汞濃度 的英文怎麼說
中文拼音 [gǒngnóngdù]
汞濃度
英文
mercury concentration-
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。Exploring the possible mechanisms is an important content of bioinorganic chemistry and ecotoxicology, which has signality in modifying contamination effect to animals. this thesis studies on the chemical speciation of mercury and selenium in dolphin livers, sub - chronic toxic effect of wistar rats of sodium selenite and mercuric chloride and investigates the antagonism mechanism from there aspects : 1. redistribution of mercury in the presence of selenium, 2
本文以海豚肝臟為對象,研究其積累的高濃度汞硒化合物的化學形態和結構,並結合動物實驗的研究,從汞硒相互作用的總體生物學表現,汞硒在動物體內分佈變化和結合形態的變化以及汞硒化合物的結構等方面探討兩元素毒性拮抗作用機理。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The effects of exposure to low levels mercury in the air on human renal function
低濃度空氣汞污染對人群腎功能的影響Past studies may have found a link because the women involved ate whale meat, which has five times the mercury concentrations of the more common ocean fish consumed in the seychelles
過去的研究認為已在兩者間找到關聯,是因為以前的研究對象包含了食用鯨魚肉的婦女,而鯨魚肉所含的的汞濃度比塞席爾人日常吃的普通海洋魚類要高上五倍之多。The crabs were dissected respectively after one week of treatment, and the ovaries were kept in 70 % ethanol with 50mmol / l edta
一定濃度范圍內的汞處理雌蟹,譜帶差異與其它濃度處理組同正常織相比較大。Among them, mercury was accumulated strongly in the gill, followed by the heart, hepatopancreas and gonad. the bioaccumulation of hg2 + in s. yangtsekiense had the concentration - effect relationship, that was to say, the more the concentration increased, the more the bioaccumulation increased. at the high mercury concentration, there was more obvious the time - effect relationship being observed
結果表明:汞在蟹體內的積累具有一定的選擇性,其總的生物積累量由高到低的順序為鰓心臟肝胰腺性腺,並且積累量有著一定的濃度?效應關系;在高濃度汞處理下,其積累量還具有一定的時間?效應關系。Air quality - stationary source emissions - manual method of determination of the concentration of total mercury
空氣質量.固定源排放.所有汞濃度測定的人工方法The effect on the growth and neurobehavioral development in mice offspring by maternal exposure to low level methylmercury in drinking water
飲水中低濃度甲基汞對小鼠仔代生長發育及神經行為的影響Among the joint dose experiments, the antagonism of selenium and mercury is the most evident in the rats with 2 : 1 mol - ratio of selenium and mercury but the least in the rats with 1 : 2 mol - ratio of selenium and mercury. the results also showed that there are two essential conditions for good antagonistic effect of selenium and mercury and 1 : 1 mol - ratio relationship of selenium and mercury in the most organs ( liver, gland, spleen, stomach and lungs ). one is that the content of mercury is more than 100nmol / g, and another is the 2 : 1 dose ratio of selenium and mercury
總體而言,雌性大鼠對硒、汞毒性的拮抗作用與雄性大鼠相比時更為敏感;相同性別的大鼠體內,聯合高劑量時硒、汞的拮抗作用最明顯,聯合中劑量時,拮抗效果相對不明顯,而聯合低劑量時,拮抗效果最差;聯合摩爾劑量比為2 : 1 ( se : hg )和汞的積累濃度大於100nmol g ,是大鼠體內大部分組織器官(肝臟、胸腺、脾、胃、肺)中四川大學碩士學位論文硒、汞等摩爾比積累的兩個必要條件,同時也是硒、汞的相互作用產生最佳桔抗效果的兩個重要前提。The concentrations of mercury and selenium in ten dolphin livers were determined. mercury and selenium exist in the livers as abnomal high concentrations at approximate 1 : 1 molar ratio of mercury to selenium
10個肝臟樣品汞硒含量測定結果表明,海豚肝臟中同時積累了高濃度的汞和硒( r = 0 . 87 ) 。分享友人