468 research outputs found
Developing a Water Management Plan: Exploring Water Conservation Strategies on the Illinois Wesleyan Campus
The primary purpose of this research was to collect the information necessary to one day develop an environmentally sound and economically feasible water conservation management plan for the Illinois Wesleyan University campus. Freshwater resources are steadily being depleted due to pollution and climate change, while demand for potable water continues to rise alongside an exponentially growing global population. Due to this reason, water conservation is becoming an ever-important practice for municipalities, institutions, and even individuals in pursuit of maintaining a sustainable freshwater supply. Reducing demand upon the water supply of a community remains the best practice for maintaining sustainable freshwater resources. For this reason, Illinois Wesleyan University is looking for ways to reduce its overall water demand. Through extensive archival research into water conservation strategies and the City of Bloomington water supply, in-depth interviews with key informants on Illinois Wesleyan’s campus, and identification of ‘model university water management plans’, this project aims to create a comprehensive report that lays the foundation for the development of Illinois Wesleyan University’s first water management plan
Demonstration Of The Rotordynamic Effects Of Centrifugal Liquid Separation And Gas Compression In An Oil-Free Integrated Motor-Compressor
Lecturepg. 72-78The application of oil-free-integrated motor-compressors has become increasingly popular in recent years. One of the significant features of this class of machinery is compactness, providing space-savings compared to traditional-oil-lubricated compressors with associated gearboxes and lubrication systems. The integration of a turbo separator with such a compressor has resulted in the creation of a new class of turbomachinery promising even greater system compactness. This new machine type provides further size reduction benefits through the elimination of large static separation vessels often required on traditional compressor trains. A compressor manufacturer has successfully developed a centrifugal compressor with integrated turbo separator from design, development, and prototype testing on a demonstration rig through to manufacture, testing, and shipment of a production unit. This paper focuses on the details and results of the testing performed at the manufacturer’s factory that confirmed the soundness and acceptability of the design. Rigorous testing of the demonstration rig has confirmed acceptable rotordynamic performance including stable operation over a wide range of operating pressures and liquid injection rates. The rotordynamic performance of this machinery type has been demonstrated to be virtually insensitive to liquid injection
Flaunting it on Facebook: Young adults, drinking cultures and the cult of celebrity
Copyright © Antonia Lyons; Tim McCreanor; Fiona Hutton; Ian
Goodwin; Helen Moewaka Barnes; Christine Griffin; Kerryellen
Vroman; Acushla Dee O’Carroll; Patricia Niland; Lina Samu
Print publication available from: http://www.drinkingcultures.info/Young adults in Aotearoa/New Zealand (NZ) regularly engage
in heavy drinking episodes with groups of friends within
a collective culture of intoxication to ‘have fun’ and ‘be
sociable’. This population has also rapidly increased their use
of new social networking technologies (e.g. mobile camera/
video phones; Facebook and YouTube) and are said to be
obsessed with identity, image and celebrity. This research
project explored the ways in which new technologies are
being used by a range of young people (and others, including
marketers) in drinking practices and drinking cultures in
Aotearoa/NZ. It also explored how these technologies
impact on young adults’ behaviours and identities, and how
this varies across young adults of diverse ethnicities (Maori
[indigenous people of NZ], Pasifika [people descended
from the Pacific Islands] and Pakeha [people of European
descent]), social classes and genders.
We collected data from a large and diverse sample of young
adults aged 18-25 years employing novel and innovative
methodologies across three data collection stages. In total
141 participants took part in 34 friendship focus group
discussions (12 Pakeha, 12 Maori and 10 Pasifika groups)
while 23 young adults showed and discussed their Facebook
pages during an individual interview that involved screencapture
software and video recordings. Popular online
material regarding drinking alcohol was also collected (via
groups, interviews, and web searches), providing a database
of 487 links to relevant material (including websites, apps,
and games). Critical and in-depth qualitative analyses across
these multimodal datasets were undertaken.
Key findings demonstrated that social technologies play a
crucial role in young adults’ drinking cultures and processes
of identity construction. Consuming alcohol to a point of
intoxication was a commonplace leisure-time activity for
most of the young adult participants, and social network
technologies were fully integrated into their drinking cultures.
Facebook was employed by all participants and was used
before, during and following drinking episodes. Uploading
and sharing photos on Facebook was particularly central to
young people’s drinking cultures and the ongoing creation of
their identities. This involved a great deal of Facebook ‘work’
to ensure appropriate identity displays such as tagging (the
addition of explanatory or identifying labels) and untagging
photos.
Being visible online was crucial for many young adults,
and they put significant amounts of time and energy into
updating and maintaining Facebook pages, particularly with
material regarding drinking practices and events. However
this was not consistent across the sample, and our findings
revealed nuanced and complex ways in which people from
different ethnicities, genders and social classes engaged
with drinking cultures and new technologies in different
ways, reflecting their positioning within the social structure.
Pakeha shared their drinking practices online with relatively
little reflection, while Pasifika and Maori participants were
more likely to discuss avoiding online displays of drinking
and demonstrated greater reflexive self-surveillance. Females
spoke of being more aware of normative expectations around
gender than males, and described particular forms of online
identity displays (e.g. moderated intake, controlled selfdetermination).
Participants from upper socio-economic
groups expressed less concern than others about both
drinking and posting material online. Celebrity culture
was actively engaged with, in part at least, as a means of
expressing what it is to be a young adult in contemporary
society, and reinforcing the need for young people to engage
in their own everyday practices of ‘celebritising’ themselves
through drinking cultures online.
Alcohol companies employed social media to market
their products to young people in sophisticated ways that
meant the campaigns and actions were rarely perceived as
marketing. Online alcohol marketing initiatives were actively
appropriated by young people and reproduced within their
Facebook pages to present tastes and preferences, facilitate
social interaction, construct identities, and more generally
develop cultural capital. These commercial activities
within the commercial platforms that constitute social
networking systems contribute heavily to a general ‘culture
of intoxication’ while simultaneously allowing young people
to ‘create’ and ‘produce’ themselves online via the sharing of
consumption ‘choices’, online interactions and activities
Determination of new phosphorylation sites within natriuretic peptide receptors using mass spectrometric methods
A Portable Electronic Nose For Hydrazine and Monomethyl Hydrazine Detection
The Space Program and military use large quantities Hydrazine (Hz) and monomethyl hydrazine (MMI-I) as rocket propellant. These substances are very toxic and are suspected human carcinogens. The American Conference of Governmental Industrial Hygienist set the threshold limit value to be 10 parts per billion (ppb). Current off-the-shelf portable instruments require 10 to 20 minutes of exposure to detect 10 ppb concentration. This shortcofriing is not acceptable for many operations. A new prototype instrument using a gas sensor array and pattern recognition software technology (i.e., an electronic nose) has demonstrated the ability to identify either Hz or MM}{ and quantify their concentrations at 10 parts per billion in 90 seconds. This paper describes the design of the portable electronic nose (e-nose) instrument, test equipment setup, test protocol, pattern recognition algorithm, concentration estimation method, and laboratory test results
Evidence of a large seasonal coastal upwelling system along the southern shelf of Australia
2000 FLORIDA AVE NW, WASHINGTON, USA, DC,
2000
The AC-120: The advanced commercial transport
The main objective of this design was to fulfill a need for a new airplane to replace the aging 100 to 150 passenger, 1500 nautical mile range aircraft such as the Douglas DC9 and Boeing 737-100 airplanes. After researching the future aircraft market, conducting extensive trade studies, and analysis on different configurations, the AC-120 Advanced Commercial Transport final design was achieved. The AC-120's main design features include the incorporation of a three lifting surface configuration which is powered by two turboprop engines. The AC-120 is an economically sensitive aircraft which meets the new FM Stage Three noise requirements, and has lower NO(x) emissions than current turbofan powered airplanes. The AC-120 also improves on its contemporaries in passenger comfort, manufacturing, and operating cost
Beyond ‘the profile’:Multiple qualitative methods for researching facebook drinking cultures
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