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- hydroxymethylated ligin 羟甲基化木质素
- 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。
- Different methods for determination of cellulose, hemi-cellulose and ligin in rice hull were introduced. 阐述了几种不同的测定稻壳中纤维素、半纤维素和木质素含量的方法。
- The objective of chemical pulping is to degrade and dissolve ligin and leave behind most of the cellulose and hemicellulose in the form of fibers. 化学制浆的主要目的是降解和溶解木素，留下大部分的以纤维形式存在的纤维素和半纤维素。
- The mass lose of the cellulose, xylan and ligin are about 86%, 69% and 51% respectively in the experimental temperature range. 在所考察的温区内，纤维素的失重量约为86%25，木聚糖失重量为69%25左右，而木质素的失重量仅为51%25；
- 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]
- Anionic surfactants which include petroleum sulfonates, alkylbenzene sulfomates, petroleum carboxylates and ligin sulfonates, in which sulfonate surfactant is the most well known type are widely used in EOR. 阴离子型表面活性剂在三次采油中应用最为普遍，它们主要包括石油磺酸盐、烷基苯磺酸盐、石油羧酸盐、木质素磺酸盐等，而其中以磺酸盐型最多。
- LINDENFEISER F. Biological Modification of the Ligin and Cellulose Components of Wheat Straw Bypleurotus Ostreatus [ J ]. Deveopment in Industrial Microbiologic, 1979, (2) :541 - 551. 张浩.;不同处理稻草的营养成分及干物质降解率比较[J]
- The determinations of viscosityandprecipitation extentof the modifiedproducts in NaCl and acidicsolutionsindicated that sulfonated ligin makedquebracho extract more stable in aqueous solution. 结果表明,木素磺酸钠对坚木栲胶具有较好的分散效果。
- 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 determinations of viscosity and precipitation extent of the modified products in NaCl and acidic solution s indicated that sulfonated ligin maked quebracho extract more stable in aqueous solution. 结果表明，木素磺酸钠对坚木栲胶具有较好的分散效果。
- 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。
