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非蛋白氮饲料
释义
非蛋白氮饲料
Encyclopedia
农学
〔饲料和饲料添加剂产品〕
释
non-protein nitrogen feed
非蛋白氮饲料
为补充反刍动物瘤胃中微生物繁殖所需氮源,节省真蛋白质资源而在饲料中添加的非蛋白质态含氮化合物(NPN)。
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bronze smelting technique in ancient China
Bronzes of Dian State at Jinning
bronzes of Qiuwei
bronzes of State Chu unearthed at Shou County, Anhui Province
bronzes of the Ba and Shu States
Bronzes of the Cai State
bronzes of the Chu State
Bronzes of the Guo State
bronzes of the Huang State
bronzes of the Jin State
Bronzes of the Ji State
bronzes of the middle and late Shang Dynasty
bronzes of the Rui State
bronzes of the Shang Dynasty from Houjiazhuang
bronzes of the Shang Dynasty from Qingjiang
bronzes of the Shang Dynasty from Zhengzhou
bronzes of the Site of Erlitou
Bronzes of the Spring and Autumn and the Warring States Periods
bronzes of the Wu and Yue States
Bronzes of the Xue State
bronzes of the Yan State
bronzes of the Zhongshan State
Bronzes of Yangxin Family Unearthed near Mao Mausoleum
Bronze Square Desk with Golden Dragon and Phoenix
Bronze Square Ding of Qinzi
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