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887 results for “retention”
Exploring the Effects of LC Parameters on Retention Indices of Small Molecules using Amine Scaling - Supplementary Data
<p>In this document the retention times, calculated retention indices and calculated delta retention indices can be found that were used for the thesis on <strong>Exploring the Effects of LC Parameters on Retention Indices of Small Molecules using Amine Scaling</strong>, as well as the raw-data files of the performed measurements.</p>
Dynamics and recovery of forest understory biodiversity over 17 years following varying levels of retention harvesting
<p>1. Retention harvesting is advocated as an alternative to intensive timber harvesting, such as clear-cutting, to better maintain or facilitate recovery of biodiversity and other ecological values in managed forests. However, it is not clear how long the benefits of retention harvests persist.</p> <p>2. We investigated responses of understory vascular plant cover, richness, diversity (inverse Simpson index), and composition to a gradient in dispersed retention (2% [clear-cut], 10%, 20%, 50% and 75% retention; unharvested reference [100% retention]) at 3, 6, 11, and 17 years after harvest, in four boreal mixed wood forest types (deciduous (broadleaf)-dominated, deciduous-dominated with conifer understory, mixed, and conifer-dominated) in western Canada.</p> <p>3. Understory cover and richness tended to increase in the short-term (3 years), peaked at 6–11 years with differences following the gradient of harvesting intensity, then plateaued or declined in the second decade (17 years), by which time there were minimal or no differences among harvesting levels, including the reference. Responses for diversity were minimal. In contrast, composition varied along the gradient of harvesting intensity and showed little recovery towards the unharvested condition over the 17-year period. Generally, for plant community composition, clear-cut and lower retention treatments (10%, 20%) were similar to one another but differed from the higher retention and unharvested reference treatments.</p> <p>4. Synthesis and applications. Retention harvests can moderate the negative impacts of harvesting and facilitate the recovery of biodiversity. Our results suggest that for the cover, richness and diversity of understory vascular plants, this moderating influence is weak and short-lived. However, higher levels of retention can temper changes in understory composition relative to the unharvested forest, but full recovery is likely to be slow and will be complicated by post-harvest regeneration dynamics.</p>
Genova - Stormwater retention capacity
<p>Stormwater retention capacity for two different types of pervious surfaces (resin-gravel pavement and meadow) used in the Gavoglio area in Genova.</p>
Water retention curve measurement (evaporation + dew point method)
<p>Experimental video series: measurement of the water retention curve with evaporation method (HYPROP), and dew point (WP4C). Explanation of laboratory methodology for measuring soil hydraulic properties. English and Spanish subtitles.</p> <p>Video serie experimental: medición de la curva de retención de agua con método de evaporación (HYPROP), y punto de rocío (WP4C). Explicación metodología en laboratorio para medición de propiedades hidráulicas del suelo. Subtítulos en Inglés y en Español</p>
Underlying qualitative data for: "What went wrong? A qualitative exploration of the determinants of poor antiretroviral therapy adherence and retention in care among pregnant and postpartum women in the Uganda WiseMama randomized controlled trial"
<p>This dataset is the underlying qualitative data for the paper entitled: "What went wrong? A qualitative exploration of the determinants of poor antiretroviral therapy adherence and retention in care among pregnant and postpartum women in the Uganda WiseMama randomized controlled trial"</p>
Reproducibility of the wet part of the soil water retention curve: a European interlaboratory comparison (dataset)
<p>The soil water retention curve (SWRC) is a key soil property required for predicting basic hydrological processes. The SWRC is often obtained in the laboratory with non-harmonized methods. Moreover, procedures associated with each method are not standardized. This can induce a lack of reproducibility between laboratories using different methods and procedures or using the same methods with different procedures. The goal here was to estimate the inter- and intralaboratory variability of the measurement of the wet part (from 10 to 300 hPa) of the SWRC. An interlaboratory comparison was carried out between 14 laboratories, using artificially constructed, porous reference samples that were transferred between laboratories according to a statistical design. The retention measurements were modelled by a series of linear mixed models using a Bayesian approach. This allowed the detection of sample-to-sample variability, interlaboratory variability, intralaboratory variability and the effects of sample changes between measurements. Here we present the dataset containing measured data from the interlaboratory comparison, R code to implement models, and final model results.</p>
Supplementarty Data: Retention time and fragmentation predictors increase confidence in identification of common variant peptides
<p>Supplementary data related to the paper "Retention time and fragmentation predictors increase confidence in identification of common variant peptides"</p> <p>The database directory contains the FASTA files of the four protein sequence databases used in the analysis of the paper.</p> <p>The data directory contains exports with lists of all peptide-to-spectrum matches obtained from the analysis.</p> <p>More information and scripts to reproduce the post-processing steps are available at: https://github.com/ProGenNo/VariantPeptideIdentification</p>
Soil water retention curves and soil physicochemical properties
<p class="MsoPlainText"><span>To identify the contribution of soil organic and inorganic fractions to soil water retention, we compiled the data of soil water retention curves and soil physicochemical properties. Data includes site information (Table 1), soil pH, soil C, cation exchange capacity (CEC), exchangeable basic cations, particle size distribution, soil texture class, contents of short-range-order minerals (Table 2), and soil water retention at different pressures, saturated hydraulic conductivity, and termite nest percent in soil profile (Table 3).</span></p>
Macroinvertebrate ecosystem engineering affects streambed retention of microplastics
<p class="MsoNormal"><span>Microplastic pollution of aquatic environments threatens human health, ecosystem processes, and biodiversity. Many existing models of microplastic movement in streams do not account for biotic effects on microplastic fate. Ecosystem engineering by net-spinning caddisflies (Hydropsychidae) has been shown to substantially affect sediment and organic matter transport as well as streambed hydrology. Caddisfly engineering may likewise affect the movement of microplastic pollution in streams. We used a controlled 11-d flume experiment to investigate the potential for caddisflies to serve as a biotic control on microplastic transport. Flumes containing a single gravel dune were randomly assigned to density treatments: control (0 caddisflies/m<sup>2</sup>) or stocked with 500, 800, or 2500 caddisflies/m<sup>2</sup>, incubated (d 1–10) to allow for caddisfly silk structure construction, inoculated (d 11) with PVC microplastics (333 µm–1 mm), and sampled (d 12). Microplastic was quantified as caught in a drift net (downstream transport), eaten by caddisflies (ingestion), or captured in caddisfly silk structures or settled into the gravel dune (i.e., total streambed retention). Mean downstream plastic transport was 9% lower than the control in the 800 caddisflies/m<sup>2</sup> treatment and 10% lower in the 2500 caddisflies/m<sup>2</sup> treatment (<em>p</em> < 0.001 and <em>p</em> = 0.003, respectively). Mean total streambed retention was 9% higher than control in the 800 caddisflies/m<sup>2</sup> treatment (<em>p</em> < 0.001) and 910% higher in the 2500 caddisflies/m<sup>2</sup> treatment (<em>p</em> = 0.004). Ingestion of plastic by caddisflies was rare and highly variable (0–0.55% of plastic particles) but did increase with caddisfly density (<em>p</em> = 0.002). This work represents one of the first investigations of animal ecosystem engineering as a control on the movement and fate of microplastic particles in fresh waters and establishes a foundation for future research on biotic control of microplastic transport.</span><span> Our results suggest that ecosystem engineering by net-spinning caddisflies may serve as a biotic control of microplastic transport in freshwater streams. </span></p>
Effect of Tizanidine on Postoperative Urinary Retention After Sacrospinous Suspension
ClinicalTrials.gov study NCT06258785. IPD Sharing: Not stated. Countries: 1. Publications: 13.
Effect of IV Dexamethasone on Post-op Urinary Retention After Spinal Anesthesia
ClinicalTrials.gov study NCT07077850. IPD Sharing: NO. Countries: 1. Publications: 7.
Post-release Retention in HIV Care for Ex-inmates in South Africa
ClinicalTrials.gov study NCT03340428. IPD Sharing: YES. Countries: 1. Publications: 1.
Retention of Nasoenteric Feeding Tubes in Pediatric Patients Using a Nasal Bridle
ClinicalTrials.gov study NCT04621734. IPD Sharing: NO. Countries: 1. Publications: 1.
Evaluation of Tailored Electronic Reminders on Compliance With Removable Orthodontic Retention
ClinicalTrials.gov study NCT03224481. IPD Sharing: YES. Countries: 1. Publications: 2.
Calcium Retention as Influenced by Dietary Components That Induce an Acid Load
ClinicalTrials.gov study NCT00620763. IPD Sharing: Not stated. Countries: 1. Publications: 2.
Urinary Retention After Laparoscopic Inguinal Hernia Repair: Comparing the Use of the Intraoperative Urinary Catheter
ClinicalTrials.gov study NCT03835351. IPD Sharing: NO. Countries: 1. Publications: 9.
Urinary Retention After Total Laparoscopic Hysterectomy With Immediate Foley Catheter Removal Versus Backfill Void Trial
ClinicalTrials.gov study NCT03141372. IPD Sharing: NO. Countries: 1. Publications: 22.
Prevention of Post-operative Urinary Retention
ClinicalTrials.gov study NCT02486653. IPD Sharing: NO. Countries: 1. Publications: 11.
Effect of Preoperative Tamsulosin on Postoperative Urinary Retention
ClinicalTrials.gov study NCT05753670. IPD Sharing: NO. Countries: 1. Publications: 16.
The Impact of Retropubic Lidocaine vs Saline on Postoperative Urinary Retention Following Midurethral Sling
ClinicalTrials.gov study NCT03913845. IPD Sharing: NO. Countries: 1. Publications: 10.
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