求翻译：清洁级健康Spraugue Dawley（SD）成年大鼠，共68只，雌雄各半，体重（200g±50）g，广东省实验动物中心提供。动物在安静、干燥、通风的环境中饲养一周后开始实验，食用普通颗粒鼠粮，自由饮用清洁用水。分别随机选取9只灌胃给予按上述方法制备好的姜黄素单体，姜黄素脂质体，冰片-姜黄素脂质体，给药剂量均为4ml。给药15、30、45、60、90、120、150min后取血。是什么意思？

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Clean-level health Spraugue Dawley (SD) adult rats, a total of 68 females, only half, weight (200 ± 50 g) (g, the Guangdong provincial laboratory animal centers. Animals in quiet, dry, airy environment, keeping a week after the start of the lab, food grains, grain free Food & Beverage mouse with

Clean level health Spraugue the Dawley(SD) grown-up big mouse, altogether 68, are half and half female and male, the body weight (200g±50)g, the Guangdong Province experimental animal center provides.The animal after peaceful, dry, the well ventilated environment raises a week to start to test, the

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