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91, The process flow and production practice of air-distillation and reduced-pressure distillation for tar in Jigang coking plant are introduced.

92, A colorless crystalline hydrocarbon, C14H10, obtained by fractional distillation of coal-tar oils and used in dyes, drugs, and explosives.

93, The difference between the temperature at the initial boiling point and at the end point, as obtained by the distillation test.

94, A classic example would be a distillation involving the distillate traveling from one glass bulb to another, without the need for a condenser separating the two chambers.

95, Steam distillation yields a dark orange-brown essential oil with a unique and complex aroma.

96, The results showed that the purity of 6 chloro 2 nitrotoluene was over 96% by two tower distillation.

97, Vacuum distillation using the dropper with the exhaust port and the access protection tube to prevent leakage of liquid directly into the vacuum pump.

98, The measurement of viscosity is important for the side-draw product quality of vacuum distillation column in oil refinery.

99, Finally the separation of n-hexane and ethyl acetate was tested with an industrial column in a way of batch azeotropic distillation.

100, Membrane application: innovative membrane bioreactor; membrane distillation and its application in industrial water treatment.

101, Using glycerine and acetic acid as raw materials and in the presence of catalyst, glycerin triacetate was synthesized through esterification,[sentencedict.com] dehydration and underpressrue distillation.

102, METHODS The essential oil of Brassica rapa L. seeds was extracted by steam distillation method.

103, In petrochemical process, there are many important indicator variables that cannot be measured on-line. Such as purity, dry point of distillation product and distillation tray efficiency, etc.

104, Distillation Vaporization of a liquid and subsequent condensation of the gas Back to liquid form.

105, This paper introduced a new type and special structured vacuum pump unit suitable for dry type reduced-pressure distillation.

106, The process of producing hexane from 6 # solvent oil by distillation and hydrofining is discussed.

106, Sentencedict.com is a online sentence dictionary, on which you can find excellent sentences for a large number of words.

107, Simulation calculations were carried out of the extractive distillation process for separation of butadiene 1,3, using DMF(N, N dimethyl formamide) as solvent.

108, A new corresponding optimal revamping for batch extractive distillation(BED) in ethanol purification, which adds a reboiler and an additional storage tank, was put forward.

109, Fractional distillation is a physical method which cannot decompose compounds.

110, Applying the continuous distillation technique in the production ofp - tert - butylphenol is reasonable, and has promising applications.

111, With the increase of distillation rate the HD concentration in reboiler increases as well, and there are remarkable differences in separation performance between H2/HD and D2/DT system.

112, Hydroquinol could be recovered by means of extraction distillation and crystallization. The percent of recovery was 35% or so.

113, The reduced pressure distillation experiment on the liquid paraffin was done and the Engler distillation curve was obtained.

114, Sequential Modular Approach was applied to design distillation column simulation training algorithm.

115, A heat and mass transfer relation in a solar still was established and the steady state simulation experiments in a multi stage stacked tray distillation chamber were conducted.

116, N-ethylpiperazine and monoethanolamine were separated by the heterogenous azeotropic batch distillation with p-xylene and cyclohexane as the entrainers, respectively.

117, A dual temperature differential control system in a distillation column, which failed to work for a long time has been analyzed, by establishing a strict steady-state mathematical model of the column.

118, The principle and methods azeotropic distillation drying as well as the choice of displacers were discussed.

119, The separating preparation process of epigallocatechin gallate includes HPLC separation of tea polyphenol, fraction interception, membrane distillation and concentration, etc.

120, New method for the production of nicotine from waste tobacco by saponification, distillation, (acidification), inspissation , extraction had been investigated.