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( Peters William ) 한국현대언어학회 2014 언어연구 Vol.30 No.1
The purpose of the study is to investigate feedback preference to student reflection incorporated in Korean university English foreign language (EFL) writing classes. It explored how they responded to self-reflection questions when integrated into their regular lessons. The goal of this research is to help Korean students become more dynamic reflective thinkers and to increase their learner autonomy. A student reflection questionnaire on self- reflection and autonomy was administered as well as a questionnaire on student perception of composition, unit tests and follow-up student interviews on the results of the questionnaire. Summarized are the impacts of student reflections on learning and autonomy, as well as the findings on the strengths and weakness of incorporating and using reflection in the Korean EFL university writing classroom. The findings from Spring 2013 indicate that students would benefit from participating in reflection to facilitate autonomous learning.
William Kelly,Guy Kamguia,Peter Mullen,Antonio Ubiera,Kent Göklen,Zuyi Huang,Gerard Jones 한국생물공학회 2013 Biotechnology and Bioprocess Engineering Vol.18 No.3
Expanded Bed experiments were conducted using a mixed mode (MM) resin to capture and purify a recombinant protein produced in yeast fermentation. Expanded bed breakthrough profiles show an overshoot in column effluent concentration of the target protein in the presence of cells and other broth proteins, similar to that seen by other researchers when loading two competing species onto packed beds. In this research, a numerical model assuming negligible axial dispersion is developed and first validated for columns loads that contain only the target protein. This model is solved by finite differences in a unique way that uses an embedded analytical-solution to increase solution speed and stability. To model expanded bed breakthrough of the target protein in the actual cell broth, it was assumed that the other non-product proteins in the broth compete for MM resin binding sites and might be represented as a second “average” species via a traditional two-component competitive Langmuir isotherm. Estimates of the Langmuir constant and broth concentration of this second species were then calculated from batch adsorption data. Using these parameters for the second species, and other batch-derived parameters for the target protein with this resin, this unique numerical modeling approach provided results that compare favorably to experimental breakthrough data at various flow rates. Finally, the model was employed for a parameter sensitivity analysis that shows which process variables are most important in determining breakthrough time and the shape and magnitude of the concentration overshoot.
Emergency department and hospital crowding: causes, consequences, and cures
Peter Mckenna,Samita M Heslin,Peter Viccellio,William K Mallon,Cristina Hernandez,Eric J Morley 대한응급의학회 2019 Clinical and Experimental Emergency Medicine Vol.6 No.3
Overcrowding with associated delays in patient care is a problem faced by emergency departments (EDs) worldwide. ED overcrowding can be the result of poor ED department design and prolonged throughput due to staffing, ancillary service performance, and flow processes. As such, the problem may be addressed by process improvements within the ED. A broad body of literature demonstrates that ED overcrowding can be a function of hospital capacity rather than an ED specific issue. Lack of institutional capacity leads to boarding in the ED with resultant ED crowding. This is a problem not solvable by the ED and must be addressed as an institution-wide problem. This paper discusses the causes of ED overcrowding, provides a brief overview of the drastic consequences, and discusses possible cures that have been successfully implemented.
Aquaculture of Polychaeta: a Solution to Meet Demand for Polychaeta as a World Resources
William Olive, Peter J.,Islam, Monirul,D Cowin, Peter B 영남대학교 해양과학연구소 2000 국제심포지움 일정 및 발표논문집 Vol.2000 No.1
Polychaeta are not directly consumed as food in most countries but nevertheless are an important world resource. Economic demand for Polychaeta arises from two principal uses:- 1) use as a live bait in sea angling and 2)use as a nutritional supplement in the brood stock maturation systems for fin fish and marine Crustacea. The tradition of using live Polychaeta as baits fur hook based methods of fishing has a long history but the development of mass markets for the leisure industry has meant that supplies of worms close to centres of urban population frequently are insufficient to meet demand. The consequences of this have been non-sustainable over collection and the collection and distribution of worms across geographical boundaries. Both are undesirable and culture of polychaete worms has developed in Western Europe as a niche industry capable of supplying demand for this industry. This has in turn created a technical capability to meet the more recent, and potentially much lager, demand for worms as a component of diets designed to improve hatchery performance in fin fish and marine crustacean culture. Marine worms are at the base of many food chains and provide a natural component in the diet of many organisms including those recently introduced to culture. The sustainable development of shrimp (Peneaus) culture is presently hindered by the failure to develop hatchery systems capable of meeting world demand for Penaeus larvae. The discovery that incorporation of fresh worm biomass into the diets of brood stocks results in improved hatchery performance has resulted in rapid rise in demand for suitable worms and aquaculture presents an ideal source for this material that can be integrated with world patterns of production r food organisms. We have carried out an analysis of the lipid make up of Nereis virens cultured in NE England. Our results show that the lipid content (c 17%) is significantly higher that that in wild stocks of similar species. We have characterised the lipid content by GC and GCMS and show that the PUFA profile is particularly diverse and contains all the known essential PUFA. The cultured worms have an added value because of their production away from known sources of viral agents such as white spot disease. Suitable development of aquaculture to meet the growing demand for polycbaetes as a "resource" is now considered possible.
Performance of Minimet Wind Drifters in Hurricane Fabian
Peter, Miiler,Scuba, William,Lee, Dong-Kyu The Korean Society of Oceanography 2004 바다 Vol.9 No.3
In September 2003 wind-measuring drifters were air-deployed in front of the projected path of Hurricane Fabian from an altitude between 300 m and 400 m. Eight drifters transmitted wind, air pressure and SST data through ARGOS and three drifters were within 35 km of the hurricane center. Measurements of the air pressure in the eye of the hurricane by dropsondes, suggested the air pressure at the eye was between 939 hPa and 944 hPa. The lowest pressure measured by a Minimet was 943 hPa at 33 km from the hurricane center. Fabian cooled the SST at its center from $28.9^{\circ}C$ to $26.8^{\circ}C$. After the passage of Fabian, SST warmed to between $27.5^{\circ}C$ and $28.5^{\circ}C$ in 7 days.
The Lick AGN Monitoring Project 2011: Dynamical Modeling of the Broad-line Region
Williams, Peter R.,Pancoast, Anna,Treu, Tommaso,Brewer, Brendon J.,Barth, Aaron J.,Bennert, Vardha N.,Buehler, Tabitha,Canalizo, Gabriela,Cenko, S. Bradley,Clubb, Kelsey I.,Cooper, Michael C.,Filippen American Astronomical Society 2018 The Astrophysical journal Vol.866 No.2
MODULATION OF TOXICITY AND CARCINOGENESIS BY CALORIC RESTRICTION
Allaben, William T.,Chou, Ming W.,Pegram, Rex A.,Leakey, Julian,Feuers, Ritchie J.,Duffy, Peter H.,Turturro, Angelo,Hart, Ronald W. The Korean Society of Toxicology Korea Environment 1990 Toxicological Research Vol.6 No.2
Dietary restriction (caloric restriction) is the only intervention which has been reliably shown to extend the maximum life span of warm-blooded animals and delay the many phenomena associated with aging. It is also one of the most effective modulators of toxicity, especially cancer endpoints. In spite of the known modulator effects of caloric restriction, the biological mechanisms responsible for these effects had not been in vestigated until recently. The National Center for Toxicological Research (NCTR), in a collaborative effort with the National Institute of Aging (NIA), initiated a project whereby nine (9) combinations of rodent species/strains and diets were fed both restricted and ad libitum. The NIA's initiative was to identify biomarkers of aging whereas NCTR's initiative was to identify the biological effects associated with the profound effects caloric restriction has in protecting against both spontaneous (age-related) and chemically-induced toxic endpoints. Independent of sex or species, caloric restriction has similar effects on body temperature, oxygen consumption and $CO_2$production. Caloric restriction also decreased lipid glycolysis and metabolism in rats and mice, which suggest decreased production of metabolites which could lead to fatty acid epoxide formation. The age-associated loss of ciradian regulation of intermediate enzymes is also significantly reduced. Moreover, caloric restriction reduced the age-associated feminization of sexually dimorphic liver isozymes, increased several glucocorticoid responsive isozymes, elevated glucagon/insulin ratios, produced less microsomal superoxide and enhanced the capacity for utilzing detoxicating metabolic pathways. Calorically restricted rats have less than half the number of aflatoxin ($AFB_1$)-DNA adducts than ad libitum animals and urinary excretion of $AFB_1$ was increased significantly. Finally, DNA repair mechanisms are enhanced and oncogene expression is decreased in calorically restricted animals.