1.Disassembling and checking cast wellhead valves for sulphureous oil and gas production
含硫油气田铸造井口阀门的拆检研究
2.Researching and developing on sulphureous series glass material
硫系玻璃材料的研究进展
3.Advances in study on the sulphureous substance of the natural plants
天然产物中含硫化合物的研究进展
4.Research on determine methods of slow release nutrient of sulphureous urea
含硫尿素养分缓释释放测定方法的研究