以下为句子列表:
英文: This study reports that Sm(OCHR) (%)/RCHOH/A molecular sieves (R = CH , CH CH)are efficient catalysts for the chemoselective Meerwein - Fonndorf- Verley (MPV) type reduction of aldehydes in presence of ketonic carbonyl groups.
中文: 本文报道一种选择性Meerwein-Ponndorf-Verley(MPV)型还原体系. 在Sm(OCH_R)_ (%)/RCH_OH/A molecular sieves(MS A)(R=CH_ ,CH_ CH_)催化下,该体系对醛、酮碳基具有优良的选择性还原能力,能够选择性的还原醛羰基,而对酮羰基的还原呈惰性.
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英文: Various series of specific molecular sieves have strong ability of selective absorption, high strength, and thermal stability Which have been proved successful when used in chemical, petrochemical and natural gas processes.
中文: 我公司生产的各种专用分子筛,具有强度高、热稳定性好,选择吸附性强的优点,广泛应用于化工、石化、天然气等行业,得到用户的满意。
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英文: Various series of specific molecular sieves have strong ablility of selective absorption,high strength,and thermal stability which have been proved successful when used in chemical,petrochemical and natural gas processes.
中文: 我公司生产的各种专用分子筛具有强度高,热稳定性好,选择吸附性强的特点,广泛应用于化工、石化、天然气等行业、得到用户的满意。
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英文: Study on preparation of free-standing mesoporous silica molecular sieves membrane
中文: 非担载的介孔氧化硅分子筛膜的制备研究
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英文: This paper reviews the recent developments in the application of mesoporous molecular sieves in the fields of catalysis, biology fixation, adsorption, separation, preparation of nanomaterials and environmental protection, especially the desulfurization of
中文: 摘要综述了近几年介孔分子筛在催化反应、生物固定吸附和分离、纳米材料制备及环保等方面应用研究的进展,并对其在环保方面,尤其是汽油脱硫的应用前景做了展望。
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