搜索结果: 1-2 共查到“pens”相关记录2条 . 查询时间(0.055 秒)
Ammonia concentration in farrowing pens with permanent limited range of motion for lactating sows
gas farrowing pen pig piglet
2014/2/24
Livestock production signifi cantly contributes to emissions of polluting gases emissions like ammonia (NH3
) and
greenhouse gases. Pig production is globally responsible for about 15% of amm...
In Search of the Forme-Pensée: The Influence of Theosophy on Belgian Artists, Between Symbolism and the Avant-Garde (1890–1910)（图）
the Forme-Pensée Theosophy Belgian Artists Symbolism and the Avant-Garde
2009/11/20
Assuming that there are points in common between Symbolism and the avant-garde, little interest has been shown to date in studying these connections. From the point of view of historians of the ninete...