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Modified concrete based on activated metakaolin for tunnel structures with increased performance properties
Published 2025-07-01“…A positive effect of complex modification on the properties of heavy concrete was established by reducing the content of binder (cement) and replacing it with metakaolin, pre-activated in an alkaline medium with pH = 10 with a modifier and wollastonite, which improves the strength and hydrophysical characteristics: compressive strength at the age of 28 days was 68.6 MPa compared to the control composition - 39.4 MPa; water absorption - 2.4%; water resistance grade - W14.Discussion and conclusions. …”
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1702
Rationing as a Normative Principle of Ecosystem Interaction’s Financing
Published 2024-08-01“…It is shown that the distinctive feature between the corporate and ecosystem approach is the use of rationing as additional restrictions to financial decisions based on public and private sources of financial resources available in business ecosystems. Research methods, on the one hand, are based on a key methodology — the emerging ecosystem’s theory in the part where it replaces the firm’s theory, taking into account the provisions of the credit rationing theory as an application to corporate finance, on the other hand, the conceptual provisions of the theory of constraints in relation to finance are taken into account. …”
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1703
A lightweight fabric defect detection with parallel dilated convolution and dual attention mechanism
Published 2025-08-01“…Detecting defects in fabrics is essential to quality control in the manufacturing process of textile productions. …”
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1704
Object-topological modeling of electrical networks
Published 2025-01-01“…Analysis of the topology of the structural graph of a model of a complex system becomes the basis for the analysis of its structure and state.Materials and Methods. This approach is called an object-topological. …”
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1705
Feasibility of elective neck irradiation in treating node-negative nasopharyngeal carcinoma patients: a meta-analysis
Published 2025-05-01“…This meta-analysis aimed to comprehensively investigate and compare the efficacy of selective UNI and WNI in improving survival outcomes and regional control in patients with lymph node-negative NPC.Materials and methodsA systematic search was conducted in PubMed, EMBASE, The Cochrane Library, and CNKI from inception to October 27, 2023, using a combination of Medical Subject Headings (MeSH) terms and free-text keywords related to “nasopharyngeal carcinoma,” “lymph node negative,” and “neck irradiation.” …”
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1706
Study on Operating Optimization of 660 MW Multi-stage Heating Unit Combined with Electric Boiler
Published 2022-05-01“…Based on the analysis of multi-stage heating 660MW unit combined with electric boiler, the method of calculating the most economical high back pressure for unit real-time operation was put forward. …”
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1707
Research on improving the ranging accuracy of ships with stereo vision through Kalman filter optimization.
Published 2024-01-01“…Within a distance of 20m from the ship target, the error can be controlled within 3%, showcasing the applicability of the method proposed in this paper in complex inland waterway environments contributes to the enhancement of ships' environmental perception capabilities and navigation safety, holding positive implications for the development of intelligent vessels.…”
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1708
Reduction of Ascites Susceptibility in Broiler Chickens under Cold Stress by Guanidinoacetic Acid Supplementation
Published 2025-03-01“…Therefore, the aim of this study is to investigate the effects of replacing different levels of guanidinoacetic acid with arginine on performance, carcass characteristics, susceptibility to ascites, and some blood parameters of broilers reared under cold stress conditions.Materials and Methods: A total of 200 male Ross 308 broiler chicks with an average weight of 42 ± 1.5 g were used. …”
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1709
Monitoring of CO2 Absorption Solvent in Natural Gas Process Using Fourier Transform Near-Infrared Spectrometry
Published 2020-01-01“…The analytical methods for the determination of the amine solvent properties do not provide input data for real-time process control and optimization and are labor-intensive, time-consuming, and impractical for studies of dynamic changes in a process. …”
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1710
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1711
The Evolving Role of Copyright Law in the Age of AI-Generated Works
Published 2024-12-01“…Objective: to identify the prospects and directions of copyright law development associated with the increasing use of generative artificial intelligence.Methods: the study is based on the formal-legal, comparative, historical methods, doctrinal analysis, legal forecasting and modeling.Results: the article states that the emergence of generative artificial intelligence makes one rethink the processes occurring in the field of creative activity and the traditional copyright system, which becomes inadequate to modern realities. …”
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1712
Antimicrobial effect of Sphilantes acmella on Streptococcus mutans, Staphylococcus aureus, Enterococcus faecalis and Candida albicans in oral cavity
Published 2025-01-01“…An alternative substance that can partially or completely replace existing antibacterial agents could be products derived from plants. …”
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1713
Decoding antibiotic resistance in Pseudomonas aeruginosa: Embracing innovative therapies beyond conventional antibiotics
Published 2025-03-01“…Coherently, we draw attention to the research on alternative as well as innovative methods to control P. aeruginosa infections replacing the need of traditionally available antibiotics.…”
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1714
An Overview of Techniques for Enhancing the Performance of Refrigeration Systems
Published 2025-05-01“…While the installation of new systems may be required to achieve superior environmental control and energy performance, such an approach often entails a high initial cost. …”
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1715
A Randomized Crossover Pilot Study of Telemedicine Delivered via iPads in Parkinson’s Disease
Published 2019-01-01“…We investigated the feasibility and safety of a video-based telemedicine system, delivered via a tablet, in Parkinson’s disease (PD). Methods. In a randomized, crossover, open-label pilot trial, we compared a telemedicine period (regular visits every two months with intermediate video calls via an iPad mini) with a control period (regular visits every two months), both lasting 6 months. …”
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1716
Vision-based sampling implementation in the Chang’e-6 lunar farside sample return mission
Published 2025-04-01“…A 6D pose estimation pipeline based on point cloud registration provides a robust method for sampler pose measurement, replacing the previous manual fine-tuning process and achieving better accuracy. …”
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1717
Environmental impact of waste-derived geopolymer composites: heavy metal leaching and risk assessment
Published 2025-05-01“…Leachability was assessed using the tank test method. Among the ten metals analyzed, the geopolymer composites released Ba, Cr, Mo, and Sb. …”
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1718
Spectrophotometric study determining staining tendency in different restorative materials (longitudinal in vitro study)
Published 2021-11-01“…Aim: Our aim was to measure the discolouration degrees in a packable composite, zircon, ceramic, a flowable composite, and GIC (glass isomer cement) and to determine their tendencies to discolour to provide guidance to dentists and prosthodontist for choosing proper materials for cases in which aesthetics is the main treatment goal. Materials and methods: Sixty discs were fabricated from the composite, zircon, ceramic, the flowable composite, and GIC, and natural teeth were the control group. …”
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1719
Syndrome of mutual buffering in patients with rectal fistulas in combination with diabetes mellitus
Published 2024-07-01“…To improve the results of surgical treatment, it is necessary to take into account the mutual influence of RF and DM, which can aggravate each other’s course.AIM: The study of the features of the course of RF against the background of DM and the assessment of their mutually aggravating influence.MATERIALS AND METHODS: 120 patients with RF were studied, which were divided into two groups: the main group (MG) included 60 patients with DM, the control group (CG) also included 60 patients without DM.RESULTS: In both groups, patients with transsphincteric RF dominated: 39 (65.0%) in the MG and 38 (63.3%) in the CG. …”
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1720
The standardization and efficacy of fermented Crescentia cujete (L.) in combination with enrofloxacin against artificially induced pneumonic pasteurellosis in rat models
Published 2024-12-01“…Hence, the alternative therapy to replace the effects of NSAIDs needs to be clarified. …”
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