Properties of N-alkyl-N-hydroxyethyl ammonium chloride;
N-十二烷基-N-羟乙基氯化铵的性能研究
Investigation of hemostatic effects and safety of hydroxyethyl soluble styptic gauze
羟乙基可溶性止血纱布的止血性能及安全性实验研究
It is desirable to have a precise knowledge of the positions and the categories of the substituted hydroxyethyl groups in clinical applications, as it affects the pharmacokinetics and pharmacology.
将羟乙基淀粉进行甲基化 水解 还原乙酰化反应 ,产生羟乙基葡萄糖的部分甲基化糖醇乙酸酯衍生物 ,应用气相色谱 化学电离质谱 (GC CIMS)和气相色谱 电子轰击质谱 质谱 (GC EIMS MS)联用技术研究了羟乙基在淀粉糖环上的取代位置 ,发现C 2位取代的量是总取代量的 82 。
5-Amino-1-hydroxyethylpyrazole was synthesized via cyclic action,hydrolysis and decarboxylation reaction using ethyl ethoxymethylenecyanoacetate and hydroxyethylhydrazine as substrates.
以乙氧亚甲基氰乙酸乙酯和羟乙基肼为原料,经环合、水解等一锅法合成5-氨基吡唑-4-甲酸,然后加热脱羧得到5-氨基-1-羟乙基吡唑。
A brief account of technique conditions of several main technique routes for synthesizing glycollic acid and existing main problems in it are given.
概述了羟基乙酸几种主要工业合成方法的工艺条件及存在的主要问题,即氯乙酸水解法、氰化法、甲醛羰基化法和一氯乙酸钾水解法。
In this paper binary and tertiary of Eu(Ⅲ) with glycollic acid and 1,10-phenanthroline in aqueous solution were synthesized,and their elements analyses,infrared spectrum,X-ray powder diffraction,thermal analysis,fluorescence spectrum and ultraviolet spectrum have been investigated.
用羟基乙酸与稀土元素Eu(Ⅲ)合成了二元配合物,又用羟基乙酸、邻菲啰啉与Eu(Ⅲ)合成了三元配合物。
So it's necessary for us to research countermeasure and improve the progress of glycollic acid.
羟基乙酸是一种重要的精细化工中间体,广泛用于化学清洗、日用化工、生物降解新材料及杀菌剂等领域。
By adding inhibitor, ammonia and hydroxynitrile were ammonolyzed at 5℃ to produce a intermediate iminodiacetonitrile, which was hydrolyzed by alkali at 102℃ to produce a salt of disodium iminodiacetic acid.
5℃时加入氨水、羟基乙腈及阻聚剂进行氨解反应生成中间体亚氨基二乙腈,在102℃,碱水解该化合物,生成相应的亚氨基二乙酸钠盐。
According to the physical properties of sheets, the optimal technology of fiber hydroxyethylation was obtained.
本研究在不同的环氧乙烷用量、碱浓、温度条件下处理纤维 ,根据其成纸的物理性能指标的变化情况 ,得到较为适宜的羟乙基化处理条件 ,并通过电镜观察纤维形态和截面的变化来进一步说明纤维羟乙基化作用后性能的提
HEC gelled brine
羟乙基纤维素稠化盐水
non-crosslinked HEC
非交联羟乙基纤维素
ethoxylated sorbitan
羟乙基化山梨糖醇酐
alkylaryl oxyethyl sulfonate
烷芳羟乙基磺酸盐#憎
HEDTA(N-hydroxyethyl ethylene diamine triacetic acid)
N-羟乙基乙二胺三醋酸（有机螯合剂）
Study on the Catalysts Em ployed in Cyclisation ofβ┐ Hydroxyethylethylenediam ine
β-羟乙基乙二胺环合催化剂的研究
Determination of the Molar Substitution Ratio of Hydroxyethyl Guar Gum by Mixed P-toluenesulfonic-acetic Anhydride;
对甲苯磺酸—乙酸酐化学法测定羟乙基瓜尔胶羟乙基摩尔取代度
Determination of Ethylenediamine in 2-(2-Aminoethylamino) Ethanol by Gas Chromatography
气相色谱法测定羟乙基乙二胺中的乙二胺含量
SYNTHESIS AND APPLICATION OF EXO-2-CAMPHANYL-β-HYDROXYETHYL ETHER
外型－2－莰基－β－羟乙基醚的合成与应用
Synthesis of 4-Methyl-5-hydroxyethyl Thiazole
4-甲基-5-（β-羟乙基）-噻唑的合成研究
DMDHEU (dimethylol dihydroxy-ethylene urea)
二羟甲基二羟基乙撑脲
2-hydroxy-2-phenyl acetophenone
２－羟基－２－苯基乙酰苯
phenyl acetophenone 2 -
羟基-2-苯基乙酰苯酚
butyl phthalybutyl glycollate
丁基苯二甲酰基羟乙酸
hydroxyphenethyl ester
氨基甲酸β－羟苯乙基酯
acetylaminohydroxy-phenylarsonic acid
乙酰氨基羟－苯胂酸
Phenomorphan methylbromide
羟苯乙吗喃甲基溴化物
trihydroxyethylamine stearate
三羟基乙胺硬脂酸酯
