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Articles by Ran Hai
Israel - Market Insights
Israel’s economy in 2025: M&A recovery, AI exits and a cautious outlook for 2026 2025 marked a turning point for Israel’s economy, with a ceasefire-driven recovery, record M&A activity and renewed global interest in Israeli technology — particularly in AI and cybersecurity. As Israel enters 2026, dealmakers face a mix of cautious optimism and geopolitical uncertainty. 2025 will perhaps be best remembered as a pivot year for Israel and the Israeli economy.
Repeated axial compressive performance of GCFST columns: Test investigation and numerical analysis - Scientific Reports
Abstract Geopolymer concrete (GC) is green and environmentally friendly. In order to comprehensively study the mechanical properties and influence mechanism of geopolymer concrete-filled steel tubular (GCFST) columns under various working conditions, this study takes the strength grade of geopolymer concrete, length-diameter ratio and wall thickness of steel tube as design parameters. Eight GCFST columns are designed and the compressive performances are conducted under repeated axial compression.
Early-Age Behaviour of Portland Cement Incorporating Ultrafine Recycled Powder: Insights into Hydration, Setting, and Chemical Shrinkage
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Molecular Dynamics Simulation of Silane Inserted CSH Nanostructure
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Investigation and Analysis of Stress and Deformation Monitoring of Long-Span Steel Roof Trusses
1. Introduction With the continuous development of the Chinese construction industry, long-span truss structures have become more widely used in recent years. In order to ensure the reliability and safety of long-span truss structures, simulation and other analysis techniques are important for understanding the stress and deformation of the structures before construction.
Investigation of the Mechanical Physical Properties of Fly Ash Modified Magnesium Phosphate Cement Repair Mortar Cured at Varying Temperatures
Open AccessArticle by Junxia Liu 1,2, Mengtian Yuan 1, Ran Hai 1,2,*, Fei Yang 1,2,*, Jingyu Zhang 1 and Anbang Li 1 1 School of Architectural Engineering, Zhongyuan University of Technology, Zhengzhou 450007, China 2 Henan Province Engineering Research Center of Green and High-Performance Cement-Based Composite Materials and Structures, Zhengzhou 450002, China * Authors to whom correspondence should be addressed.
One-point calibration laser-induced breakdown spectroscopy for the quantitative analysis of EAST-like plasma-facing materials
One-point calibration laser-induced breakdown spectroscopy for the quantitative analysis of EAST-like plasma-facing materials Xue Bai, Ran Hai, Zhonglin He, Xueyan Wang, Ding Wu, Cong Li, Huace Wu, Weina Tong, Guoliang Xu, Dandan Dong, Zhenhua Hu and Hongbin Ding Abstract Quantitative in-situ elemental analyses of the impure deposited layer on the plasma-facing components (PFCs) of magnetically confined fusion devices such as EAST are crucial and challenging.
Influence of sample temperature on the laser-induced breakdown spectroscopy of molybdenum-tungsten alloy
Influence of sample temperature on the laser-induced breakdown spectroscopy of molybdenum-tungsten alloy The analytical capabilities of laser-induced breakdown spectroscopy (LIBS) for in-situ elemental analysis of nuclear materials at elevated temperatures were estimated. A certified molybdenum-tungsten alloy (Mo 70 wt.% and W 30 wt.%) was chosen as a replacement for the high Z impurities deposited on plasma facing components (PFCs) in tokamak.
Enhanced laser-induced breakdown spectroscopy using the combination of circular and annular laser pulses
Enhanced laser-induced breakdown spectroscopy using the combination of circular and annular laser pulses Ran Hai, Liying Sun, Ding Wu, Zhonglin He, Harse Sattar, Jiamin Liu, Weina Tong, Cong Li, Chunlei Feng and Hongbin Ding Abstract We have investigated a new double pulse laser-induced breakdown spectroscopy (DP-LIBS) method using the combination of circular and annular nanosecond laser pulses.
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