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533 results for “Quality control”
image classification dataset on carbon fiber reinforcement quality control
<p>Image classification dataset on carbon fiber quality control.</p> <p>To represent a practical quality control problem, a dataset was generated using carbon plain weave with a grammage of 200g/m². Pieces of the weave, measuring 300x300 mm², were cut using a CNC cutter table. Two such pieces were stacked, with a binder applied between them for shape stability after the forming process. The formed stacks were then scanned using a high-resolution camera mounted on a robotic arm, resulting in 500 images of the textiles' surfaces in three-dimensional shape. The images were then cropped to 341x384 pixels patches and transformed to grayscale.</p> <p>Each patch was classified into one of three classes: normal textile, gap, or fold. Images that were blurred, out of focus, or had bad contrast were sorted out. The dataset has not yet been released, and will be available upon the acceptance of the document.</p>
Data for the manuscript 'Cover crop root morphology rather than quality controls the fate of root and rhizodeposition C into distinct soil C pools'
<p><strong>Data for manuscript</strong></p> <p>The data provided in the present document corresponds to the manuscript:</p> <p>Engedal, T., Magid, J., Hansen, V., Rasmussen, J., Sørensen, H., Jensen, L. S. (2023): Cover crop root morphology rather than quality controls the fate of root and rhizodeposition C into distinct soil C pools. <em>Global Change Biology, in press</em>.</p> <p> </p> <p><strong>Short abstract</strong></p> <p>In order to investigate the fate of cover crop-derived belowground C as rhizodeposition and, over time, into the distinct soil organic carbon pools of particulate- and mineral-associated organic carbon (POC and MAOC), a column trial was esblished with 0.25 m top soil and 0.25 m sub soil. Four cover crops were grown for 3 months and 14CO2-labelled twice a week. Four out of eight replicate columns were destructively harvested to quantify root C and the carbon lost via rhizodeposition in absolute (qClvR) and relative terms (%ClvR) in bulk soil and rhizosphere soil from top- and subsoil (t1). The other four replicate columns were harvested for undisturbed incubation for one year, before final sampling (t2). Bulk soil from both sampling times were subject to a simple fractionation protocol by size, where particles larger from 50 microns were assigned to POC and smaller than 50 microns assigned to MAOC after dispersion in NaHMP. All fractions were dried, weighed and analyzed for 14C activity as disintegrations per minute (DPM).</p> <p> </p> <p><strong>Further details</strong></p> <p>Column ID 1-16 refer to columns sampled at t1, while column ID 17-32 refer to columns sampled at t2. Underlying assumptions and detailed descriptions of the different fractions are to be found in the manuscript.</p>
Data from: Litter quality controls tradeoffs in soil carbon decomposition and replenishment in a subtropical forest
<p><span>Species-rich forests can produce litter of varying carbon (C) and nitrogen (N) composition (<em>i.e</em>., quality), which can affect decomposition and play a central role in long-term soil organic carbon (SOC) accumulation. However, how differences in litter quality affect SOC decomposition and formation remains unclear over the full litter decomposition trajectory. </span></p> <p><span>We followed the <em>in-situ</em> complete decomposition of added <sup>13</sup>C-labelled high- (low C:N) and low-quality (high C:N) leaf-litter and its effect on particulate (POM) and mineral-associated (MAOM) organic matter fractions over two years in a natural subtropical forest.</span></p> <p><span>We found that during early stages of decomposition</span><span>, low-quality litter inputs decreased SOC via a positive priming effect (i.e., new C inputs favored decomposition of native SOC), but these SOC losses were offset by SOC gains observed via a negative priming effect during decomposition of high-quality litter. In contrast, this pattern reversed during </span><span>late</span><span> stages of decomposition</span><span>—SOC losses via a positive priming effect induced by </span><span>high-quality litter were offset by SOC gains via a negative priming effect induced by low-quality litter. </span><span>Over the full decomposition of litter, b</span><span>oth high- and low-quality litter stimulated</span><span> microbial breakdown of SOC tied to POM,</span><span> but </span><span>also replenished more persistent SOC that associated with soil minerals (MAOM).</span><span> Altogether, we observed</span><span> that low-quality litter formed twice as much new SOC as high-quality litter (24% vs. 12% of added litter-C). We extend the notion of the priming effect </span><span>from primarily a negative role promoting losses of native SOC, to a functional role that can replenish persistent SOC.</span> </p> <p><strong><em><span>Synthesis</span></em></strong><span><strong><em>.</em></strong> Our measurements</span><span> raise the possibility that, in species-rich forests, high- and low-quality litter decomposition play opposite but dynamically complementary roles in renewing POM—both by inducing its decomposition and formation—while exclusively favoring MAOM formation, which can help explain how differences in litter quality favor SOC accumulation and persistence. Global change factors that shift plant community composition may ultimately affect the fate of soil C, as changes in litter quality may force soil transitions </span><span>from sinks to sources or sources to sinks of atmospheric CO<sub>2</sub>.</span></p>
TARGeted Intraoperative radioTherapy With INTRABEAM as a Boost for Breast Cancer - A Quality Control Registry
ClinicalTrials.gov study NCT01440010. IPD Sharing: Not stated. Countries: 1. Publications: 25.
A Randomized, Controlled Trial to Evaluate CT Image Quality Lumentin® 44
ClinicalTrials.gov study NCT03326518. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effects of Sleep Hygiene Education and Progressive Relaxation Exercise on Anxiety, Sleep Quality and Glycemic Control in Diabetic Patients
ClinicalTrials.gov study NCT06960408. IPD Sharing: NO. Countries: 0. Publications: 0.
Effectiveness of Coping Strategies on the Control of Chronic Non-Cancer Pain and Quality of Life (CNCP_CopQol)
ClinicalTrials.gov study NCT04696107. IPD Sharing: YES. Countries: 1. Publications: 23.
A Study to Evaluate Disease Control, Treatment Patterns, Burden of Disease and Quality of Life in Participants With Moderate to Severe Inflammatory Bowel Disease (IBD)
ClinicalTrials.gov study NCT03488030. IPD Sharing: YES. Countries: 1. Publications: 1.
Multidisciplinary Care for Lifestyle Change for Metabolic Control and Quality of Life in Prediabetes (PreCPro)
ClinicalTrials.gov study NCT06468553. IPD Sharing: UNDECIDED. Countries: 1. Publications: 3.
The MiniMed™ 780G Glycemic Control and Quality of Life Study for the Treatment of Pediatric and Adult Subjects With Type 1 Diabetes in France.
ClinicalTrials.gov study NCT04308291. IPD Sharing: NO. Countries: 1. Publications: 1.
A Double-blind, Placebo-controlled, Crossover Study to Assess the Effect of Aclidinium Bromide 400 μg Bid on COPD Symptoms and Sleep Quality After 3 Weeks of Treatment in Patients With Stable Moderate
ClinicalTrials.gov study NCT02153489. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Low Carbohydrate Diet, Glycaemic Control and Quality of Life in Australian Adults With Type 1 Diabetes
ClinicalTrials.gov study NCT04213300. IPD Sharing: NO. Countries: 1. Publications: 1.
Low Pressure Pneumoperitoneum and Deep Neuromuscular Block vs. Standard During RARP to Improve Quality of Recovery; a Randomized Controlled Study.
ClinicalTrials.gov study NCT04250883. IPD Sharing: NO. Countries: 1. Publications: 1.
Golden Rice Cookies With Piper Crocatum for Blood Glucose Control and Quality of Life in People Living With HIV With Hyperglycemia
ClinicalTrials.gov study NCT07187648. IPD Sharing: NO. Countries: 0. Publications: 3.
Quality Control: A Prospective Analysis of EVD Effectiveness
ClinicalTrials.gov study NCT02484287. IPD Sharing: Not stated. Countries: 1. Publications: 6.
Effects of a Second-generation Mindfulness-based Intervention on Quality of Life, Pain Management, and Psycho-spiritual Wellbeing in Cancer Patients: A Randomised Controlled Trial
ClinicalTrials.gov study NCT06695234. IPD Sharing: YES. Countries: 1. Publications: 8.
The Effect of Music on Sleep Quality and Comfort in Elderly: a Randomized Controlled Trial
ClinicalTrials.gov study NCT06843941. IPD Sharing: NO. Countries: 1. Publications: 3.
Multicomponent Integrated Intervention on Metabolic Control and Quality of Life in Type 2 Diabetes: DIABEMPIC Program
ClinicalTrials.gov study NCT04245267. IPD Sharing: YES. Countries: 1. Publications: 3.
Protein Quality on Appetite Control, Reward-driven Eating, & Subsequent Food Intake
ClinicalTrials.gov study NCT02285907. IPD Sharing: NO. Countries: 1. Publications: 1.
Impact of Robotic Glove Use on Quality of Life, Grip Strength and Fine Motor Control in ALS
ClinicalTrials.gov study NCT07298486. IPD Sharing: YES. Countries: 1. Publications: 4.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.