氟污染 的英文怎麼說
中文拼音 [fúwūrǎn]
氟污染
英文
fluorine pollution-
The fluorine pollution and control on fruit trees nearby a brickkiln
磚廠排放的氟對周圍果樹的污染及防治對策Fluorine pollution in water basin and human body healthy
水域氟污染與人體健康Have pollutionuse the freon
有污染,使用氟利昂Poly ( vinylidene fluoride ) ( pvdf ) hollow - fiber porous membranes have excellent performances. but adsorption fouling will still be created on the hydrophobic surface when the membranes are used in aqueous solution separation systems. this can cause the decrease of the permeate flux and separation efficiency, thus the applications of the membranes are limited
聚偏氟乙烯( pvdf )中空纖維多孔膜具有優良的性能,然而由於其表面的疏水性,在用於水相體系分離時,仍會產生吸附污染,導致膜通量和分離效率下降,應用范圍受到限制。The sources, background value, environmental geochemistry features of fluorine, and its biological effects on animals, plants and human beings were reviewed
闡述了環境中氟污染的來源、本底值和氟的主要環境地球化學特徵及氟對植物、動物和人機體的生物效應。Fourth, the advanced surface analysis technique - x ray photoelectron spectrum is employed to study the adsorption of soluble - starch on the pvdf membrane. then we test by using xps combined with sem the original sample, the fouled sample and the washed sample with rubber sponge balls
第四,採用x射線光電子能譜( xps )技術分析了可溶性澱粉在聚偏氟乙烯膜表面的吸附,並將xps技術與電子顯微鏡技術相結合,對原始樣品、污染樣品和海綿橡膠球清洗樣品進行了測試和分析。Objective : to describe and compare the structure characteristics of enamel in human severely fluorotic teeth from water - drinking endemic fluorosis area and coal - burning endemic fluorosis area
摘要目的:描述並比較燃煤污染型和飲水型氟中毒地區重度氟斑牙釉質結構特點。There are some main problems included surface water pollution, groundwater overdraft, excess fluorine of rural drinking water, deficiency of rural water supply, and low efficiency water use
存在的主要問題是地表水污染嚴重、地下水嚴重超采、農村飲水氟超標和水量不足、水資源浪費仍很嚴重,以及管理手段有待提高等。Water quality - determination of fluoride - part 1 : electrochemical probe method for lightly polluted water
水質.氟化物的測定.第1部分:輕度污染水的電化學探頭法This paper analyzes the current situation of fluorine pollution in the soderberg cell of aluminum smelting, discusses the dry anode paste and dry cleaning technology being tentatively adopted, and puts forward some proposals for its further improvement
著重分析了鋁電解自焙槽氟污染現狀,對省內某鋁廠試用的干法凈化工藝進行了研討,為更進一步改造,提供了有價參考。Retrospective analysis of endemic fluorosis in a coal - burning polluted area in qianjiang district in
2005年黔江區燃煤污染型地方性氟中毒監測結果分析Water quality - determination of dissolved anions by liquid chromatography of ions - determination of fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions - method for water with low contamination
水質.使用離子液相色譜法測量可溶解氟化物氯化物亞硝酸鹽正磷酸鹽溴化物硝酸鹽和硫酸離子.輕微污染水測定方法With very positive initial results. customers have been impressed with unique design characteristics, pleasing appearance available in several popular colors, portability, convenience, and excellent performance
金格奧系列電子冰箱和電子酒櫃具有無氟製冷無壓縮機無噪音無污染綠色環保安全低耗的特點。The effects of high level fluoride intake on the children ' s health in pastoral area contaminated by fluoride in industrial waste gas
高氟攝入對工業氟污染牧區兒童健康的影響The control technology on fluoride pollution in brick and tile, ceramic, enamel, cement and glass industrial processes are reviewed in the paper, especially for the fluoride pollution control in building material industry of germany
摘要本文綜述了迄今國內外就磚瓦、陶瓷、搪瓷、水泥及玻璃生產等建材工業氟污染的控制技術,並重點介紹了德國為控制該類氟污染所採取的措施。By using the attribute clustering analysis through turf vegetation index, 15 tested turfgrasses could be divided into 3 groups ( non - sensitive, medium sensitive and sensitive ), and then, by using the sulphur content in leaf and turf vegetation index as grouping factors, the tested turf grasses were further divided into 3 groups ( strong tolerance, medium tolerance and weak tolerance )
在比較試驗后發現,草坪草對氟污染的反應不同,用草坪植被指數作屬性進行聚類分析,將15種試驗草坪草劃分成了不敏感,較不敏感和敏感3個反應類型,以草坪草葉片含硫量和草坪植被指數作屬性進一步聚類,劃分出了強抗性,中抗性和弱抗性3個抗性類型。Water quality - physical, chemical and biochemical methods - determination of fluoride : electrochemical probe method for potable and lightly polluted water
水質.第2部分:物理化學和生物化學方法.第41部分:氟化物含量測定:輕度污染水便攜式電化學測探器法The method of catalyzed electrochemical dissolution has the advantages : dissolving quickly and thoroughly, working at the environmental temperature, no hydrofluoric acid ( hf ) and low acidity ( hno3 ), etc. it can be widely applied in dissolution of pu02 and mixed oxide spent fuel element, the leaching of plutonium - contami
該法具有溶解速度快、溶解徹底、常溫、無氟( hf入低酸( hn 。 )下溶解等優點。雌能用於puo和混合氧化物乏燃料耕的娜、懷污染廢物的浸取等,也可用於含釬標準樣品的分折定值。You should buy ant or cockroach traps instead of fluorocarbon sprays ; they are less polluted and can reduce insect populations effectively. you should also try to minimise your purchases of products such as aerosol sprays that contain ozone depleting substances
避免使用含碳氟化合物的滅蟲噴霧劑,改用? ?屋等滅蟲蟻裝置,既可有效減少蟲蟻的數目,又可減低污染程度。Industrial pollution has been a problem in certain areas of hong kong, and 12 parameters relating to metals and metalloids were initially used in 1986 to measure the degree of such pollution. these parameters are aluminium, arsenic, boron, cadmium, chromium, copper, iron, mercury, manganese, nickel, lead, and zinc. in 1997, another seven were added antimony, barium, beryllium, molybdenum, silver, thallium, and vanadium, making a total of 19
香港部分地區多年來一直受工業污染的困擾, 1986年河溪水質監測計劃推行初期我們用12項金屬及準金屬參數來檢驗工業污染水平:鋁砷硼鎘鉻銅鐵汞錳鎳鉛及鋅其後在1997年起另添加了七項新參數:銻鋇鈹鉬銀鉈及釩,監測的參數共19項,此外並測試了四項與工商業污染有密切關系的參數,即氰化物總量氟油脂及洗滌劑。分享友人