etherifying
英 [ɪ'θerɪ,faɪ]
美
vt. 醚化
etherify 的现在分词
双语例句
- Domestically produced etherifying agent was used to prepare cationic starch.
介绍了将国产醚化剂应用于阳离子淀粉制备的实验； - The process of synthesizing ultra-low formaldehyde resin by etherifying DMDHEU resin with mixed alcohols was introduced.
介绍了用混合醇醚化DMDHEU树脂合成超低甲醛树脂工艺。 - Taking the epichlorohydrin and trimethylamine as the main raw material to synthesize the product cationic etherifying agent under the condition of water mutually is a kind of craft route with practical economy.
以环氧氯丙烷和三甲胺为主要原科在水相条件下合成阳离子醚化剂CHPTMAC是一种经济实用的工艺路线。 - Cationic etherifying agent ( CHPTMAC) is an important agent to etherify natural polymers such as starch.
阳离子醚化剂（CHPTMAC）是淀粉等天然高分子进行阳离子改性的重要单体。 - The analytical approach has been used to estimate the performance of catalyst for etherifying and to study the conditions of etherification.
方法被用于催化裂化轻汽油的醚化催化剂评价和工艺研究。 - The esterifying, carboxy, acylate, reaction of schiff's bases, etherifying, hydrolysis and other reactions of chitin and chitosan and their application are expounded in detail in this paper.
本文详述了甲壳素和壳果糖的羟基化、酰化、席夫碱、醚化、酯化、水解及接枝共聚、氧化等化学修饰反应与应用。 - The quality of cationic starch depends upon the reacting conditions such as the amounts of etherifying agent and sodium hydroxide, time, temperature, concentration.
自制阳离子淀粉的质量取决于醚化剂，氢氧化钠用量，醚化温度、浓度和时间等。 - METHODS: Abolishing of brominating step and optimizing of etherifying reaction.
方法：革除溴化反应，对醚化反应进行了优化。 - Technical conditions for starch etherification with alkali and chloroacetic acid in ethanol medium have been discussed, and the influence of various factors on this etherifying reaction has been discussed in detail.
讨论了淀粉与氯乙酸、氢氧化钠进行醚化反应的工艺条件，并对影响此醚化反应的因素进行了详细讨论。 - The cationic starch flocculant bearing quaternary ammonium groups was synthesized with natural polymeric starch as raw material and 3-chloro-2-hydroxypropyl-trimethyl ammonium chlorate as cationic etherifying agent by microwave radiation in dry process. The flocculant had good flocculation and bactericidal function.
以3-氯-2-羟丙基三甲基氯化铵为阳离子醚化剂，天然淀粉为原料，微波干法合成具有絮凝、杀菌等功能季铵型阳离子淀粉絮凝剂。 - Taking wheat starch as raw material, using mono-chloroacetic acid as etherifying agent, chloroepoxy propane as crosslinking agent, the optimized conditions for experimental preparation of crosslinked-carboxymethyl duplex modified starch at response surface by means of Design-expert 6.0.3 Software.
以小麦淀粉为原料，采用一氯乙酸为醚化剂，环氧氯丙烷为交联剂，利用Design-expert6.0.3软件，通过响应面实验制备交联-羧甲基双重变性淀粉并得到其制备优化条件。 - The high viscosity HPMC was prepared as the supplements of medicine. The factors of synthesis, for example alkali cellulose, concentration and ratio of the mixed etherifying agents, and product aftertreatment were studied.
本文研究了药物缓释材料HPMC的合成方法，探讨了碱纤维素制备，醚化剂浓度，混合醚化剂配经以及产品后处理对高粘度HPMC的影响。 - The effect of etherifying and cross-linking on starch is studied in this paper.
本文研究了醚化和交联反应对玉米淀粉物理性质和结构的影响。 - The Latest progress on the method, etherifying reactor and catalyst of production of methyl tertiary butyl ether ( MTBE) is reviewed.
介绍了甲基叔丁基醚（MTBE）的生产方法、工艺流程、醚化反应器和催化剂的最新研究进展。对我国的MTBE生产提出了建议。 - The by-product content in cationic etherifying agent has influences of different degree on the performance of downstream products.
阳离子醚化剂产品溶液中副产物对下游产品性能有不同程度的影响。 - Etherifying and cross-lining occurred mainly in the amorphous region of the starch granule, and they do not disrupt the starch granule.
醚化及交联反应主要在淀粉的非结晶区进行，反应并未破坏淀粉颗粒。 - Hydroxyethyl carboxymethyl cellulose ( HECMC) was synthesized by using chloroethanol as etherifying agent instead of oxirane and chloroacetic acid without isolating intermediate.
探讨了用氯乙醇代替环氧乙烷和一氯醋酸作醚化剂，不用分离中间产物合成HECMC。 - The One-Step Method for Synthesis of a Etherifying Reagent
阳离子醚化剂的一步合成方法 - Researchers studied the process conditions for synthesizing superlow formaldehyde etherified resin by etherifying 2D resin with polylol and the factors influencing free formaldehyde from resin.
探讨了用多元醇醚化2D树脂合成超低甲醛醚化树脂的工艺条件和影响树脂游离甲醛量的因素。 - Preparation of Phosphate Monoester Starch with Microwave Etherifying and Research of the Starch Paste Property
微波酯化制备淀粉磷酸单酯及糊特性研究 - Using potato starch as raw materials, epoxy propane for etherifying agent, sodium trimetaphosphate and acetic anhydride for esterification agents respectively, preparation of potato composite modified starch.
以马铃薯淀粉为原料，环氧丙烷为醚化剂，三偏磷酸钠为交联剂，醋酸酐为乙酰化试剂，制备马铃薯复合变性淀粉。 - Then the cationic starch with DS 0.39 and cross-linking cationic starch with DS 0.40 was prepared using the low-cost cationic etherifying agent, and the structure was identified by IR.
接着用自制的醚化剂合成了低成本的阳离子淀粉及交联阳离子淀粉絮凝剂，测其取代度分别为0.39和0.40，以红外图谱鉴定了其结构。 - The influences of reaction temperatures, reaction time, dosage of etherifying agent, etc. on products were illustrated.
明确了反应温度，反应时间，醚化剂用量，氢氧化钠用量等因素对产品物性的影响。 - Benzylation was carried out with benzyl chloride as etherifying agent, NaOH as swelling agent and catalyst, cetyl trimethyl ammonium bromide as phase transfer catalyst and toluene as solvent.
苄基化改性以苄基氯作为改性试剂，NaOH作润胀剂及催化剂，十六烷基三甲基溴化铵作相转移催化剂，甲苯作溶剂。 - Two kinds of non-ionic nitrogen-containing etherification starch sizes were prepared by using acrylonitrile and acrylamide as etherifying agent respectively. And the starch ethers with different degree of substitution were obtained by varying the feed ratio of etherifying agent to cornstarch.
以丙烯腈和丙烯酰胺为醚化剂，通过改变醚化剂对淀粉的投料比，制备两种具有不同取代度的含氮非离子醚化变性淀粉，研究这两种变性淀粉浆料的粘附性能及浆膜性能。