point pollution 中文意思是什麼
point pollution
解釋
點污染-
Emphasis on pollution abatement may cause recovery systems to be installed, especially if production cost can be brought near the break-even point.
消除污染的強烈要求可能促使建立各種回收系統，要是生產費用接近不賺不負的話更是如此。 -
At this point we should consider the best results that air pollution control can achieve.
在這方面我們應該研討一下控制空氣污染可能達到的最佳效果。 -
Point source pollution and non - point source pollution are always the two important problems of the water environmental quality. point source pollution mainly includes industrial sullage and city ' s life sullage, which are drained from the certain outfall
點源污染和面源污染一直是水環境質量的兩大問題，點源污染主要包括工業污水和城市生活污水，通常在排污口集中排放。 -
By the analysis on the status of severe increase of the contribution and harm from terrene non - point sources pollution in the merine environment of china, the need to research and develop the monitoring tracking technology of pollutans source was emphasized
摘要通過對我國近岸海域陸源性非點源污染污染貢獻率及其危害性劇增現狀的分析，強調了在我國開展污染源示蹤檢測技術研發的必要性。 -
From the point of sustainable development, the authors propose a comprehensive solution, which is to scientifically reform the desertified land, to strengthen the developing and using of salinized land, to reasonably use the groundwater resources and to cut off the pollution sources
從可持續發展的角度，提出了環境地質問題的整治需科學合理地對沙漠化土地進行治理；加強鹽漬土地的開發利用；合理利用地下水資源及切斷污染源。 -
What point is there cutting back on our own emissions, the foot - draggers ask, if our efforts are obscured by a vast and growing cloud of pollution from china
這些拖後腿的傢伙們會提出這樣的疑問：如果我們做出的減排努力被中國巨大且仍在增長的污染陰雲所遮蔽的話，那麼我們的努力還有何意義？ -
The objective of this research is to test the rcc from ] st to 6th order streams of changjiang river watershed in southern mountain area of anhui province, to explore the function and structure of macroinvertebrate community succession rule of the river. the changjiang river water quality asse ssment is carry on by comparison of the community characters of the point - pollution or non - point pollution sites to the hypothesized rcc, the macroinvertebrate community structure indices and bi index were used in the assessment
本文對閶江河底棲動物群落結構和功能進行了系統研究，運用河流連續性理論對該河一至六級支流各取食功能團比例的演替規律及毛翅目成蟲的群落結構進行了比較分析，並通過計算底棲動物群落結構指數和bi指數，對該河進行了水質評價。 -
For pollution prevention and remediation, countermeasures are proposed as follows, pollution source control, clean production, construction of more sewage treatment plants and related pipe structures, ecological agriculture enhancement and non - point pollution control, protection region construction in turbid areas
因此，對流域污染提出防治措施：從源頭控制污染，推行清潔生產；增建污水處理廠及配套管網；發展生態農業、加快治理面源污染；建設濕地保護區等。 -
The situation of agricultural non - point pollution source and the controlling strategy
農業非點源污染狀況與防治綜述 -
Study and comment on agricultural non - point pollution model with the support of rs and gis
支持下農業非點源污染模型研究評述 -
Based on the study on the current instance of agricultural environmental quality and safety in chongqing city, we put forward that : make the best of the environmental resources, carry on the layout of agriculture production, and adjust the agricultural structure ; strengthen ecoenvironmental protection and pollution control in the outskirts of the city ; reasonably apply pesticides and fertilizers in order to avoid agriculture products being polluted by them ; strengthen the construction of monitoring system of agricultural environment and agriculture product quality and safety in the whole city, and develop early warning monitoring ; strengthen non - point pollution control in the three gorges reservoir area ; and conduct more researches on controlling of priority pollutants in agricultural environment
摘要對重慶市農業環境質量安全現狀進行了研究分析，提出了充分利用環境資源比較優勢，進行農業生產布局和農業結構調整；加強城郊區農業生態環境保護和污染的治理；合理施用農藥化肥，防止農產品農藥殘留和硝酸鹽污染；加強全市農業環境與農產品質量安全監測體系建設，開展預警監測；加強三峽庫區農業面源污染防治；進一步開展農業環境優先污染物的控制研究等防治對策。 -
Abstract : in this paper, we proposed a diffusion equation for simulating the problem of pollution, and discussed its application to point pollution, especially while instantaneous point pollution happened. finally, we gave the numerical analysis
文摘:給出了一個適合於模擬污染問題的擴散方程，討論了它在點污染，尤其是在瞬時點污染發生時的應用.並對一些實際算例進行了分析 -
Accordingly, the change trend of each functional feeding groups from 1st to 6th order streams is congruent with rcc, but the degree of the gradient changes of shredder, collector and scraper groups are much smaller than those predicted by the theory because of the influence of non - point pollution
一至六級支流取食功能團變化趨勢符合河流連續性理論，但撕食者、集食者及刮食者的梯度變化沒有理論上的梯度變化明顯，這是由於閶江河存在一定程度的非點源污染導致的。 -
Particularly, we need to pay attention to the protection of major waters, air and non - point pollution on the land
特別是對水、空氣的污染和土地面源污染，要有計劃、有步驟地進行治理。 -
Agriculture non - point pollution status amp; protection counterpart measures in the boyang lake district
鄱陽湖區農業面源污染現狀及對策措施 -
Agriculture non - point pollution status amp; amp; protection counterpart measures in the boyang lake district
鄱陽湖區農業面源污染現狀及對策措施 -
Based on an urban forest conservation in jiufeng which is located at wuhan and with an ecotourism function, remote sensing and field survey was used to establish environment database for the surface water environment planning since the non - point pollution is dominant in the conservation and the prediction of pollution source intensity was difficult in quantification and precision
摘要武漢九峰城市森林保護區是以九峰山和馬鞍山森林公園為基礎，整合周邊山體、植被等自然資源，建成的具有生態旅遊功能的城市森林保護區。 -
Physical - chemical data shows that slight - moderate point pollution exists in changjiang river. the inorganic pollution exists at the testing site of the 1st stream, and the predator ' s number at the testing site is obviously smaller than that of the reference site, while the number of shredder, collector and scraper each at the testing site is close to the number of those at reference site respectively
與參照點相比，一級支流檢測點捕食者群落明顯偏低，而撕食者、集食者及刮食者群落很接近，三級支流檢測點集食者群落偏高，刮食者群落偏低，底棲動物種類單一化，而撕食者和捕食者群落比較接近。 -
The monitoring hydro - data of 8 sections from fudedian to zhaoquanhe along the main stream of liaohe river are collected and analyzed. the nemero indexes for the water pollution of liaohe river are calculated and illustrated in diagrams. the results show that the principals of the spatial - temporal cod level changes in the main stream of liaohe river. also, two obvious characteristics of cod pollution are found out : the absolute cod level is very high in this river ; the ratio of cod bod is significantly higher than average. and the phenomena are explained in detail in this paper from multiple aspects such as industrial point pollution, soil and water losses, municipal sewage, agricultural water pollution and etc, based on the relationship analysis between cod, ss and water quality parameters
對遼河幹流從福德店到趙圈河8個斷面的水質監測數據進行統計分析，計算得出遼河幹流水體污染的內梅羅指數，並以圖表形式揭示了遼河幹流cod時空變化的規律，總結出了遼河cod污染的兩個主要特點： 1 cod絕對值高2 cod bod相對比值也明顯偏高。通過對cod與ss cod與水質參數的相關性分析，從工業點源水土流失面源城市生活污水及農業用水等方面的污染解釋了上述特點。 -
Non - point pollution source model is the important means of simulating non - point pollution, and soil erosion model is the foundation of non - point pollution model, and the affecting factors of soil erosion is the foundation of soil erosion model
摘要非點源污染模型是進行非點源污染模擬研究的重要手段，而土壤侵蝕模型是非點源污染模型的基礎，土壤侵蝕因子的研究是土壤侵蝕模型的重要基礎。
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