Showing 1,841 - 1,860 results of 18,993 for search 'sampling more methods', query time: 0.19s Refine Results
  1. 1841

    Green extraction, chemical profile and biological activity of waste products from the olive oil industry: From waste to wealth by Miryam Perrucci, Marco Dezio, Hammad Saleem, Fabrizio Ruggieri, Marcello Locatelli

    Published 2024-11-01
    “…Olive trees are grown in more than 40 countries around the world on over 10 million hectares. …”
    Get full text
    Article
  2. 1842

    Investigating the Impact of CALL on EFL Students' Speaking Skills at Islamic Boarding School: A Mix-Method Approach by Nona Safira Timur, Slamet Asari, Nirwanto Ma'ruf

    Published 2024-12-01
    “…These results advocate for integrating CALL into language education to create more engaging and supportive learning environments that promote fluency and confidence development in EFL learners.…”
    Get full text
    Article
  3. 1843

    Determination of rapid and sensitive extraction of colchicine from Colchicum baytopiorum and Colchicum decaisnei leaves by HPLC-UV method by Efe Deniz, Ümit Babacan, Ceren Selim, Mehmet Fatih Cengiz

    Published 2025-06-01
    “…Colchicine, known for its pharmacological applications for the treatment of gout and cancer, was extracted using ultrasonic-assisted extraction, a more environmentally friendly alternative to conventional methods like Soxhlet and solid-liquid extraction. …”
    Get full text
    Article
  4. 1844

    Determining the Most Consensus-Based Assessment Method for Social Sustainability—Case Study of a Suburb of Karlstad, Sweden by Karim Najar, Ola Nylander, William Woxnerud

    Published 2024-10-01
    “…This limited study suggests that a subjective method, such as an assessment method for social sustainability, can yield somewhat similar results, and in addition, Woxnerud’s method is more objectively applicable than the two other methods tested in this article.…”
    Get full text
    Article
  5. 1845

    Development and Application of a Cost–Effective Analytical Method for Hydrofluorocarbons Using Preconcentrator–Gas Chromatograph–Mass Spectrometer by Yujiro Ichikawa, Yukiko Ono, Kouki Sasaka

    Published 2025-01-01
    “…Therefore, we successfully developed a measurement method for six components of HFCs (HFC–23, HFC–32, HFC–125, HFC–134a, HFC–143a, and HFC–152a) with high atmospheric concentrations in various parts of the world by optimizing measurement parameters such as the sample transfer volume and rate, module cooling temperatures, the injection time, the GC oven temperature program, and the monitored ions of a commercially available preconcentrator–GC–MS. …”
    Get full text
    Article
  6. 1846

    Spectrophotometric method for detecting lead (II) ions using a chemosensor of the thiosemicarbazone-linked phenyl sulphone moiety by Gharam I. Mohammed, Sulafa Nassar, Thoraya A. Farghaly

    Published 2025-05-01
    “…The isolation and study of the solid complex (L-Pb) has provided more insight into the structure and stoichiometry of the complex that forms in solution between Pb(II) and L ligand. …”
    Get full text
    Article
  7. 1847

    Extraction of shikimic acid and and anise oil from Illicium verum Hook. f. using steam distillation method by WANG Shenyan, LI Simei, LI Jifu, MENG Keyi, YANG Jie

    Published 2024-10-01
    “…The steam distillation method was compared with the thermal reflux method.ResultsThe yield of anise oil reached 13.55% with the particle size of I. verum powder (100 mesh), the material liquid ratio 1∶15 (g/mL), and steam distillation twice; In the ion exchange purification process, when the pH of the sample solution was 4.0, the elution flow rate was 27 mL/h, and the volume fraction of HCl of the eluent was 4.40%, the yield and purity of shikimic acid reached 11.05% and 98.50%, respectively; The steam distillation method had more industrial value.ConclusionThis method achieved the goal of high-yield rate comprehensive extraction of two active ingredients.…”
    Get full text
    Article
  8. 1848

    A Video-Based Cognitive Emotion Recognition Method Using an Active Learning Algorithm Based on Complexity and Uncertainty by Hongduo Wu, Dong Zhou, Ziyue Guo, Zicheng Song, Yu Li, Xingzheng Wei, Qidi Zhou

    Published 2025-01-01
    “…In this paper, a cognitive emotion recognition method based on video data is proposed, in which 49 emotion description points were initially defined, and the spatial–temporal features of cognitive emotions were extracted from the video data through a feature extraction method that combines geodesic distances and sample entropy. …”
    Get full text
    Article
  9. 1849

    Soil Structure Analysis with Attention: A Deep-Learning-Based Method for 3D Pore Segmentation and Characterization by Italo Francyles Santos da Silva, Alan de Carvalho Araújo, João Dallyson Sousa de Almeida, Anselmo Cardoso de Paiva, Aristófanes Corrêa Silva, Deane Roehl

    Published 2025-01-01
    “…The method introduces a novel approach that combines attention at both channel and spatial levels, enhancing the segmentation and property estimation, providing valuable insights for a more detailed study of soil conditions. …”
    Get full text
    Article
  10. 1850

    Research on an Intelligent Prediction Method for the Carbon Emissions of Prefabricated Buildings During the Construction Stage, Based on Modular Quantification by Yang Yang, Xiaodong Cai, Xinlong Ma, Gang Yao, Ting Lei, Hongbo Tan, Ying Wang

    Published 2025-06-01
    “…The results show that the model based on BPNN has the highest prediction accuracy when determining the carbon emissions of prefabricated building during the construction stage, and this method can provide a more accurate reference for subsequent quantitative research on carbon emissions from prefabricated buildings.…”
    Get full text
    Article
  11. 1851

    A lightweight semantic segmentation method for concrete bridge surface diseases based on improved DeeplabV3+ by Zhiyuan Yu, Chunquan Dai, Xiaoming Zeng, Yunlong Lv, Haisheng Li

    Published 2025-03-01
    “…Therefore, this paper proposed a lightweight semantic segmentation method for concrete bridge surface diseases based on improved DeeplabV3+. …”
    Get full text
    Article
  12. 1852

    Development of a method for assessing the depth of penetration of ethosomes with methylene blue into the skin during application and photodynamic exposure by A. G. Loginova, I. S. Nikitenko, G. V. Tikhonovsky, A. S. Skobeltsin, A. V. Voitova, V. B. Loschenov

    Published 2023-01-01
    “…Nowadays, the existing methods for assessing the penetration depth of PS are time consuming and require the use of animal skin or model samples. …”
    Get full text
    Article
  13. 1853

    Method for Analyzing the Molecular and Carbon Isotope Composition of Volatile Hydrocarbons (C1–C9) in Natural Gas by Chunhui Cao, Zhongping Li, Liwu Li, Li Du

    Published 2018-01-01
    “…Finally, seven natural gas samples, collected from different sedimentary basins, were successfully analyzed and the stable carbon isotope compositions of C1–C9 hydrocarbons present in these were determined through this method. …”
    Get full text
    Article
  14. 1854

    Emotion Recognition Method Using U-Net Neural Network With Multichannel EEG Features and Differential Entropy Characteristics by Haitao Huang, Ying Deng, Bowen Hao, Wenguang Liu, Xiaoyu Tu, Guojun Zeng

    Published 2025-01-01
    “…This paper presents an emotion recognition method tailored for small sample training data, effectively addressing the issue of emotion classification based on multichannel continuous electroencephalogram (EEG) signals. …”
    Get full text
    Article
  15. 1855

    PHYSICAL AND MATHEMATICAL GROUNDS LANDFORMS BASIS PLATE DENTURES WHEN APPLYING THE COMPLEX METHOD OF PREVENTION OF PROSTHETIC STOMATITIS by A.A. Zverkhanovskii, V.G. Zadorozhnyi

    Published 2018-03-01
    “… The Objective of the study is a development of the drug form reservoirs to hold the basis of vegetable oils for the prosthesis without impairing its strength characteristics. Materialand Methods: The research was conducted on the Bench PMMA samples. …”
    Get full text
    Article
  16. 1856

    Estimation of Willingness to Pay for Life Cycle Eco-label Using Spike Model (A Case Study of Fresh Packaged Agricultural Products) by samaneh heydari, Leili Abolhassani, Morteza Molaei, Ali Firoz-zare

    Published 2025-12-01
    “…The studied population is willing to pay about 71% more for freshly packaged agricultural products with an eco-label than the sample price without a label. …”
    Get full text
    Article
  17. 1857

    Study of Crystal Structure, Lattice Strain, and Elemental Content of Natural Iron Sand Nanoparticles Synthesized by the Coprecipitation Method by Tulus Na Duma, Syahrul Humaidi, Erna Frida, Mohd. Mustafa Awang Kechik, Muhammadin Hamid, Martha Rianna, Novita, Rahmadhani Banurea, Norazimah Mohd Yusof, Nur Jannah Azman

    Published 2025-01-01
    “…Lattice strain analysis through the Williamson-Hall method showed positive tensile strain values for all samples, indicating structural tension within the crystal lattice. …”
    Get full text
    Article
  18. 1858

    A New Breast Cancer Discovery Strategy: A Combined Outlier Rejection Technique and an Ensemble Classification Method by Shereen H. Ali, Mohamed Shehata

    Published 2024-11-01
    “…Since the disease is becoming more common, early detection of breast cancer is essential to avoiding serious complications and possibly death as well. …”
    Get full text
    Article
  19. 1859

    LC–MS/MS quantification of 20(S)-protopanaxadiol in complex biological matrices for bioanalytical method validation and pharmacokinetic analysis by Pengfei Li, Shanshan Liu, Hongyan Zhuang, Mengxi niu, Fei Pan, Nan Wang, Sha Sha, Qian Wang, Jing Wang

    Published 2025-05-01
    “…Finally, perform mass spectrometry quantification. Comprehensive method validation was conducted on rat plasma samples, and partial method validations were performed on three types of rat tissues (adipose tissue, smooth muscle, and skeletal muscle), bile, urine, fecal samples, and dog plasma samples. …”
    Get full text
    Article
  20. 1860