why do we age and die

Why Do We Need Fiber?

Ngày tải lên : 18/10/2013, 19:15

... serve sight-impaired audiences.” Table Bandwidth Requirements Under MPEG4 Part 10 Standards Page A Study on Video Over IP and the Effects on PON Architectures PON Bandwidths and MPEG Comparisons ... Take Rates Premium 20% Standard 20% Premium 30% Standard 10% Premium 40% Standard 0% Premium 50% Standard 50% Premium 75% Standard 25% Premium 100% Standard 0% Exhibit PON Bandwidth in Reference ... Industry Standard 29.9 Already ratified as part of the MPEG-4 standard — MPEG-4 Part 10 — and the ITU-T’s latest videoconferencing standard, H.264 are now mandatory for the HD-DVD and Blu-Ray...

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báo cáo sinh học:" Specialist training in Fiji: Why do graduates migrate, and why do they remain? A qualitative study" potx

Ngày tải lên : 18/06/2014, 17:20

... attainment and migration status (see Table 2) Although doctors living in Fiji outside of Suva (the capital) as well as doctors living in Australia were interviewed, for practical reasons most doctors were ... countries and had no intention of returning to work in Fiji in the short term or medium term ("overseas migrants") were interviewed, of whom four were Indo-Fijians and three were Fijians All seven doctors ... specialty and career stage, and included migrants, doctors in private practice or in the public sectors, as well as doctors who had returned from overseas The underrepresentation, however, of...

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Báo cáo y học: " Why Do We Put Cervical Collars On Conscious Trauma Patients?" ppt

Ngày tải lên : 13/08/2014, 23:20

... interface pressures between the skin and different surfaces in healthy volunteers Main and Lovell showed that the highest pressures are found at the sacrum (233.5 mmHg) and the thorax (82.9 mmHg).[17] ... Comparison of long spinal board and vacuum mattress for spinal immobilisation Emerg Med J 2003, 20:476-478 Bandiera G, Stiell IG, Wells GA, Clement C, De Maio V, Vandemheen KL, Greenberg GH, Lesiuk ... flexion/extension and rotation.[12] This is improved by the use of sandbags and tape, which on their own provide better cervical spine immobilisation than a collar alone.[13] Finally, we come to the...

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Why should we receive and uphold the five precepts

Ngày tải lên : 25/11/2015, 12:45

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The Power of Habit: Why We Do What We Do in Life and Business

Ngày tải lên : 11/03/2014, 18:09

... York RANDOM HOUSE and colophon are registered trademarks of Random House, Inc Library of Congress CataloginginPublication Data Duhigg, Charles The power of habit : why we what we in life and business ... coincidental and unintentional Copyright © 2012 by Charles Duhigg All rights reserved Published in the United States by Random House, an imprint of The Random House Publishing Group, a division of Random ... societies, and organizations has expanded in ways we couldn’t have imagined fifty years ago We now know why habits emerge, how they change, and the science behind their mechanics We know how...

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Why do languages die

Ngày tải lên : 01/11/2013, 09:20

... notably Botswana, Namibia, Swaziland, and Zimbabwe – the disease has damaged a quarter of the population aged between 15 and 50 In these four countries, the eﬀect on languages will be limited, because ... of the endangered minority languages.22 Why is this stage so important? It is because bilingualism oﬀers a modus vivendi between the dominant and dominated language – an option for coexistence ... Why languages die? 69 middle estimate of the highest number of languages in the world at any one time There are some 6,000 languages now But no one knows how many languages have come and...

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Why do Internet services fail, and what can be done about it? ppt

Ngày tải lên : 06/03/2014, 21:20

... number of outages, and that system software and planned maintenance caused the largest amount of total downtime They were unable to classify a large percentage of the problems (58%) We note that ... operator tools and systems; creation of an industry-wide failure repository; and adoption of standardized service-level benchmarks We also comment on the representativeness of the data we have presented ... details on the architecture and operational practices of these services can be found in [17] Because we are interested in why and how largescale Internet services fail, we studied individual problem...

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How and Why Do Small Firms Manage Interest Rate Risk? Evidence from Commercial Loans pot

Ngày tải lên : 15/03/2014, 10:20

... oversamples large firms and minority-owned firms, I present weighted averages based on the SBF sampling weights, as well as unweighted statistics for comparison 70 per cent of unweighted observations ... average maturity of years, and the average weighted loan size is $324 thousand (around one-third of average firm assets) Most importantly, there is substantial variation in firms’ choices between ... studies of the determinants of firms’ use of derivatives include Covitz and Sharpe (2005), Purnandanam (2004), Lin and Smith (2003), Rogers (2002), Graham and Rogers (2002), Géczy, Minton and...

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What Is the Cognitive Neuroscience of Art… and Why Should We Care? ppt

Ngày tải lên : 23/03/2014, 13:20

... when we are scrutinizing old lands and what we might learn from them It would also be helpful to know when shapes  in the distance are new lands and what new discoveries we might make if we were ... training to step back and take a broad view of what we are doing, even though that might be precisely what is needed in these early days We ought have a sense of where we are and where we might go That, ... studies; economics; environmental studies; epistemology; gender studies; geography; history; information science; international relations; languages and cultures; law; linguistics and language...

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Beyond the Golden Section and Normative Aesthetics: Why Do Individuals Differ so Much in Their Aesthetic Preferences for Rectangles? pot

Ngày tải lên : 30/03/2014, 16:20

... participant and showed an average value of 2.23 s (Mdn ϭ 2.10, SD ϭ 1.05; fifth and ninth percentiles ϭ 87 and 4.30; range ϭ 0.45–5.30) There was no correlation between response time and loadings ... however, ignores the human propensity for ascribing meaning and feeling to almost any object, however arbitrary (and, for instance, participants have aesthetic preferences for some random dot ... chance in a random matrix (Ն36); participants were significant with 01 Ͻ p Ͻ 05 (30 –35 triads), participants were significant with 001 Ͻ p Ͻ 01 (24 –29 triads), and 61 participants were significant...

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the genomics age how dna technology is transforming the way we live and who we are - gina smith

Ngày tải lên : 08/04/2014, 13:10

... help us better understand how we treat [a disease] And if we can’t treat it and it may be a long time before we can treat [the diseases associated with many mutations], we ll be able to say, ... their sequencers, and splicing and recombining DNA became possible Understanding how bases always match up allowed high-powered computers to shred and put back together human DNA and figure out ... managed to figure out the double helical shape of DNA and how its two strands lined up with one another Understanding the shape and replication method of DNA paved the way for the biotech and...

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why do trees die

Ngày tải lên : 20/04/2014, 13:38

... carbohydrates to either branch and root expansion, or seed and flower production, it will choose the latter; likewise, production of fine roots comes before seeds and flowers; lastly, respiration is ... damages foliage and twigs, causing carbohydrate demands to focus on restoration rather than growth a Soil compaction Creates drought-like conditions; reduces carbohydrate production; exposes and ... References Kramer, Paul J and Theodore T Kozlowski 1960 Physiology of Trees McGraw-Hill Book Company New York Oliver, Chadwick D and Bruce Larson, 1996 Forest Stand Dynamics John Wiley and Sons, Inc Shigo,...

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Báo cáo sinh học : "What do we know about influenza and what can we do about it" ppsx

Ngày tải lên : 06/08/2014, 19:20

... the future and progress is being made in identifying conserved amino acid sequences associated with past pandemics [5] but we don’t yet know enough about what determines infectivity and virulence ... induced by viral infection and in turn induces cellular anti-viral proteins that interfere with viral replication; and we have already mentioned the HA and the NA, and members of the viral polymerase ... strategies and vaccine formulations for epidemic and pandemic influenza control Hum Vaccin 2009, 5: 126-135 Sui J, Hwang WC, Perez S, Wei G, Aird D, Chen LM, Santelli E, Stec B, Cadwell G, Ali...

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Ecological aspects of the floral phenology of the cork-oak (Q suber L): why do annual and biennial biotypes appear docx

Ngày tải lên : 08/08/2014, 19:21

... season We also noted that flowering and fruit maturation were extended for longer periods, in this population In both cases studied, we found that ’self-induced’ flowering (Corti, 1955) and reactivation ... inflorescences and whose leaf biomass is greater and 4) androgynous trees, which produce both kinds of inflorescences and whose acorn yield is high Among-population variation We showed the existence ... of April, May and June The greatest percentage of trees with mature flowers was observed in May (fig 2) Pistillate flowers Their development is initiated in April, May and June, and extends almost...

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Báo cáo y học: "What do we know about communicating risk? A brief review and suggestion for contextualising serious, but rare, risk, and the example of cox-2 selective and non-selective NSAIDs" pot

Ngày tải lên : 09/08/2014, 10:23

... patients aged over 60 years [77], up to 14% in a recent Dutch study [78], and in the range of to 12% in a meta-analysis combining randomised trials and observational studies [69] Page of 16 (page ... observational and other studies of NSAIDs there were large differences between drugs [6] Similarly, differences between individual coxibs are apparent for gastrointestinal bleeding [7], and between individual ... Combinations of words, for instance 'risk AND presentation', or 'risk AND communication' were used, and any original studies or reviews likely to be pertinent were obtained, in as much as they related...

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Báo cáo y học: "Lessons from dynamic cadaver and invasive bone pin studies: do we know how the foot really moves during gait" potx

Ngày tải lên : 10/08/2014, 21:23

... conditions and under local infiltration of anaesthesia There are clear post study protocols for weightbearing and medical support Results and discussion What have we learnt about foot and ankle ... degrees of freedom as the human body Loads must be applied to the specimen and its tendons at a magnitude and rate as occurs in gait (or as close as possible) Moving the specimen and loading the ... dorsi- and plantarflexion provider, as was traditionally thought Furthermore, there is clear evidence that in some feet the ankle displays more frontal and transverse plane motion Page of (page...

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báo cáo khoa học: "Why are we fat? Discussions on the socioeconomic dimensions and responses to obesity" pot

Ngày tải lên : 11/08/2014, 14:21

... metabolic rule that when we consistently overeat we put on weight: it therefore follows that dietary intake and physical activity matters [24] However, changes in diet and levels of physical activity ... the Canary Islands, Ceuta and Melilla, Comunidad Valenciana, La Rioja and Andalusia (from 12 to 16%) and the lowest rates are found in Asturias, Castilla la Mancha, Galicia, Madrid and Basque Country ... understanding of the interplay of local, regional, national and global factors [42-44] A third focus points to the imbalance of power between the public good and corporate freedom [45] and raises...

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báo cáo khoa học:" Palatal development of preterm and low birthweight infants compared to term infants – What do we know? Part 1: The palate of the term newborn" ppt

Ngày tải lên : 11/08/2014, 23:22

... distinguish between term and preterm children, included children up to three weeks of age, and did not consider the mode of presentation Correlations between palatal width and size or birthweight could ... frenulum to a connecting line between the tubera) width and length with bodyweight and total body length in 100 male newborns were shown to be of low order (between 0.37 and 0.56), as the palatal dimensions ... eight letters, six dissertations, and two masters theses By hand search, eight abstracts, six bookchapters, and one encyclopedia were identified Twenty-eight studies were excluded (Table 1, http://www.head-face-med.com/content/1/1/8...

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báo cáo khoa học:" Palatal development of preterm and low birthweight infants compared to term infants – What do we know? Part 2: The palate of the preterm/low birthweight infant" pps

Ngày tải lên : 11/08/2014, 23:22

... 58%); palatal and maxillary alveolar cysts increase with increasing gestational age, post-natal age and birthweight; no significant differences were found in the prevalence of palatal and alveolar ... preterm infant, [BW] birthweight, [LBW] low birthweight, [NBW] normal birthweight, [VLBW] very low birthweight, [NBW] normal birthweight, [GA] gestational age, [GW] gestational weeks, [NS] not significant ... PT/LBW and term infants' palatal measurements Results and Discussion Seventy-eight articles published between 1940 and 2000 were included in the analysis of descriptions of the palatal morphology and...

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Báo cáo khoa học: " Understanding the lingering consequences of what we treat and what we do" potx

Ngày tải lên : 12/08/2014, 20:20

... decrements and the numerous interactions between different downstream outcomes For example, how rapidly we lose lean muscle mass when sick and ‘cytokine-emic’ in the ICU? How effectively we replete ... HL69991 and R01 HS/HL11620), AHRQ (R01 HS/HL11620), and NIGMS (R01 GM61992) to determine intermediate and long-term outcomes of critical illness References So how we tease this out? Fundamentally, we ... articulating and testing specific hypotheses about why health status and quality of life may be poor post ICU discharge We must subtract the ‘background noise’ of preexisting conditions, and must...

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