Showing 341 - 360 results of 14,114 for search '"chemical"', query time: 0.11s Refine Results
  1. 341

    A computational approach for prediction of viscosity of chemical compounds based on molecular structures by Sneha Das, Ram Kishore Roy, Tulshi Bezboruah

    Published 2025-01-01
    “…The research paper explores the feasibility of predicting the viscosity of a diverse chemical compound by using molecular structures at 25 °C through supervised machine learning methods. …”
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    Article
  2. 342

    A Hazardous Chemical-Oriented Monitoring and Tracking System Based on Sensor Network by Qiulin Tan, Yang Zhang, Xiaofei Zhang, Xiangdong Pei, Jijun Xiong, Chenyang Xue, Jun Liu, Wendong Zhang

    Published 2014-05-01
    “…We present a monitoring and tracking system for storage and transportation of chemicals. In accord with the standards and regulations of transport vehicles for hazardous chemicals, an overall structure-function diagram for vehicle monitoring and a pre-warning system were proposed by integrating various technologies such as computer modeling, control theory, multisensor data fusion, communication science, space positioning, and safety management science. …”
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  3. 343
  4. 344

    Monitoring of milk rennet coagulation: Chemical and physical perspective using Raman spectroscopy by Leonardo Sibono, Stefania Tronci, Martin Aage Barsøe Hedegaard, Massimiliano Errico, Massimiliano Grosso

    Published 2025-06-01
    “…Raman signals can be employed to study the physical behavior of renneting milk and to analyze the changes in chemical bonds, depending on the data pretreatment method applied, specifically in baseline correction. …”
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  5. 345
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  7. 347

    INFLUENCE OF THE CHEMICAL CONTENTS OF THE HIGH-TEST CAST-IRON ON ITS MECHANICAL CHARACTERISTICS by V. A. Izosimov, R. G. Usmanov, M. N. Kanafin

    Published 2004-05-01
    “…The results of the investigations of the chemical constitution of the high-duty cast iron on its mechanical characteristics are given.…”
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  8. 348

    The Search for the Optimal Methodology for Predicting Fluorinated Cathinone Drugs NMR Chemical Shifts by Natalina Makieieva, Teobald Kupka, Oimahmad Rahmonov

    Published 2024-12-01
    “…In the current study, cathinone and its 12 fluorinated derivatives were selected for gauge-including atomic orbital (GIAO) NMR calculations using Hartree–Fock (HF) and 28 density functionals combined with 6-311++G** basis set to find the optimal level of theory for <sup>1</sup>H, <sup>13</sup>C, and <sup>19</sup>F chemical shifts modeling. All calculations were performed in the gas phase, and solutions were modeled with a polarized-continuum model (PCM) and solvation model based on density (SMD). …”
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  9. 349

    Relationship between the Optical Properties and Chemical Composition of Urban Aerosol Particles in Lithuania by Julija Pauraite, Kristina Plauškaitė, Vadimas Dudoitis, Vidmantas Ulevicius

    Published 2018-01-01
    “…In situ investigation results of aerosol optical properties (absorption and scattering) and chemical composition at an urban background site in Lithuania (Vilnius) are presented. …”
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  10. 350

    Chemical profiling, antioxidant, and antimicrobial activities of the essential oil of Matricaria recutita (Chamomile) by Ram Prasad Baral, Rameshwar Adhikari, Achyut Adhikari

    Published 2025-01-01
    “…This research focuses on extracting essential oil through hydro-distillation, followed by Gas Chromatography-Mass Spectroscopy (GC-MS) to identify its chemical constituents and antioxidant and antimicrobial activities against bacteria and fungi responsible for common skin infections. …”
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    Article
  11. 351

    Prediction of Four Kinds of Simple Supersecondary Structures in Protein by Using Chemical Shifts by Feng Yonge

    Published 2014-01-01
    “…Moreover, our finding suggests that the combined use of different chemical shifts will influence the accuracy of prediction.…”
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    Article
  12. 352

    Experimental characterization of chemical mineral composition and morphology of titanium in carbonized slag particles by Jianxin Wang, Dong Yue, Liangying Wen, Liwen Hu, Xueming Lv

    Published 2025-01-01
    “…Based on the analysis of chemical mineral composition and particles size, it is concluded that the carbonized slag is a low-grade titanium raw material with high impurity content, uneven particle size and wide distribution range, and the only crystal phase obtained by detection is TiCxOy. …”
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  13. 353
  14. 354

    Analysis of Puerarin and Chemical Compositions Changes in Kudzu Root during Growth Period by Yiguo Zhao, Mei Xu, Zhinneg You, Dongsheng Li, Mingquan Zhou, Yupeng Zhu, Chao Wang

    Published 2014-01-01
    “…The kudzu root is one of the earliest medicinal plants listed in traditional Chinese medicine. In this paper, chemical compositions changes of kudzu roots from one year old to five years old were analyzed with respect to puerarin, acid-insoluble polysaccharides, acid-soluble polysaccharides, reducing sugar, protein, free amino acids, and lipid. …”
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  15. 355

    Chemical Modifications of Cassava Peel as Adsorbent Material for Metals Ions from Wastewater by Daniel Schwantes, Affonso Celso Gonçalves, Gustavo Ferreira Coelho, Marcelo Angelo Campagnolo, Douglas Cardoso Dragunski, César Ricardo Teixeira Tarley, Alisson Junior Miola, Eduardo Ariel Völz Leismann

    Published 2016-01-01
    “…Modified adsorbents were chemically characterized for their chemical composition and pHPZC (point of zero charge), while adsorption tests determined the best conditions of pH, adsorbent mass, and contact time between adsorbent and adsorbate in the process of removal of the metal ions. …”
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  16. 356

    Variability of the chemical composition of the wood and bark of two tropical hardwoods from Ghana by Kwaku Antwi, Francis Kofi Bih, Sylvia Adu, Joseph Appiah Yeboah

    Published 2024-05-01
    “… The study aims to investigate the chemical properties of the wood and bark of two tropical tree species Nesogordonia papaverifera and Holarrhena floribunda from Ghana to increase the efficiency of their utilization. …”
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  17. 357

    Truffle Species Discrimination Based on Their Chemical Composition, Chromaticity Coordinates and Antioxidant Capacity by Cristina Valencia-Sullca, Anja Rakotondramavo, Catherine Verret, Jean-Philippe Blondeau, Sullivan Renouard

    Published 2024-07-01
    “…To prevent these frauds, this study proposes to explore the chemical composition and antioxidant capacity to discriminate the six-truffle species encountered in France. …”
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  18. 358

    Characterization of Cobalt Sulfide Thin Films Synthesized from Acidic Chemical Baths by Tizazu Abza, Dereje Gelanu Dadi, Fekadu Gashaw Hone, Tesfaye Chebelew Meharu, Gebremeskel Tekle, Eyobe Belew Abebe, Kalid Seid Ahmed

    Published 2020-01-01
    “…Cobalt sulfide thin films were synthesized from acidic chemical baths by varying the deposition time. The powder X-ray diffraction studies indicated that there are hexagonal CoS, face-centered cubic Co3S4, and cubic Co9S8 phases of cobalt sulfide. …”
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  19. 359

    Absorption spectra of Nitrazine Yellow indicator. Experimental data and quantum chemical evaluations by Inna Khristenko, Volodymyr Ivanov

    Published 2024-06-01
    “…This article presents an experimental investigation and theoretical analysis of the electronic absorption spectra of the indicator nitrazine yellow (NY) in aqueous solutions. Quantum chemical modeling of electronically excited states is performed within the framework of time-dependent density functional theory (TD-DFT). …”
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  20. 360