2 Interlaboratory comparisons are valid only when all laboratories use the same design of fluorescent UV device, lamp, and exposure conditions.
2 Interlaboratory comparisons are valid only when all laboratories use the same design of fluorescent UV device, lamp, and exposure conditions.
只有当所有实验室都采用同样设计的紫外荧光设备、灯和老化条件时，实验室间的比较才是有效的。