Results 1 to 10 of about 1,220,801 (165)
Long-term repeatability of cognitive performance
Royal Society Open Science, 2022 Measures of cognitive performance, derived from psychometric tasks, have yielded important insights into the factors governing cognitive variation. However, concerns remain over the robustness of these measures, which may be susceptible to non-cognitive ...
Benjamin J. Ashton +3 more
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Case Studies in Construction Materials, 2023 Concrete constructions used in harsh marine environments are commonly destroyed by sulfate ions. In this paper, by modeling aggregates as random convex polygons, to analyze and forecast the deteriorating condition of concrete under salt attack, a finite ...
Tian Wu +6 more
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Frontiers in Materials, 2023 In recent years, the ultra-high performance concrete (UHPC) has been increasingly used to strengthen orthotropic steel decks (OSD) to solve the cracking problems at fatigue-prone details and pavement damage.
Ming Deng, Ming Deng, Ju Yi, Ju Yi
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Frontiers in Earth Science, 2023 On the basis of the highway subgrade construction of North Hobson Salt Lake mining area in Qinghai Province, the soil samples of high saline saturated sand adjacent to the salt lake were remolded, and four types of saturated sand containing 0%, 10%, 20%,
Lei Zhang +7 more
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The Long-Term Performance of IPOs, Revisited [PDF]
SSRN Electronic Journal, 2017 We show that, contrary to post-issue horizons of three to five years, underperformance in the first year after going public cannot be explained by the Carhart (1997) model or extensions of the model proposed in prior research on long-term IPO performance.
Hoechle, Daniel +2 more
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Enhancement of compaction grouting on a compaction-grouted soil nail in sand
Yantu gongcheng xuebao, 2021 The compaction grouting is an important factor in enhancing the performance of the newly developed compaction-grouted soil nail. Based on the self-developed large-scale model system, two series of pull-out tests with and without compaction grouting are ...
YE Xin-yu 1, PENG Rui 1, MA Xin-yan 1, 2, 3, ZHANG Sheng 1, WANG Shan-yong 4
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Classification of Plank Techniques Using Wearable Sensors
Sensors, 2022 The plank is a common core-stability exercise. Developing a wearable inertial sensor system for distinguishing between acceptable and aberrant plank techniques and detecting specific deviations from acceptable plank techniques can enhance performance and
Zong-Rong Chen +4 more
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Characterization, factors, and fractal dimension of pore structure of fly ash-based geopolymers
Journal of Materials Research and Technology, 2023 Fly ash-based geopolymer is a new cementitious material with environmentally friendly characteristics. Generally, the mechanical properties of cementitious materials are influenced by their pore structure.
Yiwei Yang +4 more
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Nurses’ Performance Regarding Care of Patients with Long Term Epidural Catheter [PDF]
Egyptian Journal of Health Care, 2023 Background: Epidural catheter insertion is common technique used to manage acute and chronic pain for patients with cancer and after major surgery and is viewed as the ‘gold standard for effective mangment.
Ahmed Ali Mahmoud +2 more
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Long-term performance of Passive House buildings [PDF]
Energy Efficiency, 2020 Long term experience with Passive House buildings is illustrated with two early large scale projects, a school and an office building located in Germany. Those were monitored in lump energy performance (school, commissioned 2004) and great detail (office, commissioned 2002) respectively.
Wolfgang Hasper +5 more
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