(i.e., 1/1, 5/0.5, 1/2, and 2/1 Å s−1, respectively) to build a strain gradient in nanomembrane under a high vacuum of 3.0 × 10−4Pa. The samples were put in different angles inclined relatively to the horizontal to open an etching window at the far end of ...
I gathered courage and looked out through the window and I was really amused with what I saw outside. There was a small puppy lying on an old doormat which my mother had put outside the door. It was wet and trembling. At first it was difficult to see the lite one. It was the ...