Maillard反应中,高温条件下果糖和葡萄糖在蜂蜜中同鸭肉里的氨基酸反应,生成多种新的分子,增加了菜肴的滋味和颜色。
In the Maillard reaction, at high temperatures, fructose and glucose in the honey reacts with amino acids in the duck, producing a variety of new molecules that add flavor and color.
普鲁兰氨基烃基醚的有机盐和无机盐可由普鲁兰氨基烃基醚与酸在常规条件下反应获得。
The organic or inorganic acid salts of pullulan aminoalkyl ether can be prepared by reacting pullulan aminoalkyl ether obtained as above with acids in a conventional manner.
叙述了脂肪酸甲酯加氢制饱和甲酯的催化剂HG - 2的筛选过程,并讨论各工艺条件对加氢反应的影响。
The selection process of hydrogenation catalyst HG-2 for the preparation of saturated ME was described, and the effect of reaction conditions on the hydrogenation process were discussed.
深入研究了聚乙烯酸缩甲醛的合成工艺,归纳了反应规律,提出了最佳工艺条件。
Deepening study was carried out of the synthesis of polyvinyl formal, its reaction law was summed up and optimum technological conditions were presented.
通过一系列条件试验,确定了在改进后装置下酸脱气过程中最佳的样品粒度、盐酸浓度、反应时间等条件。
After a series of conditional experiments with the apparatus, the optimum experimental conditions of gas releasing, such as sample granularity, HCl concentration and reaction duration, are confirmed.
在优化反应条件下,没食子酸正丁酯的收率达到93.4%。
The yield of n-butyl gallate was 93.4% under the optimum reaction condition.
用稀醋酸水溶液作为脱钙剂,环烷酸钙作为模型有机钙化合物,研究了反应条件以及原油三组分的存在对脱钙的影响。
The influences of reaction conditions and petroleum fractions on the removal of calcium by dilute aqueous acetic acid were investigated using calcium naphthenate as model compound.
研究了用钛酸酯偶联剂进行石英尾矿表面改性的反应条件,对改性后的主要性能进行了综合评价,并介绍了改性尾矿在聚乙烯塑料中的应用情况。
The surface modification conditions of quartz tailing with titanate as coupling agent have been studied. The main properties and application of the moolified Quartz Tailing in polyethylene are shown.
详细讨论了酸解反应工艺条件及影响因素,使烧渣中的氧化铁分解率达95%以上。
Detailed discussion of acid reaction conditions and the impact of factors, cinder of iron oxide decomposition rate of over 95%.
在该反应条件下,亚氨基二琥珀酸的收率大于80.0%;
Under these conditions, up to 80.0% yield of iminodisuccinic acid was obtained.
方法利用砷斑法原理进行反应酸、还原剂体系的配比、使用量及使用条件、检测试纸条及标准比色板的制备和条件实验。
Methods Based on the arsenic stain method principle the condition of reaction acid reducing agent system, measuring strip, and standard colorful board were experimented.
研究了铍与磺基水杨酸的显色反应条件。
The condition of color reaction of beryllium with sulfosalicylic acid was studied.
采用正交试验法探讨了乙酸、盐酸等稀酸降解植物纤维素的最佳反应条件。
The optimal reaction conditions of degrading plant cellulose with acetic and hydrochloric acid were discussed by cross experiments.
用硫酸乙酐混合物作环合剂,制备了氟嗪酸中间体.该方法具有反应条件温和、价格便宜、后处理简单的优点,适用于工业化生产。
Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate. The reaction could be carried out under moderate conditions and facilitate industrial produce.
本文介绍了芥酸合成环十五酮的新方法,并研究了反应条件对产率的影响。
A new route for the synthesis of cyclopentadecanone starting from erucic acid is reported. Some conditions affecting yields of reactions are discussed.
在酶促氧化条件下,对模拟苹果酒体系中,儿茶素、表儿茶素、绿原酸和咖啡酸这四种单酚进行氧化聚合反应实验。
Under the condition of enzymatic oxidation, it was studied by the experiment of oxidative polymerization of catechin, epicatechin, chlorogenic acid and caffeic acid in the cider model system.
另外,还考察了不同反应条件下高铁酸钾对水中2,4,6-三氯酚的去除效果。
In addition, the removal efficiency of the 2,4,6-trichlorophenol in water at different reaction conditions by K_2FeO_4 were studied.
文中讨论了影响酯化反应的外部条件,同时对制约水杨酸异辛酯酯化率的内在因素也作了相应的解释。
It not only describes the extraneous factors influencing the esterification, but also explains the internal reasons which restrict the ester value of iso-octyl salicylate.
实验表明,离子液体的催化活性与其酸强度密切相关,只有在酸性条件下,离子液体对烷基化反应才有催化活性。
The results showed that the activity of ionic liquid correlated strongly with its acidity, and only acidic ionic liquid had alkylation activity.
在弱酸性条件下柠檬酸铁和草酸铁可催化硝化反应。
At weakly acidic pH the reaction can be catalyzed by ferric citrate and ferric oxalate.
本文研究了赤霉素在磷钼杂多蓝形成反应中的现象,通过正交试验比较并优化了实验条件,建立了测定赤霉素的杂多酸光度法。
A new method is presented for the spectrophotometric determination of Gibberellins, which is based on the reaction of phosphorus-molybdenum heteropoly acid with Gibberellins.
通过元素分析及IR和NMR分析确证了其结构,并对反应条件和在醇酸清漆中应用进行了讨论。
The structure is affirmed by element analysis, ir and NMR. The reaction conditions and the application in alkyd resin varnish are discussed.
考察了物料配比、反应温度、酸化还原的时间及酸化还原时采用不同的酸四因素对合成巯基乙酸收率的影响,确定了最优化的反应条件。
In the course of the experiment we study conditions of four factors, for example material proportion, reduction reaction temperature, reaction time and sorts of acid.
本文讨论了反应温度、醇酸摩尔比、反应物流速、树脂床高等因素对产率的影响,按选定的最佳条件,总产率可超过80%。
Some factors affection reaction such as temperature, moles ratio of reactants, flow rate and height of resin bed were studied. Under our optimum conditions the total yield was over 80%.
结果表明,地质低温条件下天然矿物对脂肪酸酯水解反应具有催化作用。
The results show that the minerals acting as catalysts play important roles in promoting the hydrolysis of fatty acid ester at geological low temperature.
确定出了各步反应及其产物分离的工艺条件,丁二酸酐、过氧化丁二酸的收率和产品纯度均达90 %以上。
The optimum operating conditions for reaction and separation processes were established. Both yield and product purity of succinic anhydride and peroxysuccinic acid were more than 90%.
本文采用乙烯类和丙烯酸酯类单体、阴离子乳化、氧化还原系统引发反应体系对酪素进行接枝改性,以正交试验法优化合成反应条件。
In this paper, the grafting modification of casein was carried out by using vinyl and acrylic ester monomers, anionic emulsifier and REDOX catalyst system.
以聚乙二醇- 200与丙烯酸直接缩合反应,在不加有毒带水剂的条件下合成了丙烯酸聚乙二醇单酯。
Acrylate polyethylene glycol monoester was synthesized by condensation of PEG (200) and acrylic acid without water-carrying reaction.
以聚乙二醇- 200与丙烯酸直接缩合反应,在不加有毒带水剂的条件下合成了丙烯酸聚乙二醇单酯。
Acrylate polyethylene glycol monoester was synthesized by condensation of PEG (200) and acrylic acid without water-carrying reaction.
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