Our experiments showed that it can ensure the same stability of thermalemission current by use of a new method of corroding cathode point.
实验表明,采用新方法对阴极尖端进行腐蚀后得到的尖端阴极,同样可保证热发射束流的稳定性要求。
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The topography is from digital elevation data collected by the Advanced Spaceborne ThermalEmission and Reflection Radiometer (ASTER) on NASA’s Terra satellite.
The Advanced Spaceborne ThermalEmission and Reflection Radiometer (ASTER) on NASA's Terra satellite captured these false-color images before and after the tsunami.