目的探讨过氧化氢等离子低温灭菌对牙科高速涡轮手机（简称手机）的灭菌效果及对手机的损耗情况，以增加手机的使用寿命。
Objective To explore the effects and damages of low-temperature sterilizing with hydrogen peroxide gas plasma (HPGP) on dental high speed turbine handpieces, so as to prolong its service life.
由衬底损耗机制，讨论了衬底阻抗、氧化层电容和衬底有效介电常数对滤波性能的影响。
Increasing the substrate resistance and reducing the substrates' oxide thickness and coupled capacitances make a reduction of the substrate loss.
铝上有熔盐复盖，蒸发和氧化均较小，故铝的损耗亦小。
As molten aluminum is covered with salt, evaporation and oxidation losses are minimized.
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