This dissertation consists of two different parts,Part one: Plasma degradation of dye by a nonpulsed direct current glow discharge in an Aqueous Solution;Part two : the synthesis of terephthalic.

• 本论文的研究分为两部分,第一部分是非脉冲直流辉光放电等离子体降解水中染料的研究,第二部分是对苯二甲酸的新合成路线研究。