流體污染物 的英文怎麼說
中文拼音 [liútǐwūrǎnwù]
流體污染物
英文
fluid pollutant- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 體 : 體構詞成分。
- 污 : Ⅰ名詞(臟水; 臟物) slops; sewage; dirt; filth Ⅱ動詞(弄臟) defile; dirty; smear Ⅲ形容詞1 (臟)...
- 染 : Ⅰ動詞1 (用染料著色)dye 2 (感染) catch [contract] (a disease) 3 (沾染) acquire (a bad hab...
- 物 : 名詞1 (東西) thing; matter; object 2 (指自己以外的人或與己相對的環境) other people; the outsi...
- 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
- 污染物 : contaminants
- 污染 : pollute; contaminate
-
Powder materials can be made into even granules customer needs without adding any bonding anent when they run througnh the machine. as density of granules are larger, no any afterward process is needed so as to reduce technological process, reduce granulation cost and powder pollution and improve labor environment as well
粉體物料經本設備,無需添加任何粘結劑即可直接製成用戶所需的均勻顆粒產品,顆粒密度大,城無需再進行后續加工處理,減少了工藝流程,不僅降低了造粒成本,並且減少了粉塵污染,改善工人的勞動環境。The rising temperature in the cave, the lamp - light ' s toasting and the convictive air made the humidity of the whole or part of the cave descend, which made the speleothem sightseeing dry, cracked and weathering. the acid air from the outer and the highly dense co2 would cause acid erode action to the speleothem sightseeing with water vapor. the existence of lamp - light offered a good chance for the lightloving plant to grow up, thus a lot of bryophyte covered the speleothem sightseeing
洞穴升溫、燈光的烘烤及空氣的對流致使洞穴濕度或局部濕度降低,使景觀產生乾裂、風化;氣流帶入的洞外酸性氣體及高濃度co _ 2在高濕的條件下,結合水汽對洞穴景觀產生酸侵蝕作用;燈光的存在為燈光植物生長提供了條件,使大量的苔蘚類植物生長于鐘乳類景觀的表面;洞外大氣粉塵的進入,給洞穴帶來了非常嚴重的破壞,粉塵在洞內高濕的環境下大量沉降,附著于鐘乳類景觀的表面,致使受污染面發黑,毫無光澤。To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction
混凝土縫面處理採用高壓水流沖毛技術,大大提高了施工工效,減少了倉面污染;模板工程大量採用定型鋼模板施工技術,提高了壩體混凝土成型質量和工程進度;在二期混凝土施工區域,為免除人工鑿毛勞動強度,採用永久性免拆金屬模板網作為一期混凝土模板;鋼筋連接改進傳統的電焊連接方式,採用大量採用鋼筋接頭機械連接技術,有效提高了接頭強度和鋼筋連接速度,施工安全性大大加強,質量穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強度混凝土施工系統工程的研究,使三峽工程成為名符其實的「世界一流工程」成為可能;三峽二期工程混凝土溫控綜合技術的應用,有效降低了壩體混凝土溫度的產生;混凝土表面處理及裂縫處理技術的應用,提高了建築物的整體性和耐久性。Based these researches acquired and using a mathmatical model, this thesis tries to research the contaminant concentration distributions of three - dimention indoor turbulent flow by means of computational fluid dynamics and heat transfer, and then works out the ventilation efficiency
本文企圖在前人的基礎上,通過建立相應的數學模型,用流體流動數值計算方法來模擬室內三維的紊態氣流中的污染物濃度分佈,進而分析計算室內的通風效率,得出通風效率較好的室內氣流組織形式。Influenza and other respiratory viruses are spread in small droplets broadcast by coughing, sneezing and talking and which can also settle onto surfaces, to be picked up on fingertips
流感及其他呼吸道病毒主要通過咳嗽、打噴嚏或說話時散播的飛沫傳播,它也會附著在物體表面,通過被污染的手指接觸傳染。This paper summarizes the pollutants in raw water and their removal techniques, the water treatment process puts emphases on full - process and multi - layer safety barrier techniques, including water resource protection and water body restoration, raw water sale transport, safe purification in waterworks, safe distribution in pipe etc drinking water safety can he ensured by adopting multi - layer safety barrier technique to meet stricter drinking water quality standards
摘要分析源水中污染物質及其去除技術,國內外飲用水處理工藝採用全流程、多級安全保障技術,包括水源保護與水體修復,原水安全輸送,水廠內安全凈化,管網水安全輸配等,以期將污染物質降至水質標準以下,確保飲用水安全。In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes
文摘:本文將水質預測及水污染控制措施有機地結合,選取水環境容量和污染指數作為水污染控制的參數.這樣,一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進,因為其採用四點隱格式對水質進行預測,推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值,從而制定相應的水污染控制措施.為整體考慮各種污染物的情況,建議採用河流的污染指數進而推求綜合污染指數.總之,本研究為水質保護提供了科學的計算方法,該法對水污染控制及污水對河道水質的影響是實用有效的Standard practice for processing aerospace liquid samples for particulate contamination analysis using membrane filters
用膜濾器進行粒狀污染物分析用航空航天流體樣品的處理Hydraulic fluid power - fluid contamination - determination of particulate contamination by the counting method using an optical microscope
液壓流體動力.流體污染.用光學顯微鏡計數法測定粒狀物污染The scheme embraces four projects, namely ( 1 ) to build up sluices at anqiu bridge and nanzhou bridge ( and the one at anqiu bridge is the first choice ) so that pollutants can be from entering the lake ; 2 ) as a necessary accessory for the above project, to supplement water capacity from changdang lake as a strategic water source into the protection program, and culvert - pipe plan is recommended from two other alternatives through systematic analysis ; 3 ) to carry out comprehensive realignment for some reed regions which are located at the entrances of the lake, and to develop a wetland ecosystem mainly with some reeds ; and 4 ) to set up a green protection belt right round the lake, including planting reeds at lakebeach, building forest belt, developing bases of green foodstuff and disposing sludges in the lake base
該方案由4個工程子系統組成, ( 1 )截污工程:在岸丘橋和南州橋位置各築一節制閘(而岸丘橋工程又是首選工程) ,以封住湖泊兩頭入流,杜絕污染物進入水源地的截污工程; ( 2 )引水工程:是截污工程的配套工程,利用下游長蕩湖來補充水量,並對3個引水工程設想進行了系統分析,推薦涵管方案,同時將長蕩湖作為該市戰略水源地一併納入保護體系中; ( 3 )濕地生態處理工程:對進入蕩區前的蘆葦區進行綜合整治,發展以蘆葦為主的濕地生態處理工程; ( 4 )環湖綠色自然保護帶工程:包括建設圍湖蘆葦蕩、環湖林帶、綠色食品基地以及污泥處置。This paper analyzes the forming principle, effecting factors and controlling measures of poisonous gas of exhaust emission from petrol engine for vehicle fully and accurately. after the comparison on the emission control measures, it is clear that there is a trade - off relation between emission control and power, torque, fuel consumption of engine. " efi + catalytic converter " is a integration measure of in - engine and out - engine, which is a mainstream technology of emission control for petrol engine for vehicle
本文通過大量的文獻閱讀,翔實的分析了車用汽油機排氣中有害氣體成分的產生機理、影響生成的主要因素、治理排氣污染物的主要技術措施,指出這些措施與發動機的其他性能(如動力性、經濟性等)的一種折中關系,只有「電控噴射+排氣催化轉化」是一種機內與機外相結合的措施,是控制車用汽油機排放的主流技術。Aerospace - fluid systems and components - methods for system sampling and measuring the solid particle contamination of hydraulic fluids
航空航天.流體系統和部件.液壓流體的固體顆粒污染物的系統取樣和測量方法Space systems - surface cleanliness of fluid systems - analytical procedures for the determination of nonvolatile residues and particulate contamination
航天系統.液體系統的表面清潔度.不揮發性殘流物和顆粒污染物的測定用分析程序Qiandaohu lake was very famous for its clean water quality. but in recent years the water body has become seriously eutrophic especially during summer months in some areas of the lake and came to the attention of national, provincial and city environment protection agency. the main objective of this study involved the following : sampling and monitoring water from the lake ; water quality assessment and biological assessment ; ascertain the limiting factors for phytoplankton growth ; fuzzy cluster analyse of water pollution of all sampling points ; predicting total phosphorus concentration in the lake by using static models ; setting up regression models and their application ; setting up an eco - dynamic model and its simulation
本研究根據1998 - 2000年連續監測數據,對千島湖進行了水質評價和生物評價;分析了千島湖水體富營養化的限制性因子;同時根據千島湖各個取樣點的污染狀況,對千島湖進行水環境質量區劃;利用前人的經驗統計模型預測了千島湖現有的磷濃度水平及治理所需要削減的污染物負荷量;並且組建了多個回歸統計模型,運用這些模型預測千島湖水體中的總磷濃度;最後根據多年水質、底質、生物等方面的監測數據以及千島湖流域的氣象和社會經濟狀況的資料組建機理性的千島湖富營養化模擬模型。Based on comprehensive investigation to hydrology present situation, quantity and distribution of pollutional sources, drainage situation of waste water and water ' s pollution matters, location distribution of drainage of waste water, quality of river water and underground water, drainage pipe system and environmental hygiene in eastern city - guarding river valley, the author exhaustively analyzes the cause of exsiting environmental problems and provides suggestions in comprehensive administration of eastern city - guarding river
摘要在對東護城河流域水文現狀、污染源數量及分佈、廢水及污染物排放情況、排污口分佈、河流水質、地下水水質、流域內排水管網和環境衛生狀況進行認真調查的基礎上,對其存在的環境問題及其成因進行了詳細分析,並提出了具體的流域綜合治理建議。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。The study outcomes show that the soil conservation benefit gained through typical conservation measures for the upper stream of miyun reservoir is 62. 7 % and benefit of pollutant loss reduction between 25 % 40 % and ; the typical measures exert remarkable function on the aspects of area - source pollution control and water source protection
研究結果表明:水庫上游典型水保措施的保土效益達62 . 7 % ,減少污染物流失效益在25 % ~ 40 %之間;典型水保措施在減少入庫泥沙、減少進入水體的污染物等控制面源污染和保護水源方面發揮了顯著的作用。The impact of unsteady aerodynamic wake of man ' s movement on contaminant transportation should be taken into account in the air contamination control of crucial medical rooms, and most previous studies regard the occupant as static object, which resulted in the contaminant distribution in hospital being rather different from the actual situation
摘要醫院關鍵科室內應考慮人體活動引起的動態尾流對空氣中污染物擴散的影響,通常假設人體靜態的模擬方法並不能反映真實情況。Aerospace ; hydraulic system fluid contamination ; location of sampling points and criteria for sampling ; identical with iso 11217 : 1993
航空航天.液壓系列流體污染物.取樣點定位和取樣準則分享友人