资讯

5 mil where 1 mil = 1/1000 inch) for different purposes, which now include video and digital recording. The tape is coated with an oxide EMULSION, which when exposed to the variations of the magnetic ...
"When a normal metal such as silver or copper is placed in strong magnetic fields at temperatures close to absolute zero, that is −273.15°C, its heat conduction is expected to oscillate—a ...
"When a normal metal such as silver or copper is placed in strong magnetic fields at temperatures close to absolute zero, that is −273.15 °C, its heat conduction is expected to oscillate − a ...