atomic number 24是什么意思 atomic number 24在线翻译 atomic number 24什么意思 atomic number 24的意思 atomic number 24的翻译 atomic number 24的解释

1. Atomic number Z = 24, atomic weight of 5196, the chemical symbol Cr, there are four kinds of natural isotope 5024Cr, 5324Cr, 5424CrF and 5524Cr.
    原子序数Z＝24，原子量5196，化学符号Cr，天然同位素有四种5024Cr、5324Cr、5424CrF和5524Cr。

2. The cells in the blank control group were cultured for 24 hours. Particle diameter was measured using atomic force microscopy; morphology was observed using electron microscope; effect of different concentrations of graphite carbon nanoparticles on cell number was detected using hemacytometry under optic microscope; the effect of 7.5 mg/L graphite carbon nanoparticles on ultramicrostructure was observed under transmission electron microscope.
    用原子力显微镜测量石墨碳纳米颗粒的粒径，电子显微镜观察石墨碳纳米颗粒的形态特征；用细胞计数板在光学显微镜下计数不同浓度石墨碳纳米颗粒对细胞数量的影响；透射电镜观察7.5 mg/L石墨碳纳米颗粒对细胞超微结构的影响。