氧化系底物 的英文怎麼說
中文拼音 [yǎnghuàxìdewù]
氧化系底物
英文
oxidogenic substrate-
A kind of stainless steel flux - cored wire has been successfully developed, based on acid slag type system, by adding a bit of oxides and trace of deoxidizer, adjusting the fluidity of melting slag to increase shielding of the back weld
在酸性渣系的基礎上，通過添加少量氧化物，調整熔渣的流動性，並加入微量的強脫氧劑，以增強背面焊縫的保護，研製成功一種背面不充氬的不銹鋼打底單面焊雙面成形專用藥芯焊絲。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. hrp neuronal tracing technique : to investigate neuronal projective pathway between pvn and bma, retrograde tracing technique ( hrp ) was used in 8 rats
2 ，形態學實驗方法:應用辣根過氧化物酶（ hrp ）神經纖維逆行追蹤法，在8隻大鼠中觀察大鼠下丘腦室旁核（ pvn ）與杏仁基底內側核（ bma ）間的纖維聯系。
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