水蒸汽蒸馏法 steam distillation英语短句 例句大全

水蒸汽蒸馏法,steam distillation

1)steam distillation水蒸汽蒸馏法

1.Study on fresh ginger and dry ginger essential oils extracted bysteam distillation, and the compounds of essential oils were assayed with combined capillary gas chromatography-mass spectrometry (GC-MS).本实验采用水蒸汽蒸馏法提取鲜姜和干姜中的精油,并利用GC-MS分析精油的成分。

2.METHODS The essential oil was obtained by supercritical fluid extraction(SFE) andsteam distillation.方法采用二氧化碳超临界萃取法和水蒸汽蒸馏法分别提取野菊花挥发性成分 ,用气相色谱 质谱进行分离测定 ,结合计算机检索技术对分离的化合物进行结构鉴定 ,应用色谱峰面积归一化法测定各成分的相对百分含量。

3.Objective: To compare supercritical CO 2 fluid extraction(SFE CO 2) withsteam distillation(SD) in the chemical constituents and content of essential oil from Forsythia Suspensa.目的 :比较水蒸汽蒸馏法 (SD)和超临界CO2 萃取法 (SFE CO2 )所提连翘挥发油的化学成分及其含量。

英文短句/例句

1.Determination of Chemical Constituents of Essential Oil from Myrrha by GC-MS;水蒸汽蒸馏法提取没药挥发性成分的GC-MS分析

parison of chemical constituents for volatile oil from fresh Kaempferia galanga L.by Soxhelt method and steam distillation索氏法和水蒸汽蒸馏法提取山柰(鲜品)挥发油化学成分的比较研究

3.Study on Producing Biodiesel with Circulating Gaseous Esterification and Transesterification and Water Vapour Distillation;循环气相酯化—酯交换—水蒸汽蒸馏法制备生物柴油的研究

4.The improvement of equip obout the method distilling water steam from the peel of orange Concerning to detach lemonene;关于用水蒸汽蒸馏法从桔皮中提取柠檬烯装置的改进

parison of the Constituents of Essential Oil from Linder aggregate by Supercritical-CO_2 Fluid Extraction and Steam Distillation超临界CO_2萃取和水蒸汽蒸馏法研究乌药中挥发性有机物

6.Study on Microwave-assisted Hydrodistillation Extraction and Solvent-free Microwave Extraction of Essential Oil from Cumin (Cuminum cyminum L.) Seed微波辅助水蒸汽蒸馏法和无溶剂微波萃取法提取孜然精油工艺的研究

7.Study on chemical constituents of the essential oils extracted from Artemisia selengensis Turcz. by supercritical fluid extraction and steam distillation超临界CO_2流体萃取法与水蒸汽蒸馏法提取蒌蒿挥发性化学成分的研究

8.Extracting can also be done by partially freezing the salt solution.加热蒸馏法是将盐水加热，使水分蒸发，然后再使蒸汽冷凝成水。

9.Boiling Point Rise of Dilute Solution and Vapor Distillation: Are They Contradicted;稀溶液沸点升高与水蒸汽蒸馏矛盾吗

10.The most direct way to do this is to distil it turn it into steam, and then con- dense the steam.最直接的分离法是蒸馏海水——把海水变成水蒸汽，然后冷却。

11.fractional distillation分馏, 分解蒸馏(法)

12.A liquid condensed from vapor in distillation.蒸馏液；馏出物在蒸馏中，从蒸汽浓缩的液体

13.a volatile fragrant oil obtained from fresh roses by steam distillation.从鲜玫瑰中用蒸汽蒸馏法获得的挥发性香油。

14.Top up a car battery, ie by adding distilled water往汽车蓄电池里加满蒸馏水

15.The cells of a car battery need to be topped up with distilled water.汽车的电瓶需要用蒸馏水灌满。

16.a liquid produced by condensation from a vapor during distilling; the product of distilling.蒸馏过程中蒸汽浓缩产生的液体，蒸馏的产物。

17.Study on the extract technology of bergamot essential oil by water vapor distillation水蒸气蒸馏法提取佛手挥发油的工艺研究

18.Study on the Extraction of Essential Oil from Sabina vulgaris Ant.Leaves and Thin Tress by Steam Distillation水蒸气蒸馏法提取臭柏细枝叶精油的研究

相关短句/例句

steam distillation水蒸汽蒸馏

1.The teaching improvement ofsteam distillation;水蒸汽蒸馏实验教学改进

2.The improvement on the experiment apparatusofsteam distillation;水蒸汽蒸馏实验装置的改进

parison of chemical constituents for volatile oil from fresh Kaempferia galanga L.by Soxhelt method andsteam distillation索氏法和水蒸汽蒸馏法提取山柰(鲜品)挥发油化学成分的比较研究

3)water vapour distillation水蒸汽蒸馏

1.Biodiesel and material is separated effectively throughwater vapour distillation,and the high pure degree biodiesel is acquired without double transesterification.循环气相酯化-酯交换-水蒸汽蒸馏技术是以动、植物油为原料制备生物柴油的新工艺。

2.Preparation of biodiesel with waste oil from restaurant by circulating gas-phase esterification-transesterification-water vapour distillation was studied.研究以餐饮业废油为原料,采用循环气相酯化-酯交换-水蒸汽蒸馏制备生物柴油的工艺过程,着重考察如何快速降低餐饮业废油的酸值和酯交换反应的优化条件。

4)water vapor distillation水蒸汽蒸馏

1.Ion chromatographic determination of fluorine and chlorinebywater vapor distillation;水蒸汽蒸馏—离子色谱法测定氟和氯

2.The volatility components got from the Fibraurea recisa Pierre"s stem and root by microwave extraction anwater vapor distillation respectively.首次采用微波萃取法、水蒸汽蒸馏法从中药黄藤的根茎中提取得到挥发油,并与文献中溶剂法提取得到的挥发油进行对比,通过气相色谱—质谱联用仪进行分析,并用面积归一法确定了各组分的相对百分含量。

5)vapor distillation method蒸汽蒸馏法

1.Since the existing technique to extract bromine has low efficiency, a new one-thevapor distillation method is proposed in the article.我国现有的提溴技术对溴的提取率较低 ,文章中提出了一种新的提溴技术—蒸汽蒸馏法 ,对溴的回收达到了 75 %左右 ,大大提高了提溴效果。

6)steam distillation水汽蒸馏

1.In the fragrant substances taken from the heavy turpentine of rosin withsteam distillation approaches, 19 fragrant components are detected by GC/MS.利用水汽蒸馏提取法富集了松香产品中残留的重质松节油,经气相色谱/质谱联机分析,发现其主要由19种单萜和倍半萜化合物组成,全部为香味物质(未知物除外)。

延伸阅读

氧18水蒸馏法分离分子式：CAS号：性质：H216O和H218O蒸气压不同，水蒸馏的16O和18O同位素的一级分离系数在100℃时为1.0032。在水精馏过程中，不仅浓缩得到D216O和HDl6O，同时也浓缩了重氧水：H218O，HDl8O和D218O。由于18O同位素在自然界中含量比氘多，占0.204％，氧的放射性同位素寿命太短，故常采用18O作为示踪原子。水蒸馏法简单易行，生产规模较小，且H218O的价格比重水高，故此法已成为分离18O的主要方法。已知以色列、德国和前苏联均有分离18O的水精馏工厂。