Through fluid flowing property, porosity and permeability of reservoir, and the interaction of fluid and solid wall layer, the mechanisms of enhancing oil recovery by vibration were discussed.

从流体流动性能、储层孔渗性能变化、流体- 岩石边壁相互作用演化等方面论述了振动提高石油采收率的机理。

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The gut wall then changes from a protective layer to an open sieve, allowing pathogens normally contained in the gut and then excreted to enter the insect's body.

BBC: GM pollen 'can kill butterflies'

The launcher shoots the bottles at a velocity of 984 feet per second, fast enough to smash a double-layer breeze-block wall and allow assault troops to enter a building, according to the manufacturer, BCB International.

FORBES: Wacky Weapons #1: Water Cooler Bombs Blow Holes in Walls

Wall Street players would be wise to implement immediately a new national security layer of due diligence prior to agreeing to manage Russian and other foreign bond offerings to ensure that the true identity and activities of the borrowers are understood and communicated accurately in prospectuses.

CENTERFORSECURITYPOLICY: Center For Security Policy