The ultraviolet-B radiation 紫外光谱UV
ultraviolet-B radiation stress UVB胁迫
enhanced ultraviolet b radiation 紫外辐射增强
enhanced ultraviolet-b radiation 紫外
ultraviolet radiation b 紫外线b辐射
Results The radiant intensity of ultraviolet B radiation was seasonal.
辐射强度与辐射粒子的能量、静质量、简并因子有关。
The body gets most of its vitamin D not from diet but from skin exposed to the ultraviolet B radiation in sunlight.
身体获取的大部分维他命D不是从饮食而是靠皮肤曝露在阳光中的紫外线B射线取得的。
As skin pigmentation increases, so does the period of exposure to ultraviolet B radiation from sunlight needed to synthesise adequate amounts of vitamin d.
当皮肤色素沉着增多，所以需要暴露于阳光下紫外线B辐射的足够时间以合成足够数量的维生素d。
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