查询词典 distillation

The volatile compounds of Boletus edulis were isolated using simultaneous distillation and extraction.

运用同时蒸馏萃取法提取美味牛肝菌的风味物质。

Major research work and conclusions are summarized as follows:1 The development of molecular distillation are reviewed in respect of the principle, model research and application; The technical and structure parameters are analyzed with respect to the evaporation rate and separation factor.2 Based on analysis of heat transfer and mass transfer process in WFMD, the discretization forms of bow wave ordinary differential equations and film partial differential equations are obtained with Runge-Kutta method and finite difference method respectively.

主要工作与研究结果如下： 1 综述分子蒸馏技术的应用及其发展现状，从分子蒸馏技术的原理、模型研究及其应用的发展等进行了系统评述；并结合蒸发速率和分离效率这两个评价分子蒸馏效果的重要指标，对刮膜分子蒸馏器工艺参数与结构参数进行了分析与讨论。

The knowledge about crystal, distillation, brewage, dye and so on existed in the Vinayapitaka separately.

在化学方面，佛藏文献中的化学内容极为零散，律藏部分有与结晶、蒸馏酿造、染料等方面有关的内容。

Further refining of acetic acid at a low concentration range wouled bring a bout a great increase in theoretical stages for distillation.

在较低乙酸浓度范围内，进一步精制乙酸，采用精馏方法所需理论级数大大增加。

In chapter 3, in view of the control problems of the distillation columns in the butadiene plant, the advanced control strategy based on soft-sensing technology is designed, and the implementing method based on OPC technology is proposed. Firstly, the control system is reconstructed.

第3 章针对某石化企业丁二烯装置的精馏工段中组分浓度的控制难题，设计了基于软测量技术的先进控制方案，提出了基于OPC 技术的先进控制实现方法。

The dehydration technology of bischofite by butanol complexation distillation was studied by such methods as X-ray diffraction and elementary analysis.

采用X射线衍射及元素分析方法研究了水氯镁石的丁醇络合蒸馏脱水工艺。

And propanol and butanol formed from distillation of fermented liquors.

戊醇、丙醇和丁醇的混合物，由发酵醪液蒸馏形成。

Calcium carbide and acetylene distillation process was simulated and optimized, which is instructive for the industrial production and expansion of current VCM equipment.

电石乙炔法分馏系统的工艺流程的全过程模拟和优化，对工业生产和VCM装置的扩建具有实际指导作用。

For this reason, the distillation, calorific value and viscidity of the tar are analyzed and studied in this paper.

为此，本文主要对净化系统后焦油的馏程、热值、粘度等热物理特性进行了大量的实验分析和研究。

Steam distillation essential oil principal constituent is bornyl acetate, borneol,2,3-dimethyl-bicyclo , hept-2-ene,caryophyllene,camphene,d-d-cadinene,?

水蒸气蒸馏所得的冷杉精油主要成分为：乙酸龙脑酯，龙脑，2，3-二甲基-双环[2.2.1]-庚-2-烯，石竹烯，莰烯，杜松烯，？

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。