硼氫化的 的英文怎麼說

中文拼音 [péngqīnghuàde]
硼氫化的 英文
hydroborated
  • : 名詞[化學] (非金屬元素) boron (b)
  • : 名詞[化學] (氣體元素) hydrogen (h)
  • : 4次方是 The fourth power of 2 is direction
  1. 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與二苯聯硒反應,得到載體苯硒陰離子試劑,它與, -不飽和醛及環氧物反應,生成相應硒醚.對各自反應條件也進行了探討
  2. Mgb2 can be cooled by liquid hydrogen or liquid neon or by fairly cheap, closed - cycle refrigerators that can readily reach below 20 k

    鎂可以藉由液態、液態氖或是相當便宜封閉循環式冷凍機,輕易降溫至20k以下。
  3. Using magnesium hydride as a destabilizer for lithium borohydride, for instance, lowers the release temperature from 400 to 275 degrees c

    舉例來說,以鎂當做去穩定劑,可以將釋放氣體所需溫度從400降到275 。
  4. 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復合物,例如鋰,在這種金屬物中,金屬原子與原子團(由數個原子組成)之間,是以較弱離子鍵鍵結。
  5. 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種物理及學參數,其中有粒子大小電學勢有機污染促使沉積物缺氧,而讓電學勢呈負數值學需氧量顯示有機污染程度總硫物無機物,是造成難聞氣體硫主因15種金屬及準金屬鋁砷鋇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。
  6. Surface modified au nanoparticles have been synthesized based on the reduction of hydrogen tetrachloroaurate ( haucl4 ) by sodium borohydride ( nabh ^ in methanol

    通過鈉nabh _ 4還原金氯四haucl _ 4 ,成功地製作了羧酸酯表面修飾金納米粒子。
  7. The mo catalyst and the co catalyst prepared by impregnation reduction did not have zero - valent metals, the catalysts were not able to resist corrosion

    納( nabh4 )為還原劑浸漬還原法制備mo 、 co催劑並不能得到單質金屬,而且抗腐蝕性能不好。
  8. Sodium metaborate is a by - product from deoxidation of sodium borohydride

    摘要偏酸鈉是還原副產物。
  9. Water quality - determination of trace amounts of arsenic - spectrophotometric method with silver salt

    水質痕量砷測定鉀-硝酸銀分光光度法
  10. Soil quality - determination of total arsenic - spectrophotometric method with potassium borohyride and silver nitrate

    土壤質量總砷測定鉀-硝酸銀分光光度法
  11. The determination of micro arsenic by reduced molyboloarsenate speclrophotometry after seperation by sodium borohydride

    鈉還原鉬藍吸光光度法測定微量砷研究
  12. If the nabh4 addition amount was more, a double peak absorbance signal was obtained and the peak high was redaced

    鈉加入量較大時,所得信號存在雙峰,而且其峰高降低了很多。
  13. The asymmetric reduction mechanism of p - methylcyclohexanone by sodium borohydride was investigated with ab initio calculations

    用從頭計算方法對鈉不對稱還原對甲基環己酮機理進行了研究。
  14. 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 %鈉產品。
  15. Reaction mechanism of hydroboration

    反應機理研究
  16. 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鈉作用制備了強酸型離子交換樹脂支載還原劑.探討了在不同溶劑中制備還原樹脂還原能力;應用於還原羰基合物時有良好產率( 51 % ?
  17. Plasma enhanced chemical vapour technique ( hf - pecvd ) on monocrystalline silicon and quartz glass substrates under the low temperature. the effects of ultrasonic pre - treating of substrates, temperature, r. f

    系統地研究了襯底超聲預處理工藝、沉積溫度、射頻功率以及氣對氮薄膜生長、組成及表面形貌結構影響。
  18. The progress in synthesis of chiral phosphinamine ligands is reviewed. their applications in asymmetric allylic substitution, asymmetric 1, 4 - conjugate addition and asymmetric hydroboration are described

    本文較為詳細地綜述了軸向手性膦氮配體合成及其在不對稱烯丙基取代反應、不對稱1 , 4 -共軛加成反應及不對稱反應中應用。
  19. In order to prepare high quality films, appropriate temperature and r. f. power should be selected, and moreover, the content of the hydrogen need be controlled

    因此制備薄膜與襯底結合良好、較高質量薄膜,應在適當沉積溫度( 420 )和射頻功率( 160w )下並適當控制反應氣體中含量。
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