Studies have been made on the preparation and physicochemical properties of activated carbon fibers(ACF), prepared from felts of rayon, phenol-formaldehyde resin, and polyacrylonitrile.
本文以毡状粘胶纤维、酚醛纤维和聚丙烯腈纤维为原料研制了活性炭纤维（ACF），并考察了它们的物化性能。
Studies on the wet preparation of mechanically aligned ferrite powders and measurements of some physical and magnetic properties were per-formed.
本文叙述了湿法制备具有机械取向特性的铁氧体磁粉的工艺研究，并对磁粉进行了多方面的物化测试。
Nasal administration also has specific immune properties. In this paper, the advances in studies on status and preparation of intranasal drug delivery are reviewed.
介绍药物鼻腔黏膜吸收的特点和影响因素，综述鼻腔给药制剂的研究方法和研制情况，旨为该领域研究提供参考。
Nasal administration also has specific immune properties. In this paper, the advances in studies on status and preparation of intranasal drug delivery are reviewed.
介绍药物鼻腔黏膜吸收的特点和影响因素，综述鼻腔给药制剂的研究方法和研制情况，旨为该领域研究提供参考。
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