河底保護 的英文怎麼說

中文拼音 [hédebǎohù]
河底保護 英文
river bottom protection
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 底 : 底助詞（用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」）
  • 保 : Ⅰ動詞1 （保衛; 保護） defend; protect 2 （保持） keep; preserve; maintain in good condition 3 （...
  • 護 : 動詞1. （保護; 保衛） protect; guard; shield 2. （袒護;包庇） be partial to; shield from censure
  1. 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。
  2. Power cable route protection zone : the areas between two parallel lines formed by 0. 75 meters on both sides of the ground mark of underground cable route ; for sea - bottom cables, the zones should be the water surface between the two parallel lines formed by two nautical miles on both sides of the line ( 100 on both sides of the line in port ) and no less than 100 meters on both sides of the line in rivers ( not less than 50 meters for mid - sized and small rivers )

    （二）電力電纜線路保護區：地下電纜為線路兩側各零點七五米所形成的兩平行線內的區域；海底電纜一般為線路兩側各二海里（港內為兩側各一百米） ，江河電纜一般不小干線路兩側各一百米（中、小河流一般不小於各五十米）所形成的兩平行線內的水域。
  3. The research on yellow river xiao langdi reservoir area ecotourism conservation exploitation

    黃河小浪底庫區生態旅遊保護性開發研究
分享友人
分享到 Line

分享到臉書