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241
Studies on characterization of composite materials components for part production in agricultural industry
Published 2017-10-01“…The mechanical properties of a composite material made in the form of a stack of fiberglass layers and a binder, dampening polyester, were considered. …”
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242
Biosolid and sugarcane filter cake in the composition of organomineral fertilizer on soybean responses
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243
THE INFLUENCE OF THE FILLER GRAIN COMPOSITION ON THE PROPERTIES OF THE HEAT-RESISTANT BASALTIC CONCRETE
Published 2017-12-01“…Taking this into account, the aim of the study is to determine the optimal grain composition of heat-resistant concrete.Methods. Methods for optimising the properties of heatresistant basaltic concrete with a composite binder and mechanochemical activation of the filler grains were used during the course of the research.A simplex-centroid experiment design is applied for this purpose. …”
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244
Hygroscopic expansion of bulk fill composites: A three-month report
Published 2018-04-01“…Objective: The aim of this study was to evaluate the hygroscopic expansion of bulk-fill composite. Material and Methods: Fifteen disks (5 in each group) with different thickness(4mm/2mm) of Tetric N-Ceram Bulk Fill composite(TB) and Tetric N-Ceram composite(TN) were made according to the manufacturer’s instruction and stored in deionized water. …”
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245
Compositional and Machine Learning Tools to Model Plant Nutrition: Overview and Perspectives
Published 2025-02-01“…Using a Brazilian onion (<i>Allium cepa</i>) database, the combined CoDa and ML methods returned crop response patterns, allowing feature-specific fertilizer recommendations to be made. …”
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246
Development of Technology and Composition of the Medicinal Product for Oral Cavity Based on Phytosubstances
Published 2021-12-01“…The aim of the present study is to develop the composition and technology of effervescent granules for the preparation of a solution for rinsing the oral cavity based on phytosubstances.Materials and methods. …”
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247
Ductility, bending and wrapping ability relationship in wires made of electromagnetically cast ultrafine grained Al–0.5Fe and Al–0.5Fe–0.3Cu alloys
Published 2025-06-01“…In this study alloys with two different chemical compositions (Al–0.5 wt. % Fe and Al–0.5 wt. % Fe–0.3 wt. % Cu) and two different casting methods (casting into electromagnetic mold and continuous casting and rolling) were used. …”
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248
THE INDEX METHOD IN THE ANALYSIS OF WAGES
Published 2018-06-01“…The inclusion of factors is made depending on analytical purposes and the availability of statistical data. …”
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249
LABORATORY STUDY OF STRENGTH CHARACTERISTICS GLASS-FIBER REINFORCED LIGHT-CURED COMPOSITE
Published 2019-03-01“…Destruction of samples of the second group occurred at a significant load that greatly exceeded that which occured in clinical conditions and at a distance from the retention elements, created according to the proposed design, due to insufficient physical and mechanical parameters of the light-cured composite and reinforcing fiberglass elements. The use of the proposed preparation option will reduce the risk of failure of the fixation and improve the prognosis for the long-term exploitation of resin-bonded bridges made by direct method. …”
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250
Abrasive processing mechanization of parts from polymeric composite materials for paste operation
Published 2018-07-01“…The research objective is to reduce the processing time through displacement of human labour by mechanized work, as well as to improve the treated surface quality. Materials and Methods. The method of surface preparation of parts made of polymeric composite materials (PCM) is used for gluing through the mechanical abrasive treatment with a flexible grinding tool. …”
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251
STUDY OF THE EFFECT OF COMPLEX-COMPOSITE STRUCTURES ON THE THERMAL CHARACTERISTICS OF THE POLYMER ADDITIVE MATERIALS
Published 2019-06-01“…A computer simulation of elementary cells of a composite material consisting of a polymer matrix, carbon fiber and special core inclusions with high thermal conductivity was performed, which made it possible to further increase thermal conductivity depending on the relative fiber diameter and the percentage of the additional component in an amount from 46 to 75%. …”
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252
FEATURES OF MACROHETEROGENEOUS COMPOSITE MATERIALS SYNTHESIS WITH THE HELP OF INDUCTION MELTING, THEIR STRUCTURE AND PROPERTIES
Published 2016-01-01“…Currently in practical use is made of composite materials with a matrix based on copper alloys. …”
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253
Free Vibration and Damping of Rotating Composite Shaft with a Constrained Layer Damping
Published 2016-01-01“…The free vibration and damping characteristics of rotating shaft with passive constrained layer damping (CLD) are studied. The shaft is made of fiber reinforced composite materials. A composite beam theory taking into account transverse shear deformation is employed to model the composite shaft and constraining layer. …”
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254
Estimation of equivalent stresses and equivalents of the fatigue test programs of airframe composite elements
Published 2020-04-01“…It is known that for metal components of aircraft structures, "equivalent stress" is one of the most important parameters used to assess the fatigue damage resistance of a structural element for a given program of its fatigue tests. The method and the procedure for estimating the values of this parameter for metal elements of aircraft structures are presented It is noted that for aircraft structural elements made of polymer composite materials, neither the concept of the "equivalent stress" parameter nor the methods for calculating estimates of the values of this parameter are currently defined in domestic and foreign studies of the fatigue strength of such elements. …”
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255
Compatibility of Carbon Composite Biomaterials for Repairing Bone Tissue Injury in Wushu Training
Published 2020-01-01“…In this paper, two kinds of carbon composite biomaterials, calcium carbonate composite and graphene composite, were synthesized by electrochemical method and photocatalytic reduction method. …”
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256
Weakening Detection of Composite Structure Adhesive Layer Based on Nonlinear Guided Waves
Published 2025-02-01“…In this study, a detection method utilizing nonlinear ultrasonic guided waves is presented to tackle the difficulties in detecting localized damage and weakening in bonded composite structures. …”
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257
Triacylglycerol Composition of Seed Oil from <i>Corema album</i> Berries
Published 2025-02-01“…This study aimed to determine the oil contents in seeds and characterize their triacylglycerol contents through a comparative analysis using three extraction solvent systems: hexane (Soxhlet method), hexane–isopropanol (Hara–Radin method), and methanol–chloroform–water (Bligh–Dyer method). …”
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258
Evaluation of Mechanical Properties of Al -7005/Red Mud and Phosphogypsum Hybrid Composites
Published 2025-08-01“…Additionally, a modest attempt has been made in the present work to create aluminum-based metal matrix composites (MMCs) with a reinforcing material to develop a traditional, low-cost technique for creating MMCs and achieving uniform dispersion of the reinforced material. …”
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259
Experimental Study of Buckling of Reinforced Conical Composite Shell Under Hydrostatic Loading
Published 2022-11-01“…To achieve this goal truncated composite cone samples, longitudinal and circular reinforcements are made of woven glass fiber with epoxy resin. …”
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260
Dynamic Properties of Concrete Composite Panels under Eccentric Compression Loading Tests
Published 2015-04-01“…Second, a ‘hybrid’ model, based on the concepts of modal analysis and the Finite Element Method, was developed in order to obtain the natural frequencies and corresponding normal modes of the composite panels within the frequency range 0–200 Hz. …”
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