萃取

Compared with the control, the percentages of living microorganisms on the biomembrane were 27.6, 14.1 and 0.01, respectively, after extracted by hydroxylamine hydrochloride （0.01mol·L^-1 NH2OH·HCl ＋ 0.01mol·L^-1 HNO3 ）, sodium dithionite （ 0.4mol·L^-1 Na2S2O4, pH 6.0 ）, and acidified ammonium oxalate.

经0.01mol·L^-1 NH2OH·HCl＋0.01mol·L^-1 HNO3、0.4mol·L^-1 Na2S2O4（pH6.0）和0.2mol·L^-1草酸氨（pH4.0）萃取后存活的微生物总量分别下降到原膜的27.6％、14.1％和0.01％；经15％HNO3萃取后，膜上只有极少数的细菌存活；而经H2O2／HNO3萃取后则无细菌存活、原生动物和藻类存活，说明选择性化学萃取剂的使用影响生物膜的活性。

Study on the effects of the pressure, temperature and time on the extraction rate of the essence oil from the cinnamon by supercritical CO2 extraction.

研究了超临界CO2萃取肉桂精油时压力、温度、萃取时间等因素对提取效果的影响，通过正交实验确定最佳的萃取工艺条件为：萃取压力15MPa，温度40℃，时间2h，此条件下肉桂精油的产率为3.69%。

Using kerosene and 40%n octanol as diluents,some lanthanide and actinide can be extracted effectively by amido podand from nitric acid solutions.

以酰胺荚醚为萃取剂，正辛醇和煤油的混合物作稀释剂，研究了水相硝酸浓度和不同结构酰胺荚醚对镧系和锕系元素萃取分配比的影响，并对它们的萃取性能进行了比较，结果表明，适当的酰胺荚醚可以有效地从硝酸溶液中萃取镧系和锕系元

Then the experiments on the separation of lithium and magnesium from bitterns contenting lithium were carried out, during the experiment NaOH was chosen as addition to further remove magnesium from the extraction liquid and Na_2CO_3 was chosen as deposition agent to prepare Li_2CO_3 product.

作者选取磷酸三丁酯为萃取剂，200#溶剂汽油为稀释剂，氯化铁(FeCl_3)为共萃取剂，对盐湖含锂卤水进行萃取分离镁锂的试验，然后采用氢氧化钠对萃取液进行深度除镁，再用碳酸钠作为沉淀剂制备碳酸锂产品。

In this paper, the optimum condition of supercritical CO2 extraction of ginger essential oil was investigated with orthogonal design.

采用正交试验的方法，确定了超临界CO2萃取姜精油的最佳工艺条件：萃取温度40℃，萃取压力20MPa，萃取时间90min

The up-sizing technology of supercritical CO2 extraction of grape seed oil was studied in this paper.

本文对超临界CO2萃取葡萄籽油的放大工艺进行了研究，其中试优化工艺参数为萃取压力25MPa，萃取温度为45℃，CO2流量为40kgCO2/h，葡萄籽油的萃取收率为8.92%，较小试有所下降。

The best parameters of extracting seed oil of Korean pine are 35 MPa,45 ℃,180 min,5 % free-water C2H5OH as modifier .

研究超临界CO2萃取红松子油的影响因素，在试验条件下，其影响因素次序为萃取压力、夹带剂、萃取温度、萃取时间。

The extracting study on pumpkin seed oil was carried with the supercritical fluid carbon dioxide extraction technique.

应用超临界CO2 萃取技术，研究了南瓜子油的提取工艺，着重探讨了原料预处理、萃取压力、温度、萃取时间、CO2 流量对油脂萃取率的影响，优化了工艺条件：压力 3 0MPa ，温度 45℃，时间 2 。5h ，CO2 流量 2 5kg/h。

Walnut oil were obtained with SC-CO2 (supercritical CO2) and microwave extraction.

通过超临界CO2萃取核桃油的正交实验和微波萃取核桃油的均匀设计实验，考察影响核桃油萃取的主要因素，寻求最佳萃取工艺条件。

Effects of different extraction modes, extraction time, pressure and temperature on the extraction yield of onion essential oil and sulphur concentration were investigated,and the different extraction solvents and extraction times were researched in liquid-liquid extraction procedure. The optimal conditions of extraction of onion essential oil with subcritical water were static extraction, 100~150℃sequential program temperature increasing extraction for 30min, 5MPa, petroleum ether as extraction solvent for two times.

考察了提取方式、提取时间、温度、压力对洋葱精油的提取得率及含硫化合物浓度的影响，并对液液萃取中溶剂的种类和萃取次数进行了研究，得到了洋葱精油的亚临界水提取最佳工艺：静态提取、提取时间30 min，压力5 MPa，100～150 ℃的连续程序升温，石油醚为萃取溶剂，萃取2次。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失