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99321
Ball-milled synthesis of biochar-MOF nanocomposite for the concurrent recovery of mixed contaminants from wastewater
Published 2025-01-01“…SEM-EDS confirmed the successful synthesis, while X-ray diffraction (XRD) and thermogravimetric analysis (TGA) indicated an amorphous structure with thermal stability up to 300 °C. FTIR and XPS analyses identified functional groups such as C=C, C-H, –COOH, C=O, –OH, C-O, and Fe-BTC. …”
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99322
Alcoxotechnology for obtaining heat-resistant materials based on rhenium and ruthenium
Published 2021-01-01“…The isoproxide complex of rhenium–ruthenium Re4-yRuyO6(OPri)10 was obtained, and its composition and structure were established. Previously conducted quantum chemical calculations on the possibility of replacing rhenium atoms with ruthenium atoms in the isopropylate complex were experimentally proven, and the influence of the electroconductive additive on the composition of the obtained alloy was revealed.Conclusions. …”
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99323
Impact of process parameter on the behaviors of microstructure of pyrocarbon deposited in chemical vapour infiltration process
Published 2025-08-01“…The influence of temperature, pressure, methane gas flow rate, and nitrogen gas flow rate on the texture and graphitic structure of PyC was evaluated. Additionally, the impact of the graphitization process on the microstructure of PyC was evaluated. …”
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99324
Performance of ultrasonic – Treated nano-zeolites employed in the preparation of dimethyl ether
Published 2013-06-01“…FTIR-spectroscopic analysis indicated that sonication may decrease the pore opening and cause framework structure defects. TEM and SEM micrographs showed that sonication broke-up and re-ordered zeolite crystals with longer time resulted in a different morphology relative to parents and also change the particle size. …”
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99325
Complete Mitochondrial Genome Characterization and Phylogenomics of the Stingless Bee, <i>Heterotrigona itama</i> (Apidae: Meliponini)
Published 2025-05-01“…In this study, we sequenced and characterized the complete mitochondrial genome (mitogenome) of <i>H. itama</i> to explore its genome structure and phylogenetic position. The circular mitogenome is 15,318 bp in length and consists of 13 protein-coding genes (PCGs), 22 transfer RNA (tRNA) genes, and 2 ribosomal RNA (rRNA) genes. …”
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99326
XRISM Constrains Atmospheric Motion and Turbulent Dissipation in the Archetypal Radio-mode Feedback System Hydra-A
Published 2025-01-01“…We examine the effects of its high jet power on the velocity structure of the cluster’s hot atmosphere. Hydra-A’s central radio jets have inflated X-ray cavities with energies upward of 10 ^61 erg. …”
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99327
Improved colorization and classification of intracranial tumor expanse in MRI images via hybrid scheme of Pix2Pix-cGANs and NASNet-large
Published 2022-07-01“…In qualitative measures, we achieved the Structure Similarity Index (SSIM) average score of 0.92% and an average 28% Peak Signal to Noise Ratio (PSNR) value on generated images that outperform the existing techniques. …”
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99328
Comprehensive approach to the choice of therapy in patients with osteoarthritis at the first visit to the doctor. Expert consensus (literature review and resolution)
Published 2021-06-01“…The article discusses: current clinical guidelines for the management of patients with OA; most common problems in the management of patients with OA in real clinical practice; goals of treatment strategies for OA taking into account the risk factors for its progression; an algorithm of pain relief during initial treatment in patients with OA; prevention of OA exacerbations with the use of basic structure-modifying drugs; recommendations for the choice of non-steroidal anti-inflammatory drugs.According to experts, a rational approach to the treatment of OA is based on the combined use of non-drug and pharmacological methods with constant monitoring of therapy regimens and side effects. …”
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99329
Fostering Critical Thinking through Socio-Scientific Issue-Based Problem-Based Learning in Stoichiometry Instruction
Published 2025-06-01“…The research employed a quasi-experimental design with a non-randomized pretest–posttest control group structure. Participants consisted of two grade X classes from SMAN 1 Sipirok, with one class assigned as the experimental group receiving SSI-based PBL instruction and the other as the control group receiving conventional teaching. …”
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99330
A bibliometric review on in silico drug repurposing: Performance analysis, science mapping and text mining (2000–2023)
Published 2025-05-01“…This bibliometric study aims to show the conceptual and intellectual structure of the progress made in this field using computational or in silico techniques. …”
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99331
Enhancing the light yield of He:CF $$_4$$ 4 based gaseous detector
Published 2024-10-01“…In this paper, we simulate the effect of the addition of a strong electric field below the last GEM plane on the GEM field structure and we experimentally test it by means of a 10 $$\times $$ × 10 cm $$^2$$ 2 readout area prototype. …”
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99332
To the 80th Anniversary of Gramicidin C Сreation: From the Study of the Asymmetry of Bacterial Molecules to the Discovery of Antimicrobial Peptides
Published 2022-08-01“…For this reason, it is appropriate to recall that the study of the molecular structure of gramicidin C gave impetus not only to the discovery of a whole family of cyclic peptide antibiotics, but also to the discovery of the ability of various organisms to nonribosomal synthesis of biologically active peptides containing D-amino acids with a pronounced antimicrobial effect. …”
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99333
Insight into the high-temperature tribological mechanism of VAlTiCrW high entropy alloy film: AlV3O9 from tribochemistry
Published 2022-09-01“…In this work, VAlTiCrW high-entropy alloy film with body-centered cubic (BCC) structure was prepared on superalloy substrate by magnetron sputtering. …”
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99334
Machine Learning Method Application to Detect Predisposing Factors to Open-Pit Landslides: The Sijiaying Iron Mine Case Study
Published 2025-03-01“…The primary sliding factors at Sijiaying mine include distance from rivers, slope height, profile curvature, rock structure, and distance from faults. Safety thresholds for each factor are determined. …”
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99335
Impacts of Captive Domestication and Geographical Divergence on the Gut Microbiome of Endangered Forest Musk Deer
Published 2025-07-01“…This study utilized comparative metagenomic sequencing to assess intestinal microbiota structure and functional profiles between wild populations in Chongqing and Hunan and captive individuals. …”
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99336
Magnetic Fluid‐Driven Vine Robots for Minimally Invasive Tissue Biopsy Sampling
Published 2025-08-01“…Unlike previous designs, the robot's high magnetic volume ensures precise control even under pressure, while maintaining a fully soft structure. This allows for controlled needle movements during biopsies. …”
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99337
MEZOPROTEROZOIC BASITE MAGMATISM OF THE BASHKIRIAN MEGANTICLINORIUM (SOUTHERN URALS): AGE CONSTRAINTS, PETROLOGICAL AND GEOCHEMICAL FEATURES
Published 2020-06-01“…It gives the first description of the regional geochemical zoning that is reflected in a decrease in SiO2 contents from the north to the south along the Bashkirian meganticlinorium, and an increase in MgO contents in the same direction, which is attributed by the authors to an increase in the permeability of the crust to the south during opening of the Mashak riftogenic structure.New data on isotopic ages were obtained for the dyke that cuts the Satka formation of the Lower Riphean – 1318±10 (40Ar/39Ar), the intrusion in the exocontact zone of the Berdyaush rapakivi granite massif – 1349±11 Ma (U-Pb), and the andesite dyke among the metamorphic rocks of the Taratash complex – 1365.6±6.6 Ma (U-Pb). …”
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99338
Liquid Crystal Ordering in Densely Packed Colloidal Suspensions of Highly Anisotropic Monolayer Nanosheets
Published 2024-11-01“…The internal liquid crystal structure of the tactoids remains nematic even under conditions that would usually favor ordering into lamellar smectics. …”
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99339
Laboratory Performance of Asphalt Concrete containing Foamed Bitumen from extraction of Buton Natural Asphalt
Published 2024-12-01“…The enhanced performance of foamed Asbuton is attributed to its dense structure and the benefits of the foaming process, which improves aggregate coating and binder distribution at lower mixing temperatures. …”
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99340
Effects of Temperature and Water on Mechanical Properties, Energy Dissipation, and Microstructure of Argillaceous Sandstone under Static and Dynamic Loads
Published 2020-01-01“…After 100∼1000°C heat treatment, the granular crystals of the clastic structure gradually became larger, and both the number and average size of the original pores decreased, resulting in the deterioration of mechanical properties of argillaceous sandstone specimen.…”
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