The method can improve the filtrating speed and the dewaxing oil yield but decrease the solvent ratio and the energy cost.
该方法提高脱蜡段过滤速度和脱蜡油收率,降低溶剂比,降低能耗。
RESULTS: The extraction rates was affected by extract solvent, extract times, Coccus - solvent ratio and extract temperature.
结果:乙醇浓度、提取次数、料液比和提取温度影响胭脂虫红酸提取效率。
The effects of the solvent ratio, the dilution solvent ratio and deoiling temperature on the slack wax deoiling were examined.
分别对溶剂比、稀释溶剂比和脱油温度进行了考察。
The source of PT acid in PTA, the crystal principle of PT acid and PTA, the variable factors cooling speed and solvent ratio in the crystal process were analysed.
分析了PTA中PT酸的来源,PT酸与PTA结晶过程的结晶原理,结晶过的可变因素冷却速度和溶剂比。
The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.
考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。
And discussed the reaction temperature, the ratio of reagent, the solvent concentration, reaction time on the production rate.
并讨论了反应温度、反应物的摩尔比、溶剂的用量、反应时间对产率的影响。
The precision ratio of solvent was confirmed, and feasible spread solvent was selected.
确定了溶剂的精确配比,选择了适宜的展开剂。
The better condition was confirmed by the orthogonal experiment with the factors: solvent, the molar ratio of monosaccharide and ester reagent, temperature and reaction time.
通过对反应溶剂的种类、多糖残基与酯化试剂的摩尔比、反应温度和时间等因素的正交实验,确定了较佳的硫酸酯化反应条件;
When the mass ratio of diamine A top -phenylenediamine reached 10 : 0 - 5 : 5, the resultant polymers were soluble in strong polar solvent.
当二胺A与对苯二胺的物质的量比例为10∶0~5∶5时,所得聚合物溶解于强极性溶剂。
The effects of temperature, solvent, material ratio and contact time on the yield were studied.
探讨了温度、溶剂、投料比和反应时间对收率的影响。
The influence of extraction temperature, static placing time, solvent burden ratio and flocculating agent on separation effect were discussed.
讨论了萃取温度、静置时间、溶剂配比和絮凝剂对分离效果的影响。
The selection of chromatographic column, flow rate of carrier gas, column temperature, solvent, sample size and the column ratio of sample and solvent were experimented.
并对色谱柱、载气流速、柱温溶剂、进样量等色谱条件的选择,以及试样与溶剂的体积比的选择进行了实验。
The OPPLC was prepared by solvent evaporation method using binding ratio of OP and phospholipid as evaluation parameter.
以OP与磷脂的复合率为评价标准,采用溶剂挥发法制备opplc。
Using NaSCN as solvent, acrylic fiber was produced by one-step wet spinning process. The effect of spinneret negative draw ratio on fiber formation was discussed.
采用硫氰酸钠为溶剂,湿纺一步法工艺生产腈纶,探讨了喷丝头负拉伸率对纤维成形的影响。
Concretely, the effect of different mol ratio, reacting time, reacting temperature, solvent styles, etc. on the reacting activation have been probed into.
研究了不同摩尔比、反应时间、反应温度、溶剂种类等对反应活性的影响。
The main factors affecting the reaction such as ratio of reactants, the catalyst (p toluenesulfonic acid), temperature and solvent were discussed.
探讨了硬脂酰氯和单宁酸的量比、催化剂对甲苯磺酸的用量、反应温度和溶剂等对合成的影响。
The results show that the influences of solvent, reaction time, and molar ratio of styrene to catalyst or TBHP on the reaction is very important.
研究结果表明,反应温度、反应时间、溶剂种类、氧源用量和催化剂用量等反应条件对苯乙烯环氧化反应具有重要影响。
The ratio of solvent to reactant to be hydrogenated was critical.
氢化苯甲酸甲酯和乙酯时,被氢化物与溶剂之比率很重要的。
The influence of experimental conditions such as reaction solvent, reaction temperature and molar ratio of reagents of synthesis were discussed.
研究了不同反应溶剂、反应温度、反应摩尔比对合成树脂转化率的影响,确定了树脂的最佳合成条件。
For solvent carotenoids extraction, the main affecting factors, such as solvent, grinding granularity, liquid-solid ratio, extracting times, temperature, and distilling time, were studied.
有机溶剂萃取研究中,对影响类胡萝卜素萃取率的各个因素,如提取溶剂、物料粒度、液料比、提取温度、提取次数、以及提取时间等分别进行了研究。
Phenolic resin having higher remaining carbon was synthesized. The influence of the molar ratio of formaldehyde and phenol, kinds of catalysts and solvent has been studied.
合成了高残碳酚醛树脂,研究了醛酚摩尔比、催化剂品种、溶剂对酚醛树脂残碳量的影响。
The effects of the ratio of reactants to organic solvent, reaction temperature and concentration of aqueous sodium hydroxide on the yield of trim-tolyl phosphate were investigated.
以该反应收率为目标,研究了反应物料与有机溶剂的配比、反应温度和碱液浓度等因素的影响。
The different lactide-co-glycolide ratio of the PLGA microspheres containing NET was prepared by a solvent-evaporation process.
二种组成比不同的丙交酯—乙交酯共聚物以溶剂挥发法制成含炔诺酮的微球。
The effect of process conditions, such as microwave, reactant ratio, catalyst and solvent etc, on the nucleophilic substitution and yield of product were investigated.
考察了微波技术、反应物料比、催化剂以及溶剂等主要条件对亲核取代反应和产物收率的影响。
The complex crystal ofm-cresol and urea has been firstly cultivated by using a mixed solvent including ethanol and THF at a proper ratio.
通过使用一定配比的乙醇和四氢呋喃作混合溶剂,第一次培养出尿素和间甲酚的复合物单晶。
Said detergent is a mixed solution made up by using diesel oil as solvent, petroleum asphalt as solute and mixing them in 1-15% of concentration ratio.
该洗涤剂是以柴油为溶剂,以石油沥青为溶质,按浓度1―15%的比例制成混合液。
The ratio of water relative to the total mass of the hydrocarbon solvent and water is not more than 30% by mass.
水相对于烃溶剂和水的总质量的比例为30质量%以下。
MPEG-PCL with different composition (MPEG/PCL ratio) were applied as emulsifier and drug carrier, respectively, in the solvent evaporation technique to fabricate taxol-loaded nanoparticles.
不同组分的MPEG-PCL分别作为乳化剂和药物载体,通过溶剂挥发法制备得到紫杉醇纳米粒。
The factors that affected the extraction of pumpkin polysaccharide included the ratio of material to solvent, extracting time, temperature and times of extracting.
影响南瓜多糖提取率的因素有:料液比、浸提时间、温度、提取次数。
The factors that affected the extraction of pumpkin polysaccharide included the ratio of material to solvent, extracting time, temperature and times of extracting.
影响南瓜多糖提取率的因素有:料液比、浸提时间、温度、提取次数。
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