However, the long-term effects of smart drugs on otherwise healthy brains were unknown, delaying safety assessments.
In between, funding problems, construction delays, safety arguments, cost overruns and political disputes have dogged the project, which was nearly cancelled altogether in 2011.
In recent months, Mr. Nelson has been critical of NASA for budget shuffling, which he said was delaying safety upgrades in the shuttle program.
We propose a novel vision for roadway safety warning based on sensor networks, aiming at providing user-friendly zero-delay safety warnings to motorists.
Indeed, skies all around the world are becoming increasingly crowded, leading to a global increase in delays, safety issues and greater environmental impact.
No study procedure delays, safety events, or major protocol violations occurred.
A20 SCIENCE/HEALTH Shuttle Flight May Be Delayed Delays in safety assessments could cause NASA to delay launching the space shuttle Discovery for a week beyond its planned May 15 liftoff, an agency official said.
End-to-end delay of safety messages: Average time period required to transmit a safety message from the source to the destination.
Following the Fukushima accident, most of the developing countries with plans for new nuclear stations, and many of the developed countries, are expected to press ahead, though with some delay for safety reviews.
Furthermore, the delay in safety messages should be less than 200 ms in vehicular adhoc networks (VANETs).
Through the simulation, traffic flow characteristics including speed, density, delay, and safety condition of different types of vehicles are obtained.
