英语释义

1. the anion BH4? of boron and hydrogen that is used especially as a reducing agent and as a source of hydrogen atoms also any of various compounds (as of metals) containing the borohydride anion

片语

potassium borohydride[无化] 硼氢化钾

Borohydride anion硼氢负离子

borohydride reduction硼氢化还原

Metal borohydride[无化]

Rubidium borohydride硼氢化铷

cuprous borohydride三苯基膦

Benzyltriethylammonium borohydride三乙基芐基硼氢化铵

Tetraethylammonium borohydride四乙基硼氢化铵

alkyl borohydride烷基氢化硼

sodium borohydride[无化] 硼氢化钠

MagnesiuM borohydride硼氢化镁

英汉例句

• But so far the rules do not allow the use of borohydride fuel cells, such as the Medis design.

  不过，规则不允许使用像Medis公司设计的那类硼氢化钠燃料电池。

• The low cost, mild nature and high chemoselectivity are some of the distinct features that make sodium borohydride one of the most popular reagents used in industry.

  硼氢化钠作为还原剂选择性好，性质温和，且价格低廉；它在工业上得到广泛的应用。

• Common mixtures include sodium citrates, sodium borohydride (also used to bleach wood pulp) and ammonium compounds, all of which can be toxic to humans and the environment.

  一般的混合物包括柠檬酸钠，硼氢化钠(其也用于漂白木浆)和铵类化合物，所有的这些物质都对人体和环境有着危害。

• The preparation process for L-2-amino propanol (AP) by reduction with potassium borohydride (PB) was improved.

  对硼氢化钾还原法制取l- 2 -氨基丙醇工艺进行了改进。

• The analytical conditions for determination of mercury in rice by atom fluorescence spectrometry are optimized from the concentration of natrium borohydride and acid, linear range and recovery rate.

  通过对硼氢化钠浓度、酸介质浓度、线性范围和回收率的探讨，优化了原子荧光光谱法测定大米中汞含量的测定条件。

• As sodium borohydride releases its hydrogen, it turns back into borax so it can be recycled.

  当固态的硼氢化钠分解出氢气的时候，它又会转化为硼砂，因此硼砂可以被循环利用。

• Zinc borohydride was prepared by the reaction of potassium borohydride and anhydrous zinc chloride.

  其中硼氢化锌由硼氢化钾和无水氯化锌反应制得。

• The results show that poplar APMP pulp treated by sodium borohydride could be brightened and stabilized significantly.

  结果表明：硼氢化钠处理杨木漂白化机浆不但能够显着改善其白度稳定性而且对纸浆具有漂白作用。

• The treatment of raw sorbierite using potassium borohydride can decrease the content level of reducing sugar and raise the product quality.

  使用硼氢化钾处理粗山梨醇，能够降低山梨醇的还原糖含量，提高了产品质量；

• The compounds are obtained by using carvone as an initial raw material through chlorination reaction, condensation reaction, sodium borohydride reduction and Huang Min-lon reduction reaction.

  该类化合物是以香芹酮为起始原料，经过氯代反应，缩合反应、硼氢化钠还原和黄鸣龙还原反应得到的。

• Sodium borohydride and its modified compounds are important reductants capable of reducing a great number of organic functional groups.

  硼氢化钠及修饰的硼氢化钠是一类重要的还原剂，能还原多种有机官能团。

• The effect of potassium borohydride on ester and carboxylic acid reduction was introduced.

  研究了硼氢化钾对酯和羧酸的还原作用。

• Veratryl alcohol was synthesized through the reduction of sodium borohydride from veratraldehyde with isopropanol as solvent, followed by solvent extraction and distillation under reduced pressure.

  以藜芦醛为主要原料、异丙醇为溶剂，经硼氢化钠还原、溶剂萃取、减压精馏得到产物藜芦醇。

• The synthesis of key intermediate of Gliclazide can be improved by using Potassium borohydride instead of Lithium aluminum hydride. The procedure is suitable for industrial production.

  本文对格列其特的中间体氮杂双环盐酸盐的合成工艺进行了改进，使工艺更适合工业化大生产的要求。

• The Synthesis technology and application of sodium borohydride at home and abroad have been described in this paper.

  论述了国内外硼氢化钠的合成工艺及该产品的应用。

• It is resistant to borohydride reduction in alcoholic solvents.

  在醇溶剂中，它不能被硼氢化物还原。

• The hydrogenation of terpineol to dihydroterpineol catalyzed by Raney Nickel modified by potassium borohydride was studied.

  研究了以硼氢化钾修饰的雷尼镍催化剂催化松油醇加氢制备二氢松油醇的反应。

• The toxic hydrogen selenide gas was reduced, while the utilization of sodium borohydride was over a lot when the PEG-400 instead of ethanol.

  相对于乙醇、水等作为介质合成二硒醚，以PEG- 400为介质减少了剧毒气体硒化氢的排放，同时硼氢化钠的利用率有所提高。

• Employ potassium borohydride as reducer, reduce mercuric ion in liquor to Hg vapour, the Hg vapour is carried to atomization device by ar gas, determined by cold-atomic fluorescence.

  用硼氢化钾作还原剂，将溶液中汞离子还原成汞的蒸气原子，用载气导入原子化器中，直接用冷原子荧光光谱法测定水样中痕量汞。

• Polymer-supported borohydride reagents (BER) have been prepared by reaction ofKBH_4 with 717 ~# anion exchange resin.

  用KBH_4与717~#阴离子交换树脂反应制备了聚合物支载的硼氢化试剂（BER）。

• In this paper, some different methods of preparing lithium borohydride were introduced and compared briefly.

  本文简要介绍了硼氢化锂的几种不同制备方法，并对其进行了分析比较。

• The second method:Diferrocenebutyl disulfide was synthesized from 4-chlorobutylferrocene using sulfurated borohydride exchange resin(SBER).

  方法二：用硼氢根阴离子交换树脂、硫粉和4-氯丁基二茂铁合成二二茂铁丁基二硫。