ion spot

英 [ˈaɪən spɒt]

美 [ˈaɪən spɑːt]

离子斑点（阴极射线管及显象管的荧光屏由于离子轰击而损坏的斑点）

The experimental results show that in most cases, only one cathode spot can be found in the discharge zone of vacuum arc ion source, and the spot moves a little during the same discharge.
实验结果表明，当脉冲工作电流为101&102A时，真空弧离子源放电区一般只有单个阴极斑，阴极斑的位置在同一次放电中的变化很小；
Background and objective With the development of patch clamp and molecular biology technique, and the application of them in the investigation of tumor cellular membrane ion channnel, the ion channel is becoming the hot spot of the tumor base research gradually.
背景与目的随着膜片钳技术和分子生物学技术的发展，及其在肿瘤细胞膜离子通道研究中的应用，肿瘤细胞膜离子通道已逐渐成为肿瘤基础研究的热点。
A low energy RF ion source with large beam spot
低能大束斑射频离子源
Microorganism may reduce the metal ion in the solution with its surface electricity and active spot.
微生物可能通过其表面的带电电荷和活性位点来结合重金属，从而使溶液中的金属离子减少。