查询词典 distillation method

The authors extracted the essential oils of Clove, Fennel and Cinnamon by steam distillation method and investigated their ration of antimicrobial, minimum inhibitory concentration, minimal bactericidal concentration.

天然植物精油具有良好的抑菌能力，在粮食天然保鲜剂的开发应用中具有良好的前景。

The distillation analysis, which is slow, harmful to human and would bring rather large error according to the used analyzing method, was used before in Coke Plant, Handan Iron and Steel Company for analysis of light benzene .

邯钢焦化厂的轻苯分析以往采用的是蒸馏分析法，其速度慢，分析时受方法的限制误差很大，且对人身体造成很大伤害。

For these reasons, aiming at the low temperature separate method of light hydrocarbon recovery, the simple and accurate SRK state equation has been used to calculate the components thermodynamic characters of natural gas. This paper simulates the units process of the light hydrocarbon recovey process such as flow mixer/spilliter, flash, pump, valve, compressor, expander, distillation and heat exchange etc., and give examples to contrast calculation for each unit process.

为此，针对轻烃回收低温分离法工艺，以简单、准确的SRK状态方程为热力学计算基础模型，对轻烃回收工艺中的流股混合器、流股分割器、等温闪蒸器、绝热闪蒸器、泵、节流阀、压缩机、膨胀机、精馏过程及换热器等单元过程进行了模拟，并对各单元过程进行了实例对比计算。

Huangmei DuiHua glutinons rice liquor is brewed with glutinous rice and pure mountain spring after a series of manual method distillation, rotten sealed and pottery cache.

黄梅堆花白酒是用纯糯米、山泉水为原料，用柴火蒸馏、烂泥封存、陶器窖藏等一系列手工方法酿造。

Based on the traditional mechanical model the buble point method of three diagonal matrix, an neural network model of gas-liquid equilibrium computation for liquid air, which makes system presure P and equilibrium component of liquid phrase x1,x2,x3 as input nodes makes system temperature T, equilibrium component of gas nitrogen y1, equilibrium constant of argon and oxygen k2, k3 as output nodes, insteads of the buble point computation of the three diagonal matrix , thus a improved distillation model is built.

在传统的机理模型三对角矩阵法中的泡点法基础上，将体系压力P，平衡液相组成x1， x2， x3 为输入节点体系温度T ，平衡汽相氮组成y1 及氩、氧的相平衡常数k2， k3 为输出节点的神经网络液体空气汽液平衡计算模型，取代三对角矩阵法中泡点计算，从而建立改进的精馏塔模型改进模型用于空分塔的模拟计算，不仅计算速度快，计算结果与机理模型结果非常接近，且符合设计要求，对实现产品质量的在线监控具有一定的指导意义

This article researched the sulphites determining in aquatic products by the method of distillation and titration and colorimetry.

分别使用蒸馏滴定法和浸泡比色法对冻虾仁等水产品中亚硫酸盐的残留量测定进行了研究。

It first uses the product drawing plate temperature from the crude distillation column and its oil partial pressure to calculate the whole boiling range of the side products, and utilizes the Packie curve method to calculate the separation accuracy between the fractions, and thus building the process mechanism based qualities on—line calculation models.

并首次使用原油蒸馏塔产品抽出层温度及其油气分压来计算各侧线产品的全馏程，还利用Packie曲线法来计算各馏分油之间的分离精度，从而建立了基于工艺机理的质量在线计算模型。

Further, based on the improved shiftwork targeting method, integrated exergy grand composite curve of distillation column and the top-level analysis approach to low-temperature process system are combined and extend to form the overall energy integration strategy of the low-temperature separation process.

面向低温分离过程系统的能量优化综合问题，基于复杂蒸馏塔的用能剖面分析法，提出了蒸馏塔集成的有效能总组合曲线，用以指导蒸馏塔的集成：并以此为核心工具，结合改进轴功目标法，发展了低温分离过程系统的整体能量集成策略，用于指导以减少冷冻系统轴功为目标的低温分离过程系统与低温背景过程的整体集成。

The oil content in recovered furfural of lube oil refining was determined by gravimetric method. The selected determination conditions of extracting agent petroleum ether, sample of the first/second fraction of vacuum distillation, corresponding oven temperature and drying time were 20 mL, 10 g,(93±2)℃/(103±2)℃ and 26 minutes respectively.

应用重量法对润滑油精制回收糠醛溶剂中油含量的测定方法进行了研究，选定的测定条件为：萃取剂石油醚的用量为20mL，试样的称取量以10g为宜，相应的烘箱温度控制在(93±2)℃/(103±2)℃，烘干26min。

Supercritical fluid extraction technology different from the traditional steam distillation and organic solvent extraction method is a new, highly efficient, energy-efficient, and clean the oil extraction technology.

超临界流体萃取技术有别于传统的水蒸气蒸馏法和有机溶剂萃取法，是新兴的、高效的、节能的和洁净的精油萃取技术。

Foods high in this vitamin include oily fish such as salmon, tuna and, and fish liver oils.

维生素D含量高的食物包括诸如大麻哈鱼、金枪鱼和鲭鱼之类的油鱼以及鱼肝油。

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