分馏法

The fraction of benzyl benzoate and fluorenone were enriched from benzoic acid residua by flash distillation,then separated by vacuum batch distillation,so the recovery of benzoic acid residua was implemented.

依据相关文献确定了通过闪蒸法富集苯甲酸釜残液中的苯甲酸苄酯和芴酮馏分，其后减压间歇精馏分离富集馏分，实现了苯甲酸釜残液的回收利用。

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。

From the gas chrom atography, report th e percentages of lim onene and carvone in

和香芹酮的百分含。用蒸馏法分这些组份的效有多高呢？在任何一个馏

Fractional distillation is a physical method which cannot decompose compounds.

分馏法只属物理方法，不能分解化合物。

A new calculation method, Lagrangian interpolation, is proposed to predict the ASTM D86 data, densities and yields of naphtha and light gas oil after the adjustment of naphtha end point in the operation of FCC main fractionator.

利用拉格朗日插值法在FCC主分馏塔的汽油干点调整后，对汽油和柴油恩氏蒸馏数据、密度和流量等的相应变化进行预测。

Argon provides an inert gas shield in welding and brazing, in lightbulbs and lasers, in Geiger counter s, and in the production and fabrication of certain metals.

氩是以液态空气分馏法大规模分离制备的，已用于为电灯泡、电子管和盖格计数器充气。

Biocell Laboratories, Inc has four decades of expertise in the fractionation and purification of human and animal serum proteins and is currently the only U.S. producer of bovine serum albumin and bovine gamma globulin utilizing the Cohn Cold Ethanol Precipitation Process.

Biocell实验室，公司在人类和动物血清蛋白的分馏和提纯上有四十年的经验，目前是美国利用科恩的冷乙醇沉淀法生产牛血清白蛋白和牛丙种球蛋白唯一生产商。

In the past several decades, great achievements have been made by the marine foraminiferal boron isotope researches on the following aspects: analytical techniques, offsets between laboratories, isotopic fractionation factor, long-term changes in seawater boron isotopic compositions and vital effects.

最近，海洋浮游有孔虫硼同位素的研究在实验分析技术、实验室偏差、同位素分馏系数、海水硼同位素长期变化以及各种次要因素等方面都取得了长足的进步，尤其是全蒸发负热电离质谱法的建立使硼同位素分析的样品需求量降到纳克级以下。

At present the company mainly engaged in natural fatty alcohol products (C8-10, C12-14, C16-18 and various pure distillate), fatty alcohol polyoxyethylene ether, the basic sub-nonyl polyoxyethylene ether, polyethylene glycol and penetrant series over 100 varieties and zinc powder Insurance Law, Insurance Law sodium powder, hair bleaching agent, carved white block , carved white zinc, zinc oxide, zinc borate, sulfur dioxide and so on.

目前公司主要经营产品有天然脂肪醇（C8-10、C12-14、C16-18及各种纯馏分）、脂肪醇聚氧乙烯醚（AEO、OS及平平加O）、壬基本分聚氧乙烯醚、聚乙二醇和渗透剂系列100多个品种和锌粉法保险粉、甲酸钠法保险粉、漂毛剂、雕白块、雕白锌、氧化锌、硼酸锌、二氧化硫等。

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。

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。