利用钝体稳定火焰实验台,在不同工况下,测量了含水蒸汽的甲烷预混气的火焰吹熄速度。
By the experimental bench of bluff body flame and under different working orders, the speed in blowing out the flame of methane premixing gas with vapour is measured.
介绍了一种简便、有效的水蒸汽蒸馏装置在半微量有机实验中的应用。
The application of a facile and effective steam distillation apparatus in Semi-micro organic experiment is introduced.
《物理化学》中的稀溶液沸点升高与《有机化学实验》中的水蒸汽蒸馏看似矛盾,实质上是它们的原理不同。
The boiling point rise of dilute solution in physical chemistry seems to contradict with vapor distillation in experiment of organic chemistry. Actually, they are of different principles.
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;
Therefore, the experimental conclusion of extraction of paeonol was: the steam distillation method was better than the ethanol refluxing method;
本文在强迫对流凝华结霜实验系统上,进行水蒸汽凝华结霜气固相变传热的实验研究。
An experimental study is made of the heat transfer in the gas-solid phase change of frost formation by sublimating vapor.
在实验室中研究了一种从石油残渣油制取建筑沥青的新工艺——水蒸汽裂解缩合。
A new process for producing roofing asphalt from petroleum residua by steam cracking and condensation has been studied in the laboratory.
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。
The volatile oils of walnut diaphragm were obtained by hydrodistilation and analysed by GC and 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。
The volatile oils of walnut diaphragm were obtained by hydrodistilation and analysed by GC and GC/MS.
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