Showing 6,481 - 6,500 results of 10,622 for search 'Quanqiu~', query time: 2.58s Refine Results
  1. 6481

    Separation of Some Anionic Dyes Using Reverse Micelles of CTAB and SDS as Efficient Surfactants Adsorbents from Aqueous Medium by Heba M. El Refay, Nagwa Badawy, Amina Hamada, El Shimaa Hassen

    Published 2022-01-01
    “…Dyes extracted were stripped quantitatively with NaOH solution. Recovery of the solvent and the reuse of dyes and surfactants after extraction of dye molecules from reverse micelles surfactant core considered are very important from an economic point of view. …”
    Get full text
    Article
  2. 6482

    The Role of Urban Spaces in Improving the Life Quality (A Case Study of Malayer) by Robabeh Rajabi Amirabad, Bijan Rahmani

    Published 2020-09-01
    “…The type of the study was a developmental one and the area understudy was Malayer with 52697 households and an area of ​​2,400 hectares. Quantitative models and statistical procedures such as development indicators, standardized scores, correlation coefficient, t-test, multiple regression, variance analysis, coefficient of variation, factor analysis, and 60 variables as the indicators of this study were used to assess and evaluate the life quality in Malayer as far as social, economic, environmental and physical aspects of life were concerned. …”
    Get full text
    Article
  3. 6483

    Capacity Evolution of Flexible Units Based on a Dual-Timescale Dynamic Model under Dual Carbon Goals by LI Kecun, HUANG Zhenyu, YOU Xingxing, QIU Gao, LIU Youbo, LIU Junyong

    Published 2025-02-01
    “…This paper proposes a dual-timescale dynamic model that combines system dynamics with spot market clearing to simulate the self-profit growth trends of flexible gas units and energy storage systems under more realistic electricity price scenarios. First, the quantitative and feedback relationships among market elements are analyzed, and a system dynamics model is established to simulate the investment and development of various power generation types. …”
    Get full text
    Article
  4. 6484

    An Investigation of Coding Education Practices in terms of Primary School Students' Algorithmic Thinking Skills and Students' Opinions by Anil Erkan, Sumeyra Akkaya

    Published 2025-01-01
    “…The data were collected using the Algorithmic Thinking Skills Scale developed by the researcher, Semi-structured Interview Form, Student Diaries, Scratch Programming Skills Checklists and Researcher Diary. According to the quantitative results of the study, a significant difference was found between the Algorithmic Thinking Skill Scale pre-test and post-test results of the students in the experimental group. …”
    Get full text
    Article
  5. 6485

    Alga-based mathematical model of a life support system closed in oxygen and carbon dioxide by D. A. Semyonov, A. G. Degermendzhi

    Published 2023-12-01
    “…The purpose of the study was to compare quantitative analysis methods used in the early stages of closed-loop system prototyping with modern data analysis approaches. …”
    Get full text
    Article
  6. 6486

    A Novel Ensemble Meta-Model for Enhanced Retinal Blood Vessel Segmentation Using Deep Learning Architectures by Mohamed Chetoui, Moulay A. Akhloufi

    Published 2025-01-01
    “…<b>Conclusions:</b> A comparative analysis using qualitative and quantitative results with individual models highlights the robustness of the ensemble framework, especially under conditions of noise and poor visibility.…”
    Get full text
    Article
  7. 6487

    The Natural Science Underlying Big History by Eric J. Chaisson

    Published 2014-01-01
    “…No new science (beyond frontier, nonequilibrium thermodynamics) is needed to describe cosmic evolution’s major milestones at a deep and empirical level. Quantitative models and experimental tests imply that a remarkable simplicity underlies the emergence and growth of complexity for a wide spectrum of known and diverse systems. …”
    Get full text
    Article
  8. 6488

    Exploration of Resident Satisfaction and Willingness in the Renovation of a Typical Old Neighborhood by Wenjun Peng, Yanyan Huang, Changquan Li, Yilin Wang

    Published 2025-01-01
    “…Multiple linear regression analysis, factor analysis, and correlation analysis were used to quantitatively screen, judge, and process sample data. …”
    Get full text
    Article
  9. 6489

    Moderation and Mediation of Meaningful Work on Job Demands and Job Resources on Work Engagement by Aria Srihadiningrat, Hanif Mauludin

    Published 2025-02-01
    “…The research method used is a survey method with a quantitative approach. This research was conducted on 125 employees of the Primary Tax Service Office (KPP) in Malang City, East Java, where the research sample was only devoted to employees at the North and South Malang KPP. …”
    Get full text
    Article
  10. 6490

    Entrepreneurship Education and Other Exogenous Variables in the Theory of Planned Behavior Model: A Systematic Literature Review by Rustiana

    Published 2025-01-01
    “…Then, the articles underwent further analysis using exclusion and inclusion criteria, resulting in 24 articles that met our requirements. Quantitative and qualitative analysis were then carried out, using statistical descriptive and bibliometric analysis. …”
    Get full text
    Article
  11. 6491

    The influence of ethical leadership and ethical culture on ethical behavior in higher education institutions by Anik Herminingsih

    Published 2024-12-01
    “…The research employs a quantitative approach with a causality design. Data were collected using structured questionnaires distributed to 150 academic and administrative staff as respondents, selected through purposive sampling. …”
    Get full text
    Article
  12. 6492

    Hubungan Peran Sosial terhadap Tingkat Depresi pada Lansia by Prischa Amelliana Dewi, Suci Tuty Putri, Imam Tri Sutrisno

    Published 2024-10-01
    “…This research uses quantitative descriptive with a cross-sectional approach. …”
    Get full text
    Article
  13. 6493

    Pattern of Decision-Making Evaluation in Urban Regeneration by jalal haghighi, saideh Zahra sadat zarabadi, mostafa behzadfar, mojtaba rafiyan

    Published 2023-06-01
    “…The research method is a combination of quantitative and qualitative methods. The present study is applied in terms of developmental goal and descriptive-analytical in terms of researcher action. …”
    Get full text
    Article
  14. 6494

    Information Security Risk Management Model for Big Data by Min Yang

    Published 2022-01-01
    “…As a post-event risk assessment method, the advantage of this method is that it can comprehensively consider factors affecting risk and can quantify some assessment factors in the real network to achieve an effective combination of qualitative and quantitative, thereby providing a basis for decision-making in risk analysis and risk control. …”
    Get full text
    Article
  15. 6495
  16. 6496

    Biosorption of Microelements by Spirulina: Towards Technology of Mineral Feed Supplements by Agnieszka Dmytryk, Agnieszka Saeid, Katarzyna Chojnacka

    Published 2014-01-01
    “…FTIR spectroscopy and potentiometric titration were used for qualitative and quantitative determination of metal ion-binding groups. …”
    Get full text
    Article
  17. 6497

    Numerical Simulation of Dynamic Characteristics of Dam Concrete Based on Fuzzy Set by Fang Jianyin, Liu Ke, Dang Faning, Li Shutian

    Published 2021-01-01
    “…Based on the definition of integrity, integrity area, and intercepted sections in the quantitative zoning theory, the concrete CT images were divided into the hole or crack area (P0−λ1), hardened cement stone area (Pλ1−λ2), and aggregate area (Pλ2−1). …”
    Get full text
    Article
  18. 6498

    Exploring the Role of Artificial Intelligence on Educational Dynamics: Evaluating its Impact on Pedagogical Practices and Student Learning Outcomes by Sarah Abou Karroum, Nour-Eldin Elshaiekh

    Published 2025-01-01
    “…Using these variables from the literature, five hypotheses were analyzed using quantitative research methods. Primary data was gathered from the sample of n=250 using an instrument which measured variables on a Likert Scale from one to five. …”
    Get full text
    Article
  19. 6499

    Determination of Senegenin and Tenuifolin in Mouse Blood by Ultra-High Performance Liquid Chromatography-Tandem Mass Spectrometry and Their Pharmacokinetics by Xiuwei Shen, Xiangyi Dai, Yifan He, Congcong Wen, Qingwei Zhang

    Published 2022-01-01
    “…Gradient elution was adopted, using a flow rate of 0.4 mL/min and an elution time of 4 min. Quantitative analysis was performed using electrospray ionization (ESI) with multiple reaction monitoring (MRM) in negative ion mode. …”
    Get full text
    Article
  20. 6500

    The predictors of behavioral intention to use ChatGPT for academic purposes: evidence from higher education in Somalia by Ahmed-Nor Mohamed Abdi, Abukar Mukhtar Omar, Mohamed Hassan Ahmed, Abdullahi Abdulkadir Ahmed

    Published 2025-12-01
    “…Using a cross-sectional quantitative design, we gathered data via an online survey of 299 students from four universities in Mogadishu, Somalia. …”
    Get full text
    Article