Human biological rhythm is 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。
But trying to make sense of the heavens gave us more than the natural cycle of day and night. 探究天空的欲望告诉我们的还不止日夜的自然更替。
You don't even have to cycle every day to be able to feel the benefits from it. 你甚至每天都不必骑自行车。
The influence of Naproxen ( a typical prostaglandin synthetase inhibitor ) and arachidonicacid ( AA ) on the isolated uterus in estrous cycle ( day 14 ) in guinea-pigs was investigated. 本工作观察了典型的前列腺素合成酶抑制剂萘普生与合成前列腺素的前体花生四烯酸对动情周期第14天豚鼠离体子宫肌活动的影响。
Serum basal FSH, and E_ ( 2 ) level on day 2 or 3 were measured, AFC on mid-luteal phase of cycle ( day 21 ) was determined by transvaginal ultrasound scanning. 测定月经周期第2、3天血清基础FSH、雌二醇(E2),阴道B超检查黄体中期(D21)的AFC。