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- propionaldehyde semicarbazone [化] 丙醛缩氨基脲; 亚丙基氨基脲
- You will also characterize the semicarbazone by melting point determination. 你也要通过测定熔点以鑑定缩胺基脲。
- Dry the semicarbazone in your desk until the next laboratory session. 在你的书桌上，将缩胺基脲干燥直至下一次实验课为止。
- A new path for the preparation of leaf alcohol with 3-chloropropanol, triphenylphosphine and propionaldehyde through Wittig reaction was studied. 本文研究了以3-氯丙醇，三苯基膦和丙醛为原料利用威蒂希反应合成叶醇的新路线。
- You will convert the carvone to its semicarbazone for use in a polarimetric analysis. 为了作旋光度分析，你将会把香芹酮转变为缩胺基脲。
- Propionic acid was prepared with propionaldehyde as material, cobalt acetate as catalyst, calgon as cocataly, by propionaldehyde oxidation. 以丙醛为原料,乙酸钴为催化剂,六偏磷酸钠为助催化剂,将丙醛氧化可制备丙酸。
- Purity, content of propionaldehyde and colourity in PDO are main factors to yellowish and intrinsic viscosity of PTT resin. 1,3-PDO的纯度、丙醛含量和加热色度对PTT质量影响较大。
- Take the melting point of the dry solid semicarbazone derivative and record the yield.If it is necessary to recrystallize the semicarbazone derivative, you may do so from an ethanol/water mixture. 测定干燥的缩胺基脲衍生物的熔点，并记录其产量，如果有需要将缩胺基脲衍生物进行再结晶的话，你可以用乙醇/水的混合物来进行。
- furyl propionaldehyde dimethyl acetal 呋喃丙醛二甲缩醛
- One-pot Synthesis of Benzaldehyde Semicarbazone 一锅法合成苯甲醛缩氨基脲
- nitrofuraldehyde p-arsonophenyl semicarbazone 硝基糠醛对胂羧基苯缩氨基脲
- phenyl semicarbazone acetaldehyde 乙醛缩苯氨基脲
- methyl isopropyl ketone semicarbazone [化] 甲基·异丙基甲酮缩氨基脲
- Preparation of propionic acid by propionaldehyde oxidation 丙醛氧化制丙酸
- Keywords propionaldehyde;complex catalyst;oxidation;propionic acid; 丙醛;络合催化剂;氧化;丙酸;
- Keywords FCC dry gas;propionaldehyde;production;market; 催化裂化干气;丙醛;生产;市场;
- Keywords propylene oxide;isomerization;propionaldehyde;catalyst; 环氧丙烷;异构化;丙醛;催化剂研究;
- Keywords acetone semicarbazone;hydrazine hydrate;urea;acetone; 丙酮缩氨基脲;水合肼;尿素;丙酮;
- Research on Synthesis of Calix [4] Resorcinarenes Derivative of Propionaldehyde 丙醛杯[4]芳烃母体烷基化衍生物的合成研究
- Keywords 3-hydroxy propionaldehyde;acrolein;separation;simulation;optimization; 羟基丙醛;丙烯醛;分离;模拟;优化;
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海词词典，十七年品牌
