利用凝胶色谱、红外光谱、紫外光谱研究了乙醇胺循环法对高纯木素分离的影响。
The effects of ethanolamine circulation on separating highly pure lignin were studied by GPC, IR spectrum and UV spectrum.
采用化学改性法，选择多官能团酚醛环氧树脂(F—51)与二乙醇胺进行定量加成反应，合成了一种在分子结构上既具有环氧基团，又具有亲水性基团的改性树脂。
According to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (F-51) and diethanolamine.
乙醇胺主要由氨水法与液氨法两种制备方法合成，它们分属于典型的均相催化与多相催化。
The preparation of ethanolamine is mainly composed of aqueous ammonia and liquid ammonia methods, which belong to typical homogeneous catalysis and heterogeneous catalysis respectively.
采用模板剂导向自组装法以三乙醇胺为模板剂合成具有蚯蚓状孔道结构的二氧化钛介孔分子筛。
The mesoporous titanium dioxide was synthesized by using triethanolamine as a template with worm-like mesostructure via self-assembly route.
利用溶胶凝胶法添加适量三乙醇胺和三乙胺制备出锐钛矿纳米二氧化钛催化剂。
TiO_2 nanoparticles in anatase form were prepared by a sol-gel method with adding triethylamine and Triethanolamine.
建立了高效液相色谱法(HPLC)测定水稻和稻田中杀螺胺乙醇胺盐残留量的分析方法。
A high performance liquid chromatography (HPLC) method was established for the analysis of niclosamide ethanolamine residue in rice and paddy system.
建立了高效液相色谱法(HPLC)测定水稻和稻田中杀螺胺乙醇胺盐残留量的分析方法。
A high performance liquid chromatography (HPLC) method was established for the analysis of niclosamide ethanolamine residue in rice and paddy system.
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