查询词典 distillation method

The extraction from star anise fruits was obtained by supercritical carbon dioxide extraction(SFE-CO_2) method at the pressure 16 MPa,temperature 35℃,flow rate 30 L/h meanwhile time 2 h,and the star anise oil was obtained by steam distillation.

用超临界CO2萃取(SFE-CO2)技术，在压力16 MPa、温度35℃、反应时间2 h及CO2流量30 L/h的条件下，对八角茴香的果实进行了萃取，得到八角茴香萃取物，并用水蒸气蒸馏法提取八角茴香精油。

In order to provide some theoretical support to the comprehensive processing of bitter almond,this paper conducted a study of the best temperature for the hot-press method and of the designing of technology for an effective steam distillation of essential oil with orthogonal experiments.

为了对苦杏仁综合加工提供理论依据，系统地研究了热榨法压榨苦杏仁油脂的最佳温度，并结合正交试验设计水蒸气蒸馏法提取苦杏仁精油的工艺。

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 results indicated the time of extracting cassia oil was shortened consumedly, only half of the traditional one, and the extraction rate of cassia oil was increased distinctly, by the method of wet distillation using microwave assistant treatment.

采用微波对肉桂皮进行辐射处理，破坏肉桂皮的细胞组织，然后用水蒸气蒸馏提取肉桂油。

Nepetalactone, the primary component of catnip oil, were extracted by the using method of simultaneous distillation-extraction and separated by using silica gel chromatography column. To compare the repellency of nepetalactone and DEET on mosquitoes, topical bioassay method on the skin and a cage olfactometer were employed to assess the effective protection time and the spatial repellency.

采用同时蒸馏萃取及硅胶柱层析法从猫薄荷Nepeta cataria植物中提取、分离制得驱蚊有效成分假荆芥内酯，并采用个体涂肤有效保护时间测定法及风洞空间驱避效果测试法，对假荆芥内酯与避蚊胺的驱蚊效果进行了对比试验。

Antioxidant activity of the tocopherols separating from soybean oil deodorized distillation was compared with other antioxidants by using OSI method at 80 ℃, 100 ℃ and 130 ℃, and using Schaal oven method at 63±2℃.

对从大豆脱臭馏出物中提取的生育酚浓缩物，分别在 80、10 0、130℃下用电导法及在 6 3± 2℃下用烘箱法对其抗氧化活性和其它抗氧化剂作了比较研究。

The invention has the advantages that: 1 the preparation method is simple, the obtained pine needle essential oil has good quality and higher yield, the yield is increased by 30 to 49 percent or so compared with that of directly adopting the steam distillation; 2 the hydrophilic ionic liquid can be reclaimed and recycled by adopting the ion exchange method, which can not cause the environmental pollution.

本发明的优点：1制备方法简单，得到松针精油质量好，得率较高，比直接采用水蒸气蒸馏法的产率高30～49％左右；2亲水的离子液体可以采用离子交换法回收循环使用，不会造成环境污染。

In this article Karl Fischer method is used to determine the water of expanded ammonium nitrate explosives. It solves the problem of too-long testing time as the method of distillation of WJ9026, and realizes the rapid on-line determination of water of expanded ammonium nitrate explosives.

文章应用卡尔费休法测定膨化硝酸铵炸药的含水量，有效解决了WJ9026中蒸馏法在生产过程中应用时测试周期较长的问题，实现了膨化硝酸铵炸药在线水分的快速测定。

It has been proved by a number of runs that the tar yields as well as the rates of distillation by fluidized partial oxidation method are far much higher than those by any other method reported in current literature.

试验了由木焦油镏分制得的抗氧化添加剂的添加效果。通过对延迟焦化汽油的氧化安定性试验，证明所制得的添加剂具有良好的抗氧化稳定性。

The method of putting the medicinals in a container and baking to get the juice is called the method of dry distillation.

将药物置于容器内，以火烤灼，使产生焦油的方法称为干馏法。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。