Starting on the next day, however, explosion levels picked up and several episodes of high ex-plosivity were observed (Lees et al., 2008).
BP's share price has not returned to its pre-explosion level, but it has risen 60 percent from the low it sank to last July.
"On a relative price-earnings-multiple basis, tech stocks are once again back to pre-explosion levels," he said, prompting many investors to think value is restored.
If a 330-foot asteroid hit southern California, they estimated, the explosion would level cities and kill tens of thousands.
Explosion overpressure levels are generally considered the most critical measurement.
This 81 mm shaped charge and jet attack configuration is used to determine whether an acceptable explosion or lower level response is observed.
But even at the most basic, mechanical level — explosions, corpses flying through the air, acrobatic fighting moves — the game rarely rises beyond the mediocre.
After six days of violence, the focus of the debate in Israel has shifted to whether the massive Arab protests are a spontaneous, street-level explosion, or one orchestrated by Mr. Arafat.
Re "Trouble With Marijuana Arrests" (editorial, Sept. 27): While Police Commissioner Raymond W. Kelly's memo may mark the end of the explosion in low-level marijuana arrests, let there be no doubt that the broader issues related to the New York Police Department's escalating use of stop-and-frisk remain as troublesome as ever.
Open image in new window Fig. 1 Village-town-county three-level explosion prevention mechanism.
A multi-level explosion risk analysis method (MLERA) is developed in this paper, which divides the whole structure into subsections and applies detailed CFD calculations only to the areas with the highest level of potential risks so that the computational time can be reduced to a realistic and acceptable level.
