溶剂用量
- 网络Solvent dosage;Solvent Quantity
![溶剂用量](../cache/1173305.jpg)
-
实验考察了反应温度、C4空速、溶剂用量及副产物对水合反应的影响。
The effects of reaction temperature , space velocity , solvent amount , and by-products on hydration reaction are investigated .
-
结果优选出提取工艺:溶剂用量17倍,浸泡时间为1h,提取时间为1h。
Results The optimum extraction procedure was as follows : 17-fold solvent , dipping time 1h , extraction time 1h .
-
讨论了原料NCO/OH值、反应温度与时间、扩链剂用量、溶剂用量对乳液稳定性的影响,并用TEM和FT-IR对乳液进行了结构表征。
The effects of NCO / OH ratio , reaction temperature , chain expand and solvent on the emulsion stability were discussed in detail .
-
方法采用正交试验法,以乙醇浓度(A)、溶剂用量(B)、提取时间(C)为考察因素,每个因素设立3个水平进行试验。
Methods An orthogonal test method was used to evaluate the concentration of alcohol ( A ), solvent volume ( B ) and extraction time ( C ) . Each of them was tested at three levels .
-
结果SFE法不仅溶剂用量较少,提取率高,而且含固量低。
RESULT SFE method required only small amount of solvent , with high extraction rate and low content of solid .
-
结果虽然SFE法的提取率不高,但其提取溶剂用量较少、萃取产物含固量低。
RESULT Though its extradionrateis lower , but SFE method required relatively less solvent and low content of solid substances .
-
在制备纳米MgO过程中,溶剂用量、反应温度和柠檬酸用量对凝胶时间和晶粒都有不同程度的影响。
In the process of MgO preparation , the amount of solvent , reaction temperature and the amount of citric acid have varying effects on gel time and crystallite size .
-
结果优化出的最佳鲜鸡肠提取工艺条件为:溶剂用量2倍,提取2次,每次1h。
Results The optimized extraction condition of fresh chicken intestine was as follows : 1 h , 2 times amount of dissolvant at 100 ℃ water bath for two times .
-
探讨了提取溶剂用量、提取温度、提取时间、超声作用方式、超声功率和频率对超声提取海藻油(以EPA为指标)的影响。
The effects of extraction , the amount of the solvent , temperature , extraction time , power and frequency of ultrasound were explored , and the condition of process was optimized .
-
提取工艺:采用L9(34)正交实验,考察乙醇浓度、溶剂用量、提取时间和提取温度等影响因素;
Extraction technology : The concentration of ethanol , quantity of ethanol , time and temperature of extraction were investigated through orthogonal tests of L9 ( 34 ) .
-
以天然植物油为原料,碱异构化合成CLA。研究了反应时间、反应温度、溶剂用量、天然植物油用量等因素对CLA转化率的影响。
Effects of reaction time , reaction temperature , dosage of solvent and natural vegetable oil on transformation rate of CLA by alkali isomerization with natural vegetable oil as the material were studied .
-
研究NCO/OH摩尔比、封端剂用量、PBA相对分子质量、存放时间以及助溶剂用量对胶粘剂性能的影响。
The effect of NCO / OH molar ratio , amount of end-capper , PBA molecular weight , storage period and solvent content on properties of aqueous adhesive was studied .
-
与传统萃取技术相比,ASE技术具有操作简单、萃取效率高、萃取时间短、回收率高、所需溶剂用量少、对环境二次污染小等优势。
Comparing to the typical extraction method , ASE is easy to operate with high efficiency and short timing and high recovery rate and less solvent , which decrease the second environmental pollution .
-
合成了丙烯酸类共聚破乳剂,研究了温度、溶剂用量、时间和单体配比、引发剂用量、pH调节剂用量、有无阻聚剂等因素对反应的影响。
We have synthesized demulsifier of acrylic acid series with method of copolymerization , and studied the factors of influence for reaction as to temperature , dosage of solvent , time , dosage of monomer , dosage of solicitation , dosage of pH regulator , have or not polymerization inhibitor .
-
以TS-1为催化剂,环己烯和H2O2为底物催化环氧化合成环氧环己烷,采用单因素实验,重点考察了催化剂用量、烯氧摩尔比、反应温度、反应时间和溶剂用量等对环氧化反应的影响。
Major factors of the epoxidation , which includes the amount of catalyst , molar ratio of oxygene , reaction temperature , reaction time and solvent consumption , etc , are studied by the method of single factor test .
-
方法:采用正交试验法,优选药材浸提分离工艺、增溶剂用量及最适宜pH值,同时采用TLC、TLCS法建立定性定量方法。
METHOD : Orthogonal test was employed to decide on the best drug material processing techniques and the most suitable pH value for the dosage of solubilizing agent . TLC and TLCS methods were used to establish methods for determining quantity and quality .
-
喜树叶中水溶性糖的提取最优方案是A3C2B3,即溶剂用量为60ml,提取温度80℃,提取时间60min;
The best scheme of extracting soluble sugar from Camptotheca acuminata Decne leaves is A 3C 2B 3 : solvent volume 60ml , extracting temperature 80 ℃ and extracting time 60min ;
-
用硝酸铕、水杨酸与邻菲罗啉为原料合成了配合物Eu(Sal)2(phen)2(NO3),考察了配体用量和溶剂用量等因素对反应的影响。
The complex Eu ( Sal ) 2 ( phen ) 2 ( NO3 ) was synthesized with Eu ( NO3 ) 3 , salicylic acid and 1,10-phenanthroline as raw materials . The factors influencing on the reaction , such as the amount of ligand and solvent were investigated .
-
溶剂用量依次为10、8、8倍,提取时间依次为1.5、1.0、1.0h,结论:验证试验结果表明,优选出的SBE工艺条件稳定、可行,优于原SBE工艺条件。
The solvent volume was 10,8,8 times , respectively , and the extraction time was 1.5,1.0,1.0 h , respectively . CONCLUSION : The optimum extraction conditions are stable and practicable , and surpass the original SBE extraction conditions .
-
本方法工艺简单、环境污染小、溶剂用量少、预处理时间短。
The amount of solvent used in the pretreatment were little .
-
操作简便,有机溶剂用量很少。
The procedure is simple and requires little organic solvents .
-
而溶剂用量与提取时间则无明显影响。
Time of extraction and the amount of solvent had no obvious effect .
-
前处理方法简单快捷,有机溶剂用量少。
The pretreatment method was simple , sensitive and less organic solvent consumption . 2 .
-
建议用于溶剂用量少的涂料。
Resin recommended for low solvent coatings .
-
对催化剂用量、溶剂用量、反应时间进行了确定。
We determined the amount of catalyst , the amount of solvent and reaction time .
-
讨论了导电填料、石墨和溶剂用量对涂料性能的影响。
The influences of amount of conductive fillers , graphite and solvent on the coatings performance were discussed .
-
色谱法溶剂用量大,柱负荷低;
The amount of solvent is large , and the column capacity is low for the chromatography method .
-
讨论了物料配比、温度、反应时间、溶剂用量等因素对反应的影响。
The effects of reactant ratio , temperature , time , and solvents on the reaction were exam-ined .
-
但是含氟药物合成反应的溶剂用量大,回收不完全,从而污染环境。
But the synthetic reaction needs large quantity of solvent and the recovery of solvent can not be complete .
-
随着溶剂用量的增加,反应浙江大学硕士学位论文过程中的凝胶效应减弱,溶剂的链转移增强,树脂的分子量降低,分子量分布变窄。
Increasing the solvent content can weaken the gel effect and decreases MW of the resin while MWD become narrowed .