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Jingjing Xia, Jichen Xu, Zhixiong Zeng, Enli Lv, Feiren Wang, Xinyuan He and Ziwei Li
To obtain good productive performance, sows have different nutrition requirements at different gestation periods. However, in gestation stalls, conventional feeders have large relative errors, management is difficult because of the large numbers of sows,...
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Zhixiong Peng, Yawu Zeng, Xi Chen and Shufan Cheng
Rock damage caused by its microcrack growth has a great influence on the deformation and strength properties of rock under compressive loading. Considering the interaction of wing cracks and the additional stress caused by rock bridge damage, a new calcu...
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