查询词典 distillation method

The antimicrobial test and researched was done on wide distillation of different solvents on Terpenoid, polarity separation of ethanol distillable substance, thin layer chromatography of different polarities and distillation of amylase. The results showed that the active substance distilled by 95% ethanol and V methanol: toluene=3:1 had stronger antimicrobial activity on Agaricus blazei Murrill. The antimicrobial activity of ethyl acetate was stronger than wide distilling substance with ethanol, but the water part has not antimicrobial effect. Two straps of ethyl acetate phase（Rf0.57、Rf0.63）(0.1g/ml)had stronger antimicrobial activity on Agaricus blazei Murrill, the antimicrobial zone on Pseudomonas was 19.3mm. The bacteriostatic activity of chromatography strap of water phase was rather weaker, the water solution (0.5g/g) of amylase had better effect on pathogenic fungus of Agaricus blazei Murrill, its antimicrobial zone on Aspergillus niger, Citrinin, Trichoderma viride were 10.8 mm, 7.9 mm, 5.3 mm.

通过对日本凹顶藻以不同溶剂的粗提、乙醇提取物的极性分离、不同极性的薄层层析和多糖的提取，进行抗菌试验的研究，发现95%乙醇和V甲醇：甲苯为3∶1的提取的活性物质具有较强的抗姬松茸的病原细菌活性，乙酸乙酯相对病原细菌的抑菌强于乙醇的粗提物，而水相基本无抑菌效果，乙酸乙酯相的两个带（Rf0.57、Rf0.63）浓度为0.1g/ml具有较强抗姬松茸病原细菌的活性，对假单孢杆菌抑菌圈达到19.3mm，水相层析带的抑菌活性较弱，多糖的粗提物配成0.25g/g的水溶液对姬松茸病原真菌有较好的抑菌效果对黑曲霉、桔青霉和绿色木霉的抑菌圈分别达到10.8 mm、7.9 mm、5.3 mm。

On the assumption that the boiling point is changing sequentially in the distillation progress, the Engler distillation curve is simulated a function of temperature, and the vapor pressure of liquid paraffin is a function of temperature and ratio of carrying out.

假设石蜡油在连续蒸出时，沸点连续变化，将恩氏曲线回归成函数，液体石蜡油的蒸汽压可以看成是温度和带出量的函数，利用烃类特性因数、沸点与蒸汽压的关系计算机迭代求解，计算可得到设定温度下的石蜡油不同馏出体积比时的蒸汽压。

The research shows that the cement grinding aid can be made from the waste materials of chemical works such as glyceric distillation residue and compound glyceric distillation residue.

研究表明：利用轻化工厂甘油蒸馏残渣、复合甘油蒸馏残渣等下脚料做水泥助磨剂，能取得与三乙醇胺、三醋酸甘油酯相同的效果，且成本前者较后者低。

In order to achieve a rapid and accurate selection for extractive distillation solvent, and to acquire 1,2,3-trimethylbenzene with high purity from solvent oil via extractive distillation, the UNIFAC model was used to calculate the relative volatility of 1,2,3-trimethylbenzene to indane (the mass ratio of 1,2,3-trimethylbenzene to indane is 4∶1) in five different solvents, acetophenone, di-2-octylhexyl phthalate, glycol, dimethyl sulfoxide,sulfolane at 17.47 kPa.

为了快速准确地选择萃取精馏溶剂，由190#溶剂油萃取精馏获取高纯度连三甲苯，运用UNIFAC模型，计算了质量比为4∶1的连三甲苯-茚满体系在苯乙酮、乙二醇、邻苯二甲酸二辛酯、二甲基亚砜和环丁砜5种溶剂中在17.47 kPa下的相对挥发度。

Molecular laser follows in ArF (193 Nm) and laser of solid of Nd ∶ YAG (213 Nm) differs two kinds the laser of wavelengh denudes in the system, factor of elemental fractional distillation all compares groovy mode to fall to be close to more at 1, make clear use medium to hold back discharge to be opposite gas collosol beforehand effect of fractional distillation of the element after ionization is able to restrain effectively.

在ArF准分子激光(193 nm)和Nd∶YAG固体激光(213 nm)两种不同波长的激光剥蚀系统中，元素分馏因子均比常规模式下更接近于1，表明采用介质阻挡放电对气溶胶预电离后元素分馏效应得以有效抑制。

In this paper, on the base of powerful calculation and diagramming ability of MATLAB, the typical examples in distillation are analyzed and the corresponding ideas and methods of computer-aided calculation in distillation are given.

本文利用MATLAB语言强大的运算与图形表达功能，通过剖析精馏计算过程中的典型例题，给出了计算机辅助计算精馏过程的具体思路和方法。

This paper aimed at the Daqing region based sauce, sweet paraffin base crude oil, the main tasks and objectives will be: 4 million tons / year, 330 days a year, total starts, top of the tower to take heat, the first mid-back to take heat, second heat to take the middle back the distribution of 5:2:3, based on the given crude true boiling point distillation data and products Engler distillation data to calculate the product of various complex decision to cut the program data to calculate the product yield, full-tower heat balance calculation, rendering the whole tower of steam , liquid load distribution.

本文设汁主要针对大庆地区低硫石蜡基原油，主要任务及目标为：400万吨/年，按每年开工330天计，塔顶取热、第一中段回流取热、第二中段回流取热分配为 5：2：3，依据所给的原油实沸点蒸馏数据及产品的恩氏蒸馏数据，计算产品的各物性数据决定切割方案，计算产品收率，进行全塔热平衡计算，绘制全塔汽、液相负荷分布图。

Based on the fundamental of distillation, MESH model including equations of mass balance, phase equilibrium, mole fraction summations and heat balance for atmosphere-vacuum distillation column was established. The key parameter such as temperature and pressure of product was obtained through solution of the model on Pro/Ⅱ platform. The comparison of simulation results with requirement of spot technology was analyzed.

基于蒸馏原理，对常减压蒸馏塔建立包含质量平衡、相平衡、摩尔分数归一化和能量平衡等方程构成的MESH模型，在Pro/Ⅱ平台上进行流程模拟，获得各塔侧线产品的温度和压力等关键参数，并与现场工艺要求进行对比。

Based on the fundamental of distillation,MESH model including equations of mass balance,phase equilibrium,mole fraction summations and heat balance for atmosphere-vacuum distillation column was established.

稳态流程与时间无关，是化工流程模拟中应用最为普遍的重要技术之一，需要建立质量平衡、相平衡、摩尔分数归一化和能量平衡等(MESH—Massbalances，Equilibrium relations，mole fractionSummations and Heat balances)方程构成的数学模型来描述其工艺流程中状态参数的分布情况[6，8-9]。

Vacuum transfer line is one of the most important pipelines of atmospheric vacuum distillation plant which starts from the exit of heaters and extends to entrance of distillation tower.

减压转油线是炼油厂常减压蒸馏装置中加热炉出口到蒸馏塔底入口的管道，它是炼油装置中最重要的管道之一。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48