Showing 141 - 160 results of 2,155 for search '"endotherms"', query time: 0.08s Refine Results
  1. 141

    Stability Studies of Selected Metal Ions Chelates with 2-(4-amino-1,5- dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-ylideneamino) Phenol by Gouda, Gamal A., Ali, Gomaa A. M., Elnasr, Tarek A. Seaf

    Published 2015
    “…The results indicated that, the dissociation process is non-spontaneous, endothermic and entropically unfavorable. The formation of the metal complexes has been found to be endothermic and entropically favorable…”
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  2. 142

    Development of Students’ Conceptual Understanding through STEAM Project Integration in Thermochemistry by Yuli Rahmawati, Syauqi Faizka Ramadhani, Afrizal Afrizal, Mela Puspitasari, Alin Mardiah

    Published 2021-06-01
    “…Otherwise, the concept of exothermic, endothermic, and combustion reaction, especially related to applying the concept in daily life, is still undeveloped. …”
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  3. 143

    Thermal decomposition behaviors of an amphiphilic macroinitiator DSHPG for hydrocarbon fuel by Guijin He, Shun Li, Xiaolin Zhao, Jianmeng Cen, Kaige Wang, Yongsheng Guo, Wenjun Fang

    Published 2022-06-01
    “…These macroinitiators are helpful to enhance the heat sink capability of endothermic hydrocarbon fuels to meet the great demand for thermal management when applied on a hypersonic or supersonic aircraft. …”
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  4. 144

    What Is Psychological Spin? A Thermodynamic Framework for Emotions and Social Behavior by Eva K. Deli

    Published 2023-11-01
    “…We propose that the cycle’s direction represents psychological spin, where the endothermic cycle’s energy accumulation forms up-spin, and the energy-wasting exothermic cycle represents down-spin. …”
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  5. 145

    Green synthesis of TiO2 nanoparticles prepared from Phyllanthus niruri leaf extract for dye adsorption and their isotherm and kinetic studies by Anitha Panneerselvam, Jeevanantham Velayutham, Sudha Ramasamy

    Published 2021-04-01
    “…Langmuir adsorption isotherm studies revealed endothermic monolayer adsorption of the methyl Orange dye. …”
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  6. 146

    Adsorption thermodynamics and prediction of phase equilibria for activated carbon synthesized from waste grease. by Hiba J. Ali, Ismail Kh. Al-Khateeb

    Published 2012-10-01
    “…The lever rule is used to represent a quantitative determination in the two-phase region of a phase diagram using a certain equation.The phenol adsorption was mostly an endothermic process while the p-nitrophenol adsorption was an endothermic process for all samples as indicated by positive values of the enthalpy. …”
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  7. 147

    A Phenomenological Model for Enthalpy Recovery in Polystyrene Using Dynamic Mechanical Spectra by Koh-hei Nitta, Kota Ito, Asae Ito

    Published 2023-08-01
    “…We extend the Tool–Narayanaswamy–Moynihan (TNM) model to describe the endothermic overshoot peaks through the dynamic mechanical spectra. …”
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  8. 148

    Characterization of Thermal Properties of Pig Hair Fiber by N. H. Mohan, L. Ammayappan, D. K. Sarma, S. Debnath, M. K. Tamuli

    Published 2017-07-01
    “…The DSC curve showed a broad endotherm (around 50–80°C) initially, followed by denaturation doublet peaks (229°C and 239°C) and finally a pyrolysis endotherm. …”
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  9. 149

    Adsorption of Congo Red and Methylene Blue onto Nanopore-Structured Ashitaba Waste and Walnut Shell-Based Activated Carbons: Statistical Thermodynamic Investigations, Pore Size and... by Lei Zhang, Libin Yang, Jiabin Chen, Wenjun Yin, Yalei Zhang, Xuefei Zhou, Feng Gao, Jiang Zhao

    Published 2022-10-01
    “…Statistical thermodynamic results indicated that the adsorption reactions involved in this study are entropy-increasing, endothermic, and spontaneous in nature. Furthermore, PSD and SED described the heterogeneity of these adsorbents in terms of geometry or structure and energy and illustrated that the aforementioned adsorption processes are endothermic physisorption. …”
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  10. 150

    A new reactor concept for combining oxidative coupling and steam re-forming of methane: modeling and analysis by Farsi, Ali, Shadravan, Vahid, Mansouri, Seyed Sohil, Zahedi, Gholamreza, Abdul Manan, Zainuddin

    Published 2013
    “…A new and very promising application of auto-thermal reactors is the coupling of endothermic and exothermic reactions where the product of the endothermic reaction is the desired one. …”
    Article
  11. 151

    STUDI KARAKTERISTIK PROSES GASIFIKASI BERBAGAI JENIS BIOMASSA PADA GASIFIER DOWNDRAFT by , AGUS AKTAWAN, , Ir. Agus Prasetya, M.Eng.Sc., Ph.D.

    Published 2014
    “…Biomass gasification is an endothermic reaction process for converting biomass into syngas, occurs at high temperatures with limited oxygen. …”
    Thesis
  12. 152

    Thermal analysis and lipid oxidative stability of Serbian traditional dry fermented sausage from Srem county by Ostojić Sanja, Micić Darko, Zlatanović Snežana, Kovačević Olgica, Pavlović Mirjana

    Published 2016-01-01
    “…The DSC thermogram of the sausage's meat assayed in this work, showed the characteristic endothermal transition in the low temperature range from -35°C to -10°C correspondning to water melting and in the temperature range from 90°C to 120°C correspondning to water evaporation. …”
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  13. 153

    Brazilian gutta-percha points. Part II: thermal properties Cones nacionais de guta-percha. Parte II: propriedades térmicas by Cláudio Maniglia-Ferreira, Eduardo Diogo Gurgel-Filho, João Batista Araújo Silva Jr, Regina Célia Monteiro de Paula, Judith Pessoa Andrade Feitosa, Brenda Paula Figueiredo de Almeida Gomes, Francisco José de Souza-Filho

    Published 2007-03-01
    “…This study was undertaken to explore the effect of heating on gutta-percha, analyzing the occurrence of endothermic peaks corresponding to the transformation that occurs in the crystalline structure of the polymer during thermal manipulation. …”
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  14. 154

    Subpixel Analysis of Primary and Secondary Infrared Emitters with Nighttime VIIRS Data by Christopher D. Elvidge, Mikhail Zhizhin, Feng Chi Hsu, Tamara Sparks, Tilottama Ghosh

    Published 2021-11-01
    “…Biomass burning is a coupled exothermic/endothermic system that transfers carbon in several forms to the atmosphere, ultimately leaving mineral ash. …”
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  15. 155

    STUDY THE EFFECT OF PH ,TEMPERATURE AND PHENOL ON THE ULTRAVIOLET SPECTRA FOR SUBSTUITED ORTHO,META AND PARA BENZILNYLEDENE ANILINE by KHALEEL IBRAHIM ABDULLAH

    Published 2013-08-01
    “…The thermodynamic parameters (G, H, S) were calculated in which the values of (G, H) are positive while the (S) is negative these support that the change in tautomerism shift to spontaneous and endothermic with systematic in (keto) form than (enol) form.…”
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  16. 156

    Pengaruh Penambahan Paladium Terhadap Perilaku Thermal Amalgam Tembaga Tinggi Tipe Lathe Cut by Ellyza Herda

    Published 2015-09-01
    “…X-ray diffraction studies of the amalgams revealed the elimination of the γ<sub>2</sub>-phase by Pd addition DSC thermogram of non-Pd containing amalgam indicated the existence of two γ<sub>1</sub>-phaseone with the transition temperature (endothermic peak) at 88<sup>◦</sup>C and the other at 109<sup>◦</sup>C. …”
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  17. 157

    Studies On Starch-Solutes Interaction And Annealing On The Gelatinization Of Sago (Metroxylon Sagu) Starch By Differential Scanning Calorimetry by Abd.Ghani, Maaruf

    Published 1998
    “…In excess and intermediate water contents single endothermic transitions (G) occurs and transformed into double endothermic (G and Md, respectively. …”
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    Thesis
  18. 158

    DSC study of mixtures of wheat flour and potato, sweet potato, cassava, and yam starches. by Sarker, Md. Zaidul Islam, Absar, Nurul, Kim, Sun Ju, Suzuki, Tatsuro, Karim, A. A., Yamauchi, Hiroaki, Noda, Takahiro

    Published 2008
    “…The TP1 of the control wheat flour was lower (62.6 °C) than the TP2 of the control PS (67.1 °C), SPS (77.6 °C), YS (67.2 °C), and CS (69.7 °C). In the endotherm of the mixtures, the TP1 was always closer to that of control wheat (about 62 °C). …”
    Article
  19. 159

    A novel method for obtaining high amylose starch fractions from debranched starch by Zhongchao He, Chengdeng Chi, Shuangxia Huang, Xiaoxi Li

    Published 2023-01-01
    “…The thermograms of samples displayed that multiple endothermic peaks were detected in C1 and C2 and only one endothermic peak with melting temperature over 120 °C were observed in C3 and C4, indicating their differences in retrogradation behavior. …”
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  20. 160

    Mucus-associated microbiotas among different body sites of wild tuna from the South China Sea by Ying Zou, Di Wu, Lu Wei, Juan Xiao, Pengfei Zhang, Hai Huang, Yanjie Zhang, Zhiqiang Guo

    Published 2023-01-01
    “…To understand the microbial structure of regional endothermic fish, a total of 52 samples from the skin, oral, gill, and hindgut of wild tuna Thunnus albacares and T. obesus were determined by 16S amplicon sequencing. …”
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