The effect of a treatment combining isothermal cryogenic rolling and single electro-pulsing on the structure hardness M1 grade copper with an initial grain size 10 –15 ?m was investigated. Copper deformed at liquid nitrogen temperature by multi-pass total reduction 90 %. Subsequent electro-pulse (EPT) carried out in interval integral current densities (Kj) from 3.5 ×104 to 8.1×104 A2 s / mm4. N...

We have included opacity tables in our stellar evolution code that enable us to accurately model the structure of stars composed of mixtures with carbon and oxygen independently enhanced relative to solar. We present tests to demonstrate the effects of the new tables. Two of these are practical examples, the effect on the evolution of a thermally pulsing asymptotic giant branch star and a Wolf-...

We construct binary-star population nucleosynthesis models of carbon-enhanced metal poor (CEMP) stars. We compare the CEMP to EMP (extremely metal poor) ratio of our models to the observed ratio and find it is an order of magnitude too small. Through an increase in the efficiency of third dredge-up in low-mass, low-metallicity thermally-pulsing asymptotic-giant branch (TPAGB) stars our models b...

Constructed, mitigation wetlands in the midwestern United States are frequently dominated by a Typha spp. monoculture and their hydrologies often determined adjustable control structures. Wetlands provide habitat for multiple macroinvertebrate species, which turn food other organisms inhabiting wetlands, such as waterfowl. This study examined impacts of plant diversity manipulated hydrology on ...