Results Water distillation method was good for the extraction of essential oil.
结果水蒸气蒸馏法更有利于白术挥发油的提取;
The total oil of the mint microencapsulations was measured by steam distillation method.
采用水蒸气蒸馏法测定了微胶囊化薄荷油的总油。
Extractive distillation method was employed for removing sulfur compounds from FCC gasoline.
开展了萃取蒸馏法脱除催化裂化(FCC)汽油含硫化合物的研究。
The invention discloses a kind of catalyst distillation module and uses this module the catalyst distillation method.
本发明公开了一种催化蒸馏组件及使用该组件的催化蒸馏方法。
In this paper, the author proposes a method for the optimal design of pretreating industrial wastewater by distillation method.
提出用精馏法预处理工业废水的一种优化设计方法。
The nanosized TiO2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.
对泡沫悬浮法和共沸蒸馏法的防团聚效果进行了系统比较。
The nano sized TiO2 powder prepared by foam flotation method was compared with the sample prepared by azeotropic distillation method.
对泡沫悬浮法和共沸蒸馏法的防团聚效果进行了系统比较。
In this study, urea inclusion method and molecular distillation method were applied in the purifications of ethyl ester of EPA and DHA.
用尿素沉淀法和分子蒸馏法研究了二十碳五烯酸(简称e P A)、二十二碳六烯酸(简称d H A)乙酯的分离提纯。
The purification methods of phosphine include adsorption method, low temperature distillation method and membrane separation method etc.
总结了磷化氢的精制方法,主要有吸附法、低温精馏法和膜分离法等。
Determines the water content in petroleum products, tars, emulsified asphalts and other bituminous materials by the distillation method.
简单介绍迪安·斯塔克水分测定仪通过蒸馏方法测量石油产品、焦油、乳化沥青和其他沥青材料的水含量。
The distillation method was applied to the separation of product and the whole process was simulated with the NRTL thermodynamic equation.
采用普通精馏方法分离反应产物,并以NRTL热力学方程为物性计算方法。
Methods: A distillation method was used to extract the volatile oil and a gas-mass spectrometer was used to analyze the chemical composition.
方法:用水蒸汽蒸馏法提取紫色姜挥发油,并通过气相-质谱联用仪分析研究。
The essential oil volume was 1.57% and 0.02% extracted from Chinese fir and Eucalyptusgreen wood, respectively, by steaming distillation method.
采用水蒸汽蒸馏法,获得杉木生材精油的得油率为1.57%,尾叶桉生材精油的得油率为0.02%。
Therefore, the experimental conclusion of extraction of paeonol was: the steam distillation method was better than the ethanol refluxing method;
因此,丹皮中丹皮酚提取实验结论为:水蒸汽蒸馏法优于乙醇回流法;
Under the condition that the traditional distillation method has reached the limit, the technique of infiltrating evaporation film is the substitution.
在传统的精馏方法达到极限的场合,渗透汽化膜技术将取而代之。
Method:Extract volatile oil from green, stir-baked with rice and bran Codonopsis pilosulaby by wet distillation method, and separate and identify them by GC-MS technique.
方法利用水蒸气蒸馏提取党参挥发油的方法,分别提取党参片、米炒党参、麸炒党参,利用GC-MS联用技术对挥发油成分进行分离鉴定。
The fir essential oil was extracted from fir root by steam distillation method, from which cedrol was extracted, and then, cedrol methyl ether was synthesized based on cedrol.
以杉木根为原料通过水蒸气蒸馏法提取杉木精油,从杉木根精油中精制提取柏木脑,再以柏木脑为原料合成甲基柏木醚。
The new method is compared with the conventional solvent distillation method and investigated through theoretic study. Its reliability and practicability were proved completely.
并与传统的溶剂蒸馏法进行了对比,同时又从理论上进行了探索,充分证实了方法的可靠性和实用性。
A vacuum distillation method and a vacuum distillation device are disclosed, for inhibiting frothover in a distillation boiler and recycling high pure solvent in free of impurities.
提供一种减压蒸馏方法以及减压蒸馏装置,其抑制蒸馏锅内的突沸,回收不含杂质的高纯度溶剂。
The essential constituents from duke blueberry fruits were extracted by steam distillation method and the essential oil obtained was analyzed by gas chromatography-mass spectrometry.
用常规水蒸气蒸馏法提取杜克蓝莓果实中的挥发油,并用气相色谱-质谱法分析了其化学成分。
The essential constituents from duke blueberry fruits were extracted by steam distillation method and the essential oil obtained was analyzed by gas chromatography-mass spectrometry.
用常规水蒸气蒸馏法提取杜克蓝莓果实中的挥发油,并用气相色谱-质谱法分析了其化学成分。
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