正丙醇
- 网络N-Propanol;n-propyl alcohol;NPA;n-PrOH
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方法采用HP-624毛细管柱,顶空进样法,FID检测器,以正丙醇为内标进行测定。
METHODS The samples were injected into HP-624 capillary column by headspace sampling and analyzed by using n-propanol as internal standard with FID detector .
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为验证本文模型,作者采用显微激光全息干涉技术对甲醇、乙醇、正丙醇静止吸收CO2时的界面浓度进行了测定,实验结果表明了本文模型的正确性。
The CO_2 interfacial concentration on the liquid side in stationary absorption by pure methanol , ethanol and n-propanol absorbent respectively were measured by using micro laser holographic interference technique to validate the model proposed . The experimental values were in good agreement with the calculated ones .
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流动相:3%(V/V)正丙醇及超临界CO2流体;
Mobile phase : 3 % ( V / V ) propanol-1 in CO2 ;
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荧光法测定正丙醇在AEO9胶束体系中的分配性
Determination of Distribution of Propanol in AEO_9 Micelle by Fluorimetric Method
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利用工业硫酸钛液,添加正丙醇,通过水热法制备出粒度分布较窄、单分散性较好,平均粒径86nm左右、形貌较为规则的正六边形的锐钛矿型TiO2纳米粒子;
The TiO2 fine particles with an average grain size of 86 nm were prepared through hydrothermal reaction of the industrial titanium sulphate solution by adding the CH3CH2CH2OH ;
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举水+DMF(二甲基甲酰胺),正丙醇+DMF,水+正丙醇体系推算水+DMF+正丙醇三元体系为例,并与POWELL法比较。
DMF + water + 1-propanol VLE system was taken as an example , and the results were compared with those of POWELL method .
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用电化学循环伏安研究了酸性介质中4种有机小分子伯醇(甲醇、乙醇、正丙醇和正丁醇)在Pt电极上吸附和氧化过程。
The processes of adsorption and oxidation of C1 to C4 primary alcohols ( methanol , ethanol , propanol , 1-butanol ) in acid media on Pt electrode were studied by using cyclic voltammetry .
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结果表明,TPAOH容易分解为三正丙胺和正丙醇;
Results showed that TPAOH was easy to be decomposed ton-tripropylamine and propanol .
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本文以没食子酸、正丙醇、正丁醇和十二醇为原料,对甲苯磺酸为催化剂,4A分子筛作干燥剂在微波辐射下先后合成了没食子酸丙酯、没食子酸正丁酯与没食子酸月桂酯。
The Propyl Gallate Butyl Gallate and Dodecyl Gallate were synthesized by gallic acid with propyl alcohol butyl alcohol and dodecanol catalyzed by p-toluenesulfonic acid dehydration by molecular sieves 4A under microwave irradiation .
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采用大口径毛细管柱(18m×0.53mm)进样分析白酒时,乙酸乙酯首先检出,正丙醇随后检出;
Sample injection analysis of liquor was done by large caliber capillary column ( 18 m × 0.53 mm ) .
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选择正丙醇作为溶剂,反应5h后的转化率为732%,可以达到常压一步法反应8h所达到的转化率。
Conversion rate of lanolin in propyl alcohol reached 73.2 % after reacting for 5 h. It was as high as the conversion rate after reacting 8 h under atmospheric pressure without the solvent .
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采用顶空气相色谱法,用DB-FFAP大口径毛细管柱,以正丙醇为内标进行定量。
Using methods which headspace analysis with DB-FFAP wide bore capillary column and n-propanol as the internal standard .
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研究发现,向水溶液中加入乙醇或正丙醇使混合溶剂变成T1107更好的溶剂,疏水作用减小,cmc增大。
The addition of ethanol or n-propanol into water results in better solvent conditions for T1107 ; they decrease the hydrophobic interaction and lead to an increase of cmc .
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方法:采用水溶液顶空和固体顶空2种气相色谱法,用AC-20石英毛细管色谱柱,以正丙醇为内标进行定量。
Methods : Using two methods which were solution headspace analysis and solid headspace analysis with AC-20 capillary column and n - propanol as internal standard .
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通过培养基正交试验及正丙醇的耐受性试验得到了一个优化工艺,使F1-57的发酵水平有了进一步的提高。
Furthermore , the medium cross-out test and test on tolerance of propyl alcohol further improves the fermentation yield of the strain F1-57 .
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采用Pitzer方程计算富水相中水的活度,用NRTL方程计算富正丙醇或异丙醇相中水的活度,将二者结合对液液相平衡数据进行理论计算。
The liquid-liquid equilibrium data was carried out by using the Pitzer model to get water activity in the water-rich phase , and by the NRTL model for the 1-propanol-rich phase ( or 2-propanol-rich phase ) .
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在摇瓶培养过程中,发酵初期加入正丙醇可使红霉素的效价提高49.31%,正丙醇提高了丙酸激酶的比活力,表现出对该酶诱导作用,而对丙酰CoA合成酶比活力无影响。
Addition of propanol during erythromycin fermentation with in shake flask improved the titer by 49.3 % . Propanol was found to increase the specific activity of propionate kinase , but it had no ( influence ) on the specific activity of propionyl-CoA synthetase .
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结果表明,没食子酸、正丙醇和硫酸氢钠摩尔比为1∶14∶0.058,反应时间5h是最佳的反应条件,酯收率达93.8%。
The optimal reaction conditions were determined as follows : the molar ratio of gallic acid / n-propyl alcohol / sodium bisulfate was 1 / 14 / 0.058 , in the reaction of 5 h a propyl gallate yield of about 93.8 % could be obtained .
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流动相含10%正丙醇时,萘普生对映体和布洛芬对映体达到完全分离应控制的最高温度分别为298和288K。
When naproxen and ibuprofen enantiomers were entirely separated by the mobile phase containing 1.0 % 1-propanol , the maximum temperatures allowed were 298 K and 288 K , respectively .
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利用高里德堡态氢原子飞行时间(HRTOF)探测技术,研究了正丙醇和异丙醇的紫外光解动力学过程。
Nm photodissociation dynamics of jet cooled 1 propanol and 2 propanol has been examined by using high n Rydberg atom time of flight ( HRTOF ) technique .
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正丙醇-水-乙酸钾体系汽液平衡数据的测定及关联
Vapor liquid Equilibrium Data for System 1 Propanol water potassium Acetate
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去除正丙醇提高糖蜜酒精质量
Removal of Normal Propyl Alcohol to Improve Molasses Alcohol Quality
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磁场对乙醇-水、正丙醇-水体系汽液平衡的影响
Effect of Magnetic Field on Vapor-Liquid Equilibrium for Ethanol-Water and 1-Propanol-Water System
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气相色谱法分析丙醛加氢制备正丙醇的过程产物
Determination of propanal hydrogenation process product propanol by gaschromatography
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氯仿-正丙醇及其含盐体系的汽液平衡
VLE data for chloroform-n-propanol and its system containing salt
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Cu/SiO2催化剂上苯胺和正丙醇高效合成N-丙基苯胺
Efficient Synthesis of N-Propyl Aniline from Aniline and 1-Propanol over Cu / SiO2 Catalyst
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气相色谱法测定糖蜜酒精中的甲醇、正丙醇和杂醇油
Detection of Methanol , n-propanol and Fusel Oil in Molasses Alcohol by Gas Chromatography
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四苯硼钾从水到水&正丙醇混合溶剂中的标准迁移自由能
Standard Gibbs free energy of transfer of potassium tetraphenylborate from water to mixed solvents of water-1-propanol
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正丙醇、铜离子、烟酰胺对红霉素合成的作用
Effects of Propanol , Cu ~ ( 2 + ) and Niacinamide on Biosynthesis of Erythromycin
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葡萄酒中的苦味是由异戊醇与正丙醇失去平衡造成等等。
The disequilibrium of isoamylol and normal propyl alcohol directly caused the bitterness in grape wine etc.