Search Results - Jun Wan
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Is It Blocked or Dredged? Analysis of the Inhibitory Effect of Patent Assets and R&D Stock on the Market Value Impact of Patent Thickets in Chinese High-Tech Enterprises
Published 2025-07-01Get full textWith the growing complexity of innovation, numerous patentees with patents needed for corporate innovation can act as a forest of thorns for companies, often referred to as “Patent Thickets.” These thickets increase the patenting transaction costs and depreciate the company’s market value. However,...
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Study on the mechanical properties of lithium slag recycled fine aggregate concrete.
Published 2025-01-01Get full textTo promote the sustainable utilization of industrial solid wastes in concrete applications, this study systematically investigates the combined use of lithium slag (LS) as a cement replacement and recycled fine aggregates (RFA) as a substitute for river sand (RS). Through experimental analysis with...
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Point‐of‐Care Ultrasonography Detects Vanishing Air Embolism Following Central Venous Catheter Removal in a Patient With Chest Tube Drainage: A Case Report
Published 2025-07-01Get full textABSTRACT Air embolism from central venous access removal may be fatal, even when removed in the supine position. This case demonstrates that a high index of suspicion combined with point‐of‐care ultrasonography is vital for the rapid diagnosis and management of this condition.
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Dry Sliding Wear Properties and Microstructure of 7075 Aluminum Alloy via Plasma Electrolytic Oxidation
Published 2021-01-01Get full textIn this paper, 7075 aluminum alloy were treated in silicate-borate based electrolyte via plasma electrolytic oxidation(PEO), employing a pulsed constant voltage power mode to improve the surface quality and surface properties of 7075 aluminum alloy.The effects of electrical parameter(duty cycle)on m...
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MicroRNA-200c plays an oncogenic role in nasopharyngeal carcinoma by targeting PTEN
Published 2017-04-01Get full textRecent studies suggested that microRNA-200 family microRNAs play critical roles in cancer initiation and metastasis. The underlying mechanism remained elusive. In this study, we show that microRNA-200c is upregulated in nasopharyngeal carcinoma cells. Manipulation of microRNA-200c levels affected ce...
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Prehospital blood pressure lowering in patients with ultra-acute presumed stroke: A systematic review and meta-analysis.
Published 2025-01-01Get full text<h4>Objective</h4>High blood pressure frequently occurs in the setting of acute stroke and is associated with worse prognoses. However, it is still uncertain whether initiating blood pressure-lowering therapy in the prehospital phase after stroke onset can enhance outcomes for patients w...
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Cytoplasmic and nuclear NFATc3 cooperatively contributes to vascular smooth muscle cell dysfunction and drives aortic aneurysm and dissection
Published 2025-07-01Get full textThis study investigated the role of the nuclear factor of activated T cells c3 (NFATc3) in vascular smooth muscle cells (VSMCs) during aortic aneurysm and dissection (AAD) progression and the underlying molecular mechanisms. Cytoplasmic and nuclear NFATc3 levels were elevated in human and mouse AAD....
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