Showing 681 - 700 results of 2,547 for search 'sample diffusion', query time: 0.09s Refine Results
  1. 681

    Research on Virtual Color Restoration of Complex Building System Based on Discrete Wavelet Transform by Chunqiao Song, Xutong Wu

    Published 2022-01-01
    “…This paper selects representative pixels as sample blocks to realize automatic matching of sample blocks in the two images and complete the color migration of the entire image. …”
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  2. 682

    Assessing the threat: Antibiotic resistant bacteria near Pittsburgh hospitals. by Frankel, B.

    Published 2022-08-01
    “…Since these correlations are statistically insignificant due to the low sample size, they are unable to prove the diffusion of antibiotic resistance from hospitals to other areas. …”
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  3. 683

    Digital Modeling of Heat Transfer during the Baking Process by Heba Mosalam

    Published 2021-01-01
    “…In the first case, the proposed numerical model considered radiation and convection during sample heating and described the sample’s simultaneous heat, water, and vapor diffusion mechanisms. …”
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  4. 684
  5. 685

    Numerical Investigation of Multiphase Transport Model for Hot-Air Drying of Food by Burak Turkan, Ahmet Serhan Canbolat, Akin Burak Etemoglu

    Published 2019-12-01
    “…Among these approaches, the porous media approach have complex phenomena. Molecular diffusion for gases (water vapor and air), capillary diffusion for liquid (water), and convection mechanisms (Darcy flow) were used in drying model in porous media. …”
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    Article
  6. 686

    Social Networking Sites: A panacea for enhancing productivity in the organisation during Covid-19 crisis, the case of tourism SMEs in South Africa by Blessing Mbatha

    Published 2022-08-01
    “…Sampled SMEs included: 20 "bed and breakfasts", 20 guest houses, and 10 tour operators. …”
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  7. 687

    High temperature luminescence of ZnSe:Yb crystals by V. P. Makhniy, O. V. Kinzerska, I. M. Senko, O. M. Slyotov

    Published 2016-06-01
    “…This task is solved by using as the dopant rare-earth element yttrium, which is introduced into the undoped ZnSe crystal by diffusion method. Doping was carried out in an evacuated to 10–4 Torr and a sealed quartz ampoule, in the opposite ends of which is a sample and a mixture of the crushed Yb and Se. …”
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  8. 688

    Temporal Evolution of Solute Dispersion in Three‐Dimensional Porous Rocks by Alexandre Puyguiraud, Philippe Gouze, Marco Dentz

    Published 2024-03-01
    “…Both dispersion coefficients evolve from the molecular diffusion coefficients toward a common finite asymptotic value. …”
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  9. 689

    Molecular dynamics simulation of calcium carbonate nano filled PLA/PPC composites: interfacial properties and water vapor barrier by Yingjie Ding, Yong Xin

    Published 2025-05-01
    “…The analysis of the water adsorption sites on the composites, the energy distribution, and the mean square displacements (MSD) of water in the different samples, as well as the diffusion coefficients, showed that the filler with 3 wt% of CaCO₃ had a better dispersibility in the matrix, the free volume of the system was reduced, and the diffusion channel of water vapour was widened, which led to promising success in the field of biodegradable membranes for food packaging or waterproofing for agriculture. …”
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  10. 690

    Probing soft X-ray induced photoreduction of a model Mn-complex at cryogenic conditions by Kuntal Chatterjee, Sang-Jun Lee, Li-Cheng Kao, Margaret D. Doyle, Charles J. Titus, Stephen R. Leone, Junko Yano, Vittal K. Yachandra, Philippe Wernet, Jan F. Kern

    Published 2025-03-01
    “…To reduce the secondary damage resulting primarily from the diffusion of radicals and electrons, the spectra are collected at 30 K and 80 K on solid samples. …”
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  11. 691

    Iter Iaponicum: post-pandemic resumption of the Census of ancient Italian manuscripts and editions preserved in Japan. Early surveys of the vernacular Petrarch by Marco Daniele Limongelli

    Published 2025-06-01
    “…Here, the first outcome of the research is anticipated, focusing on the manuscripts and 16th century editions of Petrarch’s works consulted at university libraries. A sample of the information on provenance, circulation, use and owners is offered. …”
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  12. 692

    A Methodology for Registration of a Histological Slide and In Vivo MRI Volume Based on Optimizing Mutual Information by Charles R. Meyer, Bradford A. Moffat, Kyle K. Kuszpit, Peyton L. Bland, Paul E. Mckeever, Timothy D. Johnson, Thomas L. Chenevert, Alnawaz Rehemtulla, Brian D. Ross

    Published 2006-01-01
    “…Only the higher quality anatomical images were used in the registration process; however, the spatial transformation was directly applied to a quantitative diffusion image. Quantitative diffusion maps from the registered location appeared highly correlated with the H&E slide. …”
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  13. 693

    Speckle-Based Transmission and Dark-Field Imaging for Material Analysis with a Laboratory X-Ray Source by Diego Rosich, Margarita Chevalier, Tatiana Alieva

    Published 2025-04-01
    “…Contrast-to-noise ratio (CNR) and linear attenuation, absorption and diffusion coefficients obtained from BF, T and DF images are studied for two object-to-detector distances (ODDs). …”
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  14. 694
  15. 695

    Study protocol of the ASTOP trial: A multicenter, randomized, double-blind, placebo-controlled trial of presurgical aspirin administration for the prevention of thromboembolic comp... by Sakyo Hirai, Kyohei Fujita, Shoko Fujii, Satoru Takahashi, Keigo Shigeta, Jun Karakama, Yukiko Enomoto, Yohei Sato, Masataka Yoshimura, Shin Hirota, Tatsuya Mizoue, Yoshikazu Yoshino, Yoshihisa Kawano, Toshihiro Yamamura, Shinya Kohyama, Masaru Hirohata, Shinichi Yoshimura, Yosuke Ishii, Toshihiro Yamauchi, Naoki Taira, Yoshiki Obata, Makoto Sakamoto, Masato Inoue, Motoshige Yamashina, So Tokunaga, Toshio Higashi, Kana Sawada, Hidetoshi Mochida, Keisuke Ido, Masataka Takeuchi, Tomoji Takigawa, Yasushi Takagi, Masafumi Morimoto, Masataka Nanto, Kazunori Miki, Kouichi Misaki, Koichi Arimura, Yoshiki Hanaoka, Mutsuya Hara, Shoko Hara, Kota Yokoyama, Jun Ooyama, Ryoichi Hanazawa, Hiroyuki Sato, Akihiro Hirakawa, Megumi Ishiguro, Shigeru Nemoto, Kazutaka Sumita

    Published 2024-01-01
    “…<h4>Aim</h4>This study aimed to assess the safety and efficacy of preoperative aspirin administration in endovascular treatment for ruptured cerebral aneurysms.<h4>Sample size estimates</h4>Assuming a 15% incidence rate of both intraoperative thromboembolic morbidity and symptomatic ischemic lesions on magnetic resonance imaging diffusion-weighted imaging scans assessed by an Independent Review Committee, a sample size of 484 will be required to detect a 10% improvement with aspirin administration with 90% power using the Pearson's chi-square test at a two-sided significance level of 2.5% for each primary outcome, after accounting for a 5% dropout rate.…”
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  16. 696

    τFCS: multi-method global analysis enhances resolution and sensitivity in fluorescence fluctuation measurements. by Neil R Anthony, Keith M Berland

    Published 2014-01-01
    “…The resolution enhancement allows the concentration of a secondary species to be accurately measured even when it constitutes only a few percent of the molecules within a sample mixture, an important new capability that will allow accurate measurements of molecular concentrations and interaction stoichiometry of minor sample species that can be functionally important but difficult to measure experimentally. …”
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  17. 697

    Influence of Nickel Percentage on Lattice Structure and Mechanical Strength in Al-Si Alloy by Shakib Alsowidy, Belqueis Al-Asry, Adnan Alnehia

    Published 2024-01-01
    “…Vickers hardness (HV) measurements were performed on the samples before and after sintering. The results indicated that the highest hardness value obtained was 93 HV for the sample containing 0.1 wt.% Ni after sintering, whereas the lowest hardness value was 56 Hv for the sample without any nickel content before sintering. …”
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  18. 698

    Home-Made Membraneless Vaporization Gas-Liquid Separator for Colorimetric Determination of Ethanol in Alcoholic Beverages by Vanpaseuth Phouthavong, Hayato Inoue, Kesiny Phomkeona, Vanseng Chounlamany

    Published 2022-01-01
    “…An acidified potassium dichromate (Cr2O72−) acceptor solution, preadded to the glass bottle, was reduced to Chromium (III) ion by the diffusion of vaporized ethanol from the sample. After 5 min, the absorbing solution was collected for colorimetric detection at 590 nm. …”
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  19. 699

    Herstellung von >99,9997% 38Argon für die 40K-40Ar-Geochronologie by E. Schumacher

    Published 1975-10-01
    “… For the conventional 40K-40Ar-dating method a very pure 38Ar-spike is used as an internal standard for the mass spectrometric determination of the radiogenic 40Ar content of the sample. By means of a 54 m long thermal diffusion column and a carrier gas of 37Cl enriched HCl 38Ar has been produced with < 10-5% 36Ar and < 3・10-4% 40Ar. …”
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  20. 700