萃取的

A detail procedure for extracting aloin from fresh aloe leaves was developed by using an obturated microwave-assisted extraction device with a pressure controlling unit.

应用密闭微波萃取装置对芦荟中的有效成分芦荟甙进行了微波萃取研究，并利用透射电子显微镜对微波萃取机理进行了初步探讨。

The optimum supercritical fluid extraction was 10% ethanol and 5% tween-80 as the entrainer,the pressure 30 MPa, temperature at 55℃, and extracting time 1.5 h.

在本实验条件下，丹参的超临界萃取最佳工艺为：夹带剂选择10%乙醇+5%吐温-80，用量与药材相等，萃取温度55℃，压力30 MPa，萃取时间1.5 h。

The influence of the concentration of the extractant PSO3e and medium HCl on the extraction rate of Au3+ was studied in this paper.

研究了石油亚砜PSO3e萃取Au3+时，萃取剂浓度、盐酸浓度对萃取率的影响。

The results show that the inhibition included both reversible and irreversible process. The optimal solvent for extracting FAS inhibitors is 50% ethanol.

结果表明，边茶萃取物对FAS有可逆和不可逆抑制双重作用，最佳萃取溶剂为50％的乙醇，在常温下5 h即可达到最佳萃取效果。

Based on the results obtained, the 2-10% cold and hot water extracts from parching and steaming green tea showed good antioxidant properties.

由以上结果可知，炒菁绿茶与蒸菁绿茶在茶叶2-10%之萃取浓度下不论是冷水萃取或是热水萃取，均有很好的抗氧化活性。

The antioxidation effects of the thyme extract were also investigated in this experiment.

探讨了萃取压力、时间、温度等因素对萃取收率的影响，并将萃取物进行了抗氧化实验。

The first part of this research was to investigate anti-oxidant abilities of Boehmeria nivea leaf and root. Different extraction methods, drying conditions as well as far infrared were applied to measure their effects on anti-oxidant abilities of Boehmeria nivea leaf and root. Results showed that 95% ethanol extracts of fresh leaves and roots demonstrate the highest anti-oxidant components(total contents of phenol compounds and flavonoids)and scavenging abilities free radical scavengingABTS(2,2'-azinobis［3-ethylbenzothiazoline-6- sulfonic acid］and DPPH (α,α-diphenyl-β-picrylhydrazyl) free radical , followed by hot water and cold water extraction.

本研究第一部份拟针对苎麻叶与根探讨其抗氧化能力，并以不同萃取方法、不同乾燥处理方式及经远红外线照射对其抗氧化能力之影响，研究结果显示，在不同萃取方法中，新鲜苎麻叶与根皆以95%乙醇萃取物的抗氧化成分及抗氧化能力清除ABTS(2，2'-azinobis［3-ethylben-zothiazo-line-6

1-phenyl-3-methyl-4-caprylpyrazolone-5 was synthesized from 1-phenyl-3-methyl-pyrazolone-5 and caprylyl chloride, and some extraction parameters were investigated such as the acidity, the concentration of Sr, the time of the extraction and the thinners.

通过1-苯基-3-甲基-吡唑啉酮-5与辛酰氯合成萃取剂1-苯基-3-甲基-4-辛酰基吡唑啉酮-5，并对其萃取Sr的影响因素，如酸度、Sr浓度、萃取时间和稀释剂等进行研究。

Methods: The single factor experiments, systematically study the extraction of temperature, pressure extraction, the extraction time, an attachment ratio (Cosolvent velocity: carbon dioxide flow) and samples of the particles Cynomorium rate of flavonoids extracted.

通过单因素实验，比较系统地研究了萃取温度、萃取压力、萃取时间、夹带比（夹带剂流速：二氧化碳流速）及样品颗粒度对锁阳黄酮提取率的影响。

The extraction equilibrium constants of Nd , Eu , Am in the system of seven monoacidic organophosphorus compounds dodecane 1. 0mol/l NO〓are reported. The dependency of the extractability on the PO〓function group、bonding charactor、metallic ion species and the structure of substitute has been examined.

给出了七个烷基磷酸的正十二烷熔液从1.0mol／lNO〓水溶液中萃取Nd、Eu、Am的平衡分配常数Kex，考察了萃取剂PO〓官能团、萃合物成键特性、金属离子及取代基结构与萃取性能间的关系，发现了：（1）可运用取代基自由能加和模型预测辛基膦酸辛基酯对La、Eu、Nd、Am等三价离子的平衡分配数据。

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。