The reaction between N - arylmethylene - 1 - propen - 1 - amine (2) and sodium alkoxide (NaOMe,NaOEt )was studied.
研究了N-芳亚甲基-1-丙烯-1-胺与醇钠(甲醇钠,乙醇钠)的加成反应,该反应具有高度的区域选择性,提出了可能的反应机理。
The synthesis of furan phenol through cyclization were studied, catalyzed by aluminium alkoxide and the affect of the catalyst weight against the selection of furan phenol and the feeding in or distilling out of the alcohol against the reaction yield of product.
采用醇铝作为呋喃酚环合反应催化剂,研究催化剂用量与呋喃酚选择性的关系,以及在反应体系中添加或采出醇对反应收率的影响。
High-performance anion-exchange chromatography coupled with pulsed amperometric detection was optimized for determination of sugars and sugar alcohols in sugar-free food by recovery rates (88%～106%) of spiked samples and comparison with other type columns of CarboPac family.
建立并优化了高效、简便的阴离子交换色谱-脉冲安培检测器同时分析无糖食品中的糖和糖醇的方法,并且通过样品加标回收(回收率为88%～106%)以及与其他同系列色谱柱的互补、对照实验完善了该方法并验证其准确性和可靠性。
In recent years,the sugar alcohols have attracted great interest for its attributes,such as low sweetness,low-calorie,non-tooth-decaying,and edible to the diabetes.
糖醇具有甜度低、能量值低、非致龋齿性、可供糖尿病患者食用等特点,近年来引起人们广泛的关注,文中总结了木糖醇、甘露醇、山梨醇、赤藓糖醇、乳糖醇、麦芽糖醇和异麦芽糖醇的生产方法。
In this paper, we reviewed on the application status and safety of sugar alcohols, oligosaccharides and high sweeteners in sugar-free foods.
本文主要对无糖产品中的糖醇,低聚糖,高倍甜味剂等甜味剂原料的应用概况及其安全性进行综述。
Nine sugars and five sugar alcohols were analysed by HPLC with a differenctial refractometer (RI)detector.
采用高效液相色谱示差折光检测器(RI),对9种糖和五种糖醇进行了分离检测;另以对甲氧基苯胺和苯甲酰氯为衍生试剂,分别对糖和糖醇进行柱前衍生,使其接上紫外吸收基团,然后用紫外检测器(UV)进行检测。
In theory,ke- rose can be reduced to obtain a couple of sugar alcohols which are epimers and have the same molecular weight.
酮糖被还原时理论上生成一对等量的差向异构体糖醇。
Synthesis of Dipropylene Glycol and its Macro-kinetics with Sodium Methoxide as Catalyst
醇钠法合成一缩二丙二醇及其动力学研究
Research on Novel Synthesis Technology of Sodium 3,5,6-Trichloropyridin-2-OL;
3，5，6-三氯吡啶-2-醇钠合成新工艺研究
Synthesis of Sodium 3,5,6-trichloropyridin-ol;
3，5，6-三氯吡啶-2-醇钠的合成
Study on the Reactions of [60] Fullerene with Sodium Alkoxides, Phenylhydrazines and Amines
[60]富勒烯和醇钠、苯肼、胺的反应研究
In the function of sodium methoxide, several factors effecting on alcoholysis of urea by zinc oxide catalyst were obtained.
探讨了在甲醇钠作用下，氧化锌催化尿素醇解的影响因素。
Research on Synthesis Experiment and Technology of Sodium 3, 5, 6-trichloropyridin-2-ol;
3，5，6-三氯吡啶-2-醇钠合成实验和工艺研究
Using headspace Gas-chromatography methods to detect the residual solvent content in Ampicillin Sodium and Sulbacam-Sodium ethanol and 2-Propanol
顶空气相色谱法测定氨苄西林钠舒巴坦钠中残留溶媒-乙醇、异丙醇
Polyether polyols-Determination of sodium and potassium
GB/T12008.4-1989聚醚多元醇中钠和钾测定方法
3,5,6-Trichloropyridinol Aodium Analysis Method
高效液相色谱测定3,5,6-三氯吡啶醇(钠)
Study on the properties of sodium fatty alcohol polyoxyethylene ether sulfonate
脂肪醇聚氧乙烯醚磺酸钠的性能研究
Determination of the content of Sodium alendronate in Sodium alendronate and calcitriol tablets by HPLC with precolumn derivatization
柱前衍生HPLC法测定阿仑膦酸钠骨化三醇片中阿仑膦酸钠的含量
Effect of resveratrol on atrial natriuretic peptide and brain natriuretic peptide secreted from fibroblasts
白藜芦醇对成纤维细胞分泌心钠素及脑钠素的影响
In decanol system the conductivity was hardly changed in the presence of both organic salts.
庚醇、癸醇体系的电导率随水杨酸钠浓度的增加而增大;
A new method of synchronous measuring methyl alcohol、ethyl alcohol and acetone in heparium natricum by GC chromatography;
GC色谱法同步测定肝素钠中残留甲醇、乙醇和丙酮的含量
Synthesis of Surfactant-sodium 1, 4-butanediol Bisulfosuccinate Diester Catalyzed by Solid Supported Phosphotungstic Acid
固载磷钨酸催化合成1，4-丁二醇双琥珀酸十八醇双酯磺酸钠
Synthesis of sodium 1,4-butanediol bisulfosuccinate diester catalysized by loaded PW_(12)/TiO_2
TiO_2负载磷钨酸催化合成1,4-丁二醇双琥珀酸十八醇双酯磺酸钠
Study of the collaborative thicking properties of sodium chloride and rap oil ethanolamide polyoxyethylene ether for fatty alcohol polyoxyethylene
氯化钠与菜子油酸单乙醇酰胺聚氧乙烯醚协同增稠脂肪醇聚氧乙烯硫酸钠的研究
People are staying away from foods that are high in fat,sodium and cholesterol.
人们不吃那些富含脂肪、钠和胆固醇的食物。