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- To indicate the feasibility of using acetic ester carboxylation process in China based on making process comparison. 通过对各种生产工艺的对比,提出了醋酸甲酯羰基化工艺在我国的可行性。
- By using acetic ester as solvent, Tea Polyphenols and Catechin are separated from green tea. 应用乙酸乙酯作溶媒 ,从绿茶提取液中萃取茶多酚、儿茶素。
- RESULTS: The linear ranges of Vitamin D2, Vitamin E acetic ester and Vitamin A palmitate were 0. 结果:维生素D2、维生素E醋酸酯与维生素A棕榈酸酯检测浓度的线性范围分别为0。
- Degradability of the isolates on acetic ester compounds was proved according to the increase of biomass and the decrease of substrates in liquid cultures. 该菌对醋酸酯类化合物的降解性是通过在液体培养基内菌体的增加及底物的减少来证实的。
- The reaction mechanism were determined with FT-IR spectroscopy of methanol,acetic acid,acetic ester on the SO?4??2-?/ZrO?2 solid superacid catalyst. 以甲醇、乙酸和乙酸乙酯吸附在SO42-/ZrO2固体超强酸催化剂上的FT-IR光谱,推测酯化反应机理。
- By analysis of five homologues of acetic ester, the basic chromatographic conditions of negative-peak determination were established. 通过对乙酸酯系列的 5种样品的分析 ,确定了负峰测定的基本色谱条件 ,考察了乙酸酯系列测定的灵敏度、精密度、检出限和线性范围。
- Poly-complex collector H907 for phosphate ores is developed by the mixture of polythene acetic ester and methyl sulfonate. 是聚乙烯醋酸酯与磺化甲酯盐混合而得的一种磷灰石型矿石的聚-复型捕收剂。
- Methods: Water extract from the root of Adina rubelle Hance was extracted with acetic ester,then separated by silicage column with differentiation by thin-layer chromatography. 方法:对水杨梅根水提液进行乙酸乙酯萃取,萃取液经硅胶柱层柱结合薄层定性鉴别,将分离的成分经气相色谱-质谱联用法分析其结构。
- The paper reviews catalysts used in acetic ester synthesis replacing strong sulfaric acid catalyst such as: zeolites solid heteropoly acid . solid super acid phase transfer etc. 对近年来用沸石分子筛、体杂多酸、体超强酸、转移等催化剂代替浓硫酸钾化利合成醋酸酯类的研究进展进行了综述.
- The vinyl acetic ester,2-ethylhexyl acrylate and acrylic acid were used as monomers,and BPO as an initiating agent,extract oil as a solvent,then a nonpoisonous leather adhesive was prepared. 以醋酸乙烯酯,丙烯酸2-乙基己酯、丙烯酸为单体,过氧化苯甲酰为引发剂,抽提油为溶剂,经聚合得到一种无毒的皮革粘合剂。
- It was rearranged under the action of protonic acid to open the four-ring,and then hydrated to form the main product: 4-(1-methyl-1-hydroxyethyl)-1-cyclohexene-1-ethanol acetic ester, and its corresponding alcohol by further hydrolysis. 反应的主要产物为质子酸作用下原料发生重排使四员环开裂并进一步水合生成的4-(1-甲基-1-羟基乙基)-1-环己烯-1-乙醇乙酸酯及该酯水解所生成的醇.
- The intermediate O-(3-Chloro-2-propenyl)-hydroxylamine was prepared using acetic ester and hydroxylamine hydrochloride by three steps via acetylamination, etherification, and hydrolysis. 除此以外，尝试乙酸乙酯代替乙酸酐，也得到了较好的产率，且因后者成本较低，应有更大应用的前景。
- Extraction of Gallium from high concentration HCl solution using organic phases which composes of TBP and butyl acetic ester, xylene, petroleum ether and kerosene, respectively, are investigated. 系统研究了以TBP为萃取剂,乙酸丁酯、二甲苯、石油醚、煤油为稀释剂,从高酸度盐酸溶液中萃取镓。
- A kind of good property aclendening oil was prepared by solution polymerizing reaction of methacrglic acid,arcylic ester, styrene and vinyl acetic ester in a low poisonous mixing soluent. 以甲基丙烯酸、丙烯酸酯、苯乙烯、醋酸乙烯酯为主要单体，选配低毒混合溶剂，溶液聚合，得到性能优良的印刷纸品用上光涂料。
- As a result of nitrocellulose in need and to join the ethyl acetate ester, such as d, acetic acid. 由于硝化纤维的需给，也给参增酯类，如醋酸乙酯、醋酸丁脂。
- It is mainly used to produce ethenyl acetate , acetic anhydride , cellulose acetate , acetic ester , terephthalic acid , chlorine acid and acetate , etc . 最主要的用途是生产酷酸乙烯、醋配、酷酸纤维素、醋酸醋类、对苯二甲酸、氯气酸和醋酸盐类等。
- Measuring of The Content of Acetic Ester 己酸乙酯含量的测定
- As a result of nitrocellulose in need and want to join, such as ethyl acetate ester, n-butyl acetate. 由于硝化纤维的需给，也给参增酯类，如醋酸乙酯、醋酸丁酯。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- Synthesis of S-SBR Coupled by Chloracyl Acetic Ester 用氯代醋酸乙酯偶联的溶液丁苯橡胶的合成
