Showing 141 - 160 results of 14,114 for search '"chemical"', query time: 0.09s Refine Results
  1. 141

    Chemical insight into pros and cons of coffees from different regions by Elżbieta Grządka, Agnieszka Starek-Wójcicka, Marta Krajewska, Jakub Matusiak, Jolanta Orzeł, Marek Studziński, Michał Bonczyk, Izabela Chmielewska, Aleksandra Mieczkowska, Oskar Ronda, Bartłomiej Michał Cieślik

    Published 2025-01-01
    “…Abstract The main aim of this work was to study the chemical composition of eighteen ground coffees from different countries and continents with regard to the content of hazardous substances as radioactive elements (40K, 226Ra, 228Ra, 234U, 238U and 137Cs), metals, including heavy metals, aluminum and some microelements (V, Cr, Mn, Fe, Co, Ni, Cu, Zn) as well as substances that have a positive effect on human health and well-being (polyphenols, proteins, fats and caffeine). …”
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  2. 142

    Physico-Chemical Properties And Antioxidant Activities of Rhodomytus tomentosa syrup by Widia Dara, Nurhamidah Nurhamidah

    Published 2023-09-01
    “…Determine the  physical and chemical properties on syrup Rhodomyrtus tomentosa were acidity value is 4,41, total acid is 0,003%, total dissolved solids 23,74oBrix and sugar level of syrup is 21%.  …”
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  3. 143

    Chemical Modification on Reactive Dye Adsorption Capacity of Castor Seeds by V. Dharmalingam, A. K. Ramasamy, V. Balasuramanian

    Published 2011-01-01
    “…These functional groups in castor seeds were chemically modified individually to determine their contribution to the adsorption of ionic dyes. …”
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  4. 144

    Influence of Structural and Chemical Modification of Silica on its Surface Hydration by A.A. Turova, V.M. Gun'ko, V.V. Turov, P.P. Gorbik

    Published 2007-02-01
    “…It was shown that an unusual structural type of water, which is weakly associated and unfrozen up to 180 K and possessing a proton resonance chemical shift at 1.5 ppm, appears at the patch-wise hydrophilic/hydrophobic interfaces of adsorbents placed in non-polar or weak solvents. …”
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  5. 145

    Effect of a chemically-modified-curcumin on dental resin biodegradation by Qi Dai, Hsi-Ming Lee, Austin Giordano, Fu-Pen Chiang, Stephen G. Walker, Rafael Delgado-Ruiz, Francis Johnson, Lorne M. Golub, Ying Gu

    Published 2025-01-01
    “…This study is to investigate the inhibitory effects of a novel Chemically-Modified-Curcumin (CMC 2.24) on esterase activities and related dental material biodegradation.MethodsDental adhesive materials and composite resins were incubated in S. mutans suspension with CMC 2.24 and other compounds, including doxycycline, Chemically-Modified-Tetracycline (CMT-3), and curcumin for 4 weeks. …”
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  6. 146
  7. 147

    Catalytic Chemical Recycling of Post-Consumer Plastics: A Review by L. M. Affiku, S. O. Okopi, A. S. Akawu, C. N. Abah, K. O. Joseph

    Published 2025-01-01
    “… The objective of this paper is to provide a critical review of Catalytic Chemical Recycling of Post-Consumer Plastics using data from online and in-library resources. …”
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  8. 148
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  10. 150

    Chemical composition of bird cherry fruits in the Northwestern region of Russia by S. Yu. Orlova, A. A. Yushev, T. V. Shelenga

    Published 2020-06-01
    “…The best genotypes were selected for each chemical component: for increased soluble solid content (SSC), accessions of Group I ‘Nevesta’ (29.63%), 1-1-8 (30.35), ‘Carpaty 5’ (30.87), ‘Chaika’ (33.9); for accumulation of sugars, ‘Granatovaya grozd’ (Group III; 12.13%), 1-1-8 (Gr. …”
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  11. 151
  12. 152

    Chemical composition of marandu palisade grass fertilized with nitrogen and potassium by K. C. Sales, J. G. Abreu, C. E. A. Cabral, A. Behling Neto, L. C. R. P. Silva, I. M. Silva Neto

    Published 2023-12-01
    “… The goal was to evaluate the chemical composition of Urochloa brizantha cv. Marandu through the use of fertilization with nitrogen and potassium. …”
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  13. 153

    Adsorption Properties of Silica with Chemically Bonded Amino and Guanidino Groups by T.M. Roshchina, V.Ya. Davydov, N.M. Khrustaleva, A.A. Mandrugin, K.B. Gurevich

    Published 1997-04-01
    “…The influence of the non-homogeneity of the silica support and the nature and amount of modifier employed on the adsorption properties of materials with chemically bonded amino and guanidino groups was studied by means of gas chromatography (GC), adsorption measurements under static conditions and IR spectroscopy. …”
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  14. 154

    Advance Chemical Mechanical Polishing Technique for Gallium Nitride Substrate by Xuanyi Zhao, Shouzhi Wang, Lei Liu, Qiubo Li, Jiaoxian Yu, Guodong Wang, Chang Liang, Zhongxin Wang, Han Hao, Xiangang Xu, Lei Zhang

    Published 2025-01-01
    “…Achieving high surface flatness is critical for subsequent epitaxial growth and device fabrication processes. Chemical mechanical polishing (CMP) technique of GaN is commonly one of the most effective ways to achieve atomically smooth surfaces. …”
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  15. 155

    Wastewater Treatment Using Wood Ash and Cement as Chemical Coagulant by Milkessa Ingida, Gurmesa Bedane, Firanbon Adugna, Degefa Nigusu, Mohammed Hussen, Chala Hailu Sime

    Published 2023-01-01
    “…To address this problem, wastewater can be treated using locally available materials such as wood ash and cement as chemical coagulants. The objective of this study was to treat wastewater using these materials. …”
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  16. 156
  17. 157

    Modeling of Scale-Dependent Bacterial Growth by Chemical Kinetics Approach by Haydee Martínez, Joaquín Sánchez, José-Manuel Cruz, Guadalupe Ayala, Marco Rivera, Thomas Buhse

    Published 2014-01-01
    “…We applied the so-called chemical kinetics approach to complex bacterial growth patterns that were dependent on the liquid-surface-area-to-volume ratio (SA/V) of the bacterial cultures. …”
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  18. 158
  19. 159

    Emergency Evacuation of Hazardous Chemical Accidents Based on Diffusion Simulation by Jiang-Hua Zhang, Hai-Yue Liu, Rui Zhu, Yang Liu

    Published 2017-01-01
    “…The recent rapid development of information technology, such as sensing technology, communications technology, and database, allows us to use simulation experiments for analyzing serious accidents caused by hazardous chemicals. Due to the toxicity and diffusion of hazardous chemicals, these accidents often lead to not only severe consequences and economic losses, but also traffic jams at the same time. …”
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  20. 160

    In Situ Chemical Oxidation of Ultrasmall MoOx Nanoparticles in Suspensions by Yun-Ju Lee, Diego Barrera, Kaiyuan Luo, Julia W. P. Hsu

    Published 2012-01-01
    “…In this report, we demonstrate that such control can be achieved via in situ chemical oxidation of MoOx nanoparticles in suspensions. …”
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