Results 41 to 50 of about 2,160,574 (295)
Numerical ranges of weighted shifts
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Wang, Kuo-Zhong, Wu, Pei Yuan
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Two-nucleon scattering in multiple partial waves [PDF]
We determine scattering phase shifts for S,P,D, and F partial wave channels in two-nucleon systems using lattice QCD methods. We use a generalization of Luscher's finite volume method to determine infinite volume phase shifts from a set of finite volume ...
Berkowitz, Evan +7 more
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Photic Barriers to Poleward Range-shifts
With climate warming, organisms are shifting their ranges towards the poles, tracking their optimal thermal environments. Day-length, the driver of daily and annual timing, is, however, fixed by latitude and date. Timing and photoreception mechanisms adapted to ancestral photic environments may restrict range-shift capacity, resulting in photic ...
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Rheum nanum, a perennial herb, is a famous traditional Chinese medicinal plant that has great value in modern medicine. In order to determine the potential distribution of R.
Wei Xu +4 more
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How to best track species as they rapidly alter their distributions in response to climate change has become a key scientific priority. Information on species distributions is derived from biological records, which tend to be primarily sourced from ...
Daisy O'Neill +6 more
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Transplant Experiments Point to Fire Regime as Limiting Savanna Tree Distribution
Plant species range shifts are predicted to occur in response to climate change. The predictions are often based on the assumption that climate is the primary factor limiting the distribution of species.
Nicola Stevens +3 more
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Major Expansion of Marine Forests in a Warmer Arctic
Accelerating warming and associated loss of sea ice are expected to promote the expansion of coastal marine forests (macrophytes) along the massive Arctic coastlines. Yet, this region has received much less attention compared to other global oceans.
Jorge Assis +6 more
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One of the strongest biological impacts of climate change has been the movement of species poleward and upward in elevation. Yet, what is not clear is the extent to which the spatial distribution of locally adapted lineages and ecologically important ...
Megan L. DeMarche +2 more
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Interactive range‐limit theory (iRLT): An extension for predicting range shifts [PDF]
AbstractA central theme of range‐limit theory (RLT) posits that abiotic factors form high‐latitude/altitude limits, whereas biotic interactions create lower limits. This hypothesis, often credited to Charles Darwin, is a pattern widely assumed to occur in nature. However, abiotic factors can impose constraints on both limits and there is scant evidence
Alexej P. K. Sirén, Toni Lyn Morelli
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Pion-Nucleon Phase Shifts in Heavy Baryon Chiral Perturbation Theory
We calculate the phase shifts in the pion-nucleon scattering using the heavy baryon formalism. We consider phase shifts for the pion energy range of 140 to $200 $ MeV. We employ two different methods for calculating the phase shifts - the first using the
Alakabha Datta +16 more
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