heavy metals 中文意思是什麼

heavy metals 解釋
重金屬
  • heavy : adj （馬）患哮喘病的。adj 1 重的 （opp light） 有重量的；重型的；裝備重型武器的。2 大的；大量的，...
  • metals : 超氦元素
  1. The order of four soil biochemical intensity being sensitive to heavy metal pollution indicated as : nitrification > nitrogen fixation > decomposition of cellulose > ammonification. however, soil microbial biomass c : n ratio increased with the increasing of heavy metals level

    幾種生化作用強度的下降順序為硝化作用固氮作用纖維素分解強度氨化作用；但土壤微生物生物量碳氮比則隨著重金屬污染水平的升高而增加。
  2. Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.

    砷的主要處理方法有硫化物沉澱法，或與多價重金屬絡合。
  3. 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。
  4. The concentrations of heavy metals in benthos ( aquatic oligochaetes ) is remarkablely correlated with that in sediments ( p < 0. 01, p < 0

    河涌中的水棲寡毛類與沉積物中的重金屬含量顯著相關（ p 0 . 01 ） 。
  5. Body burden of heavy metals and trace organics in mussels

    貽貝體內的重金屬及痕量有機物含量
  6. The current test method of heavy metals in edible alcohol is adopted colorimetric method using hydrogen sulphide saturated solution as colorific agent, this method is toxic, disagreeable odour, contaminated, overlaborated and time expended

    摘要食用酒精重金屬檢驗方法目前是採用飽和硫化氫溶液作顯色劑的比色測定法，該法毒性大、氣味難聞、污染嚴重、繁瑣、耗時。
  7. Cumulation properties of heavy metals by suaeda heteorptera on estuary banks of river qingjinghuanghe in tianjin

    天津市清靜黃河口河岸翅堿蓬的重金屬富集特性
  8. Toxicants-the heavy metals which may be of concern in textile mill effluents are copper, chromium, and zinc.

    毒物--指與紡織廢水有關的重金屬銅、鉻和鋅。
  9. Distribution of heavy metals in the sediments from the grand canal hangzhou section

    沉積物中重金屬分佈特徵及變化
  10. Progress of study on joint toxicity of heavy metals

    重金屬聯合毒性作用研究進展
  11. Method for limit test of heavy metals in food additives

    食品用香料分類與編碼
  12. For quantitation of heavy metals in clinical sample

    測定臨床樣本的重金屬含量
  13. On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city, the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ), the 22nd offspring purely cultivated by pearl river fishery research institute, were measured by physiological and biochemical indexes and observation of electron microscopy

    本研究中首先調查了廣州市河涌沉積物及底棲生物體內重金屬含量及分佈，並以珠江水產研究所培育的水生實驗動物?劍尾魚為實驗材料，利用環境生物技術，電鏡觀察等技術方法研究了重金屬?汞對劍尾魚組織的毒害及機體必需微量元素硒對其毒害的拮抗性影響。
  14. The main study in this paper included as follows : the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city ; the acute toxicity and joint toxicity of mercury and selenium to swordtail fish ( xiphophorus helleri ) ; the damage of mercury to the indexes of antioxidant system in the gills and livers in swordtail ( including the measurement of the activities of total antioxidative capacity [ t ~ aoc ], superoxide dismutase [ sod ], glutathione peroxidase [ gsh - px ] and the concentration of malondiald - ehyde [ mda ] ) and the relief effects of selenium on it, as well as the physiological damage of mercury on the tissues, namely : the antagonistic effect of na + - k + ~ atpase activity on the tissues between selenite and mercury, and the ultrastructural damage under the exposure of mercury

    研究內容主要有：廣州市河涌沉積物及底棲生物體內重金屬含量及評價；汞和硒對劍尾魚的急性毒性和聯合毒性及安全濃度的評價；汞對劍尾魚鰓和肝臟中抗氧化系統的毒性，包括對總抗氧化能力、超氧化物歧化酶、谷胱甘肽過氧化物酶活力及丙二醛含量的測定及硒對其保護作用；汞對劍尾魚組織生理毒性即：汞對na ~ + - k ~ + atpase活力的影響及硒的保護作用和汞和對劍尾魚組織超微結構的損傷等。以高氯酸?硝酸消化法和火焰原子吸收分光光度法測定了廣州市河涌沉積物和底棲生物中重金屬含量。
  15. The assessment on the pollution of heavy metals in sediment of guangxi inshore

    廣西近岸海域沉積物中重金屬污染評價
  16. Lcq11 : importation of pachinko machines with toxic heavy metals

    立法會十一題：含有毒重金屬彈珠機進口
  17. Decontamination works for heavy metals and pah are carried out on site

    針對重金屬及多環芳香族碳氫化合物物質的除污工作是在施工地盤內進行的。
  18. To follow the current gsp specifications and decrees and codes on medicines, shanghai sunbow pharmaceutial co., ltd. chinese medicine herbal tablets factory invested more than 1 million yuan rmb in 1999 to rebuild the quality control room equipped with high - recision instruments, such as high - efficiency liquid chromatographic instrument, high - efficiency colour spectram meter for gas phse, automatic polarimeter and ultraviolet spectrophotometer. this provides a scientific guarantee for medicine production and storage and enables medicine to reach the international advanced level in monitoring of various indexes like the conteng of effective composition, content of heavy metals and residual pesticide content

    為符合現有的gsp規范及藥品法規， 1999年上海虹橋藥業中藥飲片廠投資100多萬元改建了質量檢測室，配以高效液相色譜儀、高效氣相色譜儀、自動旋光儀、紫外分光光度計等高精密儀器，使藥品的生產和儲存有了科學的保證，並使藥品在有效成分含量、重金屬含量和農藥殘留量等指標監測上達到國際先進水平。
  19. The results showed that the contents of heavy metals in soils contaminated around the copper - zinc smeltery were higher than those in non - polluted soils

    結果表明，在冶煉廠周邊土壤幾種重金屬含量與對照區土壤相比明顯的增加。
  20. Speciation analysis of heavy metals in chinese traditional medicines relation between existing speciating of heavy metals and chelating extraction concept of supercritical chelating extraction, choice and recovery of chelating agent affecting factors chelating extraction are introduced

    介紹了中藥中重金屬的形態分析方法、重金屬的存在形態與配合萃取的關系、超臨界配合萃取的原理、配合劑的選擇和回收利用、配合萃取過程的影響因素等。
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