奖牌
发表于 2025-3-26 23:39:24
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evanescent
发表于 2025-3-27 02:09:27
Conservation of Energy,on of energy were accepted as fundamental laws of nature by the scientific community. Conservation of mass can be attributed largely to quantitative investigations by Antoine-Laurent Lavoisier, who began an investigation of combustion in 1772 when the chemical nature of air was still a mystery. Reco
bourgeois
发表于 2025-3-27 07:47:11
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绕着哥哥问
发表于 2025-3-27 13:02:02
Circulation,rgans, removes products of metabolic reactions, and transports heat from warm central organs to the skin where it is removed from the body. Those requirements must be met simultaneously without compromising central blood volume or cardiac performance—a very challenging task. While many aspects of ci
infringe
发表于 2025-3-27 15:41:01
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得意人
发表于 2025-3-27 19:07:26
Temperature Distribution in the Body,on is not large, ranging from 37 to 38 °C in metabolically active organs, such as the braien, heart, and liver, to 30–32 °C on the skin of hands and feet. Temperature change in critical central organs is strongly resisted by thermoregulatory mechanisms, while appreciable variation occurs in peripher
Modify
发表于 2025-3-28 00:24:17
Clothing,ppropriate for ambient conditions. Although aesthetic factors often determine selection of clothing, our concern is with clothing used to provide relief from uncomfortable and sometimes life-threatening ambient conditions. During exposure to cold, clothing is worn primarily to stay warm. Under other
轿车
发表于 2025-3-28 03:42:18
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creatine-kinase
发表于 2025-3-28 08:15:15
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Abnormal
发表于 2025-3-28 11:59:10
,Sir Francis Drake - Dreister Pirat oder legendärer Seefahrer?,ste Drake um die Welt – zum Wohle Englands und auf der Suche nach eigenem Ruhm und Reichtum. Doch welche Leistungen zeichnen Francis Drake aus? War Drake nun ein strahlender Held oder doch nur ein mit allen „Wassern gewaschener“ Abenteurer und Eroberer?