qualitative studies of media trends
How Teens Use Media - A Nielsen report on the myths and realities of teen media trends pdf
... State researchers saw in older media consumers in the now famous Middletown Media Studies research, also a product of the Center for Media Design There, 31% of adult media time was concurrent exposure ... University’s Center for Media Design conducted an observational study of teen media use, “High School Media Too,” (2007) In the study, researchers found that 23% of the media time among observed ... have found, across a variety of studies, is that teens embrace new media not at the cost of traditional media, but in supplement to it Taken on whole, teens exhibit media habits that are more similar...
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Báo cáo khoa học: "Lack of evidence for qualitative treatment by disease severity interactions in clinical studies of severe sepsis" docx
... potential phase III studies of biologic response modifiers in severe sepsis (n = 43), non-phase III studies of biologic response modifiers in severe sepsis (n = 158), antibiotic studies in severe ... in the incidence of serious cardiac adverse events was noted in a study of a nitric oxide synthase inhibitor None of the studies listed detected an increase in the incidence of infectious complications ... equivalent studies were considered large enough to allow statistical interpretation of the overall population and, more importantly, of reported subgroups Severe sepsis was defined in all studies...
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Tribological studies of ultra thin films at head media interface for magnetic data storage systems
... spectra of the top surface of the Co-Si/C sample (take off angle of 5°) 159 Figure 10-4 XPS Co2p/3 spectrum of the Co/Si mixed layer (interface of Co film and Si/C layer) at take off ... profile of the ta-C coating of the Head-3 (with Al-Si-C interlayer) on (a) unworn area, and (b) AlTiC substrate after 340 km wear test 126 Figure 8-10 Depth profile of the ta-C coating of ... ions of 350 eV prior to deposition of a 10 nm ta-C overcoat The effect of this surface treatment on the structure of the ta-C/AlTiC interface, chemical state of the overcoat and wear resistance of...
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Prevalence and trends in overweight and obesity in threecross sectional studies of British children, 1974-94
... other studies in the United Kingdom and elsewhere can be compared with the same methodology Because of the reduced power of an analysis of a dichotomous variable compared with an analysis of the ... debate over the cut-off points will continue, this should not detract from the urgency of tackling the problem of obesity Our data indicate that overweight and obesity on the basis of body mass index ... areas, and Professor Tim Cole for supplying the international cut-off points in advance of their publication Contributors: SC carried out all the analyses, wrote the first draft of the paper,...
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Báo cáo y học: "Medical resource utilization among patients with ventilator-associated pneumonia: pooled analysis of randomized studies of doripenem versus comparators"
... other studies [4-6] because of activity against key pathogens Consideration of the influence of appropriateness of empiric therapy against subsequently identified pathogens was beyond the scope of ... Discussion The results of this pooled analysis of two phase III studies indicated that initial use of doripenem in patients with VAP was associated with shorter durations of mechanical ventilation ... cost of hospitalization as demonstrated in a recent economic analysis of studies and [29] Using discrete event simulation, Kongnakorn and colleagues [29] estimated that use of doripenem instead of...
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Báo cáo y học: "Electronic patient record use during ward rounds: a qualitative study of interaction between medical staff"
... EPR is used in place of a paper record? Given the complex nature of interaction of multidisciplinary communication in an ICU, we have chosen to triangulate three types of qualitative data: video-based ... doctors), one sister in charge of the nurses in the unit (head nurse), one senior nurse in charge of each of three clusters of patient beds, one nurse looking after each of the 25 patients, the intensive ... were shared with members of the implementation steering group – including the consultant videoed – months after deployment of the system, and the effects of the introduction of the EPR on group interaction...
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Báo cáo y học: "Characterization of N200 and P300: Selected Studies of the Event-Related Potential Salil H. Patel 1 and Pierre N. Azzam 2"
... underlying state of CNS dis-inhibition involved in the pathophysiology of the condition [93] Genetic linkage studies involving families with a history of alcoholism show involvement of chromosomes ... stimulus variation types Despite a relatively recent growth of interest in N2b characterization, a number of studies have probed the effect of stimulus and experimental condition variations on this ... notable that the detection of a frontal N2 is associated only with instances of a NOGO response Thus, the P300 appears to be inhibited by the appearance of the N2b in tasks of motor activity suppression...
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Tài liệu Explaining Ethnic Minority Poverty in Vietnam: a summary of recent trends and current challenges ppt
... minorities are 39 percent of all poor people, despite representing only 14 percent of the total population of Vietnam This represents a near-doubling of the proportion of ethnic minorities in the ... At the same time, there is evidence of unhelpful stereotypes and misconceived attitudes on the part of district officials that may restrict the participation of ethnic minorities in local development ... presenting some data relating to activities of two of the National Target Programs (NTPs) that are oriented specifically to poverty reduction Here we find trends of improving outreach in credit provision...
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Tài liệu SURVEY OF CASE STUDIES OF THE USE OF KNOWLEDGE MANAGEMENT IN SOFTWARE ENGINEERING docx
... productivity and quality of the developed software The outcome of several of these improvement initiatives was summed up in an article in Communications of the ACM [10] Claims of order of magnitude improvements ... Problems with software development Software development can often be challenging There are many examples of software projects that have failed The much-cited Standish report on software projects ... we ask: Does the introduction of a knowledge management system: Improve the quality of software? Lower the cost of developing software? Improve the work situation of employees in an organisation?...
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Tài liệu STUDIES OF AMERICAN FUNGI, MUSHROOMS, EDIBLE, POISONOUS, ETC ppt
... rupture of veil, showing tendency to double annulus on the stem Portions of the veil also dripping from margin of pileus (Natural size.)] =The Color of the Gills.= The color of the gills of the ... Toxicology of Mushrooms, and Characters of Mushrooms, to which their names are appended, and also to Dr Chas Peck, of Albany, N Y., and Dr G Bresadola, of Austria-Hungary, to whom some of the specimens ... propagation of mushrooms The spawn is nothing more than the vegetative portion of the plant It is made up of countless numbers of delicate, tiny, white, jointed threads, the _mycelium_ =Mycelium of a...
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Tài liệu Báo cáo khoa học: Structural and functional studies of the human phosphoribosyltransferase domain containing protein 1 docx
... metabolic consequences of having HPRT deficiency are an overproduction of uric acid and elevated levels of PRPP [3] Patients having mutations resulting in partial HPRT deficiency often suffer from gouty ... analysis of a wide range of species indicates that HPRT have eleven completely conserved amino acids, whereas PRTFDC1 genes not show full conservation of these eleven residues [10,11] Because one of ... distances of approximately 2.4 A The phosphate of the GMP is hydrogen bonded to main chain and side chain atoms of amino acids 145–149 (Fig 1C) A second Ca2+ ion is coordinated by the side chain of...
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Tài liệu Báo cáo khoa học: Enzymatic and electron paramagnetic resonance studies of anabolic pyruvate synthesis by pyruvate: ferredoxin oxidoreductase from Hydrogenobacter thermophilus doc
... result of NADH oxidation was measured One unit of enzyme activity was defined as the reduction of lmolÆmin)1 of NADH (corresponding to the carboxylation of lmolÆmin)1 of acetyl-CoA) Quantification of ... extinction coefficient of 6200 m)1Æcm)1 One unit of enzyme activity was defined as the oxidation of lmolÆmin)1 of NADH POR enzyme assays The oxidative decarboxylation activity of POR was assayed at ... atmosphere The reduction of metronidazole was calculated using an extinction coefficient of 9300 m)1Æcm)1 One unit of enzyme activity was defined as the reduction of lmolÆmin)1 of metronidazole (corresponding...
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Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx
... effects of one of the substrates, i.e pantoate [8,9] One of the interesting features of the plant PSs is the presence of a conserved 24 residue insertion in the sequence [9] This sequence of amino ... we report the results of the structural studies of the pantoate-bound form of the N-terminal domain of E coli PS (nPS) The structure and substrate-binding interactions of E coli nPS have been ... The overlay of selected regions of H–15N correlation spectra, highlighting cumulative changes in chemical shifts of specific residues of nPS as a function of substrate(s) The resonances of free nPS...
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Tài liệu A REVIEW OF INDOOR AIR POLLUTION AND HEALTH PROBLEMS FROM THE VIEWPOINT OF ENVIRONMENTAL HYGIENE: FOCUSING ON THE STUDIES OF INDOOR AIR ENVIRONMENT IN JAPAN COMPARED TO THOSE OF FOREIGN COUNTRIES pptx
... H and Mizumoto, Y (2006) Estimation of Intake Level of Di (2-ethylhecyl) phthalate (DEHP) of Japanese pregnant woman based on measurement of concentrations of three urinary metabolites Jpn J Hyg., ... concentration of some organic compounds is regulated The WHO has proposed guideline value of organic compounds,67) as has The Ministry of Health, Labor and Welfare in Japan.68) The effect of volatile ... systematic review of provocation studies, J Allergy Clin Immunol., 118, 1257–1264 Hojo, S., Sakabe, K., Ishikawa, S., Miyata, M and Kumano, H (2009) Evaluation of subjective symptoms of Japanese patients...
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Tài liệu Why Has The Cost of Navy Ships Risen - A Macroscopic Examination of the Trends in U.S. Naval Ship Costs Over the Past Several Decades doc
... this class of ships between 1973 and 1984, the years in which construction of the FFG-7 was authorized Each of these costs is presented as a proportion of costs in 1973 (e.g., a value of 150 percent ... Contract DASW01-01-C-0004 Library of Congress Cataloging-in-Publication Data Arena, Mark V Why has the cost of Navy ships risen? : a macroscopic examination of the trends in U.S Naval ship costs ... and the Office of the Secretary of Defense, as well as congressional planners involved in ship acquisition This research was sponsored by the Assessment Division, Office of the Chief of Naval Operations...
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Tài liệu Why Has the Cost of Fixed-Wing Aircraft Risen - A Macroscopic Examination of the Trends in U.S. Military Aircraft Costs over the Past Several Decades pptx
... of more widespread use of evolutionary acquisition strategies relying on a spiral development process, as recently mandated by the Office of the Secretary of Defense In Historical Cost Growth of ... inflation Even the rate of increase for electronic warfare aircraft, with the lowest rate of increase of the types listed above, was above that of other inflation indices The ordering of aircraft from ... sponsored by the Assessment Division, Office of the Chief of Naval Operations (OPNAV N81) and by the Principal Deputy, Office of the Assistant Secretary of the Air Force (Acquisition), Lt Gen Donald...
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Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx
... deuteration of C2¢ of the epimerase product The lack of deuteration of the C2¢ of DHMP is not due to the lack of deuterons, because it has been shown previously that the 6-hydroxymethyl group of the ... signals of all 2¢ and 3¢ protons of DHNP and DHMP are well separated, except those of the 3¢Hb protons of the two compounds, which are overlapping The proton occupancy at the 2¢ position of the ... is presumably related to the sizes of the Fig Stopped-flow analysis of the binding of HPO to SaDHNA The concentration of SaDHNA was lM, and the concentrations of HPO were 10, 20, 30, and 40 lM...
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Tài liệu Báo cáo khoa học: Functional studies of active-site mutants from Drosophila melanogaster deoxyribonucleoside kinase Investigations of the putative catalytic glutamate–arginine pair and of residues responsible for substrate specificity docx
... levels of phosphorylation expressed in relation to percentage dThd phosphorylation of the wild-type Relative phosphorylation expressed as a relation of the percentage of dThd phosphorylation of the ... phosphorylation of dGuo was reduced markedly Structure of Dm-dNK-E52D in complex with dTTP The structure of one of the mutants, E52D, was solved ˚ using X-ray crystallography at a resolution of 2.5 A ... illustrating the binding of the feedback inhibitor dTTP and the position of Mg2+ in the active site Mg ion that coordinates the phosphates of dTTP (Fig 3) Discussion Mutation of residues in the active...
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Tài liệu Báo cáo khoa học: Comparative studies of endonuclease I from cold-adapted Vibrio salmonicida and mesophilic Vibrio cholerae docx
... enzyme must sacrifice some of its stability It has previously been suggested that the lower thermal stability of cold-adapted enzymes is simply a consequence of the lack of selective pressure for ... function of the nuclease NucM of Erwinia chrysanthemi FEMS Microbiol Lett 112, 99–103 18 Moulard M, Condemine G & Robert-Baudouy J (1993) Characterization of the nucM gene coding for a nuclease of ... shows that the rate of irreversible unfolding for VsEndA is higher than for VcEndA, with a half-life of % 13 and 33 min, respectively Substrate specificity analysis An analysis of the substrate specificity...
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Tài liệu Báo cáo khoa học: "Methods for the Qualitative Evaluation of Lexical Association Measures" doc
... precision values of the highest ranked word combinations with ): As expected from the results of other studies (e.g Lezius (1999)), the precision of is signicantly lower than that of log-likelihood, ... the syntactic homogeneity of the base data, i.e., whether the set of candidate data consists only of adjective-noun, noun-verb, etc pairs or whether different types of word combinations are mixed; ... applied: Instead of examining only a small sample of -best candidates for each measure as it is common practice, we make use of recall and precision values for best samples of arbitrary size,...
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