were much higher than the criterion for lake and reservoir
本文調查了千島湖流域的自然資源和農業生產情況，研究了典型坡地降雨徑流中的氮、磷污染物的輸出規律，利用annagnps模型估算流域農業非點源污染物輸入負荷，並在千島湖內設點采樣，對水質理化指標和浮游植物群落進行系統的研究，得出以下結論： 1989 2001年間的水環境常規監測資料統計分析表明，有毒物質和重金屬濃度長期在監測下限內， no _ 2 - n 、 no _ 3 - n 、 nh _ 3 - n年平均濃度均符合類標準，但湖泊水庫特定項目tn和tp濃度分別為超類和類，呈嚴重超標狀況，湖區主要污染因子是將導致富營養化的物質tn和tp 。 -
The epd s water monitoring programme from the 1980s onward had mostly focused on physico - chemical parameters of marine water and sediment. biomonitoring had been restricted to the monitoring of sewage bacteria and phytoplankton as part of the general marine water quality monitoring. there had been no monitoring of effects of toxic pollution on marine organisms
本署自八十年代開始實行水質監測計劃，一直以海水及沉積物的物理及化學參數為主，生物參數只限於污水細菌及浮游植物的監測，污染對海洋生物的影響並不包括在監察項目內。 -
There are three difficulties and key problems in this papaer : : the first problem is what is the dominance bearing of the leakage fractures, and how the bedrock fracture water distribute, the second is how to test the complex chemical behavior in experiment way and quantify the relative parameters, the last question is how to number the transportation of the element 90sr and its pollution to solve the three problems, this paper does lots of work and come to the prospective order, the creativities in this thesis as follow : ( 1 ) the dominance bearing of the leakage fractures and the distribution feature of the fracture water are ascertained based on rich geological data, these basal researches are very important, which are the premises to build the transport model of the fracture water in hae field
本項研究工作的難點和關鍵問題有三個： hae處置場基巖裂隙系統中，導水裂隙的優勢方位是什麼，基巖裂隙水活躍帶分佈情況如何；怎麼對核素遷移的復雜化學行為進行實驗室測試並取得有關定量化參數；怎樣數值化表現出溶質的遷移行為和污染情況本論文在解決以上三個問題上做了大量的工作，達到了預期的目的，其創新之處有以下三點： （ 1 ）通過地質資料的分析，首次提出了hae預選處置場基巖裂隙導水的優勢方位和基巖裂隙水活躍帶的大致分佈特徵。它是一個很重要的基礎性研究成果，是建立hae處置場水運動模型的前提。 -
Aiming at the biological monitoring question of the rivers water body pollution, the theoritical description is presented, and the comparison on biological monitoring and the physic - chemical monitoring is made, the authors elaborated target biology in the biological monitoring the commonly used types and in the environmental protection application, the request and the problem of biological indicator monitoring and its solvable method
摘要針對河流水體污染的生物監測問題做了理論描述，並比較了生物監測和理化監測的利弊，闡述了生物監測中的指標生物、常用種類和在環保中的應用、要求和用生物指標監測污染水體存在的問題和解決辦法。 -
Biotoxicity testing can intuitivey reflect the compositive toxicity of contaminated water to biology species, so it plays an important role in predicting and controlling chemical pollution
摘要生物毒性檢測能直觀地反映污染水體對生物種群的綜合毒性，是預測和控制化學物質污染的一種不可缺少的輔助手段，因而得到了廣泛應用和迅速發展。 -
Problems existing in the development of water resources in yin - chuan basin are : surface water, groundwater, water for city use and water for agriculture use as well as water for ecological use are not reasonably programmed, leading to the waste of water resources and occurrence of salted soil. at the same time, because of the large amount drainage of wasted water, solids and gas as well as the comprehensive use of chemical fertilizer, the groundwater was polluted in different degree, the range and extent of the pollution have a tendency to increase yearly. whether the water is used in industry or in agriculture, the waste of water is very serious, the technology of water usage is slow, and the production value of water is low
銀川盆地在水資源開發利用中所存在的主要問題是：對于地表水和地下水、城市用水和農業灌溉用水以及生態用水等缺乏合理規劃，造成了水資源的浪費以及土壤鹽漬化問題的發生；同時，由於工業「三廢」的大量排放以及農藥、化肥的廣泛使用，使地下水不同程度地污染，而且污染程度和范圍有逐年加大的趨勢；無論是農業用水還是工業用水，浪費現象都十分嚴重，用水技術落後，單方水的工農業產值相對較低。 -
The recent status of water pollution caused by these pollutants was briefly introduced, the researches on photochemical degradation, photo - catalytic degradation, chemical redox methods, radiochemical methods and so on were mainly discussed
著重介紹了光降解及光催化技術、化學氧化法、氫解還原和輻射降解等技術在該領域的有關研究。 -
The chemical herbicide is the most effective way of weeding. however, much chemical herbicide are wasted and may cause pollution of water, air and soil because of its use for large area
化學除草是目前最主要的除草方式，但由於除草劑的使用方式都是大面積噴灑，不僅造成了浪費，也帶來了許多負面的影響，如對水源、土壤和空氣的污染等。 -
This involves the supply of advanced treatment, biological treatment, chemical treatment, packaged wastewater pollution control, physical treatment, sludge treatment, water conservation, monitoring measurement analytical equipments, other pumping system and chemicals
包括供應先進處理、生物處理、化學處理、綜合廢水污染控制、物理處理、污泥處理、節約用水、監測及量度/分析設備，其他泵水系統及化學品。 -
This involves the supply of advanced treatment, biological treatment, chemical treatment, packaged wastewater pollution control, physical treatment, sludge treatment, water conservation, monitoring & measurementanalytical equipments, other pumping system and chemicals
包括供應先進處理、生物處理、化學處理、綜合廢水污染控制、物理處理、污泥處理、節約用水、監測及量度分析設備，其他泵水系統及化學品。
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