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Showing 2,861 - 2,880 results of 15,724 for search 'determined (coefficiency OR efficient) method', query time: 0.29s Refine Results
  1. 2861

    Evaluation of adsorption treatment method for removal of phenol and acetone from industrial wastewater by Eman H. Khader, Rasha H. Khudhur, Thamer J. Mohammed, Omar S. Mahdy, Anaam A. Sabri, Abeer S. Mahmood, Talib M. Albayati

    Published 2024-01-01
    “…Due to the toxins included in wastewater, wastewater reuse is becoming more and more important as a method of protecting the aquatic environment and conserving freshwater resources. …”
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    Article
  2. 2862

    Machine Learning Methods of Providing Informational Management Support for Students’ Professional Development by I. G. Zakharova

    Published 2018-12-01
    “…The author notes that the efficiency of similar intellectual systems is determined not only by the continued database up-dating, i.e. the amount of data in turn influence the accuracy of model of students’ classification and, consequently, the forecast of students’ professional development. …”
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    Article
  3. 2863

    Palladium‐Catalyzed Selectivity Controlled Highly Efficient Carbonylative Synthesis of Isoquinoline‐1,3(2H,4H)‐diones and Indanones by Ren‐Rui Xu, Chang‐Sheng Kuai, Prof. Dr. Xiao‐Feng Wu

    Published 2025-03-01
    “…Abstract Compared to the methods that rely on complex and structurally unique substrates for the synthesis of heterocyclic compounds through intra‐ and intermolecular cyclization, strategies starting from simple and readily available substrates, combined with finely tuned catalytic system to achieve different chemoselectivity, offer significant advantages in terms of efficiency, cost‐effectiveness, and versatility. …”
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    Article
  4. 2864

    Increasing the pump energy efficiency of the system for discharging liquefied natural gas from large-capacity storage facilities via design improvement by A. Yu. Baranov, M. I. Davydenko, Ye. V. Sokolova, O. A. Filatova

    Published 2021-07-01
    “…Abstract. Objective. To determine the most relevant way to improve the energy efficiency of the system for discharging liquefied natural gas (LNG) from large-capacity storage facilities. …”
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    Article
  5. 2865

    Entrepreneurship in the healthcare sector in the Democratic Republic of Congo: managerial determinants of the level of activity in private healthcare facilities in the N'sele healt... by Francine Lombe Ntumba, B F Lombe, K T Bukele

    Published 2023-10-01
    “…# Background Since the 1980’s, the state has opened up the healthcare sector to private investors, which has encouraged the emergence of health training institutions, resulting in the creation of private healthcare establishments (Etablissements de soins et services de santé - ESS). # Methods The aim of this study was to investigate the managerial factors of private entrepreneurship in healthcare that determine the level of activity of healthcare ESS. …”
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  6. 2866

    Energy efficient adaptive clustering with QoS-aware CBRP and grey wolf optimization clustering algorithm for mobile ad-hoc network (MANET) by Minal Patil, Manish Chawhan, Roshan Umate, Abhishek Madankar, Bhumika Neole

    Published 2025-07-01
    “…Moreover, the cluster definition protocol (CBRP) has been developed to improve the efficiency of determination by organizing the structure itself as a group and selecting CHs for internal communication and between effective groups. …”
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    Article
  7. 2867

    Determination of aflatoxin M<sub>1</sub> in milk by ultra-performance liquid chromatography and fluorimetric detection combined with large volume flow cell by WANG Junlin, CAI Zengxuan, REN Yiping

    Published 2013-03-01
    “…The results obtained from this method were similar to the classical method.In conclusion, this quantitative method has many advantages including simple pretreatment, rapid determination and high sensitivity, which can be applied to the determination and quantification of aflatoxin M 1 in milk sample.…”
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  8. 2868

    Simultaneous determination of 22 volatile organic compounds in urine of automotive spray painting workers using static headspace gas chromatography-mass spectrometry by Mengmeng LIU, Junyu PAN, Baofeng LIU, Qiang ZENG

    Published 2025-05-01
    “…The single ion monitoring (SIM) mode was chosen for the quantitative analysis of the 22 VOCs. The method demonstrated good linearity for determining 22 target analytes in the urine of spray painting workers, with correlation coefficients all above 0.990. …”
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    Article
  9. 2869
  10. 2870

    A simple and low-cost electrode based on Nafion-stabilized silver nanoparticles supported on FTO for the electrochemical determination of Pb (II) and Cu (II). by Leonardo J Monroy-Cruz, Akemi Morales-Kato, Yndira Dolores-Maldonado, Katiuska Castro, Alen Zimic-Sheen, María Belén Balta, Geraldine J Otayza-Melgarejo, Raúl León, Patricia Sheen, Wilner Valenzuela, Mirko Zimic

    Published 2025-01-01
    “…Increasing awareness of the environmental risks posed by heavy metal accumulation in the environment-due to their toxicity and persistence in biological systems-has driven the development of more efficient and accessible detection methods. Conventional techniques, despite their accuracy, are often expensive, time-consuming, and reliant on non-portable specialized equipment. …”
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    Article
  11. 2871

    Determination of Retinol, α-Tocopherol, Lycopene, and β-Carotene in Human Plasma Using HPLC with UV-Vis Detection: Application to a Clinical Study by Roman Kand’ár, Pavla Novotná, Petra Drábková

    Published 2013-01-01
    “…A method is described here for the simultaneous determination of retinol, α-tocopherol, lycopene, and β-carotene in human plasma. …”
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  12. 2872
  13. 2873

    Determination of the Band Gap Energy of SnO<sub>2</sub> and ZnO Thin Films with Different Crystalline Qualities and Doping Levels by Cecilia Guillén

    Published 2025-02-01
    “…However, there is no single method for its determination; rather, different approximations depend on the crystalline quality and the doping level because these modify the energy band structure of the semiconductor. …”
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  14. 2874

    Solid-to-liquid extraction and HPLC/UV determination of amygdalin of seeds of apple (Malus pumila Mill): Comparison between traditional-solvent and microwave methodologies by Jovanny Arles Gómez Castaño, Juan Camilo Amaya Salcedo, Oswaldo Eliecer Cardenas Gónzalez

    Published 2018-07-01
    “…The extraction efficiencies are determined by an optimized and standardized high-performance liquid chromatography (HPLC) method that requires retention times of about 1 min only. …”
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  15. 2875

    Ultrasonic-assisted hydrogen peroxide leaching of cadmium-containing flue dust under room temperature and neutral conditions: Efficient recovery and mechanism by Yuxi Xie, Tian Wang, Yuanru Wang, Yan Gao, Shihao Liu, Fei Niu, Phan Duc Lenh, Thiquynhxuan Le, Libo Zhang

    Published 2025-09-01
    “…A novel ultrasonic-enhanced hydrogen peroxide leaching method is proposed for efficient cadmium recovery from flue dust under room temperature and neutral conditions, addressing the limitations of conventional methods such as low efficiency and environmental pollution. …”
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    Article
  16. 2876

    Risk Analysis Using Geographic Information Systems by Determining the Factors Affecting Yield in Plant Production: A case study from Ankara, Turkey by Aydın Şık, Emre Yeniay

    Published 2022-10-01
    “…With risk analysis, the risk values are determined for each risk factor. Applying the Analytical Hierarchy Process (AHP), which is one of the multi-criteria decision-making methods, the total risk value is calculated by prioritizing the risk factors. …”
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  17. 2877

    Determination of cyanide contents in sorghum, Daqu, and fermented grains using EDTA-2Na-phosphoric acid distillation-automatic flow injection analyzer by XIONG Xiaotong, ZHU Jiaosheng, DU Jiawei, XIE Qianqian, HU Yang, SHEN Rui, CHEN Yanhe

    Published 2024-06-01
    “…The cyanide contents in sorghum, Daqu, and fermented grains were extracted with ethylenediaminetetraacetic acid disodium salt (EDTA- 2Na)-phosphoric acid (2 g-5 ml) distillation system. A rapid determination method for cyanide contents in sorghum, Daqu, and fermented grains was established combined with automatic flow injection analysis technology. …”
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  18. 2878

    Designing a helpdesk ticketing system to improve the efficiency of IT support services on an XYZ company-based web-site using the Laravel framework by Mohamad Nur Wahyuddin, Dhanny Permatasari Putri

    Published 2024-03-01
    “…Additionally, the author conducts testing using the Black Box Testing method to ensure the system's functionality. The outcome of this research is a web-based Helpdesk Ticketing System that efficiently assists the IT department in handling employee issues. …”
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    Article
  19. 2879

    Liquid Chromatography/Tandem Mass Spectrometry for the Simultaneous Determination of Alverine and its Metabolite, Monohydroxy Alverine, in Human Plasma: Application to a Pharmacoki... by Rahul C. Gavhane, Ketan K. Nerurkar, Ashok M. Kalamkar, Mitesh R. Patil, Satish G. Pingale, Prafullakumar Kulkarni

    Published 2011-01-01
    “…A rapid and sensitive LC-MS-MS method for the determination of alverine (ALV) and its major metabolite, monohydroxy alverine (MHA), in human plasma using imipramine as an internal standard was developed and validated. …”
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  20. 2880

    Determination of Phenolic Compounds from Lignin Decomposition Products in Marine Sediments by Ultra-High Performance Liquid Chromatography-High Resolution Mass Spectrometry by Jianbo YANG, Junhui CHEN, Xiuping HE, Jiuming WANG, Ming XIN, Xia SUN, Baodong WANG

    Published 2023-06-01
    “…The degradation degree of terrestrial organic matter in most sampling stations is medium or high, but there is still a small amount of fresh plant debris. The proposed method has the advantages of high efficiency, simple for sample pretreatment, and is a powerful technique for the determination of main decomposition product phenolic compounds of lignin in marine sediments.…”
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    Article