A porous silk fibroin membrane could be prepared through freeze-drying process, with dense top surface, porous bottom surface in low porosity and porous inner portion in high porosity.
采用冷冻干燥法可以制得下表面为致密结构，上表面为孔隙率较小的多孔结构，而内部是孔隙率较大的多孔结构的丝素膜。
The abundant AOM of the Wenchang Formation reflects the high productivity in the surface water and reducing dysoxic conditions in the bottom water of the Palaeogene lake.
文昌组的无定形有机质反映了古湖泊表层水的高生产力和湖底水体的贫氧环镜。
This product is coated with a tacky residue-free adhesive on the surface of each layer to attract dirt seeds and a high tack adhesive on the bottom layer for maximum adhesion to the substrate.
该产品每层外测涂有无残留物的粘胶剂，吸附环境中的粉尘；底面又涂有高粘度的粘胶剂，黏附于各种表面。
The plow bottom performance and surface analyses in this paper, will be a reference for high speed plow bottom design and research works.
本文阐述的犁体性能与曲面分析，可供高速犁体设计研究参考。
Near the décollement structure surface, at the bottom of the Cambrian and the top of the Archean, developed an interjacent fractured zone which shows high porosity and high permeability.
构造破碎带附近古生界底部和太古宇顶部出现破碎带，表现为高孔隙度、高渗透率带。
The bottom glue and surface material are compounded by one time's high temperature, without any chemical bond, which is safe, healthy and environment friendly.
底胶和面料经过高温一次性热复合而成，不含化学粘合剂，真正安全、健康、环保。
The structure plate is composed of high-elastic structure, which is provided with an edge raised line, a middle raised line, a bottom flat surface and a bottom concave surface.
由高弹性结构构成，高弹性结构上设置有边凸条、中凸 条、底平面、底凹面；
The structure plate is composed of high-elastic structure, which is provided with an edge raised line, a middle raised line, a bottom flat surface and a bottom concave surface.
由高弹性结构构成，高弹性结构上设置有边凸条、中凸 条、底平面、底凹面；
应用推荐