Therefore, there is a great need to investigate the effectiveness of using CFRP systems that mitigate the debonding problems in the repair of PS girders damaged due to the impact a vehicle collision.
Officials said a train derailment that killed seven people last week was caused by problems in track repaired late last year and inspected the day before the accident.
Yar'Adua instituted a reform of the oil sector, tightened his grip on the military, and reduced corruption; he faced daunting problems, however, in repairing the electricity grid.
One form of XP, however, is caused by abnormal DNA synthesis after UV irradiation13, rather than by a problem in excision repair.
This can cause a problem in the repair work in terms of the qualitative performance as well as the quantitative performance (Cusson and Mailvaganam 1996; Do 2009; Emmons et al. 2000; Emmons 1995; ICRINo.320.2R 2009; Keoleian et al. 2005; Kosednar and Mailvaganam 2005; Nabhan 2007; Singh 2005; Vaysburd et al. 2000; Vaysburd 2000).
A major problem in cartilage repair is the lack of chondrogenic cells migrating from healthy tissue into defects.
There are critical structural and environmental problems in need of repair: crumbling sidewalks, a sinking seawall, bacteria-infested waterways, dying trees and wildlife.
Ethan Henerey and Kate Eales, who moved into a $645,000 three-bedroom condominium in Kensington, Brooklyn, on July 15, have been able to get a lot of problems in their apartment repaired, but still have more that have not been addressed.
WASHINGTON (RNS) The iconic Washington National Cathedral, already struggling with financial problems, faces millions of dollars in repair costs from the damage inflicted by Tuesday's (Aug. 23) East Coast earthquake.
To make these visions a reality, the researchers, from the Center for Environment, Economy and Society, at Columbia, have begun a sweeping effort to identify and repair problems in the town and region and to capitalize on their assets.
