Macroscopic deviations from isotropy occur due to bedding, schistosity and also sometimes fracturing.与各向同性相差很大的情况往往产生于层理, 片理,某些时候则由于断裂所造成.Therefore, CNOOC's proposed drilling fracturing with reasonable sanding recov...
Two kind of separated perforating and pulse fracturing composite charges are studied.论述了低渗油气层的地质特征;研究了两种分离式射孔脉冲压裂复合弹.Macroscopic deviations from isotropy occur due to bedding, schistosity and also sometimes fracturing.与各...
对于紫外区通常用毫微米这一名词.For ultraviolet, nanometer is a preferred term.肌纤维膜厚约7.5毫微米,同包裹着其它细胞的壁一样, 是一层单位膜.The sarcolemma, about 7.5 nm thick , is a unit - membrane like that investing other cells.毫微米十亿分之一米 ( 10 - 9 )One billionth...
In the lizard, a muscular septum partially divides the ventricle.在虫蜴中, 肌肉质的隔膜把心室部分地隔开.Methods: Cranipharyngioms in 10 cases were removed by trans callosal - septum pellucidum - interforniceal approach.方法: 经胼胝体-透明隔 - 穹窿间入...