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油层出砂引起的采油套管破坏分析

open access: yes, 1999
本文对采油出砂后形成的空洞引起套管破坏进行了分析,指出如果空洞轴向尺度较大套管可视为细长杆时,套管受轴向力作用方可用压杆稳定理论进行分析 ...
章根德, 高福平
core  

[Correlation between trimethylamine-N-oxide and cardiovascular metabolic markers]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Zhang H   +18 more
europepmc   +1 more source

[White matter microstructural disturbance and its relationship with cognitive function in schizophrenia with comorbidity of metabolic syndrome]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhou J   +7 more
europepmc   +1 more source

[Association between depressive symptoms and renal hyperfiltration in middle-aged and older adults]. [PDF]

open access: yesNan Fang Yi Ke Da Xue Xue Bao
Yang M, Yin H, Li H, Li Q, Ji X, Zhen D.
europepmc   +1 more source

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