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。
But inorganic selenite is just as nutritionally effective as selenium in organic form.
但無機的亞
硒酸鹽卻是以有機形式的
硒起著營養作用。
Synthesis and characterization of heteropoly tungstophosphateselenium complexes with lanthanide
鑭系元素
硒磷鎢雜多
酸鹽的合成及表徵
Whole grains are believed to be nutritionally superior to refined grains, richer in dietary fibre, antioxidants, protein ( and in particular the amino acid lysine ), dietary minerals ( including magnesium, manganese, phosphorus, and selenium ), and vitamins ( including niacin, vitamin b6, and vitamin e )
粗糧富含可食用纖維、抗氧化劑、蛋白質(尤其是氨基
酸和賴氨
酸) 、礦物質(鎂、錳、磷和
硒) ,以及維生素(煙
酸、維生素b6和維生素e ) 。
Polysaccharides are main energy sources of human body and possess some important physiological functions. in this paper, polysaccharides were used as the soft templates in synthesizing selenium nanoparticles which were produced with the reduction of selenious acid by ascorbic acid. the effect factors of synthetic reaction were studied and selenium nanoparticles obtained were characterized
本文以幾種生物多糖為軟模板,採用抗壞血
酸還原亞
硒酸的方法合成納米
硒,研究了制備反應的影響因素,得到了多種形貌的納米
硒,並採用光譜法、透射電鏡、掃描電鏡、 x射線衍射等方法對產物進行了表徵。
Feed grade sodium selenite
飼料級.亞
硒酸鈉
Sodium hydrogen selenite
亞
硒酸氫鈉
Sodium selenite sol
亞
硒酸鈉
The reversion against malignant phenotype induced by ascorbic acid and sodium selenite in human hepatoma cells in culture
抗壞血
酸和亞
硒酸鈉對肝癌細胞逆轉的研究
High quality cube - like mnse2 and sphere - like ( - mnse micro - crystals have been obtained in aqueous solution at low temperatures ( 100 ( c ~ 180 ( c ). by using tellurite as reactant, uniform cote and nite nanocluster wires were successfully synthesized through a co - reduction process
用亞碲
酸鹽代替亞
硒酸鹽,上述方法被成功應用到金屬碲化物的動力學調控合成中,通過共還原反應機理,利用新生的元素co 、 ni與活性碲,於水溶液中合成了cote和nite的一維納米線。
Chrysanthemum, garlic, dried tangerine, and balloonflower that contain various minute amounts of elements and vitamins such as copper, iron, zinc, manganese, iodine and selenium etc
維生素a維生素e維生素k3維生素b1維生素b2硫
酸銅硫
酸亞鐵硫
酸鋅硫
酸錳碘化鉀亞
硒酸鈉食品香味料松針粉草粉沸石粉。
Chrysanthemum, garlic, dried ginger, balloonflower that contain various minute amounts of elements and vitamins such as copper, iron, zinc, manganese, iodine and selenium etc
維生素a維生素d3維生素e維生素k3維生素b1維生素b6維生素b12葉
酸泛
酸鈣硫
酸銅硫
酸亞鐵硫
酸鋅硫
酸錳碘化鉀亞
硒酸鈉食品香味料麥芽粉松針粉草粉綠豆粉沸石粉。
Effect of selenium exposure on the immunological function in mice
亞
硒酸鈉染毒對小鼠免疫功能的影響
Synthesis and characterization of novel schiff - base ligands and their transition metal complexes
過渡金屬
硒酸鹽氨基
酸配合物的合成
The effect of different selenium concentration of na2seo3 on the growth and the yield of mycelia and fruitbodies was studied
摘要研究了不同濃度的亞
硒酸鈉對蛹蟲草菌絲體、子實體發育和產量的影響。
Dried ginger, dried malt, clove that contain various minute amounts of elements and vitamins such as copper, iron, zinc, manganese, iodine and selenium etc
維生素a維生素d3維生素e維生素b1維生素b6硫
酸銅硫
酸亞鐵硫
酸鋅硫
酸錳碘化鉀亞
硒酸鈉食品香味料麥芽粉草粉綠豆粉沸石粉。
Dried malt, mung bean, dried ginger, cinnamon that contain various minute amounts of elements and vitamins such as copper, iron, zinc, manganese, iodine and selenium etc
維生素a維生素k3維生素b1維生素b6泛
酸鈣硫
酸銅硫
酸亞鐵硫
酸鋅硫
酸錳碘化鉀亞
硒酸鈉食品香味料麥芽粉草粉綠豆粉沸石粉。
The main point can be summarized as follows : a low - temperature elemental - direct - reaction route to nanocrystalline cdse and znse, and further more, by using the newly produced se with high reactivity as reactant, a controllable synthetic route named " selenite reduction hydrothermal method " have been developed
在合成新途徑的探索方面,從發現了水熱元素直接反應法,發展到亞
硒酸鹽水熱還原法,提出了化學調控合成的新概念,為液相中金屬
硒碲化合物的合成提供了可能的動力學調控手段和方法。
Mung bean, garlic, chrysanthemum, dried ginger that contain various minute amounts of elements and vitamins such as copper, iron, zinc, manganese and selenium etc
維生素a維生素d3維生素e維生素k3維生素b1維生素b2維生素b6維生素b12煙酸泛酸鈣葉酸硫酸銅硫酸亞鐵硫酸鋅硫酸錳碘化鉀亞硒酸鈉食品香味料麥芽粉草粉綠豆粉沸石粉。