Showing 10,641 - 10,660 results of 11,190 for search '"temperature"', query time: 0.07s Refine Results
  1. 10641

    Visualizing stepwise evolution of carbon hybridization from sp 3 to sp 2 and to sp by Wei Xiong, Guang Zhang, De-Liang Bao, Jianchen Lu, Lei Gao, Yusen Li, Hui Zhang, Zilin Ruan, Zhenliang Hao, Hong-Jun Gao, Long Chen, Jinming Cai

    Published 2025-01-01
    “…Utilizing scanning probing microscopy, we distinguish three distinct carbon-carbon bond types within polymers induced by annealing at elevated temperatures. Density-functional-theory calculations unveil the pivotal role of the electron-withdrawing cyano group in activating neighboring methylene to form C(sp 3 )–C(sp 3 ) bonds, and in facilitating subsequent stepwise HCN eliminations to realize the transformation across three carbon-carbon bond types. …”
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  2. 10642

    Study on the constitutive model and thermal deformation behavior of Incoloy825/P110 bimetallic composite material by Hao Liu, Qiang Li, Hailian Gui, Chen Zhang, Sha Li, Leifeng Tuo, Jianxun Chen, Pengyue Zhang, Chunlei Shen

    Published 2025-01-01
    “…The thermal deformation and dynamic recrystallization (DRX) behavior of Incoloy825/P110 bimetallic composite materials were studied through hot compression tests at deformation temperatures (850–1150 °C) and strain rates (0.01–10 s−1). …”
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  3. 10643

    Assessment of Freeze-Thaw in Romania by Arion Cristian, Vacareanu Radu, Aldea Alexandru, Arion Andrei, Pavel Florin

    Published 2025-01-01
    “…A Romanian freeze-thaw cycle (FTC) map is essential due to recent climate studies showing an increase in both global and local surface temperatures, with the past thirty years seeing the most notable warming.…”
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  4. 10644

    Discoloration Effects of High-Dose γ-Irradiation and Long-Term Thermal Aging of (U)HMW-PE by Anja Kömmling, Emmanouil Chatzigiannakis, Jörg Beckmann, Volker Wachtendorf, Kerstin von der Ehe, Ulrike Braun, Matthias Jaunich, Ulrich Schade, Dietmar Wolff

    Published 2017-01-01
    “…Therefore, the yellowing is assumed to originate from annealable color centers in the form of free radicals that are trapped in the crystalline regions of the polymer and recombine at elevated temperatures. For the antioxidant-containing HMW-PE, yellowing was observed after both irradiation and thermal aging. …”
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  5. 10645

    Synthesis and Characterization of Pd/La<sub>2</sub>O<sub>3</sub>/ZnO Catalyst for Complete Oxidation of Methane, Propane and Butane by Ralitsa Velinova, Nina Kaneva, Georgi Ivanov, Daniela Kovacheva, Ivanka Spassova, Silviya Todorova, Genoveva Atanasova, Anton Naydenov

    Published 2025-01-01
    “…The catalytic tests showed that the reaction of the complete oxidation of butane on Pd/La<sub>2</sub>O<sub>3</sub>/ZnO proceeded at the lowest temperatures.…”
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  6. 10646

    Structural, Physicochemical, and Functional Properties of Electrolyzed Cassava Starch by Khanh Son Trinh, Thanh Binh Dang

    Published 2019-01-01
    “…The increase of NaCl content related to the increase of retrogradation of treated starches. At various temperatures (30-95°C), swelling factor and clarity reflected negative and positive correlations to NaCl concentration.…”
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  7. 10647

    Climate change and its environmental and health effects from 2015 to 2022: A scoping review by Sarah S. Abdul-Nabi, Victoria Al Karaki, Aline Khalil, Tharwat El Zahran

    Published 2025-02-01
    “…Substantial evidence now demonstrates that escalating global temperatures and rising sea levels might exacerbate release of chemical pollutants into the environment which amplifies their toxicity. …”
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  8. 10648

    Experimental and thermodynamic description of ternary Bi-Cu-Ga system by Minić D., Du Y., Premović M., Manasijević D., Talijan N., Milisavljević D., Marković A., Đorđević A., Tomović M.

    Published 2017-01-01
    “…Thirteen annealed alloys at 200°C were investigated by using scanning electron microscopy (SEM) with energy dispersive spectrometry (EDS), and X-ray powder diffraction (XRD) methods. Temperatures of phase transformation were determined with 14 alloys which are lying along three vertical sections Bi-Cu0.5Ga0.5, Cu-Bi0.5Ga0.5 and Ga-Bi0.5Cu0.5 by using differential thermal analysis (DTA). …”
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  9. 10649

    Abiotic Stress Tolerance and Invasive Potential of Ornamental Plants in the Mediterranean Area: Implications for Sustainable Landscaping by Diana-Maria Mircea, Monica Boscaiu, Radu E. Sestras, Adriana F. Sestras, Oscar Vicente

    Published 2024-12-01
    “…The present review examines the responses of ornamental plants’ grown in the Mediterranean region to relevant abiotic stress conditions such as drought, salinity, extreme temperatures, heavy metal toxicity, and atmospheric N deposition, emphasising physiological and biochemical responses that allow them to adapt to unfavourable environments. …”
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  10. 10650

    Investigating interactions of alpha-hydroxy acids with sodium benzoate for advanced formulation and translational applications: An ultrasonic approach by Ashpinder Kaur Gill, Nabaparna Chakraborty, K.C. Juglan

    Published 2025-06-01
    “…This study investigated the density and sound speed of ternary liquid systems (sodium benzoate + water +lactic acid/malic acid), using Anton Paar 5000 M at varying temperatures. Numerous volumetric and acoustical properties, including apparent molar volume, apparent specific volume, partial molar volume, transfer properties, apparent and partial molar isentropic compression, and thermal expansion coefficient were attained with the densities and sound speeds data. …”
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  11. 10651

    Gas-Purged Headspace Liquid Phase Microextraction System for Determination of Volatile and Semivolatile Analytes by Meihua Zhang, Jinhu Bi, Cui Yang, Donghao Li, Xiangfan Piao

    Published 2012-01-01
    “…In this system, semiconductor condenser and heater, whose refrigerating and heating temperatures were controlled by microcontroller, were designed to cool the extraction solvent and to heat the sample, respectively. …”
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  12. 10652

    Qualitative Performance and Consumer Acceptability of Starch Films for the Blueberry Modified Atmosphere Packaging Storage by Giuggioli Nicole R., Girgenti Vincenzo, Peano Cristiana

    Published 2017-06-01
    “…In this work, we evaluated the qualitative performance and the consumer acceptability of three starch films for the blueberry modified atmosphere packaging (MAP) storage under fluctuating temperatures. Fruits cv. Duke were monitored for up to 18 days (15 days at 1±1°C and 3 days at 20±1°C). …”
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  13. 10653

    Universal relations and bounds for fluctuations in quasistatic small heat engines by Kosuke Ito, Guo-Hua Xu, Chao Jiang, Édgar Roldán, Raúl A. Rica-Alarcón, Ignacio A. Martínez, Gentaro Watanabe

    Published 2025-02-01
    “…Our results show that, in the quasistatic limit, higher-order statistics of a small engine’s energetics depend solely on the ratio between the temperatures of the thermal baths. We further prove that our result for the second moment gives universal bounds for the ratio between the variances of work and heat for quasistatic cycles. …”
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  14. 10654

    Preparation of PAN Spinning Solution with Fine Dispersion of Cellulose Microparticles by Jee-Woo Yang, Jong Sung Won, Da Young Jin, Ji Eun Lee, Won Ho Park, Seung Goo Lee

    Published 2015-01-01
    “…Minimization of the cellulose particle size was subjected to heat treatment at various temperatures in order to reduce the cohesive force from the hydrogen bonds between the cellulose molecules. …”
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  15. 10655

    A Novel Approach to Design Chitosan-Polyester Materials for Biomedical Applications by Tatiana A. Akopova, Tatiana S. Demina, Alexander N. Shchegolikhin, Tikhon S. Kurkin, Christian Grandfils, Nikolay S. Perov, Alexander S. Kechekyan, Alexander N. Zelenetskii

    Published 2012-01-01
    “…The marked departure of this approach from previous practice resides on exploitation of a variety of chemical transformations of the solid polymers that become feasible under conditions of plastic flow. Low temperatures (above Tg but below the melting points of the crystalline polymers) are maintained throughout the process, minimizing mechanical and oxidative degradation of the polymers. …”
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  16. 10656

    Study of Chemical Composition and Evaluation of Anti-hypertensive Effect of A Fixed Oil Extracted from Linum usitatissimum grains by Oulad Ali Halima, Mebarka, Nasser Belboukhari, Khaled Sekkoum, Khawter

    Published 2024-04-01
    “…The objective of this study is to extract the linseed oil and to characterize it chemically and physically; by pressing the seeds into two different temperatures : 67°C and 90°Coil yields ; 24% and 29% were obtained from linseed.…”
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  17. 10657

    Effect of Methomyl on Growth, Antioxidant System of GIFT (Oreochromis niloticus), and Residue in the Presence of Water Spinach (Ipomoea aquatica Forsk) by Xiaojun Jing, Yao Zheng, James P. Mulbah, Jiazhang Chen, Gangchun Xu

    Published 2022-01-01
    “…Results showed that at moderate temperatures such as 25°C to 30°C, tilapia’s feed consumption increased and body weight improved. …”
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  18. 10658

    Tat-fimbriae (“tafi”): An unusual type of haloarchaeal surface structure depending on the twin-arginine translocation pathway by Anna V. Galeva, Dahe Zhao, Alexey S. Syutkin, Marina Yu Topilina, Sergei Yu Shchyogolev, Elena Yu Pavlova, Olga M. Selivanova, Igor I. Kireev, Alexey K. Surin, Gennady L. Burygin, Jingfang Liu, Hua Xiang, Mikhail G. Pyatibratov

    Published 2025-02-01
    “…Summary: The surface structures of archaeal cells, many of which exist at high temperatures, high salinity, and non-physiological pH, are key factors for their adaptation to extreme living conditions. …”
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  19. 10659

    Production risk of organic rice due to climate change in Magelang Regency, Central Java, Indonesia by Istiyanti Eni, Widowati Indah, Al Hasan Thohari

    Published 2025-01-01
    “…The big challenge for organic rice farming is climate change in the form of high temperatures, drought, high rainfall which is difficult to predict. …”
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  20. 10660

    Film Cooling Optimization Using Numerical Computation of the Compressible Viscous Flow Equations and Simplex Algorithm by Ahmed M. Elsayed, Farouk M. Owis, M. Madbouli Abdel Rahman

    Published 2013-01-01
    “…Film cooling is vital to gas turbine blades to protect them from high temperatures and hence high thermal stresses. In the current work, optimization of film cooling parameters on a flat plate is investigated numerically. …”
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