نتایج جستجو برای: during 2003
تعداد نتایج: 1772617 فیلتر نتایج به سال:
Many stocks of Atlantic cod (Gadus morhua) on both sides of the North Atlantic are currently at much reduced levels of biomass, but this situation is not in all instances the result of long, continuous decline. Most Northwest Atlantic stocks declined to low levels during the 1970s, but increased during the 1980s before declining even more severely during the late 1980s and early 1990s. Several ...
This paper considers view-dependent rendering method for 3D models represented as binary volumetric octree (BVO) together with reference images and corresponding cameras locations. This representation was proposed and accepted to MPEG-4 AFX (Animated Framework eXtension) as Octree Image Node in the Depth-Image Based Representations (DIBR) group. Originally DIBR-objects were assumed to be diffus...
Time synchronization is critical to modern electrical power systems. Based on the lessons learned from the postdisturbance analysis of the August 14, 2003, northeast blackout, NERC (North American Electric Reliability Corporation) recommendations place a high priority on implementing time synchronization in data-recording devices. This eliminates or reduces the effort involved in comparing even...
Simultaneous genetic evaluations for bulls and cows obtained by mixed model procedures with an animal model incorporating all numerator relationships for artificially sired Holstein cows in northeastern United States were compared with separate (Northeast) mixed model evaluations of cows and sires for predicting genetic evaluations of progeny from dam, sire, and maternal grandsire evaluations. ...
background and aims: congenital anomalies are as the major causes of stillbirths, neonatal death, disability and childhood health problems all over the world. the aim of this study was to determine the incidence and pattern of congenital anomalies in newborn during the first 24 hours of life in shahid-madani hospital, azarshahr, tabriz, during two periods 2002-2003 and 2012-2013 years. methods:...
One of the most promising applications of the family of electronic devices called Flexible AC Transmission System (FACTS) devices is to better regulate power flow in transmission grids. In particular, the Unified Power Flow Controller (UPFC) is the best choice for complete control of power flow control. By selecting proper installation locations and control techniques, UPFCs may be able to prev...
Observations (1978–1991) of distributions of pelagic juvenile Northeast Arctic cod (Gadus morhua L.) show that up to 1/3 of the year class are dispersed off the continental shelf and into the deep Norwegian Sea while on the way from the spring-spawning areas along the Norwegian coast to the autumn-settlement areas in the Barents Sea. The fate of this variable fraction of pelagic juveniles off-s...
Large-scale communications blackouts, such as those carried out by Egypt and Libya in 2011 and Syria in 2012 and 2013, have motivated a series of projects that aim to enable citizens to communicate even in the face of such heavy-handed censorship efforts. A common theme across these proposals has been the use of wireless mesh networks. We argue that such networks are poorly equipped to serve as...
A hidden failure embedded DC model of power transmission systems has been developed to study the power law distributions observed in North American blackout data. We investigate the impacts of several model parameters on the global dynamics and evaluate possible mitigation measures. The main parameters include system loading level, hidden failure probability, spinning reserve capacity and contr...
The aim of the New Zealand Southern ALPs EXperiment (SALPEX) was to study chiefly, but not exclusively, how the Southern Alps promote precipitation on the upwind side of the mountain chain in pre-frontal northwesterly airstreams. The third and most extensive field phase of the experiment ran for three weeks during October 1996, and documented two events in considerable detail. The present paper...
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