銅污染 的英文怎麼說
中文拼音 [tóngwūrǎn]
銅污染
英文
copper pollution-
In order to solve the problems made by the manual strong acid cleaning, such as the deformation and thickness tolerance of part, pollution problem, expensive cost and low production efficiency
摘要為了解決銅及銅合金手工強酸清洗存在的問題,如工件變形和厚度一致性差、環境污染大、成本高及生產效率低等問題,研究了銅及銅合金的自動化清洗生產方式、處理流程和工藝配方。As to the soil basic respiration, the release amounts of co2 decreased, all of which may le d to the degradation of microbes activity in minesoils. relations were analyzed between plants and soils
Biolog結果顯示,紅壤銅礦區復墾土壤微生物的群落結構也發生改變,隨礦區土壤污染加劇,微生物對能源碳的消耗量和速度明顯升高,但利用效率卻降低。The results show that the pollution status are different obviously at different plots and the pollutants of cupper, zinc and pahs has been found in soil and groundwater at some plots
結果表明,各地塊土壤的污染情況差別較大,一些地塊存在明顯的銅、鋅和多環芳烴等的污染,地下水的水質較差。A survey of literature shows that little study has been done on uptake of pollutants by plants from the polygonaceae, and that the reports about their physiological and biochemical characteristics under heavy metal stress were sporadically seen. a batch of sand culture and soil culture experiments were carried out to investigate heavy metal and radiocesium uptak e and accumulation by rumex acetosa linn, polygonum microcephalum d. don, and rumex hastatus d. don widely distributed on copper mining areas, and their physiological and biochemical characteristics under cu zn stress, as well their potentials in application to phytoremediation
本論文以廣泛生長于銅礦區的蓼科植物酸模、小頭蓼和戟葉酸模為試驗材料,運用砂培、土培等方法,研究它們對重金屬( cu 、 zn )以及放射性核素( ~ ( 134 ) cs )的吸收和積累特性以及cu 、 zn脅迫條件下它們的生理生化特徵,初步探討它們在無機污染物污染土壤植物修復中的應用潛力。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺氧,而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。Through a case study in the dexing copper mine of jiangxi province, some useful conclusions have been drawn about metal mine pollution
通過熱紅外遙感影像對德興銅礦的地面熱污染狀況進行研究,為金屬礦山熱污染的治理提供幫助。In the field of the phytoremediation of copper pollution, submerged macrophytes are focused less than the terrestrial plants. in this study, ceratophyllum demersum l. and cahomba caroliniana a. gray were used as the test plant. the following two aspects were investigated in vivo methods : 1 ) the toxicity effects of cu2 + on the three main antioxidant enzymes ( including cat, pod and sod ) of two submerged macrophytes were detected at different low doses and on the chronic exposure, in order to establish the dose - effect relationship and the time - effect relationship, and thereby acquire the toxicity threshold ; and 2 ) with two submerge macrophytes throng cultured individual or combined on the chronic exposure, it was found on the bcf of copper and the influence of interspecific relationships to the submerge macrophytes resistance or bioconcentration
本論文以兩種大型沉水植物金魚藻( c . demersuml . )和水盾草( c . carolinianaa . )為受試植物,從它們對水體中cu ~ ( 2 + )的生物富集作用和動態,以及cu ~ ( 2 + )對它們體內抗氧化酶的急性毒性效應和亞急性毒性效應兩方面進行了研究: 1 )通過體內暴露不同劑量的cu ~ ( 2 + ) ,探討cu ~ ( 2 + )對植物體內三種主要的抗氧化物酶( sod , pod , cat )的毒理效應,建立劑量?效應關系和時間?效應關系,以揭示沉水植物對cu ~ ( 2 + )的抗性機制; 2 )通過對金魚藻,水盾草單獨培養和共同培養的方式,分別研究了兩種沉水植物對cu ~ ( 2 + )的生物富集系數及其動態以及兩種植物的種間關系對富集銅和植物耐性的影響,綜合評價了兩種植物在銅污染水體的植物修復中的應用前景。The concentrations of copper, lead and zinc in the shoot of e. splendens were affected by chemical and physical properties, such as full contents of heavy metals in soils, soil ph and organic carbon content, etc. the shoot can accumulate copper more on the red sandy paddy soil collected from dongxiang country, jiangxi province, than on silt paddy soil from fuyang country, zhejiang province. e. splendens took up much less copper from fuyang soils, the concentrations of zinc and lead in shoot were not also quite low
在酸性紅砂土上植物對銅的吸收和富集隨土壤銅含量的增加而顯著升高;而在銅、鋅、鉛復合污染的中性泥沙土上海州香薷體內銅含量和積累量不高,處于正常植物生長范圍內,植物體內鋅、鉛含量及其積累量也不高,海州香薷對重金屬的吸收和富集能力有限。Compared to the control, concentrations of cu and zn in e. splendens were significantly higher in the treatment of edds plus microbial product, and then markedly enhanced plant cu and zn uptake. edds application alone increased pb concentration in the above ground parts of e. splendens plants. the treatment of microbial product or chitosan alone had no significant effect on metal concentrations in e. splendens
發現3mmoll ~ ( - 1 )乙二胺二琥珀酸( edds )和微生物制劑的聯合處理可以極顯著地提高海州香薷地上部銅含量與積累量,同時也提高植物對鉛、鋅的吸收量,強化了復合污染土壤的植物修復作用。In contrast, plants from three populations of e. splendens showed high cu tolerance and substantial cu accumulation, under 100 umol l - 1 the plant of tl / zj / jd can accumulate 143. 5, 71. 9 and 58. 1 mg kg - 1 cu in the aboveground parts, respectively. the cu concentration in shoots was 16 to 27 times more than cu concentration in roots
在盆栽試驗條件下,海州香薷和紫花香薷對土壤銅、鋅、鉛復合污染都具有很強的耐性,地上部分銅、鋅、鉛等重金屬含量在植物生長期呈現動態變化,但植物地上部重金屬積累量保持增加趨勢。The product vacuum arcing chamber adopts porcelain insulation case, the contactor adopts wolfram and copper material, it has the advantage of reliable performance, long life, small volume, no explosion danger, no pollution environment
該型號真空滅弧室採用陶瓷絕緣外殼,觸頭採用鎢銅材料,具有性能可靠、壽命長、體積小、無爆炸危險,不污染環境等優點。For example, the condenser algorithm considered the trouble condition such as the leak of tube, fail of seal in vacuum system, the lower shaft sea - ting steam pressure, pollute of tube, the high water level of hot - well. the heater algorithm considered the trouble condition such as the leak, pollute of feed - water pipe and high water level of heater
如凝汽器演算法考慮了銅管泄漏、真空系統密封不嚴、軸封蒸汽壓力低、銅管結垢污染、熱井水位過高等故障項目,加熱器演算法考慮了給水管道泄漏、給水管道污染、結垢、加熱器水位過高等故障項目。To reduce the difference between east and west area step by step, the cities should supply each other ' s needs
需加強優勢互補,逐步縮小東西部地區的差距。環境污染削弱皖江各城市可持續發展綜合水平,銅陵、馬鞍山表現的尤為明顯。Contamination of hands with nickel was shown to occur by handling cupro - nickel coins for five minutes, the study said
人們的手和這種鎳銅合金硬幣保持5分鐘接觸就會引起鎳污染。Study on dealloying corrosion of cu alloys induced and accelerated by flowing or polluted seawater
流動和污染海水誘發並加速銅合金脫成分腐蝕的研究The entire valve body and bonnet, inside and outside are fully coated with a fusion bonded epoxy that offers protection against corrosion and abrasion. the wedge is fully encapsulated with a vulcanized sbr or epdm rubber. all trims are made of stainless steel and copper alloy to prevent from polluting fluid medium
閥門內外表面採用無毒環氧樹脂粉末塗敷,閘板全包耐蝕橡膠,其他與介質接觸的零件,均採用不銹鋼和銅合金製造,具有良好的抗蝕性能,不污染介質。Objective to investigate the cause of the 0. 1 % benzalkonium bromide contaminated by pseudomonas aeruginosa and take measures dealing with the contamination
摘要目的調查0 . 1 %苯扎溴銨消毒液被銅綠假單胞菌污染原因,以採取相應的預防控制措施。The high voltage windings is made by sectional aluminium foil with glass fiber and resin casting, the voltage between turns is very low, the partial discharge is very low, there is no cracking, since the expansion factor of conductor and insulation material is similar, it also has the advantages of no corrosion, no pollution, low losses, low noise level, anti - vibration, fire protection, maintenance free, long operating life and high reliability
低壓繞組為銅箔繞制,半干nomex紙做層間和外層絕緣,經乾燥與銅箔固化為一體,散熱好強度高。高壓繞組為分段鋁箔繞制,玻璃絲網架環氧樹脂澆注,層間電壓低,局部放電小,導體和絕緣體膨脹系數相似,不裂壽命長無腐蝕無污染損耗小噪音低抗震阻燃免維護運行安全可靠。Effects of intercropping cunninghamia lanceolata in tea garden on contents and distribution of heavy metals in soil and tea leaves
加工過程對茶葉鉛和銅污染的影響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