108 research outputs found
Grille de validation du devis des évaluations
Comprend des références bibliographiquesLors de la planification du processus d’évaluation en formation à distance, réaliser un devis des évaluations et procéder à sa validation représente une étape incontournable. Cette grille facilite la révision de chacune des parties d’un devis des évaluations
Outil de questionnement pour la planification et la conception des évaluations d’un cours en formation à distance
Comprend des références bibliographiquesCet outil regroupe des informations pour mieux planifier l’ensemble des évaluations d’un cours de formation à distance et pour concevoir les tâches et les outils d’évaluation
Analyse de la ou des compétences d’un cours
Comprend des références bibliographiquesCe document présente une démarche à suivre pour faire l’analyse de la ou les compétences visées par un cours afin de dégager un sens commun à cette ou ces compétences qui sera partagé par l’ensemble des personnes qui travailleront sur le cours, incluant les évaluations des apprentissages
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Bubble pulsation and translation near a soft tissue interface
textA Lagrangian formalism presented by Hay, Ilinskii, Zabolotskaya, and Hamilton [J. Acoust. Soc. Am. 132, 124--137 (2012)] to calculate the pulsation of a spherical bubble, immersed in liquid and near one or two viscoelastic layers, is extended here to include bubble translation. The method presented here is simplified from that given by Hay et al. in that only a single interface between a liquid and a viscoelastic half-space is considered. In the present approach the force on the bubble due to the presence of the liquid-solid interface is calculated using a Green's function that takes into account elastic waves and viscosity in the layer, and the viscous boundary layer within the liquid near the interface. Previous models and experiments have shown that the direction of bubble translation near a viscoelastic layer is correlated with the direction of a liquid jet often produced by the bubble during collapse. In this dissertation an attempt is made to model the pulsation and translation of a spherical bubble near a liquid-solid interface to infer the direction of bubble translation in reference to material parameters of the liquid and viscoelastic medium, and the standoff distance of the bubble from the interface. The analysis is simplified by demonstrating that the direction of bubble translation can be inferred from the phase of the component of the Green's function associated with the reverberant pressure gradient. For linear bubble pulsation it is shown that the domain of material properties of the viscoelastic medium which generally corresponds to bubble translation away from the interface occurs when the effective stiffness of the viscoelastic medium is greater than the effective damping for both itself and the liquid. The analysis is performed assuming the viscoelastic medium is similar to soft tissue, and its dynamics are described by a Voigt, Kelvin, or Maxwell model. The simulations are compared with existing experimental data. Effects of high-amplitude bubble pulsation are explored in terms of how the simulations differ as the pulsation amplitude increases. At higher pulsation amplitudes, it is shown that bubble translation is still described qualitatively by analyzing the phase of the reverberant pressure gradient.Mechanical Engineerin
An Examination of Nonresident Fathers\u27 Leisure Patterns, Leisure Constraints, Leisure Facilitators, and Satisfaction with Leisure Involvement during Parenting Time with their Children
The purpose of the study was to examine the leisure patterns of nonresident fathers while spending time with their child(ren), and to examine leisure constraints, leisure facilitators and nonresident fathers\u27 satisfaction with family leisure activities. Four instruments were used to collect the data. Family leisure involvement was measured using the Family Leisure Activity Profile (FLAP), leisure constraints were measured using the Nonresident Father Leisure Constraint Scale (NFLCS), leisure facilitators were measured using the Nonresident Fathers\u27 Leisure Facilitator Scale (NFLFS), and family leisure satisfaction was measured using the Family Leisure Satisfaction Scale (FLSS). The sample was nonresident fathers (n=129) from 36 states in the U.S. The data supported leisure constraints as a significant predictor of nonresident fathers\u27 satisfaction with family leisure involvement, and their family leisure patterns. The data did not support, however, leisure facilitators as contributing to fathers\u27 satisfaction with family leisure involvement or leisure patterns
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Characterization of interferon and retroposon-like repetitive elements in salmonid fish
Hatchery-reared salmonid fish routinely encounter stress due to
handling, barging, tagging, and overcrowding. It has been demonstrated that
there exists a direct correlation between stress and transient immune
suppression which can last for many days in fish. Epizootic viral infections
routinely appear in hatcheries and can have a devastating effect on the fish
population. The major viral pathogens in salmon and trout are the fish
rhabdovirus, infectious hematopoietic necrosis virus (IHNV), and the fish
birnavirus, infectious pancreatic necrosis virus (IPNV). Vaccines for these
viral pathogens are under investigation; however, the fish immune system
becomes virtually nonresponsive during episodes of immune suppression. It
was necessary to develop a nonantibody mediated, nonimmune method for
preventing viral infections.
An interferon-like substance has been described for fish which
possesses antiviral activity against both IHNV and IPNV. Since interferon
administered to cattle has been very effective against vesicular stomatitis
virus, a cattle rhabdovirus, an examination of interferon-like activity in fish was
initiated. We report here the establishment of in vitro interferon assays. In
addition, the salmonid genome contains a multigene family of p-interferon-like
genes, much like those in the bovine, equine and porcine genome. The
rainbow trout interferon-like genes were found to be inducible in a manner
which parallels those seen with bovine and human interferons.
In addition to the multigene interferon-like family, it was found that
rainbow trout also contain a retroposon multigene family. Retroposons are
repetitive elements which appear to have arisen by a reverse transcription
event. Two Ll like repetitive elements have been cloned, one of which
contains a Drosophila retroposon polymerase sequences never before
described for salmonid fish. A number of retroviruses have been described in
fish including the walleye dermal sarcoma virus and the Atlantic salmon
swimbladder sarcoma virus. Interferon shows prophylactic promise both in
vivo and in vitro, against the human retrovirus, HIV. Therefore, research into
fish interferon may be even more important if it demonstrates not only anti-
IHNV and anti-IPNV, but also anti-fish retrovirus properties
Effektivisering av vareflyt rundt prosessen fellemontering i produksjonen på Madshus
Denne bacheloroppgaven er gjort i samarbeid med oppdragsgiver Madshus AS, Bjørn Myrhe gav oss tillit til å arbeide med frie hender. Formålet i denne oppgaven var å finne ut hvordan lean kunne brukes som et alternativ til automatisering rundt felleskiproduksjonen.
Oppgaven er en casestudie hvor vi har benyttet oss av metodetriangulering for å besvare problemstillingen. Observasjoner, intervjuer og frekvensmålinger ble gjennomført i Madshus sine produksjonslokaler på Biri. Observasjonene ble gjort i form av en prosesskartlegging, etter det ble det gjennomført intervjuer med de ansatte som jobbet i de aktuelle prosessene. For å kvantifisere arbeidstiden ble det gjennomført frekvensmålinger på grunnlag av funnene fra prosesskartleggingen og intervjuene.
En gjennomgang av relevant teori sammen med oppgavens resultater viser at lean ikke trenger å være et alternativ til automatisering, men heller kan bli brukt for å komplementere hverandre.
Vi ser at Madshus kan gjøre store besparinger ved bruk av lean, men at man kan komme enda lenger med automatiseringer gjort på riktig måte – dog til en høyere investeringskostnad.This bachelor thesis is done in collaboration with Madshus AS and Bjørn Myhre who gave us his confidence to work with free hands. The purpose of this study was to find out how lean could be an alternative to automation of the intelligrip skiproduction.
This is a case study based on method triangulation to answer the problem statement. Observations, interviews and quantitative methods in the form of frequency measurements were made in the production facilities of Madshus at Biri. Observations were made in the form of a process mapping, after which interviews were made with the employees who works in the relevant processes. To quantify the working hours, there were made frequency measurements done on the basis of the findings in the observations and interviews.
A review of relevant theory, together with the results of the study, shows that lean does not have to be an alternative to automation, but can rather be used in combination with. We can see that Madshus can make big savings using lean, but they can go even further using automation in a correct way – though at a higher investment cost
Coordinated Response to Reports of Possible Anthrax Contamination, Idaho, 2001
In 2001, the intentional release of anthrax spores in the eastern United States increased concern about exposure to anthrax nationwide, and residents of Idaho sought assistance. Response from state and local agencies was required, increasing the strain on epidemiologists, laboratorians, and communications personnel. In late 2001, Idaho’s public health communications system handled 133 calls about suspicious powders. For each call, a multiagency bridge call was established, and participants (public health officials, epidemiologists, police, Federal Bureau of Investigation personnel, hazardous materials officials, and others) determined which samples would be tested by the state public health laboratory. A triage system for calls helped relieve the burden on public safety and health systems
The UL15 protein of herpes simplex virus type 1 is necessary for the localization of the UL28 and UL33 proteins to viral DNA replication centres
The UL15, UL28 and UL33 proteins of herpes simplex virus type 1 (HSV-1) are thought to comprise a terminase complex responsible for cleavage and packaging of the viral genome into pre-assembled capsids. Immunofluorescence studies confirmed that shortly after infection with wild-type HSV-1 these three proteins localize to viral DNA replication compartments within the nucleus, identified by the presence of the single-stranded DNA-binding protein, ICP8. In cells infected with either UL28- or UL33-null mutants, the other two terminase proteins also co-localized with ICP8. In contrast, neither UL28 nor UL33 was detectable in replication compartments following infection with a UL15-null mutant, although Western blot analysis showed they were present in normal amounts in the infected cells. Provision of UL15 in a complementing cell line restored the ability of all three proteins to localize to replication compartments. These data indicate that UL15 plays a key role in localizing the terminase complex to DNA replication compartments, and that it can interact independently with UL28 and UL33
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