The research on photosynthesis of vitamin D2 and D3 is reviewed.
综述了光化学法合成维生素D_2和D_3的研究进展。
The vitamin used in this study is a plant-derived type called vitamin D2.
本次实验中使用的维生素是从植物中提取的，是维生素d2。
CONCLUSIONS Liposomes can be used as a carrier of vitamin D2 in topical application that increase the permeability through the rat skin.
结论：脂质体作为维生素d2皮肤局部给药的载体，能够提高对皮肤的穿透力。
The multilamellar vesicles detained a higher amount of vitamin D2 than the unilamillar vesicles in skin. The amount of vitamin D2 in the receiver cell did not increase significantly.
维生素D2脂质体可使维生素D2在皮肤层中滞留，而且多室脂质体凝胶剂比单室脂质体凝胶剂在皮肤层中维生素D2的滞留量多。
Researchers gave patients low dose vitamin D2 (1000 international units) daily, while 11 people also received a high dose supplement to mimic blood levels found in people from sunny climates.
研究人员每天给病人补充小剂量的维生素d2(1000国际单位)，而11人为模拟晴天时人们的血压水平同时补充了大剂量。
During the UK winter, vitamin D from foods fortified with the vegan form (ergocalciferol, D2) can help to compensate for limited light exposure.
英国的冬季，强化食品中的纯素维生素D（钙化醇，维生素D2）可以帮助弥补有限的日晒。
During the UK winter, vitamin D from foods fortified with the vegan form (ergocalciferol, D2) can help to compensate for limited light exposure.
英国的冬季，强化食品中的纯素维生素D（钙化醇，维生素D2）可以帮助弥补有限的日晒。
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