According to the principle of dialysis, writing time of different kinds of fountain pen inks on different types of papers were measured using newly researched and developed dialyzates.

 
  • 本文通过最新研发的透析液,根据透析的原理,对书写在不同种类纸张上的不同种类的钢笔墨水字迹进行了书写时间测定。
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