研制出高活性、长寿命的催化剂是低温液相甲醇合成实现工业化的关键。
The research of the durable catalysts with high-activity is the key-problem of the industrialization of the liquid-phase synthesis of methanol under lower temperature.
本发明还公开了上述的汽化器在液相甲醇脱水制备二甲醚工艺中的应用。
The invention also discloses application of the vaporizer in a process of preparing dimethyl ether by dehydrating liquid phase methanol.
相比目前使用的水或甲醇溶剂纯化收率30％，发现以丙酮、乙酸、水的溶剂体系，精制更昔洛韦收率可显著提高到83.3％，高效液相色谱（HPLC）分析，产品纯度达到99.0％以上。
Ganciclovir could be purified to more than 99.0%(HPLC) by a combination of acetone, acetic acid and water in 83.3% recovery as compared with 30% one when using water or methanol as solvent.
本文论述了甲烷液相部分催化氧化制甲醇的重要意义和国内外的研究现状。
In this thesis, the current researching and significance of catalytic partial oxidation of methane to methanol at home and abroad was reviewed.
果肉甲醇相上大孔树脂后，以50%的乙醇洗脱液的抑制作用最强。
After the methanol phase extracted from pulp is treated by pocket resin, 50% alcohol eluent inhibitory is strongest.
液相法三相淤浆床甲醇合成技术是一种使用三相淤浆床反应器将合成气转化为甲醇的生产新技术。
The three phase slurry bed technology for the liquid phase methanol synthesis is a new productive technology which converts synthesis-gas into methanol by taking three phase slurry reactor.
结果表明，该方法具有简便、重复性好、回收率高等优点，可用于双液相浸取棉仁的甲醇相中棉酚含量的测定。
The results showed that it was a simple method with good reproducibility and high recovery rate in determining gossypol content in methanol phase from two-phase solvent extraction.
鼓泡浆液反应器使用的浆液由铜铬催化剂、甲醇钠溶液、乳化剂OP - 10和液相介质二甲苯组成。
The slurry was composed of the required amounts of sodium methoxide solution, CuCr catalyst and emulsifier OP10, as well as the balanced liquid xylene medium.
研究了以骨架镍催化剂液相催化加氢制备甲基异丁基甲醇的工艺。
Preparation of methyl isobutyl carbinol(MIBC)was studied by catalytic hydrogenation of methyl isobutyl ketone(MIBK)in liquid phase on Raney nickel catalyst.
用双液相溶剂（TPS）浸取棉仁可得到棉油、无毒饼粕及富含游离棉酚（FG）的甲醇相。
High-level cottonseed oil, gossypol-free cottonseed meal and methanol phase abundant in free gossypol (FG) could be obtained by the leaching process with a two-liquid phase solvent (TPS) system.
计算表明，该精馏过程汽相符合理想气体定律和亨利定律，液相为非理想溶液，采用NRTL或UNIQUA C物性方法时，乙醇与甲醇在精馏塔中无法进行有效分离。
It is investigated that the ideal gas law and the Henry law are suitable for the process. Ethanol can't be separated from methanol with the NRTL or UNIQUAC property method.
分析了目前甲醇液相羰基化制醋酸的现状，综述了甲醇气相羰基化催化研究进展。
This review analyzes the situation of homogeneous carbonylation of methanol to produce acetic acid. The development of the catalysts for vapor-phase carbonylation of methanol were reviewed also.
甲醇液相氧化羰基化法是人们最早研究的非光气法d MC合成工艺，也是众多DMC合成方法中成本最低、最经济的工业路线。
The oxidative carbonylation of methanol route is one of the earliest phosgene-free synthetic routes of DMC, and it also contains the virtue of low cost which made it more economical.
方法：以硅胶管采集空气中甲基丙烯酸，用甲醇解吸后高效液相色谱测定。
Methods:Silica gel tube adsorption and solvent desorption were used for sampling of methacrylic acid and analysis was performed by HPLC.
采用含甲醇的水溶液，选择性地提取鲜淡菜中软骨藻酸，经离心、过滤等手段进行样品处理，在最优化的条件下进行液相色谱检测。
The method includes the selective extraction of domoic acid in fresh mussel, the pretreatment with centrifuge and filter, chromatographic analysis in the optimized conditions.
采用液相电解甲醇法，首次在钦合金表面沉积得到DLC膜。
A new method is developed to deposit DLC film on surface of ti alloy by liquid-deposition.
目的建立泽泻饮片甲醇提取液的高效液相指纹图谱，为其鉴别提供依据。
Objective A fingerprint of Rhizoma Alismatis Orientalitis'decoction pieces was established by HPLC- ELSD.
建立了以磷酸氢二钾-磷酸盐缓冲溶液中添加甲醇为流动相，以反相高效液相色谱同时测定吡啶、2-氨基吡啶、2-甲基吡啶和2-吡啶甲酸的新方法。
A new reversed phase high performance liquid chromatography method is described for the simultaneous determination of pyridine, 2-aminopyridine, 2-methylpyridine and 2-pyridinecarboxylic acid.
反应后蒸馏出多余甲醇，反应液相趁热过滤，分离出催化剂，然后将滤液静置过夜分层。
Distilling excessive menthol after reaction, filtering the liquid phase at a high temperature, separating the catalyst, stewing the filtrate for overnight stratification.
方法甲醇回流方法提取大黄素与大黄酚，高效液相色谱方法测定大黄素与大黄酚含量。
MethodsThe emodin and chrysophanol were extracted by means of methanol-reflux, the contents of emodin and chrysophanol were determined by HPLC method.
方法甲醇回流方法提取大黄素与大黄酚，高效液相色谱方法测定大黄素与大黄酚含量。
MethodsThe emodin and chrysophanol were extracted by means of methanol-reflux, the contents of emodin and chrysophanol were determined by HPLC method.
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