1919
DOI: 10.5962/bhl.title.9175
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A list of the fishes of Pennsylvania

Abstract: BY HENRY W. FOWLER. The present paper is a summary of the data accumulated during the past twenty years, presented in condensed form, so that the distribution of each species may be traced so far as present details permit. For this reason they are arranged according to the various hydrographic basins with only the counties mentioned, additional records, where noteworthy, being supplied in parentheses. The work is therefore intended as a slight contribution to the distribution of our local fishes. Like many dep… Show more

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Cited by 39 publications
(57 citation statements)
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“…Only the stellar cross sections can be used to compute the appropriate astrophysical reaction rates. The reaction rate for a specific reaction at a given stellar temperature T was then determined by folding the stellar reaction cross section σ * (E) with a Maxwell-Boltzmann distribution of relative velocities between projectiles and targets (Fowler 1974):…”
Section: The Statistical Model and Nuclear Data Inputmentioning
confidence: 99%
“…Only the stellar cross sections can be used to compute the appropriate astrophysical reaction rates. The reaction rate for a specific reaction at a given stellar temperature T was then determined by folding the stellar reaction cross section σ * (E) with a Maxwell-Boltzmann distribution of relative velocities between projectiles and targets (Fowler 1974):…”
Section: The Statistical Model and Nuclear Data Inputmentioning
confidence: 99%
“…If the brass spheres come loose, the electrode can drop onto its neighbor. In other tests, however, this type of problem has only been seen after $10; 000 shots on the switch [26]. Our experiments did have higher peak currents than previous experiments, but had the same overall energy transfer per shot.…”
Section: B Peak Currents and Switch Inductancesmentioning
confidence: 35%
“…The prefires are surprising as we were operating at 67% of the nominal self-break voltage. Other researchers have achieved low jitter operation with no prefires at AE100 kV charge since our experiments by operating this switch at 62-65 psia [26]. The loosening of the toroidal electrode is also surprising.…”
Section: B Peak Currents and Switch Inductancesmentioning
confidence: 87%
“…The relative energy E i between projectile and target is always measured in the system of the respective target state (i.e., the g.s. or excited state), and therefore the integration always starts at zero (Fowler 1974;Rauscher 2011). Thus, the full MB energy-distributed neutrons are also acting on nuclei that are in excited states, not only on nuclei in the g.s., and the reaction rate in Equation (1) has to be defined appropriately by the sum in Equation (2).…”
Section: Definitionmentioning
confidence: 99%
“…Nuclear reactions occurring in astrophysical plasma are described by astrophysical reaction rates; e.g., for neutron capture, the rate is defined as (Fowler 1974;Rauscher 2011) …”
Section: Definitionmentioning
confidence: 99%