1·In composite system filled with solid and solid liquid phase, rational particle grade improve particles arrangement closer and increase stacking density.
在固液相填充复合体系中，采用合理的颗粒级配可使颗粒排列更加紧密，提高堆积密度。
2·The porosity gradient of porous aluminium is mostly affected not only by the spontaneous stacking density of granules, but also by the infiltration pressure gradient and solidification sequence.
多孔铝合金的孔隙率梯度主要是由渗流驱动压力梯度与凝固顺序所决定，而颗粒的自然堆积密度影响相对较小。
3·Apart from the benefits to a terminal generally associated with automating container transport, stacking and retrieval, Gottwald's ASCs offer far improved stacking density and faster working speeds.
高华的自动化堆积起重机不但改善了码头的自动化集装箱运输、堆积及检索效率，还提高了堆积密度，加快了工作进程。
4·The relation between DD density meter method and natural stacking method for determining filling value of cut stem was discussed .
对DD密度计法和自然堆积法两种测试膨胀梗丝填充值的方法进行了实验分析对比。
5·The results showed that the dislocation density was very high in as-melt alloy with a small amount of stacking fault and twin.
分析结果表明，铸态合金中含有少量的层错和孪晶，但位错密度较高。
6·After annealing, the density of dislocation decreased but stacking fault and extended dislocation increased.
高温退火后合金中的位错密度降低，层错、扩展位错的密度增加。