果皮和胚乳的致密结构是内部高压形成的重要保证。
The compact structure of the pericarp and endosperm is an important guarantee for the formation of grain internal high pressure.
修改的挡土墙，应该产生一个更好的外观，并形成致密结构。
For the modification of the retaining wall, it should produce a better appearance, and the formation of dense structure.
另外，还要确保最外面的大衣是用致密结构的防水材料制成的。
Also, make sure outerwear is made of water resistant and tightly knit material.
通过对材料进行干燥和退火处理，科学家们移去了弱的结合水以使陶瓷纤维形成致密结构。
By drying and annealing the material, the scientists mainly remove weakly bound water to make the ceramic fibres form a denser structure.
结果表明，机械镀锌-铝镀层主要是由尺寸不等的锌粉颗粒相互参杂、填充，形成致密结构体；
The results show that the coating is mainly composed of zinc particles of different size intermixing and filling reciprocally, and therefore a dense structure is formed;
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。
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。
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.
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