The advantage and disadvantage of the five recycling methods, direct heating, direct aqueous vapor, indirect aqueous vapor, reduced pressure distillation, precipitation method, is discussed.

探讨了直接加热法、直接水蒸汽法、间接水蒸汽法、减压蒸馏、酒精沉淀等五种回收方法的优缺点。

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Skin contacted by HF, vapor, or aqueous solution rapidly produces an erythematous (reddened) area, often with a white or gray color at the surface caused by coagulation of tissue.

接触HF、蒸气或水溶液的皮肤会迅速产生一块变红的区域，通常在表面带有组织凝结造成的白色或灰色。

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The technology has advanced to the point where we are getting that much closer to fully solution-processed OLED devices, and new materials such as our non-aqueous HIL are a key requirement in the transition from vapor to solution processing.

ENGADGET: Plextronics rolls out next-gen OLED ink, promises bigger, better OLED displays