The experimental and theoretical studies of the electron screening effects in charged-particle induced reactions at energies of astrophysical interest are summarized briefly.
简要介绍了天体物理感兴趣能区带电粒子核反应中的电子屏蔽效应的实验及理论研究。
The measurement methods of particle size of nano-CaCO_3 including SEM method, laser size distribution method, sedimentation volume method and screening method are discussed.
讨论了对纳米碳酸钙的粒径测量方法，如：电镜、激光粒度分布仪、沉降体积、筛分法。
We use ternary screening equipment to effectively separate materials with various particle sizes; therefore provide our customers with high quality services.
采用三元分筛设备，有效分离不同粒径粉料，为客户提供更精准的服务。
It appears to be dark green beans with a brown color and large particle size after times manual screening. You can brew a cup of coffee with perfect integration of the delicate and rugged taste.
豆子的色泽呈现深绿带褐色，颗粒大且烘培均匀，可以煮出完美而融合细腻与粗旷的咖啡。
It appears to be dark green beans with a brown color and large particle size after times manual screening. You can brew a cup of coffee with perfect integration of the delicate and rugged taste.
豆子的色泽呈现深绿带褐色，颗粒大且烘培均匀，可以煮出完美而融合细腻与粗旷的咖啡。
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