Academic literature on the topic 'Too many mouths'
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Journal articles on the topic "Too many mouths"
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de Marcos, Alberto, Magdalena Triviño, Carmen Fenoll, and Montaña Mena. "Too many faces forTOO MANY MOUTHS?" New Phytologist 210, no. 3 (2016): 779–85. http://dx.doi.org/10.1111/nph.13827.
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Yang, Ming, and Fred D. Sack. "The Too Many Mouths and Four Lips Mutations Affect Stomatal Production in Arabidopsis." Plant Cell 7, no. 12 (1995): 2227. http://dx.doi.org/10.2307/3870164.
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Yang, M., and F. D. Sack. "The too many mouths and four lips mutations affect stomatal production in Arabidopsis." Plant Cell 7, no. 12 (1995): 2227–39. http://dx.doi.org/10.1105/tpc.7.12.2227.
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Bhave, Neela S., Kira M. Veley, Jeanette A. Nadeau, Jessica R. Lucas, Sanjay L. Bhave, and Fred D. Sack. "TOO MANY MOUTHS promotes cell fate progression in stomatal development of Arabidopsis stems." Planta 229, no. 2 (2008): 357–67. http://dx.doi.org/10.1007/s00425-008-0835-9.
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Bolam, J. Paul, and Eleftheria K. Pissadaki. "Living on the edge with too many mouths to feed: Why dopamine neurons die." Movement Disorders 27, no. 12 (2012): 1478–83. http://dx.doi.org/10.1002/mds.25135.
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Wang, Ming, Kezhen Yang, and Jie Le. "Organ-specific effects of brassinosteroids on stomatal production coordinate with the action of TOO MANY MOUTHS." Journal of Integrative Plant Biology 57, no. 3 (2014): 247–55. http://dx.doi.org/10.1111/jipb.12285.
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Geisler, Matt, Jeanette Nadeau, and Fred D. Sack. "Oriented Asymmetric Divisions That Generate the Stomatal Spacing Pattern in Arabidopsis Are Disrupted by the too many mouths Mutation." Plant Cell 12, no. 11 (2000): 2075. http://dx.doi.org/10.2307/3871106.
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Geisler, Matt, Jeanette Nadeau, and Fred D. Sack. "Oriented Asymmetric Divisions That Generate the Stomatal Spacing Pattern in Arabidopsis Are Disrupted by the too many mouths Mutation." Plant Cell 12, no. 11 (2000): 2075–86. http://dx.doi.org/10.1105/tpc.12.11.2075.
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Geisler, M., M. Yang, and F. D. Sack. "Divergent regulation of stomatal initiation and patterning in organ and suborgan regions of the Arabidopsis mutants too many mouths and four lips." Planta 205, no. 4 (1998): 522–30. http://dx.doi.org/10.1007/s004250050351.
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Cohen, LeoNora M. "Understanding the Interests and Themes of the Very Young Gifted Child." Gifted Child Today Magazine 12, no. 4 (1989): 6–9. http://dx.doi.org/10.1177/107621758901200402.
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There are lots of dangers lurking when you're not quite two, The hard and sharp and point of things attack and jump at you. Lions open up their mouths and let out toothy roars, While little fingers seem to seek the hinges on the doors. Electric outlets, matches, stoves are no-nos and so hot. Table corners are head high, watch out! The coffee pot! If you eat too many raisins, you'll get a tummy ache, While Dad or Mommy's shouting can really make you shake. Don't run out into the street! You'll get hit by a car! The lightening and the thunder — it isn't very far. There's bathtub drains and toilet bowls with noisy, gurgling flushes, Awaiting there to swallow you, to get you in their clutches. There's vacuum cleaner monsters, electric plugs and such, And if you can't equilibrate, it really is too much.
Dissertations / Theses on the topic "Too many mouths"
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Heppert, Jennifer K. "Evolution of TOO MANY MOUTHS and stomatal patterning mechanisms in the monocot Dioscorea bulbifera." Honors in the Major Thesis, University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1273.
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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.<br>Bachelors<br>Sciences<br>Biology
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Bhave, Neela S. "Functions and relationships of the TMM and SDD1 genes in arabidopsis stomatal development." The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1195229702.
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Lucas, Jessica Regan. "Microtubule arrays and cell divisions of stomatal development in Arabidopsis." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1181759887.
Full textBooks on the topic "Too many mouths"
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Johnson, Elizabeth M. Hyaline moulds. Edited by Christopher C. Kibbler, Richard Barton, Neil A. R. Gow, Susan Howell, Donna M. MacCallum, and Rohini J. Manuel. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198755388.003.0017.
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Hyaline moulds are fungi that grow predominantly in a filamentous form with colourless hyphae. This is not a taxonomic grouping and encompasses many thousands of different fungal genera. However, there is a small subset of environmental saprobes or plant pathogenic moulds, currently comprising at least 75 species from 30 different genera, that are opportunistic human pathogens and have been implicated in invasive infections referred to as hyalohyphomycosis. In addition they may cause less invasive cutaneous, subcutaneous, mucous membrane, and corneal infections. This group of organisms includes Fusarium, Sarocladium, Paecilomyces, Purpureocillium, Scedosporium, Rasamsonia, and Scopulariopsis spp., and it is these that form the focus of this chapter. Aspects of taxonomy, cell biology, pathogenesis, epidemiology, incidence, risk factors, presentation, diagnosis, and treatment are discussed with particular reference to those features that are specific to hyaline moulds.
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Stephenson, Steven. Secretive Slime Moulds. CSIRO Publishing, 2021. http://dx.doi.org/10.1071/9781486314140.
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Neither plants, nor animals, nor fungi, the myxomycetes are a surprisingly diverse and fascinating group of organisms. They spend the majority of their life out of sight as single-celled amoeboid individuals in leaf litter, soil or decaying wood, foraging for bacteria and other simple life forms. However, when conditions are right, two individual cells come together to give rise to a much larger, creeping structure called a plasmodium, which produces the even more complex and often beautiful fruiting bodies. Indeed, the fruiting bodies of myxomycetes are often miniature works of art!
 Their small size (usually only a few millimetres tall) and fleeting fruiting phase mean that these organisms, although ubiquitous and sometimes abundant, are overlooked by most people. However, recent research by a few dedicated individuals has shown that Australia has a very diverse myxomycete biota with more than 330 species, the largest number known for any region of the Southern Hemisphere.
 This comprehensive monograph provides keys, descriptions and information on the known distribution for all of these species in addition to containing introductory material relating to their biology and ecology. Many species are illustrated, showing the diversity of their fruiting bodies, and greatly facilitating their identification.
 This book will give naturalists a new insight into an often overlooked group of organisms in addition to providing an incentive to search for the many species which have undoubtedly thus far escaped notice.
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Rogers, Thomas R., and Elizabeth M. Johnson. Mucoraceous moulds. Edited by Christopher C. Kibbler, Richard Barton, Neil A. R. Gow, Susan Howell, Donna M. MacCallum, and Rohini J. Manuel. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198755388.003.0018.
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The mucoraceous moulds are members of the order Mucorales and comprise a number of genera within which are species that typically cause life-threatening infections in immunocompromised hosts, but are also pathogens of patients with diabetes mellitus or burns, or following traumatic injuries or near-drowning incidents, and in iron overload. Clinical presentations may be of rhinocerebral, pulmonary, cutaneous, or disseminated disease. Once established at its initial focus, the infection can progress rapidly. Diagnosis is challenging because this is a relatively rare disease, cultures from sites of infection may be negative, and few biomarkers exist to aid laboratory diagnosis. Histopathological examination of infected tissue is useful in diagnosis. Clinicians should have a high level of suspicion when immunocompromised patients present with sinus infection, facial swelling, orbital bone erosion, nodular lung infiltration, or necrotic skin eschars. The only currently available antifungal agents with evidence of clinical utility in mucormycosis are amphotericin B, posaconazole, and isavuconazole.
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Blyth, Michael. In the Mouth of Madness. Liverpool University Press, 2018. http://dx.doi.org/10.3828/liverpool/9781911325406.001.0001.
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Somewhat overlooked upon its initial release in 1995, John Carpenter's In the Mouth of Madness has since developed a healthy cult reputation. But far more than simply a fan favourite, this closing instalment of the acclaimed director's self-described “apocalypse trilogy” (following The Thing and Prince Of Darkness) stands today as one of his most thematically complex and stylistically audacious pieces of work. The story of an insurance investigator drawn into the supposedly fictional universe of a best-selling horror novelist, the film is an extension of many recurring themes found in Carpenter's filmography (the end of the world, the loss of free will, a distrust of mass industry and global corporations, the cataclysmic resurgence of ancient evil), as well as an affectionate homage to the works of H. P. Lovecraft (and horror literature more broadly) and a self-reflexive celebration of the horror genre that predates the Scream-inspired postmodernist boom of late-nineties genre cinema. While numerous books and countless academic essays have been written about Carpenter's work, surprisingly little has focused exclusively on In the Mouth of Madness, a film which feels more prescient, more essential, and more daringly complex than ever. This book seeks to redress this imbalance, at last positioning this overlooked masterpiece as essential Carpenter.
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Burton, Derek, and Margaret Burton. Food procurement and processing. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198785552.003.0004.
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Fish display a wide range of adaptations of the mouth and pharynx for specific feeding patterns including planktivory, fin-biting, picking and scraping. Appetite control is complex, involving stimulatory and inhibitory hormones. The gut has a linear plan similar to other vertebrates but with considerable variation between taxa, and a stomach may be absent. Many bony fish possess pyloric caeca, containing digestive enzymes, and may increase surface area for digestion. In chondrichthyes (sharks, etc.), a ‘spiral valve’ increases surface area of the intestine. Smooth muscle contractions in the gut wall pass food along the tract under control of food pressure, the autonomic nervous system and specific peptides. Digestion by hydrolytic enzymes, and absorption occur in the intestine, monomers produced being absorbed mainly through transcellular routes, involving enterocytes, into the blood of the hepatic portal vein to the liver. Dietary requirements and nutrition are discussed.
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Wilson, John W., and Lynn L. Estes. Gastrointestinal Infections. Oxford University Press, 2012. http://dx.doi.org/10.1093/med/9780199797783.003.0113.
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•Ludwig angina: Acute soft tissue infection usually of dental origin; spreads rapidly and is bilateral; involves submandibular and sublingual spaces and can spread to the neck; may include respiratory obstruction from edema•Acute necrotizing ulcerative gingivitis (eg, Vincent angina, trench mouth): Mixed bacterial infection with gingival ulcerations and gingival breakdown, usually due to poor dental hygiene...
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Gloff, Marjorie, Melissa Kreso, and Richard Wissler. Neurologic Complications in Obstetric Anesthesia. Edited by Emma Ciafaloni, Cheryl Bushnell, and Loralei L. Thornburg. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190667351.003.0033.
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Neuraxial analgesia and anesthesia is routinely requested for women in the peripartum and postpartum period. Given that there is widespread knowledge of the benefits of obstetricians, mainstream media, and word-of-mouth communication, many patients expect to receive some form of neuaxial anesthesia during their peripartum experience. Neuraxial anesthesia can provide both pain relief during induction and labor and can provide surgical anesthesia for a variety of surgical procedures in the peripartum and postpartum period. While generally considered safe, neuraxial anesthesia is not without risk. This chapter discusses the most common neurologic complications associated with neuraxial anesthesia in the obstetric population.
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Hopkins, Paul, and Laura Ryan. Difficult Airway. Edited by Erin S. Williams, Olutoyin A. Olutoye, Catherine P. Seipel, and Titilopemi A. O. Aina. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780190678333.003.0015.
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The management of the difficult airway is one of the most challenging situations an anesthesiologist may encounter. The pediatric patient provides unique challenges such as lack of cooperation, rapid desaturation while apneic, and the presence of syndromes with craniofacial manifestations not frequently encountered in adults. These craniofacial manifestations may include mandibular hypoplasia, facial asymmetry, and limited mouth opening, to name a few. This chapter presents a case of a 5-year-old boy with Klippel-Feil syndrome and discusses the different aspects involved when dealing with a difficult airway in a pediatric patient, including the use of fiberoptic devices, neuromuscular blockade, and sedative premedication.
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Andersen, AN, and P. Jacklyn. Termites of the Top End. CSIRO Publishing, 1993. http://dx.doi.org/10.1071/9780643101418.
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Termite mounds are a distinctive feature of Australia's Top End, and the role of termites is crucial to ecosystems in this part of the world. It is estimated that more than 100 species of termites inhabit the Top End, but little is known about many of these.
 Termites of the Top End is an attractively illustrated, popular guide for anyone interested in these fascinating insects, and will be useful to students, amateur naturalists and researchers alike. Detail is provided on the six species most likely to be encountered and recognised.
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Bradley, Richard. The Idea of Order. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199608096.001.0001.
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Richard Bradley investigates the idea of circular buildings - whether houses or public architecture - which, though unfamiliar in the modern West, were a feature of many parts of prehistoric Europe. Why did so many people build circular monuments? Why did they choose to live in circular houses, when other communities rejected them? Why was it that those who preferred to inhabit a world of rectangular dwellings often buried their dead in round mounds and worshipped their gods in circular temples? Why did people who lived in roundhouses decorate their pottery and metalwork with rectilinear motifs, and why was it that the inhabitants of longhouses placed so much emphasis on curvilinear designs? Although their distinctive character has engaged the interest of alternative archaeologists, the significance of circular structures has rarely been discussed in a rigorous manner. The Idea of Order uses archaeological evidence, combined with insights from anthropology, to investigate the creation, use, and ultimate demise of circular architecture in prehistoric Europe. Concerned mainly with the prehistoric period from the origins of farming to the early first millennium AD, but extending to the medieval period, the volume considers the role of circular features from Turkey to the Iberian Peninsula and from Sardinia through Central Europe to Sweden. It places emphasis on the Western Mediterranean and the Atlantic coastline, where circular dwellings were particularly important, and discusses the significance of prehistoric enclosures, fortifications, and burial mounds in regions where longhouse structures were dominant.
Book chapters on the topic "Too many mouths"
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"TOO MANY MOUTHS IN THE GROCERY AISLE." In Deer Wars. Penn State University Press, 2006. http://dx.doi.org/10.5325/j.ctt7v11p.8.
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"4 Too Many Mouths in the Grocery Aisle." In Deer Wars. Penn State University Press, 2006. http://dx.doi.org/10.1515/9780271030401-006.
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Blyth, Michael. "‘The New Bible’." In In the Mouth of Madness. Liverpool University Press, 2018. http://dx.doi.org/10.3828/liverpool/9781911325406.003.0006.
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This chapter focuses on religion as a common motif employed throughout John Carpenter's In the Mouth of Madness (1995). As with many Western horror films, Christianity serves as a theological foundation, but Carpenter's film also draws interesting parallels with the Church of Scientology. In its depiction of the all-knowing, omnipotent author, able to alter reality with the mere power of their words, In the Mouth of Madness elevates the figure of the writer to near-religious status. As Sutter Cane types away on his very own ‘word processor of the Gods’, he too becomes one of those Gods, with divine control over those in his literary kingdom. With this notion in mind, the chapter explores the ways in which Carpenter's film repositions the writer from mere cultural commentator to modern-day prophet, or untouchable celestial being. It also considers how the film utilises theological concepts to form the basis of its philosophical framework, ultimately presenting religious cultdom as an extension of Carpenter's critiques on mindless consumerism and his apocalyptic obsessions with the loss of individuality and free will.
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Disraeli, Benjamin. "Chapter III." In Sybil. Oxford University Press, 2017. http://dx.doi.org/10.1093/owc/9780198759898.003.0069.
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‘I have seen a many things in my time Mrs. Trotman,’ said Chaffing Jack as he took the pipe from his mouth in the silent bar room of the Cat and Fiddle; ‘but I never see any like this. I think I ought...
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Erez, T., S. Moldovan, and Soloman. "Social Anti-Percolation and Negative Word of Mouth." In Handbook of Research on Nature-Inspired Computing for Economics and Management. IGI Global, 2007. http://dx.doi.org/10.4018/978-1-59140-984-7.ch053.
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Many new products fail, despite preliminary market surveys having determined considerable potential market share. This effect is too systematic to be attributed to bad luck. We suggest an explanation by presenting a new percolation theory model for product propagation, where agents interact over a social network. In our model, agents who do not adopt the product spread negative word of mouth to their neighbors, and so their neighborhood becomes less susceptible to the product. The result is a dramatic increase in the percolation threshold. When the effect of negative word of mouth is strong enough, it is shown to block any product from spreading to a significant fraction of the network. So, rather then being rejected by a large fraction of the agents, the product gets blocked by the rejection of a negligible fraction of the potential market. The rest of the potential buyers do not adopt the product because they are never exposed to it: the negative word of mouth spread by initial rejectors suffocates the diffusion by negatively affecting the immediate neighborhood of the propagation front.
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Keyes, Ralph. "Coined by Chance." In The Hidden History of Coined Words. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780190466763.003.0002.
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Among the many of ways in which words are born, one seldom receives its due: happenstance. Sources of new words can be fluky. Many new words have resulted from misprints (derring do), befuddlement (decider), and mispronunciation (quark). Proust noted how many terms that French speakers took pride in pronouncing correctly resulted from “blunders made by Gaulish mouths, mispronouncing Latin and Saxon words.” Literary scholar Walter Redfern called such coinage-by-mishap blunderful. Linguists are keenly aware of the role mishaps can play in word creation. In Aspects of Language, Dwight Bolinger and Donald Sears discussed how often simple mistakes fertilize our lexicon. As in the natural world, such mistakes – typos, misspelling, mistranslation – have been a key source of evolutionary change.
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Lauter, Paul. "Looking a Gift Horse in the Mouth." In Canons and Contexts. Oxford University Press, 1991. http://dx.doi.org/10.1093/oso/9780195055931.003.0018.
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These are times which may not yet try our souls, but surely they tempt our spirits. It was but a few years ago that the current drug czar, then chairman of the federal agency dispensing opportunity to humanists, initiated a public campaign to reestablish as the basis of humanistic study a five, or maybe a two-and-a-half foot shelf of great books. These would, presumably, teach us, or at least the youth consigned to us, the central virtues: to quote William Bennett, “not to betray your friends, your God or your country.” Across Washington, the National Institute of Education issued a report suggesting that American higher education suffered from a deep head cold that, were it not properly treated, could easily develop into pneumonia. The treatment, among other things, was an expansion of the liberal arts, and perhaps a return to old-fashioned general education and distribution requirements. Dutifully pursuing the theme, reports of prestigious private organizations like the Association of American Colleges sounded the trumpet of reform. And then, as if in answer to these calls, President Reagan appointed a humanist, an academic, the very initiator of this campaign to revive the humanities and the study of Western civilization as Secretary of Education. And not, as it became apparent, to preside over the dismemberment of that federal department, but to reestablish in education traditional American virtues. It seemed like a humanist's dream, this federally-sanctioned campaign to restore the importance of our disciplines, to “place at the heart of the college curriculum” the “study of the humanities and Western civilization,” and a colleague in high place to put money behind the mouth. And besides, for many of us the very notion of reviving general education requirements, and especially the study of Western civilization, is itself appealing, regardless of money or power. So perhaps it would seem best not to look a gift horse too closely in the mouth, even if the emerging winds bring more than a whiff of sectarian values.
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Snead, James E. "Antiquarian Entrepreneurs: Mounds and Meaning in the Jacksonian Era." In Relic Hunters. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198736271.003.0007.
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In his 1838 Peter Pilgrim, or a Rambler’s Recollections, Robert Bird noted the abundant evidence for ancient human activity in the caverns of the western country, with the associated ironies of modern exploitation: . . . it is quite plain that the Mammoth Cave was once the dwelling-place of man—of a race of the Anakim, as some will have it, whose bones were disinterred in the vestibule . . . The tribe has vanished, and their bones (to what base uses we may return!) converted into gunpowder, have been employed to wing many a death against their warring descendants. . . . Although he included a garbled account of the Caney Branch mummies— “petrified ancients”—Bird did not mention the Kentucky Mummy herself. Thus her transformation over twenty-odd years into an archaeological icon, and then into institutional capital, also effectively obscured the intimate connection between those remains and their place of origin. Indeed, refractions of the discovery can be found in the broader American literature of the 1830s. William Cullen Bryant’s 1832 short story “The Skeleton in the Cave” adapts literary gothic imagery to a distinctively American setting, which features caverns and bones. Over time, however, the Kentucky Mummy reappeared in lore specific to Mammoth Cave itself. Visitors saw sites associated with the Mummy, variously along the “Gothic Avenue” or in the “Haunted Chamber.” A complex web of tales developed of bodies excavated, reburied, or lost, of Indian children long dead but perfectly preserved. Tours stopped at a niche associated with the Mummy and took “time for reverie. It cost me no coaxing to have mine,” wrote Nathaniel Parker Willis; “of all the ladies of past ages I doubt whether there is one who is the subject of a more perpetual series of unwritten poems.” The 1840s invention of traditions concerning the Kentucky Mummy reflects a deepening of the relationship between settlers and the western landscape, which with time and familiarity had evolved from a featureless wilderness into a place with history and meaning.
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Cordes, Eugene H. "Fludalanine: Nice Try But No Hallelujah." In Hallelujah Moments. Oxford University Press, 2014. http://dx.doi.org/10.1093/oso/9780199337149.003.0015.
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It is time that we experienced a tale of failure. As I have stated repeatedly, most drug discovery efforts fail. Choice of the wrong target dooms the effort from the start. Screening may fail to turn up actives, and molecular design may do no better. Given active molecules, medicinal chemistry efforts to improve properties may fail. Senior management’s heavy hand may terminate a promising effort. If one gets as far as development, a safety or efficacy issue may derail the project. Then, too, competitors may outrun you or financial support may dry up. There are many ways to fail, not so many to succeed. All five stories told so far have been successes: finasteride, ACE inhibitors, statins, imipenem/cilastatin, and the avermectins. Chapter 12 provides another example of a success: the gliptins. In this chapter, however, I pull together the threads of a failure: fludalanine. It is the most interesting failed drug discovery story that I know. There is much to learn from it, particularly about problem solving. It has a couple of surprises. By way of background, Merck had set its mind on finding an effective orally active antibiotic, driven in substantial part by the insistence of Max Tishler, Merck’s determined head of research. Orally active antibiotics are attractive. A patient with a bacterial infection may be treated in the hospital with an oral or a parenteral agent, one given by injection or inhalation. An injectable antibiotic may be given intravenously, intramuscularly, or subcutaneously. However, when the patient has been released from the hospital and sent home, it is convenient to have an antibiotic that can be taken by mouth, a tablet or capsule, for continued action against the infection. Ideally, an antibiotic should be available in both a parenteral (intravenous, intramuscular, or subcutaneous) formulation and an orally active formulation. In this way, the patient can be maintained on the same antibiotic when returning home from the hospital. Merck was having trouble meeting its objective.
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Mei, Xiang Ying, Ingrid K. Bagaas, and Erling K. L. Relling. "Storytelling as an Approach to Voice Complaints and eWOM on Social Media/Facebook." In Research Anthology on Strategies for Using Social Media as a Service and Tool in Business. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-9020-1.ch067.
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Customer complaints are unavoidable in any businesses and how firms handle such complaints will affect the public's perception of the company's brand and reputation. While storytelling is being embraced by an increasing number of companies as a different way to communicate their brand, many customers are now also using storytelling as an approach to voice their unfavourable experiences on the social media in regards to a particular unsatisfactory purchase as part of electronic word-of-mouth (eWOM). Such creative and humorous complaints serve as a way to cut through the clutter in order to gain the company's attention. Those companies that embrace such complaints by responding in an equally humorous and creative manner as part of their service recovery process will manage to recover their customers as well as their employees. As such posts are often shared publicly on the Internet, they may become viral and thus can create great positive effect on the company's reputation. Hence, it is important to empower the employees to recover the services using untraditional responses.
Conference papers on the topic "Too many mouths"
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Duan, Shanzhong Shawn, and Andrew Ries. "Mathematical Modeling of Passive Hydraulic Engine Mounts." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67075.
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Hydraulic engine mounts are widely used in automotive powertrain for vibration isolation. A lumped mechanical parameter model is a traditional approach for modeling and simulation of such mounts. This paper presents a mathematical model of passive hydraulic engine mounts with a double-chamber, an inertia track, a decoupler, and a plunger. The model is developed based on analogy between electrical systems and mechanical-hydraulic systems. The model is created to capture both the low and high frequency dynamic behavior of hydraulic mounts. The model will be further used to find the approximate pulse responses of the mounts in terms of the force transmission and top chamber pressure. The close form solution from the simplified linear model may provide some insight into the highly nonlinear behavior of the mounts. Various operational scenarios are also discussed.
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Lee, Bong-Sang, Sang-Yoon Park, and Min-Chul Kim. "Experimental Observation of Front-Face-Displacement and Load-Line-Displacement in CT and Bend Specimens During Fracture Toughness Tests." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77977.
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The master curve method described in ASTM E1921 provides a tool for using small specimens such as sub-sized CT and PCVN specimens for standard fracture toughness testing. However, a direct measurement of the load-line displacement of small specimens is not practical for standard fracture toughness tests. Mostly, the front-face displacement or the crack mouth opening displacement can be measured and converted into the load-line displacement by using an analytical relationship proposed by several investigators. Since those relationships were deduced from numerical calculations of the loaded specimens, experimental deviations may occur because of specimen indentation, rotation and arm bending during an actual testing. It is clear that the determination of fracture toughness is influenced by the accuracy of the estimation of load-line displacement as well as the load measurement. In this study, the relationship between the load-line displacement and the front-face displacement or the crack mouth displacement was investigated experimentally by using a series of CT and Bend specimens modified to measure the two displacements simultaneously during a single test. The results showed that the front-face measurement of CT specimens may result in about 3% more conservative estimate of fracture toughness. In the case of bend specimens, the crack mouth opening displacement measurement may result in about 7% non-conservative estimate of fracture toughness than the load-line measurement.
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Suzuki, Katsuya, and Tsutomu Takagi. "Dynamics of Boat Seine Fishing Using a Net Geometry Simulator." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-58021.
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Boat seine fishing is used to catch mainly demersal species; it has many benefits such as reduced energy and labor costs, and low damage to the sea bottom if it is controlled. This fishing technique has complex motion between the seine boat and the supple net over large operating areas; therefore, the dynamics of its operating processes during fishing are unknown. To investigate the dynamics of boat seine fishing in detail, we calculated its dynamics during a fishing operation using a net geometry simulation system that we developed. Two experimental surveys were carried out in January 2007 at Hokkaido, Japan. Latitude, longitude, and depth were measured in 10 places, from casting the anchor buoy to picking up the seine net. Depth sensors were installed at the top and bottom of the seine net mouth to record a time series of net shape during fishing. Using our net geometry simulator, we simulated net shape and the dynamics of boat seine fishing based on ship position and net depth. Very close agreement was observed between the experimental and simulated depths of the top and bottom of the net mouth during fishing. Three-dimensional visualization of the simulation results showed the capture processes of this fishing technique in a large scale operation. This study shows that our method is valid for modeling fishing operations to better implement smart fishing.
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Mulski, Steven, and Lutz Mauer. "Three Dimensional Virtual Modeling and Analysis Methods of Embedded Drivetrains." In ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/detc2009-87224.
Full textAbstract:
Drivetrains are a major source of vibration, noise and system failures. Accordingly, a significant amount of time and effort is being invested developing simulation methods in order to better understand and avoid potentially damaging vibrations, even before prototypes are created for testing. The first step in simulating any drivetrain is creating suitable virtual models to investigate particular phenomena. Too much model detail leads to long computation times and difficulties in interpreting results, while too little may fail to include desired effects. Because the various levels of detail available in multi-body simulation (MBS) are practically limitless, a significant amount of attention must be given in order to choose the appropriate modeling elements. In the simplest form an entire drivetrain can be modeled as several rigid masses connected with torsional springs, which is justifiable for fundamental concept analyses. For other analyses, full three dimensional modeling with complex components may be necessary. Higher frequency analyses may even necessitate the inclusion of material bending for achieving accurate results. The various available elements for modeling specific components must be well understood in order that appropriate choices are made. Modeling requirements for the elements commonly used in the simulation of drivetrains will be discussed. For example: bearings, gearwheels, universal and constant velocity joints, frequency and amplitude dependent mounts, flexible components (e.g. shafts and gearbox housings), etc. Once virtual models are available, various analysis methods are applied in order to aid designers in identifying and quantifying potentially damaging vibrations. Again the application and limitation of these methods must be well understood in order to generate meaningful results. The following methods will be compared and discussed: resonance analysis, linear system analysis, run-up Fast Fourier Transformation analysis, order analysis, transfer path analysis and durability analysis. These drivetrain modeling techniques and analysis methods are not limited to any specific field of engineering, but can be applied to an extensive range of engineering disciplines. Analyses applied to virtual models out of the automotive and wind turbine sectors will be shown.
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Kagnici, Fatih. "Engine Mount Vibration Sensitivity to Stiffness and Mass Properties of Major Components." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20035.
Full textAbstract:
In order to have an optimized NVH design concept, the design engineers must exchange during the development a lot of attributes that together defines the new engine NVH performance. Moreover, each engine NVH system performance is dependent of many variables. In this respect, 6-Sigma methodology (DMAIC and DCOV) is an excellent tool to support engineers to evaluate systems variables and achieve the required performance. Engine mount brackets’ vibrations have high priority for the NVH performance of the powertrain. Effects of major components on the engine mount vibrations come up as a major topic whenever an error state takes place and improvement is required. This study aims to identify the effect of engine block, ladderframe, head and transmission stiffness and mass properties on 2EO acceleration levels of the 4 cylinder engine power train. Dynamic analysis will be performed under the kinematic engine loadings. There are 2 steps for identifying the objective. The first step is to eliminate the factors which has not significant main and cross effect on engine mount vibrations. Full factorial DOE runs with two levels are performed for this purpose. Hyperstudy tool is used for the DOE design, simulation automation and post processing. After defining the effective factors, 256 Latin Hypercube DOE runs are performed to obtain response surfaces and meta–model. DOE runs are done in Hyperstudy, results are exported to enCORE and transfer functions are calculated by Kriging method. According to the results, a proposed course of action for engine mounts’ accelerations DOE study is prepared and a methodology for this course is executed.
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Lu, Wen Feng, Hong Wee Lim, and Kim Hoo Goh. "Engineering Design and Education: A Case Study on Designing a Competition Fuel Efficient Vehicle Through Experiential Learning." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48817.
Full textAbstract:
Engineering design involves a series of steps that lead to the creation of a product, a system, or a service to meet desired needs. The design and creation of innovative solutions to challenging engineering design problems require young engineers to be immersed in an education environment which challenges and nurtures the thought process and provides the necessary hands-on experience in design. There is increasing convergence in opinions that problem-based and experiential learning should be more integrated with the science-based engineering programs. Experiential learning is the key to engaging students to learn effectively. This paper describes an experiential learning experience for a group of undergraduate students in National University of Singapore (NUS) to design a competition fuel efficient vehicle. The students started with engineering design process and went through a series of steps to design, manufacture, assemble, test and compete in a specifically built prototype urban concept car for the competition with the experiential learning experience. Components of the competition vehicle, from chassis to diminutive parts, such as wheel uprights and motor mounts, have been carefully designed, properly analyzed and fabricated in a teamwork environment. The result is a futuristic fuel efficient urban concept car that won many awards in the competition. The team also took the initiative to promote eco-friendliness and raise awareness with the design of fuel efficient car to battle environmental issues like climate change, pollution, and energy crisis.
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Babakov, Alexander, Alexander Babakov, Boris Chubarenko, and Boris Chubarenko. "SEDIMENT TRANSPORT NEAR THE VISTULA SPIT (BALTIC SEA)." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315e36e45.
Full textAbstract:
The Vistula Spit is a sandy elongated barrier form which borders the Vistula Lagoon from the Baltic Sea. The evolution of the spit as well as nowadays sediment transport along the marine shore of it are still under discussion, especially due to existing of entrance jetties bordered the Strait of Baltiysk, the single inlet to the Vistula Lagoon, and advanced up to 10 m depth seaward. Different hypothesizes about ether uniform transport from north to south or contrary directed fluxes with convergence at various points at the spit shore are discussed. Most of them are based on fact of accumulation of sandy material just to north from the northern entrance jetty as in incoming corner. Basing on statistics of near-surface wind, direct measurements of currents and analysis of direction of the scour hole located between jetties the paper confirms the existence of two opposite fluxes - one brings alluvium from the Vistula River mouth to north as main winds blow from south-west and west, and, in contrast, another one brings material obtained by erosion of the western shore of the Sambian Peninsula to south. Dynamic equilibrium between these fluxes through hundreds of years resulted in formation of present shape of the coastline, and it is expected that the area of the equilibrium in alongshore migrations is in the top of the Yantarny- Baltiysk concave. Appearance of entrance jetties of the Vistula Lagoon inlet, in the area where opposite alongshore migration of material are nearly equalised, leaded to the accretion-erosion pattern, which is pseudo equal to sediment transport from north to south. In fact the accumulation of sand just to north from the northern entrance jetty and erosion to south from southern jetty may be explained by mechanism, when the sand transported in the incoming corner just near the northern mole by southward migrations is excluded from migratory movement and deposited in the zone shadowed by jetties (from northward migrations). Erosion to south of jetties is explained by wind surges in incoming corner for prevailing western winds.
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Babakov, Alexander, Alexander Babakov, Boris Chubarenko, and Boris Chubarenko. "SEDIMENT TRANSPORT NEAR THE VISTULA SPIT (BALTIC SEA)." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93751e4b25.42106675.
Full textAbstract:
The Vistula Spit is a sandy elongated barrier form which borders the Vistula Lagoon from the Baltic Sea. The evolution of the spit as well as nowadays sediment transport along the marine shore of it are still under discussion, especially due to existing of entrance jetties bordered the Strait of Baltiysk, the single inlet to the Vistula Lagoon, and advanced up to 10 m depth seaward. Different hypothesizes about ether uniform transport from north to south or contrary directed fluxes with convergence at various points at the spit shore are discussed. Most of them are based on fact of accumulation of sandy material just to north from the northern entrance jetty as in incoming corner. Basing on statistics of near-surface wind, direct measurements of currents and analysis of direction of the scour hole located between jetties the paper confirms the existence of two opposite fluxes - one brings alluvium from the Vistula River mouth to north as main winds blow from south-west and west, and, in contrast, another one brings material obtained by erosion of the western shore of the Sambian Peninsula to south. Dynamic equilibrium between these fluxes through hundreds of years resulted in formation of present shape of the coastline, and it is expected that the area of the equilibrium in alongshore migrations is in the top of the Yantarny- Baltiysk concave. Appearance of entrance jetties of the Vistula Lagoon inlet, in the area where opposite alongshore migration of material are nearly equalised, leaded to the accretion-erosion pattern, which is pseudo equal to sediment transport from north to south. In fact the accumulation of sand just to north from the northern entrance jetty and erosion to south from southern jetty may be explained by mechanism, when the sand transported in the incoming corner just near the northern mole by southward migrations is excluded from migratory movement and deposited in the zone shadowed by jetties (from northward migrations). Erosion to south of jetties is explained by wind surges in incoming corner for prevailing western winds.
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Guo, Liancheng, Koji Morita, Hirotaka Tagami, and Yoshiharu Tobita. "Validation of a 3D Hybrid CFD-DEM Method Based on a Self-Leveling Experiment." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30618.
Full textAbstract:
The postulated core disruptive accidents (CDAs) are regarded as particular difficulties in the safety analysis of liquid-metal fast reactors (LMFRs). In the CDAs, core debris may settle on the core-support structure and form conic bed mounds. Heat convection and vaporization of coolant sodium will level the debris bed, which is named “self-leveling behavior” of debris bed. To reasonably simulate such transient behavior, as well as thermal-hydraulic phenomena occurring during a CDA, a comprehensive computational tool is needed. The SIMMER code is a successful computer code developed as an advanced tool for CDA analysis of LMFRs. It is a multi-velocity-field, multiphase, multicomponent, Eulerian, fluid dynamics code coupled with a fuel-pin model and a space- and energy-dependent neutron kinetics model. Until now, the code has been successfully applied to simulations of key thermal-hydraulic phenomena involved in CDAs as well as reactor safety assessment. However, strong interactions among rich solid particles as well as particle characteristics in multiphase flows were not taken into consideration for its fluid-dynamics models. Therefore, a hybrid computational method was developed by combining the discrete element method (DEM) with the multi-fluid models to reasonably simulate the particle behaviors, as well as the thermal-hydraulic phenomena of multiphase fluid flows. In this study, 3D numerical simulation of a simplified self-leveling experiment is performed using the hybrid method. Reasonable agreement between simulation results and corresponding experimental data demonstrated the validity of the present method in simulating the self-leveling behavior of debris bed.
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Yang, Haoliang, Catrin M. Davies, and John P. Dear. "Quantification of Creep Cavity Evolution Using a Novel Replica Image Processing Technique." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78497.
Full textAbstract:
In industry, the surface replication technique is employed as a practical method for the lifetime assessment of high temperature components. However, the method is limited as it is a time consuming processes, is susceptible to subjective interpretations and is only sensitive to surface damage, whereas creep damage often initiates sub-surface. A replica of a component’s surface is made by applying a softened plastic foil to it. This foil moulds itself to the alloy’s surface when pressed. After its removal from the alloy, the plastic replica provides an exact copy of the etched surface’s microstructure, which can then be examined. A new image processing technique has been developed that provides a reliable and repeatable, quantified measure of creep cavitation using images obtained from replica films. A series of interrupted tests have been performed at the same load on 2.25CrMo (P22) ferritic steel at 650 °C. Post testing, samples were prepared and replication performed. A quantitative 2D map of the cavities across the specimens’ surface has been obtained using a novel image processing technique. The results are related to the specimens’ strain measurements using a displacement gauge and a novel potential drop technique. This new image processing technique may provide a valuable tool for industry.
Reports on the topic "Too many mouths"
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Dodd, Hope, David Peitz, Gareth Rowell, et al. Protocol for Monitoring Fish Communities in Small Streams in the Heartland Inventory and Monitoring Network. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2284726.
Full textAbstract:
Fish communities are an important component of aquatic systems and are good bioindicators of ecosystem health. Land use changes in the Midwest have caused sedimentation, erosion, and nutrient loading that degrades and fragments habitat and impairs water quality. Because most small wadeable streams in the Heartland Inventory and Monitoring Network (HTLN) have a relatively small area of their watersheds located within park boundaries, these streams are at risk of degradation due to adjacent land use practices and other anthropogenic disturbances. Shifts in the physical and chemical properties of aquatic systems have a dramatic effect on the biotic community. The federally endangered Topeka shiner (Notropis topeka) and other native fishes have declined in population size due to habitat degradation and fragmentation in Midwest streams. By protecting portions of streams on publicly owned lands, national parks may offer refuges for threatened or endangered species and species of conservation concern, as well as other native species. This protocol describes the background, history, justification, methodology, data analysis and data management for long-term fish community monitoring of wadeable streams within nine HTLN parks: Effigy Mounds National Monument (EFMO), George Washington Carver National Monument (GWCA), Herbert Hoover National Historic Site (HEHO), Homestead National Monument of America (HOME), Hot Springs National Park (HOSP), Pea Ridge National Military Park (PERI), Pipestone National Monument (PIPE), Tallgrass Prairie National Preserve (TAPR), and Wilson's Creek national Battlefield (WICR). The objectives of this protocol are to determine the status and long-term trends in fish richness, diversity, abundance, and community composition in small wadeable streams within these nine parks and correlate the long-term community data to overall water quality and habitat condition (DeBacker et al. 2005).
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Cooper, Christopher, Jacob McDonald, and Eric Starkey. Wadeable stream habitat monitoring at Congaree National Park: 2018 baseline report. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2286621.
Full textAbstract:
The Southeast Coast Network (SECN) Wadeable Stream Habitat Monitoring Protocol collects data to give park resource managers insight into the status of and trends in stream and near-channel habitat conditions (McDonald et al. 2018a). Wadeable stream monitoring is currently implemented at the five SECN inland parks with wadeable streams. These parks include Horseshoe Bend National Military Park (HOBE), Kennesaw Mountain National Battlefield Park (KEMO), Ocmulgee Mounds National Historical Park (OCMU), Chattahoochee River National Recreation Area (CHAT), and Congaree National Park (CONG). Streams at Congaree National Park chosen for monitoring were specifically targeted for management interest (e.g., upstream development and land use change, visitor use of streams as canoe trails, and potential social walking trail erosion) or to provide a context for similar-sized stream(s) within the park or network (McDonald and Starkey 2018a). The objectives of the SECN wadeable stream habitat monitoring protocol are to: Determine status of upstream watershed characteristics (basin morphology) and trends in land cover that may affect stream habitat, Determine the status of and trends in benthic and near-channel habitat in selected wadeable stream reaches (e.g., bed sediment, geomorphic channel units, and large woody debris), Determine the status of and trends in cross-sectional morphology, longitudinal gradient, and sinuosity of selected wadeable stream reaches. Between June 11 and 14, 2018, data were collected at Congaree National Park to characterize the in-stream and near-channel habitat within stream reaches on Cedar Creek (CONG001, CONG002, and CONG003) and McKenzie Creek (CONG004). These data, along with the analysis of remotely sensed geographic information system (GIS) data, are presented in this report to describe and compare the watershed-, reach-, and transect-scale characteristics of these four stream reaches to each other and to selected similar-sized stream reaches at Ocmulgee Mounds National Historical Park, Kennesaw Mountain National Battlefield Park, and Chattahoochee National Recreation Area. Surveyed stream reaches at Congaree NP were compared to those previously surveyed in other parks in order to provide regional context and aid in interpretation of results. edar Creek’s watershed (CONG001, CONG002, and CONG003) drains nearly 200 square kilometers (77.22 square miles [mi2]) of the Congaree River Valley Terrace complex and upper Coastal Plain to the north of the park (Shelley 2007a, 2007b). Cedar Creek’s watershed has low slope and is covered mainly by forests and grasslands. Cedar Creek is designated an “Outstanding Resource Water” by the state of South Carolina (S.C. Code Regs. 61–68 [2014] and S.C. Code Regs. 61–69 [2012]) from the boundary of the park downstream to Wise Lake. Cedar Creek ‘upstream’ (CONG001) is located just downstream (south) of the park’s Bannister Bridge canoe landing, which is located off Old Bluff Road and south of the confluence with Meyers Creek. Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ (CONG002 and CONG003, respectively) are located downstream of Cedar Creek ‘upstream’ where Cedar Creek flows into the relatively flat backswamp of the Congaree River flood plain. Based on the geomorphic and land cover characteristics of the watershed, monitored reaches on Cedar Creek are likely to flood often and drain slowly. Flooding is more likely at Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ than at Cedar Creek ‘upstream.’ This is due to the higher (relative to CONG001) connectivity between the channels of the lower reaches and their out-of-channel areas. Based on bed sediment characteristics, the heterogeneity of geomorphic channel units (GCUs) within each reach, and the abundance of large woody debris (LWD), in-stream habitat within each of the surveyed reaches on Cedar Creek (CONG001–003) was classified as ‘fair to good.’ Although, there is extensive evidence of animal activity...