The fabrics are coated with nano-sized particles that repel stains.
这种织物表面覆有一层抗着色污染的纳米粒子。
In other cases, the finer particles may be removed, while the sand-sized particles are accumulated to form mobile hills or ridges of sand.
在其他情况下，较细的颗粒可能被除去，而沙粒大小的颗粒堆积起来形成移动的山丘或沙脊。
Released as a vapour at high altitude it should produce a screen of properly sized particles, even in a sky that is already hazed.
在高空把硫磺酸蒸发释放，即使是在已经充满云雾的空中，也会形成一层大小合适的微粒屏障。
For particles of different sizes, he says his mechanism might be in play; for identically sized particles, the new model might explain it.
对于大小不一的微粒，他认为自己的理论是行得通的；而对于有着相同大小的颗粒，则可以利用Herrmann的新模型来进行解释。
"First of all, the water isn't in elephant sized particles, it's in tiny tiny tiny particles," explains LeMone.
“首先，构成水的粒子并没有大象那么大，而是非常非常地小。”莱蒙解释说。
In 1907, Einstein likely did not foresee a time when dust-sized particles of glass could be trapped and suspended in air by dual laser beam "optical tweezers."
1907年时，爱因斯坦似乎没能预见到这样的时代，在这个时代，“镭射光钳”发射双重激光，从而困住灰尘一般大小的玻璃微粒，使它们悬浮在空中。
The sulfur industry has developed many methods of moulding sulfur in - to regularly sized particles which can be handled without generating excessive amount of dust.
硫磺工业经过多年努力，已开发出许多种成型方法。硫磺制成具有一定规格的颗粒后，可防止在装卸时产生过多的粉尘。
The nano-sized particles of Fe3O4 were used as catalysts for degradation of the catechol simulated wastewater and o-cresol industrial wastewater with hydrogen peroxide in the oxidation.
以合成的纳米四氧化三铁为催化剂，过氧化氢为氧化剂，催化氧化含邻苯二酚的模拟废水和含邻甲苯酚的工业废水。
The form mechanism of this technology to synthesize the nano-sized particles by supercritical hydrothermal, basic processes and the research achievements presently on this field are reviewed.
简述了超临界水热合成法制备纳米微粒材料技术的微粒形成机理、过程基本工艺及目前所取得的研究成果。
The form mechanism of this technology to synthesize the nano-sized particles by supercritical hydrothermal, basic processes and the research achievements presently on this field are reviewed.
简述了超临界水热合成法制备纳米微粒材料技术的微粒形成机理、过程基本工艺及目前所取得的研究成果。
应用推荐