a single column batch azeotropic distillation method was applied to the separation of isopropanol-water system with cyclohexane as an azeotropic agent.
采用单塔间歇恒沸精馏法,选择环己烷作为恒沸剂,分离异丙醇和水。
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 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。
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。
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 traditional chemical analysis, distillation method and xrf were used to measure the sulfur content in desulphurize slag contained calcium sulfate.
分别采用重量法、蒸馏法和x射线荧光光谱法测定含亚硫酸钙的脱硫灰中硫含量。
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。
it is concluded that the adsorptive distillation method is suitable for separation of the mixer of tert-butyl alcohol-water and the mixer of iso-propyl alcohol-water using …
试验结果表明采用吸附蒸馏方法分离叔丁醇-水及异丙醇-水体系,具有产品纯、收率高、操作容易实现的优点。
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。
the sea water desalination technology includes the distillation method and the reverse osmosis method.
海水淡化技术包括蒸馏法和反渗透法。
a vacuum distillation method is developed and chosen to distil gold from gold amalgam containing various quantities of mercury.
本文研究一种经济的、适用于真空蒸馏任何含汞的汞金工艺。
in order to recover over 99% mercury and separate the selenium, the distillation method or distillation with flux addition can be used.
处理这样的汞炱渣,可用蒸馏法或加熔剂蒸馏法,将99%以上的汞加以回收并与硒分离。
it is concluded that the adsorptive distillation method is suitable for separation of the mixer of tert-butyl alcohol-water and th…
试验结果表明采用吸附蒸馏方法分离叔丁醇-水及异丙醇-水体系,具有产品纯、收率高、操作容易实现的优点。
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。