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Enhancement of Air-Entrained Grout-Enriched Vibrated Cemented Sand, Gravel and Rock (GECSGR) for Improving Frost and Thawing Resistance in CSGR Dams.
Materials (Basel)
January 2025
School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China.
Cemented Sand, Gravel, and Rock (CSGR) dams have traditionally used either Conventional Vibrated Concrete (CVC) or Grout-Enriched Roller Compacted Concrete (GERCC) for protective and seepage control layers in low- to medium-height dams. However, these methods are complex, prone to interference, and uneconomical due to significant differences in the expansion coefficient, elastic modulus, and hydration heat parameters among CSGR, CVC, and GERCC. This complexity complicates quality control during construction, leading to the development of Grout-Enriched Vibrated Cemented Sand, Gravel, and Rock (GECSGR) as an alternative.
View Article and Find Full Text PDFPreclinical pharmacokinetics, absolute bioavailability and dose proportionality evaluation of bioactive phytochemical Withanone in rats.
Bioorg Chem
January 2025
Pharmaceutics & Pharmacokinetics Division, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India; Institute of Cancer Therapeutics, School of Pharmacy and Medical Sciences, Faculty of Life Sciences, University of Bradford, Bradford BD7 1DP, United Kingdom. Electronic address:
Withanone (WN), a bioactive phytochemical isolated from the medicinal herb Withania somnifera, has shown multiple pharmacological and therapeutic successes, including neuroprotective and anti-cancer activities. However, detailed pharmacokinetic (PK) properties of pure WN were not well defined. Pharmacokinetic (PK) characteristics, dose proportionality, and absolute bioavailability of pure WN were explored in rats using an efficient, reliable, and sensitive LC-MS/MS assay to address this gap.
View Article and Find Full Text PDFAssessing the efficiency of pixel-based and object-based image classification using deep learning in an agricultural Mediterranean plain.
Environ Monit Assess
January 2025
Department of Landscape Architecture, Remote Sensing and GIS Laboratory, University of Cukurova, Adana, 01330, Turkey.
Recent advancements in satellite technology have greatly expanded data acquisition capabilities, making satellite imagery more accessible. Despite these strides, unlocking the full potential of satellite images necessitates efficient interpretation. Image classification, a widely adopted for extracting valuable information, has seen a surge in the application of deep learning methodologies due to their effectiveness.
View Article and Find Full Text PDFRevolutionizing Dual-Band Modulation and Superior Cycling Stability in GDQDs-Doped WO Electrochromic Films for Advanced Smart Window Applications.
Small
January 2025
State Key Laboratory of Electronic Thin Films and Integrated Devices, National Engineering Research Center of Electromagnetic Radiation Control Materials, School of Integrated Circuit Science and Engineering, University of Electronic Science and Technology of China, Chengdu, 610054, P. R. China.
Dual-band tungsten oxide (WO) electrochromic films are extensively investigated, yet challenges persist regarding complex fabrication processes and limited cyclic stability. In this paper, a novel approach to prepare graphdiyne quantum dots (GDQDs) doped WO films with a hexagonal crystal structure, is presented. Structural characterization reveals that the GDQDs/WO possesses a coral-like, loose structure with high crystallinity due to the synergistic modulation of morphology and crystallinity.
View Article and Find Full Text PDFUltrastable Imidazole-linked Porous Organic Cages for Ammonia Capture and Detection.
Angew Chem Int Ed Engl
January 2025
Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter, State Key Laboratory of Structural Chemistry, 350108, Fuzhou, CHINA.
Here, we report the facile synthesis of imidazole-linked porous organic cages (IPOCs) via an in-situ cyclization reaction protocol. Specifically, three IPOCs with [2+4] lantern-like structures and one with a [3+6] triangular prism structure were successfully prepared through condensation reactions between tetraformyl-functionalized calix[4]arene and bis(o-phenylenediamine) monomers in a single pot. Notably, these IPOCs exhibit high porosity, with Brunauer-Emmett-Teller (BET) specific surface areas reaching up to 1162 m2 g-1.
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