The energy of the Sun arises not from any burning process but from nuclear fusion, the transformation of hydrogen into helium, in part by a complicated process involving carbon and nitrogen.
2
二氢杨梅素抗氧化活性优异，其作用机制是通过螯合金属离子，从而消除其对自由基氧化的催化作用。
Dihydromyricetin has excellent antioxidant activity. Its antioxidant activity embodies by chelating metal ion and clear the catalysis to free radical oxidation.
3
利用2'，7'二氯双氢荧光素二乙酸酯在共聚焦显微镜下测定内皮中的氧自由基生成量。
The production of oxygen-derived free radicals in the endothelium was measured with 2', 7'-dichlorodihydrofluorescein diacetate using confocal microscopy.
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