The smoke performance was studied in smoke chamber. The detecting ability of IR thermal imaging is decreased with the smokemass concentration increasing.
烟幕箱实验表明,红外热像的探测能力随红外烟幕质量浓度的增加而降低。
2
Mice on the smoke diet ate about 23 per cent less but their fat mass kept to similar levels.
处于烟雾中的老鼠节食23%,但是它们的脂肪量仍保持在同样的水平上。
3
The difference between particle mass concentration and Bosch smoke number is indicated.