dehydrating agent
英 [ˌdiːhaɪˈdreɪtɪŋ ˈeɪdʒənt]
美 [diːˈhaɪdreɪtɪŋ ˈeɪdʒənt]
脱水剂
双语例句
- Through the experiment, it is found that the tack free time is affected greatly by the content of catalyst, dehydrating agent, plasticizer and the free NCO.
通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。 - Glacial acetic acid is a dehydrating agent and an irritant and is corrosive.
冰醋酸是个脱水代理及刺激物和腐蚀。 - The affects of catalyst amount, molar ratio of phenylethyl alcohol and iso-valeric acid, reaction time and dehydrating agent amount were studied.
研究了催化剂用量、载体二甲苯用量、醇酸比例以及反应时间对反应结果的影响。 - A glassy solid acid ( [ HPO3] n) often used as a dehydrating agent.
一种玻璃状的固体酸（HPO；n），通常用作脱水剂。 - The results showed that the productivity of ethyl lactate was obviously improved by adding dehydrating agent and water-carrying agent in the reaction system.
结果表明，加入脱水剂和带水剂可以显著提高乳酸乙酯的产率。 - This paper reviewed the advantages, adsorption principle and the recommended technological process of preparation of absolute ethanol with corn starch as dehydrating agent.
以玉米淀粉为脱水剂制备无水乙醇的优点，吸附原理及推荐的工艺流程。 - The research also indicated that the performances of PU sealant such as ultimate elongation, Shore-A hardness and shear strength, etc were affected little after adding dehydrating agent.
研究还表明了添加脱水剂后，密封胶的断裂伸长率、邵氏硬度、剪切强度等性能受到的影响很小。 - The condensation of citronellal with diethanolamine was promoted in the existence of dehydrating agent, producing a stable condensate, the yield was 97. 9%;
以脱水剂促进香茅醛与二乙醇胺缩合，生成稳定缩合物，产率达97.9%； - Development of Dehydrating Agent
污油脱水剂的研制 - Preparation of ethyl 3-hydroxybutyrate from 3-hydroxybutyric acid and ethanol was studied. Reaction was carried out in a Soxhlet extracting set, with paratoluenesulfonic acid as catalyst and CaO, molecular sieve type 3A or MgSO_4 as dehydrating agent.
以3-羟基丁酸和乙醇为原料，在对甲苯磺酸的催化下分别以氧化钙、3A分子筛、无水硫酸镁为脱水剂，采用索氏提取器进行回流脱水合成3-羟基丁酸乙酯。 - The basic principle and method of synthesis of lower fatty acid ethyl ester using 3A molecular sieves as dehydrating agent were described.
本文主要阐述了在合成低碳脂肪酸乙酯中采用3A型分子筛作脱水剂的基本原理和方法。 - The variety of emulsion system, the selection of monomer and the determination of dehydrating agent can directly influence the properties of the regenerated leather adhesive.
讨论了乳液体系的种类、单体的选择和脱水剂的确定，它们直接影响到再生革粘合剂的应用性能。 - The coupling mechanism of silane coupler and its use as endcapper, adhesion promoter and dehydrating agent in polyurethane sealant are discussed.
论述了硅烷偶联剂的偶联机理及其作为封端剂、粘接促进剂和干燥剂在聚氨酯密封胶中的应用。 - The experiment results showed that adding dehydrating agent into the sealant obviously improved its storage stability but prolonged the tack free time of sealant and increased its flow property.
实验结果表明添加脱水剂可以显著改善密封胶的储存性能，但是使密封胶的表干时间延长，流淌性增加。 - After being used as a dehydrating agent of natural gas, TEG, triethylene glycol, may be contaminated and deteriorated so seriously that it may have bad influence on the dehydrating and the stable operation of the facility.
三甘醇作为天然气脱水剂，长期使用后会出现污染变质现象，影响脱水效果和装置平稳运行。 - The optimum conditions are as follows: citral ∶ 1,2-propandiol ∶ catalyst: dehydrating agent is 1mol ∶ 1.4mol ∶ 24mmol ∶ 100mL. Reaction temperature is reflux temperature, reaction time is 2.0h.
其最优条件为：柠檬醛∶1,2-丙二醇：催化剂∶带水剂为1mol：1.4mol∶24mmol∶100mL，反应在回流温度下进行，反应时间2.0h。 - The reasons of the improvement of stability and the prolongation of tack free time were analyzed and the optimal amount of dehydrating agent was studied in this article.
分析了添加脱水剂后密封胶储存稳定性提高以及表干时间延长的原因，研究了脱水剂的最优添加量。 - The water in the solid can be removed by a dehydrating agent.
固体中的水可用脱水剂将其反应掉。 - Ethylene glycol is a common dehydrating agent during dehydration process in gathering and transportation of natural gas production. As chlorination salts cumulated by recycling use of ethylene glycol solution, there have great harm to the whole craft and equipments in the meantime.
在天然气集输生产中，乙二醇是常用的脱水剂，在循环使用中，尤其是水中氯盐的累积，对整个工艺设备产生严重的危害。 - In pharmaceutical industry, mannitol was used as diuretics and dehydrating agent.
在医药行业，甘露醇可作为脱水药和利尿药。 - This paper studied the using of dehydrating agent Dicyclohexylcarbodiimide ( DCC) to catalyze esterification between propionic acid and phenol alcohol compounds at low temperature. Compared with the traditional esterification by the sulfuric acid as dehydrating agent, this method had less side reaction and obtained high yields.
本文研究了利用脱水剂1,3-二环己基碳化二亚胺（DCC）低温脱水催化丙炔酸与酚醇的酯化反应，与传统浓硫酸催化酯化相比，该方法副反应少、产率高。 - N-butyl acetate is a colorless, transparent liquid, which is important organic solvent, extractant and dehydrating agent, widely used in industry.
醋酸正丁酯为无色透明液体，是重要的有机溶剂、萃取剂和脱水剂，在工业上用途广泛。 - The effect of dehydrating agent used commonly is good, but some degradation products could cause environment pollution.
常用的污泥脱水剂的脱水效果较好，但是有的脱水剂的降解产物对环境会造成二次污染。 - The effects of the kind and dosage of dehydrating agent, the mole ratio of acid to alcohol, reaction time on conversion, yield and purity were studied.
所得主要结论性成果如下：1.在丙烯酸和二乙二醇单甲醚进行酯化制备MOEOEA的过程中，考察了共沸剂种类及用量、酸醇摩尔比、酯化时间对转化率、产物收率及纯度的影响。 - TMC is widely used in carbohydrate chemistry and peptide chemistry as Condensation reagent or dehydrating agent but few in synthesis of heterocyclic compound.
TMC作为脱水剂和缩合试剂被广泛应用于糖类化学和肽类化学中，对于将其作为底物合成杂环化合物的应用很少。