Showing 221 - 240 results of 294 for search '"composition studies"', query time: 0.35s Refine Results
  1. 221

    Advances in Vertebrate (Cyto)Genomics Shed New Light on Fish Compositional Genome Evolution by Dominik Matoulek, Bruno Ježek, Marta Vohnoutová, Radka Symonová

    Published 2023-01-01
    “…Cytogenetic and compositional studies considered fish genomes rather poor in guanine-cytosine content (GC%) because of a putative “sharp increase in genic GC% during the evolution of higher vertebrates”. …”
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    Article
  2. 222

    DESIGN PROCEDURE FOR MAKING AND REPAIRING COMPOSITE SANDWICH BASED ON AUGMENTED REALITY by Irvan Nur Hanafi, Lilies Esthi Riyanti, Hari Kurniawanto

    Published 2022-12-01
    “…Banyaknya kelebihan yang didapatkan dalam sandwich composite tidak lepas dari tingkat kesulitan yang dimiliki dalam proses pembuatan dan perbaikan composite. Studi ini meneliti bahaya yang disebabkan dalam prosedur pembuatan dan perbaikan menggunakan metode Analisis Bahaya Pekerjaan. …”
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    Article
  3. 223

    MINERALOGY OF BARITE-POLYMETALLIC DEPOSITS OF ZMEINOGORSK ORE DISTRICT (RUDNY ALTAI) by Ksenia V. Bestemianova, Oleg M. Grinev

    Published 2021-09-01
    “…According to the results of sulfur isotopic composition study in sulfides there was a heterogeneous source of ore material: initial mantle source was later changed by a crustal source. …”
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    Article
  4. 224

    POLARIZATION FOR PIANO by Áron TÖRÖK-GYURKÓ

    Published 2019-06-01
    “…From a different perspective, the piece is a compositional study which attempts to answer some questions such as: what can the material of a musical process be?…”
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    Article
  5. 225

    Tribological performance of hybrid polymer based composites by Hoe, Joyce Huang Jiao

    Published 2016
    “…A study on the tribological performance of several hybrid polymeric composites was presented. The composites studied include epoxy resin containing encapsulated wax, epoxy resin containing encapsulated isocyanate and epoxy resin containing graphite. …”
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    Final Year Project (FYP)
  6. 226

    Investigation of microstructural, chemical bonding and optical properties of Fe-Cu/rGO nanocomposites by Akash Saini, Aishwarya Madhuri, Sambit Kumar Sahoo, Pukhrambam Sushma Devi, Sanketa Jena, Soumyadeep Laha, Bibhu Prasad Swain

    Published 2024-03-01
    “…This work focuses on the synthesis of Iron – Copper with reduced graphene oxide (Fe-Cu/rGO) nanocomposites by chemical co-precipitation method and their characterizations by Scanning electron microscope (SEM), X-ray diffraction (XRD), Fourier transforms infrared (FTIR), Raman spectroscopy, UV visible spectroscopy and Energy dispersive X-ray (EDX) spectroscopy to investigate the morphology, structural, chemical bonding, optical characteristic and compositional study respectively. Within the Fe-Cu/rGO nanocomposites, the iron concentration ranged from 0 to 100 wt%, while the copper content changed reversibly from 100 to 0 wt% in a step of 20 wt%. …”
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    Article
  7. 227

    Influence of the Composition and Testing Modes on the Electrochemical Performance of Li-Rich Cathode Materials by Lidia Pechen, Elena Makhonina, Anna Medvedeva, Yury Politov, Aleksander Rumyantsev, Yury Koshtyal, Alexander Goloveshkin, Igor Eremenko

    Published 2022-11-01
    “…The LMR35 cathode material (Li<sub>1.149</sub>Ni<sub>0.184</sub>Mn<sub>0.482</sub>Co<sub>0.184</sub>O<sub>2</sub>) demonstrated the best functional properties among all the compositions studied.…”
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    Article
  8. 228

    Assessment of mechanical and tribological performance of hybrid Al/MoS2/Al2O3 composite by GFRA by Hari Kiran Vuddagiri, Sivasankara Raju Rallabandi, Srinivas Vadapalli, Thimothy Pandi

    Published 2022-03-01
    “…However, when compared to other composites studied, the Al/16% Al2O3 composite had improved mechanical properties. …”
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    Article
  9. 229

    Metabolites Associated with Vigor to Frailty Among Community-Dwelling Older Black Men by Megan M. Marron, Tamara B. Harris, Robert M. Boudreau, Clary B. Clish, Steven C. Moore, Rachel A. Murphy, Venkatesh L. Murthy, Jason L. Sanders, Ravi V. Shah, George C. Tseng, Stacy G. Wendell, Joseph M. Zmuda, Anne B. Newman

    Published 2019-04-01
    “…We sought to identify metabolites and biological pathways associated with vigor to frailty among 287 black men ages 70&#8722;81 from the Health, Aging, and Body Composition study. Using liquid chromatography-mass spectrometry, 350 metabolites were measured in overnight-fasting plasma. …”
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    Article
  10. 230

    APPROACHES TO THE SELECTION OF EXCIPIENTS FOR DENTAL GEL WITH CETYLPYRIDINIUM CHLORIDE by E. Yu. Zagorulko, A. S. Karavaeva

    Published 2021-06-01
    “…For a complex evaluation of gel compositions study results, a desirability function was used.Results. …”
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    Article
  11. 231

    Study on Recycling of Waste Glass Fiber Reinforced Polypropylene Composites: Examination of Mechanical and Thermal Properties by Ezgi SÖZEN, Aref CEVAHİR, Sennur DENİZ

    Published 2023-02-01
    “…Differential scanning calorimetry (DSC) was used for the evaluation of thermal parameters such as melting point and crystallization temperature of the polymer matrix in the composites studied. Furthermore, by analyzing the values of thermal effects determined using the DSC method, it was possible to determine the degree of crystallinity. …”
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    Article
  12. 232

    Chemical and Biological Properties of Three Poorly Studied Species of <i>Lycium</i> Genus—Short Review by Maria da Graça Miguel

    Published 2022-12-01
    “…The biological properties of <i>L. barbarum</i> fruits are mainly attributed to polysaccharides, particularly complex glycoproteins with different compositions. Studies regarding these metabolites are practically absent in <i>L. europaeum</i>, <i>L. intricatum</i> and <i>L. schweinfurthii</i>. …”
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    Article
  13. 233

    Correlation of microstructural and chemical bonding of FeNi-rGO nanocomposites by Sambit Kumar Sahoo, Aishwarya Madhuri, Akash Saini, Sanketa Jena, Pukhrambam Sushma Devi, Soumyadeep Laha, Bibhu Prasad Swain

    Published 2023-12-01
    “…FeNi-rGO nanocomposites were characterized by Scanning Electron Microscope (SEM), X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Raman spectroscopy, UV-Vis spectroscopy and Energy dispersive spectroscopy (EDX) to investigate morphology, structural, chemical bonding, optical and compositional study respectively. SEM images revealed the connective network of grains first increased from 186 nm to 295 nm for Fe(1)-rGO to Fe(0.6)Ni(0.4)-rGO and then decreased from 250 nm to 217 nm for Fe(0.4)Ni(0.6)-rGO to Ni(1)-rGO with increased wt% of Ni and decreased wt% of Fe. …”
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    Article
  14. 234

    Intumescent compounds for fireproofing of polymer pipelines by Bogdanova Valentina, Kobets Olga, Buraya Oksana, Ustinov Andrei, Zybina Olga

    Published 2022-12-01
    “…The best mechanical, heat-insulating and morphological properties of investigated intumescent composites and their charred layers are achieved when temperature ranges referred to formation of organo-mineral framework and volatile thermolysis products are coinciding. For the composites studied in this paper, this temperature range was 350–400 °C. …”
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    Article
  15. 235

    Oxidation of vanadium metal in oxygen plasma and their characterizations by Rabindar Kumar Sharma, Megha Singh, Prabhat Kumar, G. B. Reddy

    Published 2015-09-01
    “…The formation of microcracks on oxidized V-strips, those responsible to countinue oxidation is also confirmed by SEM results. The compositional study of oxide layers formed on V-strips, corroborates their pureness and further assures about the existence of mixed oxide phases. …”
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    Article
  16. 236

    Chronic kidney disease as a risk factor for peripheral nerve impairment in older adults: A longitudinal analysis of Health, Aging and Body Composition (Health ABC) study. by Simit Doshi, Ranjani N Moorthi, Linda F Fried, Mark J Sarnak, Suzanne Satterfield, Michael Shlipak, Brittney S Lange-Maia, Anne B Newman, Elsa S Strotmeyer

    Published 2020-01-01
    “…<h4>Materials and methods</h4>Participants were from the Health, Aging and Body Composition Study (N = 1121) with longitudinal data between 2000-01 (initial visit) and 2007-08 (follow-up visit). …”
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    Article
  17. 237

    Weight variability, physical functioning and incident disability in older adults by Katie J. McMenamin, Tamara B. Harris, Joshua F. Baker

    Published 2023-08-01
    “…Methods Included were participants from the Health, Aging and Body Composition Study who had semi‐annual BMI data during the first 3 years of follow‐up. …”
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    Article
  18. 238

    An Archaeometallurgical Explanation for the Disappearance of Egyptian and Near Eastern Cobalt-Blue Glass at the end of the Late Bronze Age by Jonathan R. Wood, Hsu Yi-Ting

    Published 2019-01-01
    “…A recent compositional study of Egyptian cobalt-blue glass from museum collections in Japan (18th Dynasty) and from the site of Dahshur (18th and 19th-20th Dynasties) concluded that a new source of cobalt was exploited for the later Dahshur glass, thereby suggesting that glass production continued into the Ramesside period (Abe et al. 2012). …”
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    Article
  19. 239

    Changes in the structure and properties of road bitumen during its thermal stabilization by N. I. Shestakov, N. V. Khokhlova, Yu. E. Vasiliev, U. O. Menkina

    Published 2023-12-01
    “…In order to further study thermal stability on the optimal versions of bitumen compositions, studies on mass retention of bitumen films at temperatures from 160 to 220 °C were performed. …”
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  20. 240

    Isolation and Staining Reveal the Presence of Extracellular DNA in Marine Gel Particles by Aisha S. M. Al-Wahaibi, Robert C. Upstill-Goddard, J. Grant Burgess

    Published 2023-03-01
    “…While dynamic ecological interactions between marine microorganisms and MGPs may result in the secretion and mixing of bacterial extracellular polymeric substances (EPS) such as nucleic acids, compositional studies currently are limited to the identification of acidic polysaccharides and proteins in transparent exopolymer particles (TEP) and Coomassie stainable particles (CSP). …”
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    Article