This paper reports the result of direct observation of shooting process with high speed camera and the density distribution of the cores.
本文利用高速摄影直接观察的方法对射砂过程进行了研究，同时还对砂芯内的密度分布进行了测试。
This paper reports the successful isolation of islets of Langerhans from the rat pancreas using a modified collagenase digestion, Ficoll density gradient separation and hand-picking technique.
用改良胶原酶消化技术，聚蔗糖密度梯度离心及手法挑拾方法从大鼠胰腺成功地分离出完整的胰岛。
The present paper reports the average nucleon number density in the intrinsic states of SU(3) of the Fermion Dynamical Symmetry Model (FDSM).
给出了费米子动力学对称模型中的SU（3）对称极限的内禀态下的平均核子数密度。
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