oil-based

The oil-based suspension of Bacillus thuringiensis is mainly applied to the ultra low volume spraying of mist sprayer and aeroplane, especially apt to control forest pest insect.

苏云金杆菌油悬浮剂主要用于地面器械和飞机的超低容量喷雾，特别适宜于森林害虫的防治。笔者对苏云金杆菌油悬浮剂超低容量喷雾指标进行了测定。

The currently used drilling fluids in horizontal wells of Daqing Oil Field are mainly oil-based drilling fluids, which are high cost and have a poor solid carry capacity and may result in environmental problems because of the ineffective dispose of drilling waste.

目前，大庆油田所钻的水平井中使用的钻井液基本上为油基钻井液，其成本高，携带岩屑的性能较差，而且废弃钻井液如果处理不当，会造成环境污染。

Control of corrosion of HAPs oil-based insecticide aerosol which caused by moisture

HAPs油基杀虫气雾剂水分引起腐蚀及其控制研究