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- In this paper, the preparation of hydroxy ethyl chitosan sulfate was studied. 研究了磺化羟乙基壳聚糖的制备方法。
- 1.5 bis (2 hydroxy 5 sulfophenyl)-3-cyanoformazan 1,5-二（2-羟基-5-磺酸基苯）-3-氰基甲膳
- The pr oducer of fatty tentiary amine needs a convinient method for the analysis of tri m ethyl amine. 叔胺生产厂家需要一种简便，快速的分析二甲胺中三甲胺含量的手段。
- Abstract: A new technology to produce hydroxy ethyl ethylene diamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed. 本文介绍了一种用环氧乙烷生产羟已基乙二胺的新技术,列举了羟乙基乙二胺的性能及应用范围。
- Under the acid free condition, 3 acetyl 2 hydroxy 6 methyl pyran 4 one (8) was obtained and its structure was confirmed by X ray diffraction analysis. 在没有酸催化的条件下,反应生成3乙酰基2羟基6甲基-吡喃4酮(8),并通过单晶X射线衍射分析确定了产物的结构;
- In this paper, the viscosity changes of hydroxy ethyl cellulose sol caused by a kind of mixed salt were studied, which provided valuable basic data and an adapting equation for its practical application. 摘要研究了一种混合盐的存在使羟乙基纤维素溶胶粘度变化的情况，为其实际应用提供了有价值的基础数据和拟合公式。
- methyl dimethoxy methyl phenyl ethyl amine 甲基二甲氧基甲基苯基乙基胺
- hydroxy ethyl chitosan sulfonated ester 羟乙基壳聚糖硫酸酯
- Keywords methoxyphenyl） piperazine hydrohaloride;bis（2 haloethyl）amine hydrohaloride;synthesis;preparation; 1（2甲氧基苯基）哌嗪氢卤酸盐;双（2卤乙基）胺氢卤酸盐;合成;制备;
- Synthesis of S (-) N [(1 ethyl 2 pyrrolidinyl) methyl] 2 hydroxy 3 iodo 6 methoxybenzamide 胡名扬,梁高林, 乙基-2-吡咯烷基)甲基]-2-羟基-3-碘-6-甲氧基苯甲酰胺的合成
- bis 2,6-dimethyl-4-heptyl phosphoric acid 双磷酸
- Keywords ethyl cyanoacetate;\ ethyl acetoacetate;\ ethyl amine;\ N ethyl 3 cyano 4 methyl 6 hydroxypyridin 2 one;\ derivatives; 氰乙酸乙酯;乙酰乙酸乙酯;乙胺;N-乙基-3-氰基-4-甲基-6-羟基吡啶-2-酮;衍生物;
- any of a class of alcohols having 2 hydroxy groups in each molecule 每个分子中含两个羟基的一类醇
- Keywords imidazoline amphoteric surfactants N hydroxy ethyl ethylene diamine; 咪唑啉;两性表面活性剂;羟乙基乙二胺;
- Keywords Bis（2;4-dihydroxyacetophenone）hydrazine;Copper;Spectrofluorimetry; 双-（2;4-二羟基苯乙酮）缩肼;铜;荧光分析;
- Keywords Bis（2;4 pentanedionato）Cobalt;cyclohexene;allylic oxidation; 乙酰丙酮;环己烯;烯丙位氧化;
- Keywords Bis（2 methyl 3 furyl）disulfide;Chicken meat flavor;GC MS; 二（2-甲基-3-呋喃基）二硫醚;鸡肉味香精;色谱-质谱;
- Polyaniline/Poly(butyl acrylate styrene hydroxy ethyl acrylate) Conductive Complex 聚苯胺/聚(丙烯酸丁酯?苯乙烯?丙烯酸羟乙酯)导电复合物
- Will 2,000 dozens be enough for selling? 两千打够卖吗？
- Keywords styrene/acrylic emulsion;super microemulsion;ammoniation;hydroxy ethyl methacrylate; 苯丙乳液;超微胶乳;氨化;甲基丙烯酸羟乙酯;乳化剂;
