The casting process and reverse osmosis (RO) properties of Titanium cellulose acetate (TiCA) membrane have been studied.
本文对钛醋酸纤维素反渗透膜制膜工艺和膜性能进行了研宄。
The casting process and reverse osmosis (RO) properties of hydroxy-propyl cellulose acetate (HPCA) membrane were studied.
研究了羟丙基醋酸纤维素反渗透膜的制膜工艺和膜性能。
In this study, the anaerobic acetate metabolism was investigated in the biological phosphorus removal process.
本文研究了生物除磷过程中乙酸盐厌氧代谢机理。
The casting process and reverse osmosis (ro) properties of hydroxypropyl cellulose acetate (HPCA) membrane have been studied in this work.
研究了羟丙基醋酸纤维素反渗透膜的制膜工艺和膜性能。
The syntrophic acetogenesis coupled with homoacetogenesis process was used to produce acetate from municipal sludge by anaerobic fermentation.
应用产氢产酸/同型产乙酸两相耦合工艺对市政污泥进行厌氧发酵,以实现高效产乙酸的目的。
A process of synthesizing methyl acetate by reactive distillation with acetic aid and methanol as starting materials and sulfuric acid as catalyst was studied.
以醋酸、甲醇为原料,以浓硫酸为催化剂,对反应精馏法制备醋酸甲酯的过程进行了实验研究。
The new process of synthesis iso-amyl acetate by catalytic reaction rectification was studied.
采用催化反应精馏技术,研究了合成乙酸异戊酯的新工艺。
A catalytic distillation process for the hydrolysis of methyl acetate was established, and its characteristics and applicability were discussed.
建立了醋酸甲酯水解反应精馏实验流程,并探讨了反应精馏的工艺特点和可行性。
The studies on the catalysts, the thermodynamics and kinetics of methyl acetate hydrolysis were reviewed. The ordinary hydrolysis separation technology was analyzed and a new process was proposed.
对乙酸甲酯水解体系的催化剂和热力学、动力学研究现状进行了评述,分析了传统的水解分离工艺,并提出了可行的新工艺。
This paper studies ramie fiber reinforcement cellulose acetate composites. The forming process and mechanical behavior of composites under different conditions have been analyzed.
研究了苎麻纤维增强醋酸纤维素基复合材料的成型工艺和性能,分析确定了主要影响因素和适宜的成型工艺。
The experimental method for modified copolymerization of polyvinyl acetate was presented and the optimal process conditions were set.
介绍了聚醋酸乙烯酯改性共聚的实验方法,确定了最佳工艺条件。
Based on the structure of acetate fiber and mechanism of dyes exhaustion, dyeing and finishing process of acetate fiber fabric was explored.
从醋纤结构及染料上染机理入手,探索了醋纤服用面料的印染工艺。
Results: the purity of tannins can be as high as reach 75% when it's extracted with 60% acetone and purified with ethyl acetate, and the process has good reproducibility.
结果:以60%丙酮为溶剂进行提取,以乙酸乙酯为溶剂进行纯化,鞣质纯度可达到75%左右,且重复性较好。
The LiTaO3 thin film was chosen as infrared sensing film and prepared by a sol-gel process using lithium acetate and tantalum ethoxide as starting materials.
用醋酸锂和乙醇钽作为起始反应物,通过溶胶凝胶工艺生成了对红外敏感的钽酸锂薄膜,并详细讨论了基于钽酸锂薄膜的红外探测器件制备工艺。
Carmine acetate dyeing, methylene blue dyeing, TTC dyeing and peroxidase settling process were compared in order to seek for a fast determination method of petunia's pollen viability.
通过对醋酸洋红染色法、次甲基兰染色法、TTC染色法和过氧化物酶沉淀法四种方法的比较,寻找快速测定矮牵牛花粉生命力的方法。
A new process has been developed to synthesize dimethoxy methyl acetoacetate with dimethoxyacetic acid methyl ester and methyl acetate in the presence of sodium methanol.
以二甲氧基乙酸甲酷和乙酸甲酷为主要原料,经甲醇钠催化制备二甲氧基乙酞乙酸甲醋。
Three-tower continuous distillation process of ethyl acetate from aldehyde condensation and purification by gas-phase oxidation of acetic acid and ethylene were also discussed.
加恒沸剂共沸蒸馏和乙酸萃取反应精馏过程。乙醛缩合法生产乙酸乙酯的三塔连续精馏过程以及乙烯与乙酸气相催化反应的加水精制工艺过程。
Selecting chlorination of hydroxyl group in sucrose 6-acetate is a key in the process of making sucralose.
蔗糖- 6 -乙酸酯的选择性氯化是合成三氯蔗糖的关键步骤。
It is pointed out that the one-step process catalyzed by solid acid catalysts will become the focus of research works for terpinyl acetate synthesis.
指出了采用固体酸催化剂一步法合成乙酸松油酯应是今后研究工作的重点。
The article introduces the production process, properties and application of acetate filament. The development of acetate filament will enhance the competitive power of China textile industry.
介绍了醋酯长丝的生产流程、产品性能及应用,指出开发醋酯长丝对提高我国纺织业竞争能力有特殊意义。
The results showed, firstly, the recycle coefficient of the process can be reduced greatly in recovering methyl acetate by catalytic distillation technology;
模拟计算结果表明:采用催化精馏工艺,可使流程中物料循环系数大大降低;
Objective: advancing recovery process of ethyl acetate in order that the product obtained conforms to the in-house specification and improving the recovery yield.
前言:目的:通过对乙酸乙酯回收方法的改进获得符合企控标准成品并提高收率。
The present situation of terpinyl acetate synthesis has been reviewed. One-step and two-steps process for the synthesis of terpinyl acetate and relevant reaction mechanism are discussed.
综述了乙酸松油酯的合成研究现状,讨论了一步法和两步法合成工艺及相应的反应机理。
The present situation of terpinyl acetate synthesis has been reviewed. One-step and two-steps process for the synthesis of terpinyl acetate and relevant reaction mechanism are discussed.
综述了乙酸松油酯的合成研究现状,讨论了一步法和两步法合成工艺及相应的反应机理。
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