Advances in research on biological cycle of Se and active se-containing substances
硒的生物循环及含硒活性物质研究进展
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保健食品是具有与生物防御、生物节律调整、防止疾病、恢复健康等有关的功能因素,经设计加工,对生物体有明显调整功能的食品。
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橡胶与砂仁间作复合生态系统营养元素循环的研究
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Human biological rhythms are related to the natural cycle of day and night.
人的生物节奏与昼夜的自然循环有关.
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Uranium has been redistributed by biological processes as well as in the sedimentary cycle.
由于生物作用,以及沉积旋回,铀发生重新分布.
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