Through rock mechanics analysis , basalt has the most compression strength , while that of trachyte is relatively weaker 经岩石力学分析,玄武岩抗压强度最大,粗面岩抗压强度相对较弱。
Tests for thermal and weathering properties of aggregates - part 3 : boiling test for " sonnenbrand basalt " ; german version en 1367 - 3 : 2001 集料的热性能和抗风化性能试验.第3部分: " sonnenbrand
As a result , major lunar eruptions of basalt , the most common volcanic rock , ceased nearly three billion years ago 因此在约30亿年前,月球上大多数的玄武岩岩浆(最常见的火山岩)喷发就已经停止了。
Strength and crack resistance capability of concrete will be improved after being reinforced by chopped basalt continuous fiber 在混凝土中掺加乱向短切玄武岩纤维后,其强度及抗裂性能均会得到改善。
Generally speaking , extensional fractures are developed in the basalt while extensional and shear fractures are developed in the trachaye 玄武岩中一般发育张性裂缝,粗面岩中一般发育张、剪性裂缝。
Significances of deep - seated xenolith in cretaceous basalt of inner mongolia significances of deep - seated xenolith in cretaceous basalt of inner mongolia 内蒙古四子王旗早白垩世深源捕虏体的发现及意义
It belong series of the alkaline basalt , and have character of island ocean in geochemistry and petrochemistry 岩石化学、地球化学特征表明,该组火山岩属碱性玄武岩系列大西洋型(钠质类型) ,具洋岛特征。
The rocks around austin are mostly limestone , but dolomite , clay , basalt , tuff , sandstones , and river gracel are also present 奥斯汀的岩石大部份是石灰岩,但也有大理石,粘板岩,玄武岩,凝灰岩,沙石等。