alcohol acid

英 [ˈælkəhɒl ˈæsɪd] 美 [ˈælkəhɔːl ˈæsɪd]

网络  羟基酸; 醇酸; 羟酸,醇酸

化学



双语例句

  1. Special care is taken for this limited series of wine during the grape harvesting and the maturation process with the aim to attain optimum balance between the wine alcohol and acid.
    这限量系列的葡萄在收获和成熟过程采取了特别护理,旨在实现葡萄酒中的酒精和酸度达至最佳平衡。
  2. The results indicated that the change process and the change trend of alcohol, acid, aldehyde and ester compounds were different.
    发现了香气成分中部分醇类、酯类、醛类和酸类各自特殊的变化过程和变化趋势。
  3. The investigated effects conclueded amount of the catalyst, reaction time, molar ratio of alcohol to acid and repeated uses.
    考察了催化剂用量、醇酸物质的量比、反应时间及催化剂重复使用次数等因素对收率的影响。
  4. Under the condition of same carbon-chain, the lubrication by alcohol and acid are worse than alkane.
    相同碳链长度条件下,酸和醇的润滑效果都比对应烷烃要差。
  5. The content variations of alcohol, acid and ester in fresh litchi wine after being treated by high voltage electric field ( HVEF) were assayed by SPME-GC-MS.
    前言:本实验采用顶空固相微萃取(SPME)及气相色谱-质谱联用(GC-MS)研究了新鲜荔枝酒经高强电场处理后其醇,酸,酯等成分的变化情况。
  6. Complete liquid production of low alcohol lactic acid yellow rice wine
    全液态法生产低度乳酸黄酒
  7. Temperature rise could increase molecular average kinetic energy and quicken alcohol acid esterification, aldol reaction and aldehyde-aldehyde condensation.
    升高温度可增加分子的平均动能,加快醇酸酯化、醛醇缩合、醛醛缩合等反应的速度。
  8. This study discussed the new technology which used grape wine as raw material and adopted unmatured material technology to brew grape vinegar, the change ratio from alcohol to acid reached equally to 77. 36%.
    探讨了以葡萄原酒为原料,采用生料工艺进行固态发酵酿造葡萄醋的新工艺,酒精转酸率平均达到77.36%。
  9. The effects of Vc extracted from wild jujube leaf with alcohol, acid and water and Vc Stability in extracting solution were investigated in the experiment.
    用酒精、柠檬酸、水浸提酸枣叶片中的Vc,对浸提率和浸提液中Vc的稳定性进行了研究。
  10. Catalytic Synthesis of Fatty Alcohol Maleic Acid Monoesters and Glycidol
    催化合成脂肪醇马来酸单酯缩水甘油酯
  11. We investigated alcohol, acid, amine, ester and several kinds of normal metal clusters by using the HF-LCAO-MO method for the lubricate mechanism of different polarity bases, through the frontier orbital energy levels and its composition.
    用HF-LCAO-MO方法计算醇、酸、胺、酯4类油性剂和常见金属的原子簇模型,从前线轨道能级、分子轨道组成等方面研究了不同极性基团的润滑机理。
  12. New aseptic monomethyl fumarate was synthesized by esterification of fumaric acid and methanol in the presence of TiSiW12O40/ TiO2. The effect of the molar ratio of alcohol to acid, the quantity of catalyst, reaction temperature and the reaction time were tested through orthogonal experiment.
    以TiSiW12O40/TiO2为催化剂,用富马酸与甲醇直接酯化合成了防霉剂富马酸单甲酯(MMF),通过正交试验确定了醇酸物质的量比、催化剂用量、反应温度和反应时间对反应产率的影响。
  13. In this paper, the operation conditions of epoxy heavy anti corrosive coating adopted on passenger cars and solvent type thick paste alcohol acid paint adopted on freight cars are introduced.
    介绍了客车上采用的环氧重防腐涂料、货车上采用的溶剂型厚浆醇酸漆的运用情况。
  14. Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
    氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
  15. The experiment show that when the power of microwave irradiation was 800 W, amount of catalyst was 0.2 g, molar ratio of alcohol to acid was 2.6/ 1, reaction time was 20 min, yield of the product was 94%.
    实验结果显示,当微波功率为800W,催化剂用量为02g,醇酸比为26∶1,反应时间为20min,酯收率超过94%。
  16. Experiment results show that Co-PET polymerization process depends on catalyst sorts and content, stable agent, molar ratio of the total of alcohol to acid and polymerization temperature.
    实验表明:共聚酯聚合工艺受催化剂种类和用量、稳定剂用量、总醇与酸的物质的量比、聚合温度等条件影响;
  17. A monolayer sensor was formed based on the covalent binding of cysteamine Cu complex ( CuCysh) on a thioethyl alcohol acid ( TAA) modified gold electrode by using the self-assembly technique and chemical derivative method.
    将半胱氨酸铜(CuCysh)络合物共价键合到自组装在Au电极表面的硫代乙醇酸(TAA)单分子层上,获得了衍生化自组装CuCysh-TAA单分子膜传感器。
  18. Affection of Alcohol and Acid Additives on Rinsing Effect of Grease-Removing Agent
    醇、酸类添加剂对脱脂清洗液清洗效果的影响
  19. At first, the key factors affecting this complicate reaction are determined, such as the ratio of alcohol to acid, times of esterification, times of condensation and degree of vacuum.
    首先确定了影响反应体系的关键因素:醇酸摩尔比、酯化时间、缩合时间和真空度。
  20. The reaction-distillation is taken in the following: ratio of alcohol and acid is about 7 ∶ 1;
    采用反应-精馏法对焦化纯苯进行脱硫精制的研究确定了较佳的工艺操作条件:醇酸摩尔比为7∶1;
  21. A New Method for Preparing Porous Silicon Layer in Propyl Alcohol Hydrofluoric Acid Solution by Anodization
    用HF-醇溶液法制备多孔硅的新方法
  22. Lipases-catalysed reactions are considered as an effective method to prepare pure enantiomers, based on esterification of alcohol, acid, or lactone in non-aqueous phase under mild reaction conditions.
    脂肪酶催化是生产单一对映体产品的有效方法,可以在非水相中通过酯交换反应分别对醇、酸、内酯进行转换。
  23. We discussed the amount of catalysts, the molar ratio of alcohol to acid, reaction temperature and the reaction time on the yield of product.
    考察了酸醇摩尔比、对甲苯磺酸用量、反应时间及反应温度等对产物产率的影响。
  24. It was found from experimental results that high temperature, small feed flow rate, large membrane area and high molar ratio of alcohol to acid are favorable to the conversion ratio of adipic acid.
    实验表明:温度越高,进料流量越小,膜面积越大,进料中醇酸比越高,酯化反应转化率越高。