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A Case Study on the Advantages of 3D Walkthroughs over Photo Stitching Techniques
No full textVirtual tours and interactive walkthroughs enable a more in-depth platform for communicating information. Many current techniques employ the use of Photo Stitching to accomplish this. However, over the last decade advancements in computing power and the accessibility of game engines, meant that developing rich 3D content for virtual tours is more possible than ever before. As such, the purpose of this paper is to present a study into the advantages of developing an interactive 3D virtual tour of student facilities, using the Unreal Development 4 Game Engine, for educational establishments. The project aims to demonstrate a comparison between the use of Photo Stitching and 3D Modelled interactive walkthrough for developing rich visual environments. The research reveals that the approach in this paper can improve educational facilities prominence within universities, and contains many advantages over Photo Stitching techniques
Addressing the health problems of the (inner city) homeless : a systematic review and a controlled trial.
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Automatic tuning PID controller for dissolved oxygen concentration in fermentation processes.
No full textConnection Learning: A Framework for the Development of Teaching
No full textThe author explores how student learning can be enhanced through the appropriate development of teaching skills. In his review of elements of best practice drawn from the literature, conference material, and action research, the concept of “con¬nectivity” emerged as a recurring, implicit term. From this evolved the concept of “connection learning,” which is based on the principle that learning is about creating links between concepts, ideas, and experiences. Connection learning creates an innovative way to think about teaching and learning based on student-centered learning and conceptual change. The author proposes a framework aligning these overarching conceptions of teaching with daily teaching and learning strategies
Proto-consonants were information-dense via identical bioacoustic tags to proto-vowels
No full textWhy did our ancestors combine the first consonant- and vowel-like utterances to produce the first syllable or word? To answer this question, it is essential to know what constituted the communicative function of proto-consonants vs. proto-vowels before their combined use became universal. Close to nothing is known, however, about consonant-like calls in the primate order1,2. Here, we investigate a large collection of voiceless consonant-like calls in nonhuman great apes – our closest relatives – namely orangutans (Pongo spp.). We analyzed 4486 kiss-squeaks collected across 48 individuals in four wild populations. Despite idiosyncratic production mechanics, consonant-like calls displayed information dense content and the same acoustic signatures found in nonhuman primate voiced vowel-like calls, implying similar biological functions. Selection regimes between proto-consonants and -vowels were, thus, probably indistinguishable at the dawn of spoken language evolution. Our findings suggest that the first proto syllables or -words in our lineage probably constituted message reiterations, instead of messages of increasing intricacy
Adapting to ageing: a mixed methods study of the role of Selection, Optimisation and Compensation in the maintenance of high wellbeing
No full textObjectives: Selection, Optimization and Compensation (SOC) may contribute to successful aging by helping older people maximize wellbeing in the context of physical decline. To explore this hypothesis, and to investigate the potential for narrative analysis to improve understanding of SOC, we analyze interviews conducted with 15 members of the 6-Day Sample, a cohort of Scots born in 1936.
Method: Interviewees were chosen based on their physical function and wellbeing scores. Interviews were analyzed to investigate ‘SOC talk’, i.e. older people’s talk about SOC behaviors in everyday life. Types and amounts of SOC talk were quantified, and talk was narratively analyzed. We hypothesized that older people who engaged in more SOC talk would have higher wellbeing.
Results: Older people who engaged in high levels of SOC talk had high wellbeing despite low physical function. Those who engaged in little SOC talk had low wellbeing despite higher physical function.
Discussion: The concept of successful aging is valuable in part because of its narrative quality: one must strive to keep one’s life story developing despite physical decline and other losses. We provide evidence, from the perspectives of older people themselves, of the ways in which SOC may play a role in that process
Vascular Function and Structure in Veteran Athletes after Myocardial Infarction.
Get PDFPURPOSE: Although athletes demonstrate lower cardiovascular risk and superior vascular function compared with sedentary peers, they are not exempted from cardiac events (i.e., myocardial infarction [MI]). The presence of an MI is associated with increased cardiovascular risk and impaired vascular function. We tested the hypothesis that lifelong exercise training in post-MI athletes, similar as in healthy controls, is associated with a superior peripheral vascular function and structure compared with a sedentary lifestyle in post-MI individuals. METHODS: We included 18 veteran athletes (ATH) (>20 yr) and 18 sedentary controls (SED). To understand the effect of lifelong exercise training after MI, we included 20 veteran post-MI athletes (ATH + MI) and 19 sedentary post-MI controls (SED + MI). Participants underwent comprehensive assessment using vascular ultrasound (vascular stiffness, intima-media thickness, and endothelium (in)dependent mediated dilatation). Lifetime risk score was calculated for a 30-yr risk prediction of cardiovascular disease mortality of the participants. RESULTS: ATH demonstrated a lower vascular stiffness and smaller femoral intima-media thickness compared with SED. Vascular function and structure did not differ between ATH + MI and SED + MI. ATH (4.0% ± 5.1%) and ATH + MI (6.1% ± 3.7%) had a significantly better lifetime risk score compared with their sedentary peers (SED: 6.9% ± 3.7% and SED + MI: 9.3% ± 4.8%). ATH + MI had no secondary events versus two recurrent MI and six elective percutaneous coronary interventions within SED + MI (P < 0.05). CONCLUSION: Although veteran post-MI athletes did not have a superior peripheral vascular function and structure compared with their sedentary post-MI peers, benefits of lifelong exercise training in veteran post-MI athletes relate to a better cardiovascular risk profile and lower occurrence of secondary events
Genomic Signatures of Historical Allopatry and Ecological Divergence in an Island Lizard
No full textGeographical variation amongcontiguouspopulations is frequently attributed to ecological divergence or historical isolation followed by secondary contact.Distinguishing between these effects is key to studies of incipient speciation and could be revealed by different genomic signatures. We used RAD-seq analyses to examine morphologically divergent populations of the endemic lizard (Gallotia galloti) from the volcanic island of Tenerife. Previous analyses have suggested ecological and historical causes to explain the morphological diversity. Analyses of 276,483 single nucleotide polymorphisms (SNPs) from>20 Mbp of the genome revealed one genetically divergent population from Anaga, a region associated with divergent mtDNA lineages in other Tenerife endemics. This population also has a high number of private alleles, and its divergence can be explained by historical isolation. Bayesian outlier analyses identified a small proportion of SNPs as candidates for selection (0.04%) which were strongly differentiated between xeric andmesic habitat types. Individual testing for specific xeric–mesic selection using an alternative approach also supported ecological divergence in a similarly small proportion of SNPs. The study indicates the roles of both historical isolation and ecological divergence in shaping genomic diversity in G. galloti.However, north–southmorphological divergence appears solely associated with the latter and likely involves a relatively small proportion of the genome
Preliminary classification of characteristic organic gunshot residue compounds.
Get PDFFor the first time, a classification system for organic gunshot residue (OGSR) compounds with respect to the confirmation of OGSR materials is presented. There are 136 compounds considered to be associated with OGSR that have been highlighted in the literature. Many of these compounds could be classified as being ubiquitous in the environment and thus their detection as characteristic components of OGSR could cause issues with the interpretation of chemical ballistic evidence. The proposed system aims to address this problem by classifying OGSR compounds based on their forensic relevance with respect to the confirmation of GSR materials. To increase the forensic relevance of such a system, the large number of OGSR compounds reported in the literature has been decreased to 20 OGSR compounds based on the organic chemical composition of over 200 propellant powders. Occupational and environmental materials also associated with OGSR compounds have been considered
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