污染濃度 的英文怎麼說

中文拼音 [wūrǎnnóngdù]
污染濃度 英文
pollution concentration
  • 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...
  • 濃 : 形容詞1. （液體或氣體中所含的某種成分多; 稠密） dense; thick; concentrated 2. （程度深） （of degree or extent） great; strong
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 污染 : pollute; contaminate
  • 濃度 : potency; thickness; concentration; consistence; strength; consistency; density
  1. Using cd, cu, zn and cr as experimental toxicants and crucian as experimental creature, we employed the environmental biotechniques ( flame atomic absorption spectrophotometry, the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure. through which, we intended to fully and systemically study the toxic influence of heavy metals to fish, and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual, organ, tissue, cell and molecule. thus we tried to provide scientific evidence to establish preventative management measures, avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time

    隨后以這幾種重金屬作為實驗毒物，以鯽魚為實驗動物，應用環境生物技術、火焰原子吸收分光光度法、鄰苯三酚自氧化法、透射電鏡等技術研究了重金屬cu 、 zn 、 cd和cr對鯽魚的急性毒性及其安全濃度評價、混合重金屬在鯽魚幼體組織內的積累和分佈、 cd對鯽魚鰓和肝臟中sod活性的影響、 cd對鯽魚肝細胞和腎細胞超微結構的影響等，全面和系統地研究了水環境中重金屬暴露對魚類的毒性影響，初步探討了重金屬污染對魚類的個體? ?器官? ?組織? ?細胞? ?分子等各水平層次的影響，為制定漁業生產上預防性的管理措施提供科學依據，及時避免或減輕重金屬污染對水生生態系統造成的損害。
  2. Modification of rinsing techniques by installing cascading or counter-current rinse systems increases the contaminant concentration.

    安裝了階梯式裝置或對流漂洗裝置，可改進漂洗技術，把污染物的濃度提高。
  3. 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。
  4. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度，然後通過污染物在氣相、液相的質量組分方程，結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程，獲得了污染物在液相和生物膜中濃度分佈的近似分析解，最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  5. Differences in case fatality between high and low pollution areas could be due to many factors other than co concentrations.

    輕、重污染區致死病的方面的差別可能是一氧化碳濃度以外的許多因素所造成的。
  6. The methods described in this chapter and utilized in the sample problem calculation can't be expected to yield perfect predictions of ground level pollutant concentrations.

    用本章所介紹並用在實例計算中的方法，不能期待得到地面污染物濃度的精確預測值。
  7. The decomposition of hydrophyte residua led to high concentration of cod in winter and the start of spring

    由於水生植物死亡分解， cod在冬季和初春濃度高，有很大的污染性。
  8. Methods for measurement of air pollution. determination of the mass concentration of sulphur dioxide in ambient air : tetrachloromercurate pararosaniline method

    空氣污染度的測量方法.第10部分:在環境空氣中二氧化硫質量濃度的測定:四氯汞化物副品紅法
  9. 10. after polluted by so2, both chlorophyll and protein content in resistant plant leaves and sensitive plant leaves decrease. the higher so2 concentration, the bigger decreased rate, and the decreased rate of sensitive plant is obviously bigger than resistant plant

    10 .在受到50 :污染后，杭性和敏感植物葉片中葉綠素和蛋白質的含量均有所降低，且50 :濃度越高，下降的比率越大，但敏感植物的下降比率顯著大於抗性植物。
  10. Under different sludge concentrations and fluxes, the changes of transmembrane pressure, combined with changes of the appearances of the fouled membrane surface were investigated, to dynamically analyze membrane fouling process of a submerged membrane bioreactor

    結合膜過濾壓差的上升和污染膜表面微觀形態的變化，對不同污泥濃度和膜通量條件下，一體式膜生物反應器中膜污染過程進行了動態分析。
  11. Industry, agriculture and life pollutions are sources of total nitrogen, so their distribution and pollution intensity are important influence factors of total nitrogen ' s varying law

    工業、農業和生活污染源是總氮的主要來源，其分佈和污染強度是總氮濃度變化規律的重要影響因素。
  12. ( 3 ) the software modflow is a authority software in the world edited by professors chunmiao zheng etc, this paper uses the software successfully to model the pollution area and pollution concentration of the element 90sr in fracture water in hae field and its chang

    軟體成功地運用到放射性廢物處置的環境評價領域。三維動態模擬鋸進入裂隙飽水帶后的污染范圍、污染濃度分佈及其隨時間的變化規律，確定了xr的污染區域。
  13. Corrosion test in artificial atmospheres at very low concentrations of polluting gas

    在人工環境中以極低的煤氣污染濃度進行的腐蝕試驗
  14. The testing by beijing environment protection scientific research institution shows : purple jade villas has fresh air, high content of oxygen, and low density of pollution

    莊園內的空氣和水質均經北京環境保護科學研究所檢定，空氣清新，含氧值高，空氣污染濃度極低。
  15. The impact of different densities of diesel oil polluted in soil on germination and growth of alfalfa was analyzed in indoor pot - planting experiment

    摘要以單一外源環境因子污染水平為主要調控因子，室內盆載試驗觀察不同土壤柴油污染濃度控制下紫花苜蓿種子的萌發與生長情況。
  16. The model fitting and forecast show that the model not only can fit the changing tendency of air pollution, but also can forecast air pollution density quite accurately

    擬合及預報試驗表明，這些預測模型不但可以很好地擬合空氣污染濃度的變化趨勢，而且還能夠對未來幾個月的空氣污染濃度做出較準確的預測。
  17. Results showed the ration of oil inhibitory on alfalfa seed germination was correlated linear - exponent with soil diesel oil densities, and yellow leaf and drying up was appeared after sprouting in high density dealing group

    結果表明，紫花苜蓿種子發芽抑制率與土壤柴油污染濃度明顯指數線性相關，而且發芽之後高濃度處理組幼苗出現黃葉和乾枯現象。
  18. Issues of spatial extent and resolution, the selection of environmental burdens to analyze, data and methodological limitations, and different approaches to delineating exposure are discussed in the context of the asthma study, which, through proximity analysis, found that people living near ( within specified distance buffers ) noxious land uses were up to 66 percent more likely to be hospitalized for asthma, and were 30 percent more likely to be poor and 13 percent more likely to be a minority than those outside the buffers

    本研究考慮空間與?圍、環境分析的資料、所收集資料與不同應用方法的限制及運用不同方法去說明該研究族群之暴露情形，透過趨近分析，發現以該地空氣污染濃度劃分結果，相較于污染較低之區域，居住于污染物濃度較高之區域，有高於66 %以上的機率會因氣喘而住院治療，有33 %是機率因為貧窮， 13 %以上的機率可能是未成年者。
  19. And concentratrate on floating dissolveing and sinking dissolving, offer each type with corresponding formula. together with each kind of the natural resource, wind and tide condition in dalian bay, an evaluating model was carried out. third developing a program in visual basic to fulfill the area calculation and compensation in computer

    根據大連灣實際的潮汐和風的情況在結合污染擴散公式的基礎上，提出散化損害評估方法及模型，並運用visualbasic獨立開發出一套散化評估和污染賠償的應用輔助軟體，計算出受損面積和污染濃度的范圍，並根據結果對自然資源的賠償做出大致估算。
  20. Z pah ( for l6 epa priority pah ) concentration in surface sea ' ' ater t ' as 4. 55 llg / l, and 2. 86 ped in surface sediment

    結果顯示：魚肝臟的cat活性、 sod活性。 mda濃度與水體的pah污染程度具有良奸的相關性。
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