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成年动物经口、静脉和吸入途径给予~(239)钚后,对~(239)钚在机体内的代谢和毒性进行丁广泛的研究,而对未成年动物研究提供满意的材料是很少的。为此,作者用新生和断奶小猪(6周龄)作实验,以便得到~(239)钚在机体内滞留和分布的材料。实验用新出生1天的小猪14只(译者注:原文为21只,与表所列猪只数不符,似应以表为准),为新生小猪组,按每公斤体重1.2～3.2μCi单体钚(柠檬酸盐)静脉注射。另选15只(原文为14只,译者)6周龄小猪静脉注射柠檬酸~(239)钚0.79～1.3μCi/kg。注
After the oral administration of ~ (239) plutonium by oral, intravenous and inhalation routes, adult animals have extensively studied the metabolism and toxicity of ~ (239) plutonium in the body, while little is available for the study of juvenile animals . To do this, the authors experimented with newborn and weaned piglets (6 weeks of age) to obtain materials that retained and distributed ~ (239) plutonium in the body. Experimental use of newborn 1 day 14 piglets (Translator’s Note: The original 21, inconsistent with the number of pigs listed in the table, it should be based on the table), for the newborn piglet group, per kilogram of body weight 1.2 ~ 3.2μCi monomer plutonium (citrate) intravenous injection. Another 15 (original 14, translator) 6-week-old piglets intravenous citric acid ~ (239) plutonium 0.79 ~ 1.3μCi / kg. Note