High-performance liquid chromatographic behavior of eleven basic compounds on a new curcumin bonded silica gel stationary phase(CCSP) was studied.
研究了11种碱性化合物在姜黄素键合硅胶固定相(CCSP)上的色谱行为,以ODS为参比,考察了流动相中甲醇含量、pH值对CCSP分离碱性物质的影响及CCSP的亲硅醇基活性,探讨了碱性物质在新固定相上的保留机理。
Provided,some alkali compounds could be added into the anthraquinone working fluid(such as,inorganic alkali compounds:caustic soda solution etc.
向蒽醌氢化工作液体系中加入某些碱性化合物(无机碱如氢氧化钠水溶液等;有机胺类化合物中仲胺如二正辛胺、二正丁胺等,叔胺如三正辛胺、三乙胺等;多相碱性催化剂)能够很好地提高2-乙基氢蒽醌的氧化效率和氧化反应的反应速率,可以提高整个蒽醌法过氧化氢生产中的经济效益。
The Phenol -formaldehyde resin -based high specific area activated carbon (HSSAAC)is prepared with phenol-formaldehyde resins as raw material and alkali compound as activators.
以酚醛树脂为原料,碱性化合物为活化剂制取酚醛树脂基高比表面积活性炭,初步考察了活化剂与酚醛树脂的质量比、活化温度、固化温度等工艺参数对活性炭的碘吸附性能和在有机电解液中的比电容的影响。
Matrix metalloproteinases and alkali burn;
基质金属蛋白酶与眼碱性化学伤
Objective:To investigate the effect of allograft limbal stem cells transplantation for acute alkali burns.
目的:观察异体角膜干细胞移植治疗眼部早期碱性化学伤临床疗效。