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- hydroxymethyl iuriural 羟甲基糠醛
- Hydroxymethyl furfural (5-HMF) is an index compound for beer staling. 由于5-羟甲基糠醛对啤酒老化所具有的指示作用。
- The results show that the concentration of 5 (hydroxymethyl) 2 furfural is the highest among them. 结果表明,枣子酊挥发性成分中含量最高的是5羟甲基糠醛。
- There were three methods which used acrylonitrile, acrylamide, N - hydroxymethyl acrylamide as raw material seperately. 概述了亚甲基双丙烯酰胺在石油工业、造纸工业、电子工业、化学工业、医疗工业等领域的应用。
- Boracic modified penolic resin with boracic acid and hydroxymethyl phenol was manufactured after hydroxymethyl phenol was created with in a special way. 摘要通过在一定条件下，先将苯酚、甲醛制成羟甲基酚，然后改变条件与硼酸共聚，制得具有合成稳定和较好耐热性的硼改性酚醛共聚树脂。
- OBJECTIVE:RP HPLC method for the determination of content of 5 hydroxymethyl furfuraldehyde(5 HMF) in mitoxantrone dextrose injections is reported. 目的 :采用HPLC测定盐酸米托蒽醌葡萄糖注射液中 5 羟甲基糠醛的含量。
- With respect to the oxidation of 2, 2-di(hydroxymethyl) octanal, the optimal reaction time and temperature have been investigated. 研究了氢氧化钠用量对羟醛缩合反应的影响，探讨了反应时间和反应温度对氧化反应的影响。
- CHN was chemically modified by etherifying the hydroxymethyl to introduce dodecanyl groups and using benzaldehyde to protect NH_2 groups . 对CHN进行化学改性研究，通过醚化反应在CHN分子中的C-6位置引入疏水性十二烷基，并通过西佛碱反应以苯甲醛保护氨基。
- On heating, condensation reaction of the hydroxymethyl groups in the complexes takes place and forms methylenes or carbonyl groups. 固化过程中有小分子放出使配合物快速失重;
- Changsheng Liu, Qi Wang. SolidPhase Grafting of Hydroxymethyl Acrylamide onto Polypropylene through Pan Milling[J]. J Appl Polym Sci, 2000, 78:2191. 刘长生;王琪.;磨盘碾磨聚丙烯粒度分布与接枝率研究[J]
- S and CONCLUSION:The injection containing tris(hydroxymethyl) aminomethane(Tris,1.2mg/ml) and EDTA disodium calcium complex(EDTANa 2Ca,0.1mg/ml) is the stablest. 与结论 :同时含三羟甲基氨基甲烷 (Tris ;1 .;2mg/ml)、乙二胺四乙酸二钠钙 (EDTA Na2 Ca;0
- The results show that the hydroxymethyl content of resinous crosslinking agent and HCl content of neoprene activator will considerably effect on cured IIR compound performance. 试验结果表明:树脂交联剂的羟甲基含量和氯丁胶中的盐酸含量对丁基硫化胶质量有很大的影响。
- However, the hydrolysis reaction will take place when there is acetonitrile existing in the water and the reaction product will be 4,4’-bis(hydroxymethyl)biphenyl. 二(氯甲基)联苯的纯度高,水解反应的产率及4,4’-二(羟甲基)联苯的纯度也高。
- The yield of 9- fluorenylmethanol is 36.7%, at the same time, the 9,9- bis (hydroxymethyl) fluorene is gotten withhigh purity.The fluorene unreacted can be used again. 芴甲醇产率为36.;7%25;同时可获得高纯度的副产物9;9-二羟甲基芴;未反应的芴可循环利用。
- Methods:Chloroform being solvent,under bath heat,4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly. 方法:用氯仿作溶剂,在浴温条件下,4羟甲基笼状双环磷酸酯分别与戊酰氯、己酰氯发生酰化反应。
- Hydrogen contaning poly(methy siloxane)/poly(butyl) acrylate hydroxymethyl acrylamide) composite latexes were syuthesized by using composite emulsion polymerization technology. 合成了含氢聚甲基硅氧烷／聚（丙烯酸丁酯-羟甲基丙烯酰胺）复合聚合物乳液。
- The structure of the finial product, 2, 2-di(hydroxymethyl) octanoic acid, has been characterized by 13C and 1H nuclear magnetic resonance (NMR) spectroscopy. 用13C和1H核磁共振谱表征了2，2-二羟甲基辛酸的结构。
- The results show that the bond strength increases first, then decreases with increasing the MMT, which is in accordance with the change of content of the hydroxymethyl. 结果表明,随着MMT用量增加,粘结强度先增大,后减小,与树脂中羟甲基含量的变化趋势是一致的;
- Hydroxymethyl furfural is the principle quality control index in glucose injections. The source, influence factors, different test methods and limits are discussed. 讨论了葡萄糖注射剂中的主要质控指标5-羟甲基糠醛的产生因素、检测方法及限度。
- At the same time, three kinds of derivatives, i.e. 4,4'-biphenyldicarboxaldehyde, 4,4'-bis (hydroxymethyl) biphenyl and 4,4'-bis (chloromethyl) biphenyl were prepared from it. 继而以它为原料方便地合成了3种4,4'-二取代联苯衍生物：4,4'-联苯二甲醛、4,4'-二（羟甲基）联苯和4,4'-二（氯甲基）联苯。
