氫硼化物 的英文怎麼說
中文拼音 [qīngpénghuàwù]
氫硼化物
英文
borohydride-
It is resistant to borohydride reduction in alcoholic solvents.
在醇溶劑中,它不能被硼氫化物還原。Borohydride which supported by strongly basic ion exchange resin reduced phseseph giving polymer - supported phenylselenide anion. it reacted with, - unsaturated aldehyde or epoxide to produce corresponding selenide. respective conditions were studied also
強堿型離子交換樹脂支載的四氫化硼與二苯聯硒反應,得到載體化的苯硒陰離子試劑,它與, -不飽和醛及環氧化物反應,生成相應的硒醚.對各自的反應條件也進行了探討In recent years researchers have achieved better performance with compounds such as lithium borohydride, in which the metal atoms form weaker, ionic bonds with groups containing several hydrogen atoms
近年來,研究人員已經製作出效能更佳的復合物,例如硼氫化鋰,在這種金屬氫化物中,金屬原子與氫原子團(由數個氫原子組成)之間,是以較弱的離子鍵鍵結。In 2005, 61 physical and chemical parameters were measured and analysed in sediments. these included particle size, electrochemical potential as highly anoxic sediment with negative potential is related to organic pollution, chemical oxygen demand which indicates organic pollutants, total sulphide inorganic constituents, source of the unpleasant - smelling gas hydrogen sulphide, 15 metals and metalloids aluminium, arsenic, barium, boron, cadmium, chromium, copper, iron, lead, manganese, mercury, nickel, silver, vanadium and zinc, and trace toxic organics pahs and pcbs - 16 compounds and 18 congeners respectively
2005年,沉積物監測包括分析61種物理及化學參數,其中有粒子大小電化學勢有機污染促使沉積物缺氧,而讓電化學勢呈負數值化學需氧量顯示有機污染程度總硫化物無機物,是造成難聞氣體硫化氫的主因15種金屬及準金屬鋁砷鋇硼鎘鉻銅鐵鉛錳汞鎳銀釩及鋅和痕量毒性有機物多環芳烴及多氯聯苯分別為16種復合物及18種同質物。Sodium metaborate is a by - product from deoxidation of sodium borohydride
摘要偏硼酸鈉是硼氫化鈉的還原副產物。The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47. 8 %
用異丙胺對產物進行萃取提純,制得了純度較高、收率為47 . 8 %的硼氫化鈉產品。The borohydride reducing reagent supported by the strong acid cation exchange resin was prepared by the strong acid cation exchange resin reacting with sodium borohydride. the reductive ability of the resin reducing the carbonyl compounds is strong, so the yields are generally pretty high ( 51 % ?
用強酸型離子交換樹脂與硼氫化鈉作用制備了強酸型離子交換樹脂支載的硼氫化還原劑.探討了在不同溶劑中制備的還原樹脂的還原能力;應用於還原羰基化合物時有良好的產率( 51 % ?分享友人