1·This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurring ability of coal on adding petroleum pitch.
主要介绍了石油沥青水煤浆添加剂的制备和在煤中掺入石油沥青的制浆性能。
2·The important factors affecting their grinding efficiency include amplitude, density, ball charge and additive agent.
影响振动磨机工作的重要因素是振幅，浓度，球荷及添加剂。
3·The process of wide temperature swift aluminium anodizing and it's mechanism of additive agent are studied.
研究了宽温快速阳极氧化工艺，对宽温快速阳极氧化添加剂的作用机理作了分析。
4·The article expatiates the main pollutants including nitrogen, phosphor, odor, biological pathogenic agent, mineral matter, and additive agent of medicine from stockbreeding pollution.
阐述了畜禽粪便中的主要污染成分氮、磷、恶臭、生物病原体、矿物质和药物添加剂对环境污染的危害。
5·When nanometer additive agent is added into plastic and the plastic is mixed and improved, the technical performance of the plastic pipes can reach the use standard in coal mines.
通过在塑料中加入纳米添加剂，进行混合改性处理，使塑料管材的技术性能达到煤矿井下的使用标准。