由于传统酸洗精制工艺的限制，焦化纯苯的含硫量高，其市场竞争力难以与石油苯相匹敌。
Due to the limitation of the traditional pickling process, the sulfur content of coking benzene is high, and its market competitiveness is difficult to match that of petroleum benzene.
研究了在高纯聚苯硫醚(PPS)树脂合成中，水量的变化对产品质量的影响。
The influence of water content on the quality of the product in the synthesis of Poly (phenylene sulfide) (PPS) with high purity was studied.
气体再生时所用的气体分别为高纯n2，含20%O2的N 2,H2，它们再生的原理分别是热再生，通过氧化单质硫再生和通过还原单质硫再生。
The gases utilized were pure N2, 20% O2 in N2 and H2, the principle of them regenerated activated carbon were thermal regeneration, oxidation and reduction respectively.
以工业氯化镁和硫氢化钡为原料，采用复分解法合成高纯氢氧化镁。
This paper introduces the method of preparing high-purity magnesium hydroxide by double decomposition method with industrial magnesium chloride and barium hydrosulfide as the raws materials.
以工业氯化镁和硫氢化钡为原料，采用复分解法合成高纯氢氧化镁。
This paper introduces the method of preparing high-purity magnesium hydroxide by double decomposition method with industrial magnesium chloride and barium hydrosulfide as the raws materials.
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