نتایج جستجو برای: specific hazard
تعداد نتایج: 1093938 فیلتر نتایج به سال:
Abstract A site-specific probabilistic seismic hazard assessment (PSHA) was achieved in the area of special economic zone authority Duqm, involving evaluation at bedrock conditions and assurance potential site influence on ground motion bedrock. Appropriate source ground-motion prediction models were selected hazards identified by means 5% damped Uniform Hazard Spectra (UHS) for three return pe...
f the mid-1990s through 2001 two of the West’s most implacable terrorist foes, Abu Hafs al-Masri and Abu Khabab, carried on what appears to have been a long-running feud within al-Qaeda, a feud that came to an end only when Abu Hafs al-Masri was killed by the U.S. military. Abu Hafs joined al-Qaeda early on and served as the group’s military commander from 1996 onward. Abu Khabab was a member o...
Toward the establishment of evidence-based recommendations for the prevention of prostate cancer recurrence after treatment, we examined the association between smoking and prostate cancer recurrence in a retrospective cohort study of 1416 men who underwent radical prostatectomy. Surgeries were performed by a single surgeon at Johns Hopkins Hospital between January 1, 1993, and March 31, 2006. ...
Objective To assess the characteristics of biochemical recurrence in the late period (>5 years after radical prostatectomy) and the differences in the predictors of biochemical recurrence in different periods, we conducted a multicenter retrospective study. Methods We reviewed 478 men who underwent radical prostatectomy for clinically localized prostate cancer. All of the patients were follow...
BACKGROUND In randomised clinical trials involving time-to-event outcomes, the failures concerned may be events of an entirely different nature and as such define a classical competing risks framework. In designing and analysing clinical trials involving such endpoints, it is important to account for the competing events, and evaluate how each contributes to the overall failure. An appropriate ...
Introduction: This study covered the assessment of the natural radioactivity levels and heavy metalsconcentration in dust samples collected from selected schools in the holy Governorate of Karbala. The purpose of thisstudy was to assess the radiological health and safety impact of dust pollution on the children going to school. Material and Methods:</...
Endurance Time Method (ET) is a dynamic analysis in which structures are subjected to intensifying accelerograms that are optimized in a way that seismic performance of structures can be estimated at different hazard levels with the best possible accuracy. For the currently available ET accelerograms, regardless of the shaking characteristic, an excitation level is recognized as a representativ...
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