Saturated system behavior - Surface boiling and controlled blowdown Final report

Surface and static pressure effects on nucleate pool boiling, and depressurization response of saturated syste

Stormwater Banking Program: Turning Theory into Practice

2008 S.C. Water Resources Conference - Addressing Water Challenges Facing the State and Regio

Looking at the past for help in the present: The role of historical photos in middle and secondary history classes

The purpose of this article is to provide guidance on how teachers can introduce historical photographs to their history class. Werner (2002) argues that visual texts are no longer simple tools that enhance the look of a written text, but are central to student learning. We (one author is a veteran social studies teacher and the other author is an education professor) specifically address Werner’s call for social studies educators to teach students how to be critical readers of visual texts. In the manuscript, we discuss the role of historical photographs in social studies classes and provide practical methods and activities teachers can use to introduce more images to their students. By bridging students’ visually rich outside world with the world inside the classroom, we seek to enable leaners to be interpreters rather than uncritical consumers of visual texts

A Limnological Study of Ricks Pond and the Gulpha Creek Drainage in Garland County, Arkansas

A limnological investigation of Ricks Pond and the Gulpha Creek drainage of Garland County, Arkansas was conducted between 1 June 1978, and 21 August 1978. Water samples taken from ten stations on three different dates indicated that the stream and pond systems were typical in water quality characteristics of other small, high gradient streams and impoundments in the Ouachita Mountains of Arkansas. In Ricks Pond, thermal stratification occurred along with the development of an oxygen deficient zone below a depth of one meter. Other water quality parameters indicated that Ricks Pond is a moderately productive ecosystem, with the productivity limited by the nitrogen species. The fecal coliform bacterial counts were very low, indicating no direct input of excessive amounts of fecal matter into the system during the present study. However, a Hot Springs city sewer line runs through the pond, and two manholes emerge from the pond\u27s surface. The possibility exists that this sewer line could discharge raw sewage into Ricks Pond during periods of high water. A biological investigation was also conducted in the study area, and lists of the phytoplankton, periphyton, higher aquatic vegetation, zooplankton, benthic macroinvertebrates, and fishes are presented. Twenty-seven species of fishes were collected from the Gulpha Creek drainage, and no rare or endangered forms were found. Ricks Pond is best-suited for the establishment of a put- and-take fishery for channel catfish, Ictalurus punctatus. The following recommendations were made for the establishment of such a fishery: (1) Renovation of the pond by draining and deepening it; (2) Removal of the sewer line from the pond; (3) Stocking of catchable size channel catfish at the rate of approximately 300-400 pounds per acre; (4) Periodic monitoring of the water quality

Pool boiling of water from mechanically polished and chemically etched stainless steel surfaces

Nucleate boiling heat transfer from mechanically polished, chemically etched stainless steel boiling plat

A Mixed Methods Exploration of Postsecondary Education Students’ Environmental Awareness and Worldviews

Postsecondary education students are positioned to contribute to solving complex environmental problems present in the world today. This convergent mixed methods study aimed to explore environmental worldviews for undergraduate and graduate students at a public four-year university in the Southwest United States. The revised New Ecological Paradigm (NEP-R) Scale, demographic questions, and three open-ended questions were implemented in an online survey to explore participants’ environmental worldviews. Using descriptive and non-parametric statistical analyses, the results of an online survey revealed that overall participants (N = 513) reported pro-environmental worldviews, and factors such as age and gender influenced environmental worldview scores. Moreover, identifying major and minor themes after coding responses to open-ended questions broadened the understanding of students’ environmental worldviews in the context of experiencing higher education. Although the present study had limitations, the findings can assist postsecondary educational leaders, faculty, and practitioners in developing and implementing pro-environmental or sustainability-oriented policies, practices, and programs on higher education campuses