Articles with "cluster size" as a keyword



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First Measurements of Ionization Cluster-Size Distributions with a Compact Nanodosimeter.

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Published in 2021 at "Medical physics"

DOI: 10.1002/mp.14738

Abstract: PURPOSE A nanodosimeter is a type of detector which measures single ionizations in a small gaseous volume in order to obtain ionization cluster size probability distributions for characterization of radiation types. Working nanodosimeter detectors are… read more here.

Keywords: size; ionization cluster; cluster size; size distributions ... See more keywords
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Tests for informative cluster size using a novel balanced bootstrap scheme.

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Published in 2017 at "Statistics in medicine"

DOI: 10.1002/sim.7288

Abstract: Clustered data are often encountered in biomedical studies, and to date, a number of approaches have been proposed to analyze such data. However, the phenomenon of informative cluster size (ICS) is a challenging problem, and… read more here.

Keywords: informative cluster; cluster size; test; balanced bootstrap ... See more keywords
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Correlating cluster size and NLO response of complexes aggregated with bifurcated metal bonds: a DFT study

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Published in 2017 at "Structural Chemistry"

DOI: 10.1007/s11224-017-1009-9

Abstract: In the present work, the cooperativity effect on the NLO response of clusters aggregated with bifurcated metal bonds is reported by DFT calculations at the CAM-B3LYP/6-311++G(d,p) level. Linear clusters of (LiN(CHO)2)1-5 and (NaN(CHO)2)1-5 which are… read more here.

Keywords: metal bonds; nlo response; bifurcated metal; cluster size ... See more keywords
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Size Matters: Ryanodine Receptor Cluster Size Heterogeneity Potentiates Calcium Waves.

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Published in 2019 at "Biophysical journal"

DOI: 10.1016/j.bpj.2018.12.017

Abstract: Ryanodine receptors (RyRs) mediate calcium (Ca)-induced Ca release and intracellular Ca homeostasis. In a cardiac myocyte, RyRs group into clusters of variable size from a few to several hundred RyRs, creating a spatially nonuniform intracellular… read more here.

Keywords: ryr clusters; ryr cluster; ryr; size ... See more keywords
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Fibrous structure in GaSb surfaces irradiated with fast Cu cluster ions

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Published in 2018 at "Journal of Applied Physics"

DOI: 10.1063/1.5002084

Abstract: The effect of fast cluster irradiation on the formation of fibrous structures is investigated for single crystal GaSb surfaces irradiated by Cun+ ions (n = 1–3) with an energy of 0.4 MeV/atom at ion fluences up to 5 × 1015 cm−2.… read more here.

Keywords: fast cluster; gasb surfaces; cluster size; surfaces irradiated ... See more keywords
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Percolation critical exponents in cluster kinetics of pulse-coupled oscillators.

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Published in 2022 at "Chaos"

DOI: 10.1063/5.0138880

Abstract: Transient dynamics leading to the synchrony of a type of pulse-coupled oscillators, so-called scrambler oscillators, has previously been studied as an aggregation process of synchronous clusters, and a rate equation for the cluster size distribution… read more here.

Keywords: cluster; cluster size; size distribution; pulse coupled ... See more keywords
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A new approach in simulating RPC and searching for the causes of large cluster size of RPC

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Published in 2019 at "Journal of Instrumentation"

DOI: 10.1088/1748-0221/14/09/c09012

Abstract: The prototype Resistive Plate Chamber (RPC) has been made for the ATLAS phase II upgrade. The beam-test results showed that its cluster size is larger than expected. To figure out the causes, we developed a… read more here.

Keywords: approach simulating; new approach; simulating rpc; cluster size ... See more keywords
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Informatively empty clusters with application to multigenerational studies.

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Published in 2019 at "Biostatistics"

DOI: 10.1093/biostatistics/kxz005

Abstract: Exposures with multigenerational effects have profound implications for public health, affecting increasingly more people as the exposed population reproduces. Multigenerational studies, however, are susceptible to informative cluster size, occurring when the number of children to… read more here.

Keywords: informative cluster; size; multigenerational studies; cluster size ... See more keywords
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A semiparametric joint model for cluster size and subunit-specific interval-censored outcomes.

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Published in 2022 at "Biometrics"

DOI: 10.1111/biom.13795

Abstract: Clustered data frequently arise in biomedical studies, where observations, or subunits, measured within a cluster are associated. The cluster size is said to be informative, if the outcome variable is associated with the number of… read more here.

Keywords: joint model; interval censored; semiparametric joint; cluster ... See more keywords
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Fuzzifier Selection in Fuzzy C-Means from Cluster Size Distribution Perspective

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Published in 2019 at "Informatica"

DOI: 10.15388/informatica.2019.221

Abstract: Fuzzy c-means (FCM) is a well-known and widely applied fuzzy clustering method. Although there have been considerable studies which focused on the selection of better fuzzifier values in FCM, there is still not one widely… read more here.

Keywords: cluster size; cluster; size distribution; fuzzifier selection ... See more keywords
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COVID-19 cluster size and transmission rates in schools from crowdsourced case reports

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Published in 2022 at "eLife"

DOI: 10.7554/elife.76174

Abstract: The role of schools in the spread of SARS-CoV-2 is controversial, with some claiming they are an important driver of the pandemic and others arguing that transmission in schools is negligible. School cluster reports that… read more here.

Keywords: covid cluster; transmission; cluster; cluster size ... See more keywords