Glass knives for ultramicrotome were improved by sputter and evaporating coating cut-ting dege with a film of tungsten.
通过溅射的真空蒸发镀膜使超薄切片机上使用的玻璃刀口上带有一层钨膜。
2
Theequation makes the measuring accuracy of residual stresses with hole-drilling method with cut-ting tools improved greatly.
本关系的获得使得采用刃具钻孔测量残余应力的精度有很大提高。
3
The existence of electric current in the conductor(not closed)which is cut-ting the magnetic lines of force(B-lines) variably in the magnetic field is pointed out, and the acceleration is discussed.