萃取的

A process based upon solvent extraction has been developed for the recovery of phosphoric acid from a leaching liquor obtained by decomposition of phosphate rock with sulfuric acid.

本文采用二丁基亚砜作为萃取剂，对于用硫酸分解磷矿而得的粗磷酸进行多级逆流萃取及反萃取，以获得高纯度的磷酸和磷酸盐。

Fennel oil was isolated by supercritical fluid extraction using CO2, and then followed by a two-stage fractional separation .

本文介绍从小茴香子中采用超临界CO2萃取和分级分离富含精油和富含脂油两种产品的工艺可行性，探讨了采用不同规模的超临界苹取装置萃取过程对萃取物组成、风味和CO2消耗量的影响以及第一分离罐的分离压力对两种产品产率的影响。

Results The optimal process conditions for supercritical CO2 extraction were: the pressure of 25 MPa, the temperature at 45℃ and CO2 flowing rate at 20 L/h, under these conditions the yield of volatile oil in Heracleum hemsleyanum Diels reached 0.65%.

结果超临界CO2萃取最佳工艺条件为：萃取压力25 MPa，萃取温度45℃，CO2流量20 L/h，在此条件下牛尾独活挥发油的收率为0.65%。

The extraction temperature, extraction pressure and separation pressure all have significant effects on the extraction rate of indirubin.

萃取温度、萃取压力及分离压力对大青叶中靛玉红的萃取都有显著影响。

Ethanolic extract of Polygonum cuspidatum, aqueous extract of Centella asiatica and Ocimum gratissimum at 1.25 μg/mL were simultaneously provided with the protective capacity on lipid peroxidation and protein oxidation, but could not prolong the lag phase of LDL.

虎杖乙醇萃取物、含殻草水萃取物、印度罗勒水萃取物在1.25 μg/mL 同时可保护脂质过氧化和蛋白质氧化的发生，但对LDL迟滞期是没有延长效果。

Compared with Soxhlet extraction and ultrasonic extraction, microwave-assisted extraction is more efficient.

对比了密闭微波萃取同索氏萃取和超声萃取丹参有效成分的差异。

Experimental results show that: SFE-CO2 is the best, and the optimum technological condition of extracting oil from celery seeds was defined: particle size 60 meshes, temperature 45℃, working pressure 20 MPa, CO2 flow 15 L/h, operating time 2 h.

结果表明：超临界萃取优于常规方法，并确定了超临界CO2萃取芹菜籽精油的最佳工艺条件为：原料粒度60目，温度45℃，压力20 MPa，流量15L/h，萃取时间2h。

Twenty tobacco transgenic plants were screened for the expression of the hLf gene: 1g of fresh weight of transgenic leaf tissue was ground in liquid nitrogen and total soluble proteins were extracted. The following figure shows the Western analysis of the total soluble protein extract from transgenic leaves (1. concentrated protein extract; 2. milk hLf. The position of protein standards is shown on the left).

以20棵基因转殖菸草，筛选hLf基因的表现，取一克新鲜的转殖叶片组织於液态氮中研磨，以萃取所有可溶性蛋白，右图显示将这些由转殖叶片萃取之蛋白进行西方墨点分析的结果样本1为浓缩之蛋白萃取液，样本2为牛奶的hLf，而标准蛋白质(marker位於左侧。

Twenty tobacco transgenic plants were screened for the expression of the hLf gene: 1g of fresh weight of transgenic leaf tissue was ground in liquid nitrogen and total soluble proteins were extracted. The following figure shows the Western analysis of the total soluble protein extract from transgenicleaves (1. concentrated protein extract; 2. milk hLf. The position of protein standards is shown on the left).

以20棵基因转殖菸草，筛选hLf基因的表现，取一克新鲜的转殖叶片组织於液态氮中研磨，以萃取所有可溶性蛋白，右图显示将这些由转殖叶片萃取之蛋白进行西方墨点分析的结果样本1为浓缩之蛋白萃取液，样本2为牛奶的hLf，而标准蛋白质(marker位於左侧。

A study based on the separation of tall oil with supercritical carbon dioxide extraction was carried out. The author found the optimum extractive condition of the acid of tall oil at the feasible temperature, pressure, flux of carbon dioxide and time, analyzed the acid and confirmed their composition.

以工业妥尔油为原料，通过超临界二氧化碳萃取方法，在适宜的温度、压力、二氧化碳流量和时间等条件下，进行了塔尔油主要成分的分离；确定了最优化萃取工艺条件；对萃取物的主要成分进行了分析；从萃余物中提取出粗植物甾醇，粗植物甾醇经进一步的精制得到高纯度的β-谷甾醇。

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。