Determination of oxygen deficiency in ce - zr solid solution by indirect redox - titrimetry 间接氧化还原滴定法测定铈锆固溶体的氧缺陷值
Safety regulations for working under hazardous condition of the oxygen deficiency in the cargo holds and closed compartments of ships 防止船舶货舱及封闭舱缺氧危险作业安全规程
Conclusion ultra ? structural pathological changes of heroin ? addicts are presented acute , chronic oxygen deficiency degeneration and necrosis 结论海洛因滥用者的亚细胞超微结构呈急、慢性缺氧性变性、坏死改变。