The influence factor of concrete carbonation can be divided into materialfactor, environmental factor and construction factor.
影响混凝土碳化的因素较多，主要是：材料因素、环境因素和施工因素。
2
Instrument is an important component of the laboratory's fixed asset, it is the materialfactor to guarantee the monitoring and research.
仪器设备是实验室固定资产的重要组成部分，是保证监测、科研顺利进行的物质条件。
3
This article analysis the hic and its characteristic of the pipeline transmitting high H2S Petroleum and Gas, and the environment factor and materialfactor which affect the hic.