Results 21 to 30 of about 993,171 (249)
Dynamic Security and Stability Region Under Different Renewable Energy Permeability in IENGS System
IEEE Access, 2021 The integration of renewable energy sources (RESs) remains growing rapidly in recent years. At the same time, security problems after contingencies were attracting great attention, due to deficiencies for the stable operation, even could induce the ...
Saniye Maihemuti +4 more
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Intention to Vaccinate against COVID-19 in Adolescents: A Systematic Review
Vaccines, 2023 Background: Multiple COVID-19 vaccines have been approved for use in adolescents; these vaccines play a critical role in limiting the transmission and impact of COVID-19.
Shyn Yi Tan +2 more
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Connected and connectivity multifunctions [PDF]
Proceedings of the American Mathematical Society, 1977 Conditions are given under which multifunctions which preserve connected sets will have a connected graph.
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Measuring Changes in Perceptions of Access to Pet Support Care in Underserved Communities
Frontiers in Veterinary Science, 2021 Understanding social, economic, and structural barriers to accessing pet care services is important for improving the health and welfare of companion animals in underserved communities in the U.S.
Sloane M. Hawes +6 more
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Rainbow Connection in 3-Connected Graphs [PDF]
Graphs and Combinatorics, 2012 An edge-colored graph $G$ is rainbow connected if any two vertices are connected by a path whose edges have distinct colors. The rainbow connection number of a connected graph $G$, denoted by $rc(G)$, is the smallest number of colors that are needed in order to make $G$ rainbow connected.
Li, Xueliang, Shi, Yongtang
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电力工程技术, 2023 In order to meet the grid connection requirements of new energy power generation and ensure the stable operation of the power system, in view of the security problems brought by the uncertainty and volatility of intermittent new energy power generation ...
CHEN Yang +4 more
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Criterion of single-phase fault nature of AC line considering the influence of commutation failure
电力工程技术, 2022 The amplitude of AC line current at the inverter side is affected by DC commutation failure and fluctuates for a short time after single-phase trip.The fluctuation range increases with the increase of the number of DC commutation failures,resulting in ...
LI Fengting +4 more
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Under-Connected and Over-Connected Networks [PDF]
SSRN Electronic Journal, 2009 Since the seminal contribution of Jackson & Wolinsky 1996 [A Strategic Model of Social and Economic Networks, JET 71, 44-74] it has been widely acknowledged that the formation of social networks exhibits a general conflict between individual strategic behavior and collective outcome.
Buechel, Berno, Hellmann, Tim
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Pediatric Blood &Cancer, EarlyView.ABSTRACT Introduction Adolescent siblings of children with cancer are at elevated risk for psychosocial problems. Unfortunately, various barriers such as limited family time and resources, conflicting schedules, and psychosocial staffing constraints at cancer centers hinder sibling access to support.
Christina M. Amaro +10 more
wiley +1 more source
The blueprint for survival: the blue dasher dragonfly as a model for urban adaptation
BMC Ecology and EvolutionBackground Human alteration of natural environments and habitats is a major driver of species decline. However, a handful of species thrive in human altered environments. The biology, distribution, population structure, and molecular adaptations enabling
Ethan R. Tolman +19 more
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