Based on recent reports, electrochemical corrosion of metals, causes of corrosion and current situation of the application of anticorrosion techniques were discussed in the paper.
根据新近的文献报道,从管道腐蚀产生的机理、原因及我国近年油气管道防腐技术应用的现状等方面系统总结论述了管道防腐新技术的应用情况。
The reports included a detailed review of the safety of smallpox vaccine based on historical data as well as recent experience, particularly in the United States.
这两份报告包括了一份详尽的,主要以美国的历史资料和近期经验为依据的有关天花疫苗安全性的综述。
Based on the recent reports about PP new products development abroad recent 1 ~ 2 years, the paper analyzes the new growth point of world's PP market several years later.
根据近1 ~ 2年国外有关聚丙烯新产品开发方面的最新报道,对今后几年世界聚丙烯市场的新增长点进行了分析。
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