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红参须根中多肽的新组分 被引量:1
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作者 焦连庆 于敏 +1 位作者 魏俊杰 徐景达 《特产研究》 1999年第4期53-54,共2页
采用超滤、大孔树脂、SephadexG -25柱层析、DEAE -Cellulose分步抽提和反相高效液相色谱分离 ,从红参须根中分得3种红参须根多肽(RGHP) ,分别是RGHP -ⅡB1(48肽)RGHP -ⅡB3(29肽) ,RGHP -ⅡB4(30肽)。
关键词 红参须根多肽 rghp RPHLC
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Research on Preparation and Propulsive Applications of Highly Concentrated Hydrogen Peroxide 被引量:1
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作者 Grzegorz Rarata Wojciech Florczuk Jaromir Smetek 《Journal of Aerospace Science and Technology》 2016年第1期42-47,共6页
Highly concentrated hydrogen peroxide has been widely used as a rocket mono-propellant and oxidiser since 1940's. Although the relevant specialist literature concerning HTP is relatively extensive, one can still find... Highly concentrated hydrogen peroxide has been widely used as a rocket mono-propellant and oxidiser since 1940's. Although the relevant specialist literature concerning HTP is relatively extensive, one can still find many myths about highly concentrated hydrogen peroxide, especially concerning safety aspects about its preparation by different techniques, handling or further utilisation. Such ambiguities can result in rather apprehensive approach towards preparing, utilising or even handling of HTP in relevant industry or research fields. The paper contains modern approach to laboratory preparation of highly concentrated solutions of hydrogen peroxide of HTP class (concentration 98%+) that is intended for propulsive (rocket) applications. Authors, who have gained extensive experience in the field of HTP preparation, handling and utilisation, concisely explain facts and disprove some common myths concerning HTP. Additionally, advantages and possible application of 98%+ solutions of HTP in various propulsive systems such as small satellites are described. The attention is also paid to the possibility of replacing currently used toxic and corrosive rocket propellants, such as hydrazine and its derivatives, RFNA (red fuming nitric acid), MON (mixed oxides of nitrogen) or NTO (dinitrogen tetroxide), by 98%+ HTP. The potential of the medium as green and easy to handle propellant that can act both, as monopropellant or strong liquid oxidiser with hypergolic capability, is outlined briefly as well. 展开更多
关键词 HTP Hydrogen Peroxide rghp oxidiser green propellant rocket propulsion
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