porosities

Then the surfactant removal leads to materials of organized cage-like pore structure and tailored porosities and of large surface areas.
除去模板剂后便可以得到高比表面积、可调的孔隙率的笼型孔道结构薄膜材料。
The required porosities for various cases were obtained through varying the diameter of holes and spacing among the holes.
各物理模型通过改变气膜孔径大小和孔间距得到不同的孔阵排列疏密度。
No effects of thickness of the samples on the porosities and ablative properties of the composites can be observed.
制件厚度几乎不影响复合材料的孔隙率和烧蚀性能；
What is more, asteroid porosities may have been even greater immediately after they accreted from the debris of the early solar system.
更重要的是，小行星在刚由早期太阳系里的碎片聚合而成时，孔隙率可能更大。
Each formation will create different effects on the wellbore due to the paraffin content, depth and formation porosities.
由于石蜡含量，井深和地层孔隙度的不同每个地层都会对井筒产生不同的影响。
Porosities of composites decrease with the increase of fibre volume fraction, whereas the mechanical properties increased.
随纤维体积含量增加，复合材料的孔隙率降低、力学性能提高；
The reason of the formation of gas porosities and cracks on the head face of valve tappet has been studied.
本文分析了气门挺杆端面气孔、裂纹形成原因。
This paper is concerned about water dynamics in overlying soil with filling layers of different porosities by simulation experiment.
通过充填柱模拟实验研究了充填复垦中充填层物料孔隙度大小对覆土层含水量变化的影响。
The porosities are measured by water displacement, solvent displacement, helium inflow and mercury pressure.
用饱水法、溶剂法、氦流法和压汞法测定孔隙率。
The quantitative relationship between porosities caused by gas entrapment and mechanical properties of the die casting was studied.
针对压铸过程中气体卷入形成的孔洞与压铸件力学性能之间的定量关系进行了研究。