The corrosion of intermedium fluid parts of valve during the prodution of phenol is described briefly.
简要叙述了苯酚生产过程中介质对调节阀节流件的腐蚀,分析了介质浓度、温度对材料耐腐蚀性能的影响.
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Investment Guide: Commercial real estates, Financial insurance, Law accountancy, Advertising intermedium, Information service etc.
投资导向: 商业地产 、 金融保险 、 法律会计 、 广告中介 、 信息服务等.
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As an important organic intermedium with high additional value, it has great potential to be developed.
由于氯乙酰氯是一种重要的有机合成中间体,附加值高, 是一种值得开发的精细化工产品.
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