Decrease of materialparticle size enhanced in-vitro protein digestibility of powder feed without conditioning.
物料粒度减小，能提高调质前粉状饲料的蛋白质体外消化率。
2
Testing results show that phosphogypsum materialparticle size distribution is more concentrated, graded poor, good permeability and high shear strength.
试验结果表明：磷石膏颗粒分布较为集中、级配较差、渗透性能良好且抗剪强度较高。
3
But the materialparticle DNA sharp separation purification to the ultra centrifugal equipment (supercentrifuge, turned the head with appurtenance) to set a higher request.