distillation and extraction的意思|示意

Veratryl alcohol was synthesized through the reduction of sodium borohydride from veratraldehyde with isopropanol as solvent, followed by solvent extraction and distillation under reduced pressure.

以藜芦醛为主要原料、异丙醇为溶剂，经硼氢化钠还原、溶剂萃取、减压精馏得到产物藜芦醇。

The separation of intermediate using distillation under vacuum was replaced by extraction method. It was convenient and reliable.

用萃取法代替减压蒸馏法分离中间物方便、可靠。

Three high and new separation technologies are introduced in this article: molecular distillation technology, supercritical extraction technology, high efficiency centrifugal mass transfer technology.

本文介绍了三项高新分离技术：分子蒸馏技术、超临界萃取技术及高效离心传质技术。

The volatile components were extracted from leaves of Indocalamus latifolius by simultaneous distillation and extraction, and analyzed by gas chromatography-mass spectrum (GC-MS).

采用同时蒸馏萃取装置提取箬竹叶的挥发性成分，然后经气相色谱-质谱联用技术对挥发性成分进行分离鉴定。

The results indicated that the extraction rate did not exhibit an obvious difference after distillation evaporation and rotary evaporation.

结果表明，蒸馏浓缩和旋转蒸发仪蒸发浓缩对提取物的抑制率几乎没有影响。

The inhibitory effect of ginger extract on microorganisms was studied with different methods, which were hydraulic extraction, ethanol extraction, ultrasonic extraction and vapor distillation.

以生姜为材料，研究不同提取方式包括水浴加热浸提法、醇提取法、超声波浸提法和水蒸气蒸馏法对微生物的抑制作用。