研究了机械活化时间对粉煤灰的视密度、比表面积、粒度分布及活性的影响。
The properties, such as apparent density, specific surface, particle size distribution and activity of mechanical activated fly ash at different grinding time were studied.
在稠度值相同时，铅膏中加入这样的添加剂，其吸水量明显减少，因而可提高视密度。
If they are in the same value of the consistence, the lead paste with such additives has less water, so it can raise the apparent density.
该皮革是在编织结构和视密度及各项强力指标上及耐磨性能均与真皮接近的还原皮革。
The leather is reducing leather, the weaving structure, the apparent density, all strength indexes and wear resistance of which are approximate to those of true leather.
本文搜集整理了由第四系到寒武系的沉积层资料，给出了沉积层总厚度和视密度的分布。
The data of sedimentary layers from the Quaternary down to the Cambrian are collected, and then the distributions of total thickness and apparent density of sedimentary deposits are presented.
本文搜集整理了由第四系到寒武系的沉积层资料，给出了沉积层总厚度和视密度的分布。
The data of sedimentary layers from the Quaternary down to the Cambrian are collected, and then the distributions of total thickness and apparent density of sedimentary deposits are presented.
应用推荐