Showing 681 - 700 results of 4,689 for search 'more composition (method OR methods)', query time: 0.22s Refine Results
  1. 681

    Analysis of the Elemental Composition of Individual Species Sedum (Rhodiola) spp. and Orthilia secunda by I. I. Terninko, A. V. Lezina, Yu. E. Generalova, M. A. Romanova

    Published 2022-02-01
    “…Analysis of the macro- and microelement composition of the rhizomes and roots of Sedum quadrifidum, Rhodiola heterodonta in comparison with Sedum roseum and analysis of the mineral composition of the herb Orthilia secunda from three harvesting sites.Materials and methods. …”
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  2. 682
  3. 683

    Influence of Nanosilica on Mechanical Performance in Woven Carbon/Kevlar/Epoxy Hybrid Composites by Pranesh K. G., Attel Manjunath, Nagaraja K. C., Raghavendra Bhat, Prajwal D., Abhijit Bhowmik, Chander Prakash

    Published 2024-01-01
    “…According to the tested specimens, a hybrid composite including 2 wt.% of nanosilica with epoxy provides better tensile strength of 6.83%, flexural strength of 10.13%, and interlaminar shear strength of 13.54% more than a hybrid composite without nanosilica. …”
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  4. 684
  5. 685

    ANN and machine learning based predictions of MRR in AWSJ machining of CFRP composites by K. Ramesha, N. Santhosh, B. A. Praveena, Banakara Nagaraj, N. Channa Keshava Naik, Quadri Noorulhasan Naveed, Ayodele Lasisi, Anteneh Wogasso Wodajo

    Published 2025-04-01
    “…Abstract This study investigates the effectiveness of Abrasive Water Suspension Jet (AWSJ) Machining, a non-conventional erosion-based method, for machining carbon fiber-reinforced polymer (CFRP) composites. …”
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  6. 686

    Degree of pigmentation in composite veneers subjected to smoke from two types of cigarettes by Sandra Marcela Quisiguiña Guevara, Silvia Alexandra Reinoso Ortiz, Cristian Roberto Sigcho Romero, Brayan David Cruz Lara

    Published 2023-11-01
    “…Material and Methods: An observational descriptive cross-sectional in vitro study was carried out; the sample was constituted by 20 composite veneers made with Z350 XT resin, which met inclusion and exclusion criteria and were divided into two subgroups: G1 and G2, with 10 specimens each. …”
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  7. 687

    A composite improved attention convolutional network for motor imagery EEG classification by Wenzhe Liao, Zipeng Miao, Shuaibo Liang, Linyan Zhang, Chen Li

    Published 2025-02-01
    “…However, the classification accuracy of MI-EEG signals remains a key challenge for the development of BCI technology.MethodsThis paper proposes a composite improved attention convolutional network (CIACNet) for MI-EEG signals classification. …”
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  8. 688

    An Insight into Mechanical and Metallurgical Behavior of Hybrid Reinforced Aluminum Metal Matrix Composite by Demeke Abay Ashebir, Getinet Asrat Mengesha, Devendra Kumar Sinha

    Published 2022-01-01
    “…Hybrid reinforced particulate aluminum matrix composite materials (HAMCs) are a breakthrough kind of material made by combining two or more distinct reinforcing components in the aluminum (Al) matrix. …”
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  9. 689

    Proposing Optimized Random Forest Models for Predicting Compressive Strength of Geopolymer Composites by Feng Bin, Shahab Hosseini, Jie Chen, Pijush Samui, Hadi Fattahi, Danial Jahed Armaghani

    Published 2024-10-01
    “…Both hybrid models significantly outperformed traditional methods, demonstrating their higher accuracy and reliability in predicting the compressive strength of GePC. …”
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  10. 690

    Construction Experiment and Mechanical Modeling of Soil-Concrete Composite Slope Protection Technology by Li Dong, Wang Chuanming, Li Xiaojun, Guo Hongmei, Gao Zhaoliang, Lou Yongcai

    Published 2023-12-01
    “…Compared with traditional stone slopes, the “soil-concrete composite” slope protection technology could save more than 80% of the materials used in construction, and could accelerate construction speed by more than five times, with the initial construction cost being no higher than the cost of the stone slope. …”
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  11. 691

    Feeding ration of yaks of the Kyrgyz population and its influence on the biochemical composition of milk by A. N. Saalieva, A. M. Usubalieva, M. M. Musulmanova

    Published 2024-04-01
    “…Samples were collected and tested according to standard methods. Studies have shown that the milk of yaks from the Kyrgyz population contains more protein (5.66%) than milk from yaks in the mountains of China, Russia and Mongolia (4.95, 4.55 and 5.3%, respectively). …”
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  12. 692

    Study on Mechanical Characteristics of Shield Tunnels in Composite Strata Considering Segment Parameters by KANG Xiaoyue, MENG Qingjun, JIA Shao-dong, XU Fei, HE Chuan, YAO Chaofan, WANG Shimin

    Published 2025-04-01
    “…Therefore, it is necessary to study the tunnel mechanical properties considering the changes in segment structural parameters under longitudinal stratum differences. [Method] Based on a composite strata shield tunnel project of Nanning Metro Line 5, a three-dimensional longitudinal numerical model is established to calculate the mechanical response of the tunnel structure in composite strata, and to analyze the influence of segment width, longitudinal bolt strength and number of bolts on the mechanical characteristics of the tunnel. …”
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  13. 693

    Composite Based on Biomineralized Oxidized Bacterial Cellulose with Strontium Apatite for Bone Regeneration by Ana Lorena de Brito Soares, Erika Patrícia Chagas Gomes Luz, Igor Iuco Castro-Silva, Rodolpho Ramilton de Castro Monteiro, Fábia Karine Andrade, Rodrigo Silveira Vieira

    Published 2025-03-01
    “…These composites were produced through a biomimetic method using a simulated body fluid modified with strontium ions to enhance bioactivity and stabilize apatite within the biomaterial. …”
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  14. 694

    The Internationalisation of Family Firms: the Role of the Ownership Structure and the Composition of Top Management Team by Aleksandra Wąsowska

    Published 2017-03-01
    “… Objective: The objective of this paper is to investigate the determinants of family firm internationalisation, focusing on the roles of ownership (i.e. concentration of ownership, foreign ownership) and management (i.e. involvement of nonfamily managers, owner-CEO). Research Design & Methods: We test our hypothesis using linear regression models and logistic regression models, based on a sample of 6,957 family firms from seven European countries (Austria, France, Germany, Hungary, Italy, Spain, UK). …”
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  15. 695

    Contact potential difference of alloy steel after heat treatment by L. P. Aref`eva, A. G. Sukiyazov, Yu. V. Dolgachev, L. S. Shakhova

    Published 2020-10-01
    “…The chemical composition of the samples was refined through the optical emission analysis method. …”
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  16. 696

    Assessment of body composition in hemodialysis patients with DKD and hemodialysis patients with non-DKD by XU Yuan-zhao, QI Ai-rong, XU Cai, ZHOU Li, ZENG You-jia

    Published 2019-01-01
    “…Methods A total of 85 hemodialysis patients in Shenzhen Municipal TCM Hospital were selected, and divided into DKD-hemodialysis patient group(31 cases) and non-DKD hemodialysis patient group(54 cases) based on their basic kidney diseases. …”
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  17. 697
  18. 698

    Progress of highly conductive Graphene-reinforced Copper matrix composites: A review by Kun Zhou, Yilin Jia, Dongzhou Jia, Jijun Wang, Wanting Sun, Yu Wang, Xiangqing Kong, Ruixiang Zhang, Ying Fu

    Published 2024-11-01
    “…The primary focus of this review is to explore methods for enhancing the electrical conductivity of Cu/Graphene composites through different design strategies and processing techniques. …”
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  19. 699

    Improving mechanical properties of flowable dental composite resin by adding silica nanoparticles by Baloš Sebastian, Pilić Branka, Petronijević Branislava, Marković Dubravka, Mirković Siniša, Šarčev Ivan

    Published 2013-01-01
    “…Methods. A commercially available flowable dental composite resin material was mixed with 7 nm aftertreated hydrophobic fumed silica and cured by an UV lamp. …”
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  20. 700

    Numerical analysis of heat transfer in annulus composite material at different operation conditions by Amina Hmoud, Hadi Obaid Mery, Osamah Malik Mohammed

    Published 2024-12-01
    “…This study will examine the impact of the radius ratio of an annulus on heat transfer employing two distinct methods to optimizing effective thermal conductivity: minimizing and maximizing. …”
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