The change of antioxidant enzyme activity in Skeletonema costatum, Heterosigma akashiwo and Alexandrium tamarense under UV-B radiation enhancement were studied.

研究了赤潮异弯藻、亚历山大藻和中肋骨条藻抗氧化酶活性对UV-B辐射增强的响应变化。

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The effects of enhanced UV -B radiation on wheat in Nanjing and Ningxia we re compared.

对比分析了南京地区和宁夏地区UV-B辐射增强对小麦的影响。

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These changes suggest the possible prescence of active substances in the cells of Antarctic Cyanophyceae-B able to resist UV-B radiation.

这些现象表明，虽然南极地区紫外线辐射很强，但南极蓝藻可以产生多种抗紫外辐射的活性物质来适应这种极端环境。

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Some Class 2 lenses beat the standard: Avaira, for example, block at least 75% of UV-A radiation and 99% of UV-B radiation, according to the package insert.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays

Only a limited number meet Food and Drug Administration standards for "Class 1" protection, in which 90% of UV-A radiation is blocked and 99% of UV-B radiation is blocked.

WSJ: Contacts Lenses That Let In Sun, But Block UV Rays

Vitamin D is incorporated in the body when skin is exposed to sunlight of a certain wavelength but in the UK, during winter months, UV-B radiation can be insufficient to properly support vitamin D synthesis in the body.

BBC: Pregnant women 'ignoring vitamin D advice'