缺陷值 meaning in English

defective number
defective value

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
Thermal bridges in building construction - linear thermal transmittance - simplified methods and default values iso 14683 : 1999 ; german version en iso 14683 : 1999
建筑物热桥.线性热穿透系数.简化方法和缺陷值