Effects of soil salinization and noncapillary porosity on the biomass forming and ecological dominance of leymus chinensis community .
土壤盐碱化程度及非毛管孔隙度对羊草群落生物量及优势度的影响。
This image , which shows the porosity of the rock , and the channels between the pores , is then subject to a computer analysis that reveals how easily hydrocarbons will flow through it under pressure-and thus the likely productivity of a well dug at that site .
Commonly the dolomite crytals form a framework with evenly distributed porosity .
通常白云石晶体构成格架，它有均匀分布的孔隙。
Different porosity reading on the neutron porosity log for the same formation due to gas in the pore space .
由于孔隙空间存在着气体，同一地层的中子孔隙度测井和密度孔隙度读数不同。
However , in the vicinity of tourism passage , some physical properties have slightly changed which makes porosity of soil narrowed down , which is considered as the negative influence brought up by the tourism on soil .
