The anion is one kind of air ion with negative electric charge.
负离子是一种带负电荷的空气离子。
Objective to explore the effect of the aerosol with negative electric charge on epidermal stem cell in burned wounds and its mechanism to improve the wound healing.
目的探讨荷负电气溶胶对烧伤创面表皮干细胞影响以及其促进创面愈合的机制。
When the photon ACTS as the medium of electric field, it is called photonic polaron. In this case, the photon is polarized as positive and negative electric charge.
光子作为电场的介质时，称为光极子。这时，光子具有正、负电荷的极性。
An elementary particle in the lepton family (not a meson), having a mass209 times that of the electron, a negative electric charge, and a mean lifetime of2.2? 0-6 second.
介子轻子族中的一种基本微粒(非介子)，其质量为电子的209倍，是一种负电荷，平均寿命为2。
The dissolving electric charge, surficial positive charge and CTR increased and surficial negative charge decreased with increase of the starch dosage.
新闻纸浆的可溶净电荷、表面阳电荷和CTR随淀粉用量的增加而增加，表面阴电荷随淀粉用量的增加而减小。
The dissolving electric charge, surficial positive charge and CTR increased and surficial negative charge decreased with increase of the starch dosage.
新闻纸浆的可溶净电荷、表面阳电荷和CTR随淀粉用量的增加而增加，表面阴电荷随淀粉用量的增加而减小。
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