Results 81 to 90 of about 10,409 (200)
FHtest: An R Package for the Comparison of Survival Curves with Censored Data
Journal of Statistical Software, 2017 The Fleming-Harrington class for right-censored data was first introduced by Harrington and Fleming (1982). This class is widely used in survival analysis studies and it is a subset of the so-called weighted logrank test statistics.
Ramon Oller, Klaus Langohr
doaj +1 more source
Insomnia and Risk of Tooth Wear and Fracture: Evidence From a Nationwide Population‐Based Cohort
Journal of Oral Rehabilitation, EarlyView.In this nationwide population‐based cohort study, insomnia was associated with increased risks of tooth wear and tooth fracture. These findings suggest that insomnia may have clinically relevant implications for oral health. ABSTRACT Background Insomnia is associated with various systemic conditions; however, its relationship with structural dental ...
Heon‐Young Kim +8 more
wiley +1 more source
Spectroscopy and Dynamics of Er3+: Y2 Si O5 at 1.5 μM
, 2006 We present the results of detailed site-selective spectroscopy performed on the I15∕24↔I13∕24 transition of Er3+:Y2SiO5 at 1.5μm. New determinations of the I13∕24 and I15∕24 crystal-field-level structure for the two crystallographically inequivalent Er3+
Thiel, C W +3 more
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Substance use and labour market nexus in South Africa
Scientific AfricanSubstance abuse is a major public concern for the entire world. Using data from the National Income Dynamic Study wave four, this study examines the impact of substance (alcohol and tobacco) consumption on labour market outcomes in South Africa using the
Lateef Olalekan Bello +2 more
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After the Hype: Resilience Seeking in Emerging Technology Ecosystems
Journal of Product Innovation Management, EarlyView.ABSTRACT Academic Summary Hype often helps emerging technology ecosystems gain early support for their innovative value propositions, but the initial excitement around the technology typically vanishes at some point. This decrease in excitement and support may lead some ecosystems to fail while others are resilient and recover.
Fiona Schweitzer +2 more
wiley +1 more source
, 2017 Glasses with composition of 70TeO2-20ZnO-10Na2O-0.5Er2O3-(x) Au where x=0.0, 0.1, 0.3 and 0.4 mol% are synthesized via melt-quenching technique. Optical characterization is performed using UV-Vis spectroscopy. Ten absorption peaks are evidenced at 379 nm,
Husna Zayadi
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, 2022 BACKGROUND: Challenges around the design and investigation of cell culture models of adamantinomatous craniopharyngioma (ACP) have arisen from the cellular heterogeneity of these tumors, with populations that harbor disparate requirements in culture ...
Johnston, James +19 more
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Soil and Water Research, 2019 Rainfall erosivity is the main factor of the USLE or RUSLE equations. Its accuracy depends on recording precision and its temporal resolution, number of stations and their spatial distribution, length of recorded period, recorded period, erosion rainfall
Jiří Brychta, Miloslav Janeček
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Journal of Product Innovation Management, EarlyView.ABSTRACT Responsible innovation (RI) challenges profit‐driven firms to reconcile market pressures with societal and environmental responsibilities. We ask how firms integrate anticipation, reflexivity, inclusion, and responsiveness (ARIR) into responsible innovation management (RIM), and how national context and cultural dimensions shape the degree and
Shashi Matta +5 more
wiley +1 more source
, 2004 Three strains of the marine, gliding, pigmented, facultatively anaerobic, heterotrophic, Gram-negative bacteria were isolated from the green algae Acrosiphonia sonderi (K?tz) Kornm and Ulva fenestrata Ruprecht inhabiting the Sea of Japan.
N V Zhukova +9 more
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