1. Positive-working thermally imageable elements, useful as printing plate precursors and having reduced ablation when thermally imaged, and methods for their preparation are disclosed.
   本发明公开了可用作印刷板前体、并在热成像时具有较少烧蚀作用的正性热可成像元件及其制备方法。
2. In this study a series of different maturation degree coals are yielded by thermally treating a lowgrade lignite, and are used as the sorbents for sorption equilibrium study of phenanthrene.
   将云南先锋褐煤采用热模拟的实验方法制得一组成熟度不同的煤,并将煤中的干酪根用于对菲的吸附研究。

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