双频激发为容性耦合等离子体中调控离子能量提供了一种有前景的手段，但其对沉积于电浮置(electrically floating)基底上涂层的影响仍知之甚少。本研究在低压等离子体增强化学气相沉积(PECVD)反应腔中，采用13.56 MHz与400 kHz组合激 双频激发为容性耦合等离子体中调控离子能量提供了一种有前景的手段，但其对沉积于电浮置(electrically floating)基底上涂层 ...

England played DR Congo in Atlanta, which sits 300 meters above sea level. Mexico City is 2,240 meters above sea level, where the thinner air reduces the amount of oxygen available with each breath.

XINING, July 1 (Xinhua) -- As the Qinghai-Xizang Railway marks 20 years in operation, data technicians remain steadfast at their observation posts, helping to secure the tracks, protect passenger safe ...

It's never been easy for fishermen in England's southwest to make a living, but now they face a competitor: around 200,000 ...

Spoiler: We're never getting another grill.