Do not cover or block your smoke detector in any way.
无论如何都不要盖住或阻塞你的烟雾探测器。
2
A method is presented for measuring the composition and molecular weight of block copolymer simultaneously by size exclusion chromatography with a single detector.
本文建议了一种使用具有单一检测器的常规尺寸排除色谱仪同时测量嵌段共聚物纽成和分子量的方法。
3
The flexible radiation detector (30) includes a flexible substrate (40), and a plurality of solid block bodies (32) mounted in a two-dimensional array on the flexible radiation detector (30).