Aerosol jet at first atomises nanoparticle-based print materials into microscopic droplets , which are then focused , using a sheath of gas , into a precise jet stream directed by a nozzle .
The aerosol isn 't important by itself , but it reveals the otherwise invisible laser beams that will trigger the alarm .
喷雾剂本身可能并不重要,却可以用来显示出那些原本看不见的可能引发警报的激光束。
Certainly I don 't advocate driving a hummer full of plastic packaging , virgin forest paper , and aerosol cans out to your local land fill and killing a few baby seals on the way .
It is hoped that the droplets of sulphates and aerosol particles will reflect the sun 's energy back into space , preventing it from heating the earth .
人们期望这些包含硫酸盐和气溶胶粒子的液滴能够将太阳的能量反射回宇宙,阻止它使地球升温。
One problem with this criticism is that the respiratory problems were noticed only with the aerosol spray-can form of the product . No problems have been reported with the same fluid in a pump bottle .