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。
The structures of these compounds were determined as friedelin(1), 5 hydroxymethyl furaldehyde(2), limonin(3), nomilin(4), daucosterol(5)by spectral methods.
经光谱数据的分析,分别鉴定为木栓酮(1)、5羟甲基糠醛(2 )、柠檬苦素(3)、闹米林(4 )及胡萝卜苷(5 ) 。
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。
A new technique for the durable flame retarding treatment of hydroxymethyl nylon 6 textiles with reactive flame retardants is put forward.
提出以羟甲基改性尼龙- 6织物与反应型有机磷系、溴系阻燃剂进行耐久性阻燃整理的新方法。
The formation, measurement of 2 furaldehyde and 5 hydroxymethyl 2 furaldehyde in date and their influences on the dry date were discussed.
还讨论了红枣中糠醛和5羟甲基呋喃甲醛的形成、测定及其对干枣品质的影响。
Tris(hydroxymethyl)aminomethane acetate salt; TRIS acetate salt;
名称:三羟甲基氨基甲烷醋酸盐;
In addition, the effects of temperature and concentration of sulfuric acid on the concentration of LA and 5-hydroxymethyl furfural were shown.
实验考察了不同温度和硫酸浓度对葡萄糖分解的主要产物5-羟甲基糠醛和乙酰丙酸浓度的影响。
Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2, 2-bis (hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.
在碱性催化剂的存在下,甲醛和丁醛经羟醛缩合反应合成2,2—二羟甲基丁醛。
Tris (hydroxymethyl) aminomethane sulphate (THAMS) single crystal is a new organic crystal.
报道一种三羟甲基氨基甲烷硫酸盐(THAMS)有机单晶。
Objective: To find the changing regularity of 5-hydroxymethyl furfuraldehyde (5-hmf) content in Radix Rehmanniae steamed for different time.
目的:考察地黄清蒸不同时间5 -羟甲基糠醛含量的变化规律。
It is shown that the best crosslinking reaction technological condition is: the molar ratio for the N-hydroxymethyl propylene acryl amine and the acrylonitrile monomer is 0.
确定最佳交联反应工艺条件为:n羟甲基丙烯酰胺与丙烯腈单体的摩尔比为0。
High water-absorbent resin has been prepared using the useless acrylic fibres alkaline hydrolysis under the normal pressure, using the N-hydroxymethyl propylene acryl amine as the crosslinked agent.
将废旧腈纶用常压碱法水解,用n羟甲基丙烯酰胺作交联剂制备高吸水性树脂。
HPLC method separating the reactants and products in the oxidation of 2, 2 bis (hydroxymethyl) butyric aldehyde was experimentally investigated.
建立了2,2二羟甲基丁醛氧化液中反应物以及产物的高效液相色谱(HPLC)分析方法。
The results show that high cross-linking degree of resin can be gained as the mass fraction of comonomer N-hydroxymethyl acrylamide (NMA)and hydroxyethacrylate (HEMA)are 6% and 15% respectively.
结果表明,当共聚单体N羟甲基丙烯酰胺(NMA)和甲基丙烯酸羟乙酯(HEMA)的质量分数分别为6%和15%时,树脂的交联度较高;
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。
The present paper reports a rapid method for the determination of furfural (f) and 5-hydroxymethyl furfural (HMF) in pre-extraction liquors of lignocellulosic biomass based on UV spectroscopy.
提出了一种基于紫外光谱快速测定木质生物质预提取液中糠醛(F)和羟甲基糠醛(HMF)的方法。
The present paper reports a rapid method for the determination of furfural (f) and 5-hydroxymethyl furfural (HMF) in pre-extraction liquors of lignocellulosic biomass based on UV spectroscopy.
提出了一种基于紫外光谱快速测定木质生物质预提取液中糠醛(F)和羟甲基糠醛(HMF)的方法。
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