4,149 research outputs found
The effectiveness of a home-care program for the parents of orthopedically handicapped children
Thesis (M.S.)--Boston Universit
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Wetland restoration design modifications to mitigate climate change impacts at Delaware Water Gap National Recreation Area: A case study report
Historic temperature and precipitation trends, and their projected climate change effects, were used to inform the development of wetland design tactics to restore a 30-acre degraded wetland at Delaware Water Gap National Recreation Area. The adverse effects of climate change to be addressed in the restoration design include increasing average daily air temperatures, rising stream and groundwater temperatures, increasing stream erosion, increasing precipitation, and increasing lake evaporation. Specific actions or tactics were developed that provide prescriptive direction in how restoration strategies can be translated to changes in on-the-ground conditions. Traditional on-the-ground tactics are described, along with modifications to the traditional tactics that should facilitate adaptation and increase the system’s capacity to survive adverse effects of climate change
Radiation temperature measurements of the nitrogen afterglow plasma
Radiation temperature measurements of nitrogen afterglow plasm
Cold War Revival: Neoconservatives and Historical Memory in the War on Terror
Throughout the cold war, neoconservative intellectuals argued that the United States is an inherently virtuous nation engaged a permanent struggle against enemies at home as well as abroad. This essay addresses the ways that contemporary neoconservative voices have tried to revive the narrative of struggle, in part by claiming that the war on terror must be understood as a “present danger” that resembled the cold war. According to these commentators, a victorious strain of American foreign policy was born during the early years of the cold war. After three decades of setbacks and faltering national “will,” these principles were supposedly were reanimated by Ronald Reagan, who eventually carried the nation to triumph. By arguing that Americans are capable of restoring abandoned paths to victory, neoconservatives insist that the lessons of the cold war must be revived and applied to the struggle against radical Islam
An x-band waveguide cell for study of microwave propagation through magnetoplasma technical report no. 16
Metal X-band waveguide cell for study of microwave propagation through magnetoplasm
Microwave measurement of the probability of collision of low energy electrons in nitrogen technical report no. 17
Collision probability for momentum transfer of low energy electrons in nitroge
Instabilities and turbulence in highly ionized plasmas in a magnetic field Semiannual status report, 1 Sep. 1970 - 28 Feb. 1971
Instabilities and turbulence in highly ionized plasmas in magnetic field related to problems of thrustors for manned space flight and plasma generated energ
Lin-Kernighan Heuristic Adaptations for the Generalized Traveling Salesman Problem
The Lin-Kernighan heuristic is known to be one of the most successful
heuristics for the Traveling Salesman Problem (TSP). It has also proven its
efficiency in application to some other problems. In this paper we discuss
possible adaptations of TSP heuristics for the Generalized Traveling Salesman
Problem (GTSP) and focus on the case of the Lin-Kernighan algorithm. At first,
we provide an easy-to-understand description of the original Lin-Kernighan
heuristic. Then we propose several adaptations, both trivial and complicated.
Finally, we conduct a fair competition between all the variations of the
Lin-Kernighan adaptation and some other GTSP heuristics. It appears that our
adaptation of the Lin-Kernighan algorithm for the GTSP reproduces the success
of the original heuristic. Different variations of our adaptation outperform
all other heuristics in a wide range of trade-offs between solution quality and
running time, making Lin-Kernighan the state-of-the-art GTSP local search.Comment: 25 page
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