An important constraint on mechanisms of past
carbon cycle variability is provided by the stable isotopic
composition of carbon in atmospheric carbon dioxide (δ¹³C-CO₂) trapped in polar ice cores, but obtaining very precise
measurements has proven to be a significant analytical challenge.
Here we describe a new technique to determine...
The purpose of the dissertation was to gain an understanding of counselor professional identity and identity development, as well as an understanding of the experiences of doctoral students as they develop their professional identity within a nontraditional (hybrid) counselor education (CE) program. This was accomplished through systematic literature review of...
Given the current abundant supply and cheap price of natural gas (NG) in the United States, there is a significant opportunity to use this fuel for transportation. However, there are few fueling stations for consumers. To address this need, a dual-mode engine has been developed where in one mode all...