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29 results for “Construction sites”
Figure 5 in Leaf and site selection for nest construction and oviposition in Aysha piassaguera Brescovit, 1992 (Araneae: Anyphaenidae)
Figure 5. Frequency of available branches and branches with Aysha piassaguera nests at both substrate heights. Nbranches with nests = 162; Navailable branches = 2645.
Data from: Tuberculosis research in road construction sites
<p><strong>Introduction: </strong>Workers with occupational exposure to respirable silica dust like casual labourers at road construction sites (RCSs) are known to be at a high risk of developing pulmonary tuberculosis (TB). There is limited literature about the burden of PTB among this sub-population with high occupational exposures to silica dust at road construction sites. We aimed to determine the prevalence of PTB among casual labourers working at road construction sites in Central Uganda.</p> <p><strong>Methods: </strong>We enrolled 297 participants by consecutive sampling into a cross-sectional study in September 2022 at four road construction sites in four districts in Central Uganda. A structured questionnaire was administered and the PTB cases were identified using a Gene Xpert and/or Computer Aided Detection for TB (CAD4TB). Data were analyzed in STATA version 17.0. Descriptive statistics adjusted for clustering were used to summarize the data and the relationship between PTB and independent variables were assessed using a mixed effects modified Poisson regression model to estimate the adjusted prevalence ratios.</p> <p><strong>Results:</strong> Most participants were males (95.6% (284/297)), median age was 29 years [Interquartile range (IQR); 25, 33]. The prevalence of PTB among casual labourers was 2.4% (95% CI: 1.9, 2.8). Being vaccinated with BCG (3.45, 95% CI (1.02, 11.61)), alcohol use (2.70, 95% CI (1.52, 4.80)) and staying in overcrowded house (8.13, 95% CI (4.37, 15.12)) were positively associated with having PTB.s</p> <p><strong>Conclusion: </strong>There is a high prevalence of PTB among casual labourers working at road construction sites in Central Uganda. Individuals who had never been vaccinated with BCG, alcohol users and those staying in overcrowded houses were at an increased risk of having PTB. We recommend routine screening of casual labourers at road construction sites to optimize active TB case finding.</p>
Real-time Welding Sparks Detection on Construction Sites us-ing Contour Detection and Deep Learning
<p>One of the primary causes of fires at construction sites is welding sparks. Fire detection systems utilizing computer vision technology offer a unique opportunity to monitor fires in construction sites. However, little effort has been made to date in regards to real-time tracking of small sparks that can lead to major fires at construction sites. In this study, a novel method is proposed to detect welding sparks in real time contour detection with deep learning parameter tuning. An automatic parameter tuning algorithm employing a convolutional neural network was developed to identify the optimum hue-saturation-value. Additional filtering methods regarding non-welding zone and contour area-based filter, were also newly developed to enhance prediction accuracy of welding sparks. The method was evaluated using 230 welding sparks images and 104 videos. The results obtained from the welding images indicate that the suggested model for detecting welding sparks achieves a precision of 74.45% and a recall of 63.50% when noise images, such as flashing and reflection light, were removed from the dataset. Furthermore, our findings demonstrate that the proposed model is effective in capturing the number of welding sparks in the video dataset, with a 95.2% accuracy in detecting the moment when the number of welding sparks reaches its peak. These results highlight the potential of automated welding sparks detection for enhancing fire surveillance at construction sites.</p>
Data from: Tuberculosis research in road construction sites
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Data from: Constructing phylogenies in the presence of Intra-Individual Site Polymorphisms (2ISPs) with a focus on the nuclear ribosomal cistron
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Data from: Restriction site-associated DNA sequencing for SNP discovery and high-density genetic map construction in southern catfish (Silurus meridionalis)
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Transcriptome-wide identification of nuclear and cytoplasmic RNA-binding sites of FUS RBD-only constructs
GEO Series GSE139263. Homo sapiens. 12 samples. Type: Other; Expression profiling by high throughput sequencing.
Cross-Site Comparison of Ribosomal Depletion Kits for Illumina RNAseq Library Construction
GEO Series GSE100127. Homo sapiens. 78 samples. Type: Expression profiling by high throughput sequencing.
Figure 10 in Leaf and site selection for nest construction and oviposition in Aysha piassaguera Brescovit, 1992 (Araneae: Anyphaenidae)
Figure 10. Logistic regression showing the effect of the length/width ratio of the leaves on the presence (1) or absence (0) of Aysha piassaguera nests. N0 = 36; N1 = 18.
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.