NASA's Dryden Flight Research Center, Edwards, CA, initiated research into this Propulsion-Controlled Aircraft technology in 1989 following a series of about ten military and civilian incidents over a 20-year period in which there were some 1,200 fatalities caused by the loss of the primary flig...
Based on the physical and mechanical characters of micro-heterogeneous material as rock, a new theory of physical cellular automaton (PCA) which can simulate acoustic emission and chaos in the failure evolving proces of micro-heterogeneous rock is set up, according to the energy transfer law. With...
Methods The GST... XU Xing-Xing,WJ Chang,JG Hou,... - 《Academic Journal of Second Military Medical University》 被引量: 5发表: 2010年 Molecular alteration in drug susceptibility against subtype B and C-SA HIV-1 proteases: MD study HIV-1 protease (HIV PR) is one of the most ...
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We are in a couple of busy weeks for General Assemblies and as I work to get caught up on all of them, I will begin with the50th General Assemblyof thePresbyterian Church in Americabeginning today. The Assembly is being held in Memphis, Tennessee, and the Committees of Commissioners are ...
In such a case both topical and systemic antibiotic therapy is indicated. This paper discusses the case of nummular eczema with Staphylococcus aureus superinfection in a 3.5-year-old boy hospitalised at the Department of Paediatrics, Paediatric Nephrology and Allergology of the Mil...
“Tissue and Blood Library Establishment for Molecular, Biochemical and Histologic Study of Breast Disease”, approved by the IRB of the Walter Reed National Military Medical Center (IRBNet #20704) for the CBCP. Written informed consent was given by participants for use of their medical records ...
and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The study was approved by the Ethics Committee of the Xijing Hospital, Fourth Military Medical University (permit: KY20162088-1). Informed consent was obtained from all participants included in the study...
Once we had finally hiked our way up to the first resting point, my anxiety had gone away. In my mind, up to that point, the hike had been fairly easy. We all took our time to look around and drink our water and take pictures; my mom got slightly upset when I wanted to take on...
following a series of about ten military and civilian incidents over a 20-year period in which there were some 1,200 fatalities caused by the loss of the primary flight-control system in the aircraft. NASA sought to develop a backup system for landing a jet using only the throttles for ...