Showing 501 - 520 results of 906 for search 'mode composition (method OR methods)', query time: 0.16s Refine Results
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    Metabolomic Characterisation of Low-Density Lipoproteins Isolated from Iodixanol and KBr-Based Density Gradient Ultracentrifugation by Richard J. Webb, John K. Lodge, Sophie S. Scott, Ian G. Davies

    Published 2025-01-01
    “…However, the addition of salts may disrupt their molecular composition. Therefore, the aim of the present study was to assess the impact of SBUC upon the molecular composition of low-density lipoprotein (LDL) particles, compared to a validated non-salt method involving iodixanol gradient ultracentrifugation (IGUC). …”
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  12. 512

    GENERATION AND COLLECTION OF TOBACCO AEROSOL FOR SHISHA by N. N. Bubnova, M. V. Shkidyuk

    Published 2020-11-01
    “…Qualitative characteristics of tobacco aerosol for shisha are determined by the functional purpose and depend on the component composition of the tobacco mixture and the coal used.The purpose of the research is to develop a methodology for the comprehensive assessment of tobacco for shisha based on modern methods of product quality control and includes the following steps:- monitoring of the studies to determine the component composition of the hookah mixture and the aerosol produced;- analysis of hookah mixture testing modes and development of an aerosol generation protocol;- development of a method for collecting aerosol on a laboratory smoking machine; - quantitative analysis of toxic analytes by HPLC MS / MS method.Methods have been developed for the machine generation and collection of tobacco aerosol for hookah, taking into account low concentrations of the analyzed toxic substances.The expediency of using the HPLC MS / MS method to determine the quantity of the following substances in tobacco aerosol for shisha has been substantiated:- carbonyl compounds (formaldehyde, acetaldehyde, acrolein) by detection on an electrospray source in the negative polarity mode- tobacco specific nitrosoamines (NNN and NNK) by detection on an electrospray source in the positive polarity mode.During the research laboratory and analytical equipment was used: a five-channel linear CERULEAN SM 405 smoking machine; Thermo Scientific Dionex UltiMate 3000 liquid chromatograph and TSQ Quantiva mass spectrometer.Obtaining experimental data on the quantitative determination of the component composition of the aerosol produced by tobacco for shisha using hookah systems is relevant for assessing toxic characteristics of the product.…”
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  13. 513

    Construction and Research of Guqin Sound Synthesis and Plucking Big Data Simulation Model Based on Computer Synthesis Technology by MingQing Liu

    Published 2022-01-01
    “…The application and economic efficiency evaluation mode of traditional composition in the field of modern music cannot meet the needs of various types of music in China, especially Guqin music. …”
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  14. 514

    Application of Tire Pyrolysis Oil as an Alternative Fuel for Internal Combustion Engines—A Literature Review by Keji Qi, Xuehui Gan

    Published 2025-01-01
    “…This paper systematically describes the TPO productions, composition, properties, and application methods in IC engines, such as binary blend, ternary blend, dual fuel mode, and spark ignition (SI) mode. …”
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  15. 515

    Modeling of the Penultimate Unit Effect in Chain-Growth Copolymerizations by Fabricio Machado

    Published 2019-01-01
    “…The present work addresses the modeling and simulation of the addition of copolymerizations of styrene and methyl methacrylate in batch mode, and the formation of tailored vinyl acetate/acrylic acid copolymers is evaluated through stochastic optimization procedures based on the Monte Carlo method. …”
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  16. 516

    Analysis of the Efficiency of Technologies for Extraction Carbon Dioxide from Combustion Products by V. A. Sednin, R. S. Ignatovich

    Published 2022-12-01
    “…With the same method, the highest degree of purity of the resulting carbon dioxide is observed, viz. 86 % taking into account water vapor and 99 % if it is dry. …”
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  17. 517

    AI-enabled workforce integration: blended human resource contribution rate in Chinese companies by Kexin Zhang, Cisheng Wu, Manman Ge, Teng Liu

    Published 2025-07-01
    “…IntroductionWith the development of AI technology, the employment mode of companies is undergoing unprecedented changes.MethodsThe paper defines the composition of blended human resources of a company as three types of formal employees, flexible workers and intelligent machine workers, constructs a blended human resource contribution rate calculation method based on BP-MIV, and analyzes the data of automobile manufacturing companies in 2022.ResultsThe results show that the contribution rate of blended human resources to company performance is 73.81%. …”
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  18. 518

    Development of technology of centrifugal electroslag casting by A. G. Janishevskaja

    Published 2002-08-01
    “…In this article there is described the process of slugs production by the method of centrifugal electroslag casting. There is presented the developed the mathematical kinetics model of interaction of metal, slag and gas at electroslag casting at all stages of technological process — from burning-off to crystallization of casting in mode. …”
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  19. 519

    A comprehensive approach for detection of biotin deficiency from dried blood spot samples using liquid chromatography-mass spectrometry by Arya Raveendran, Ashutosh Gupta, Leslie E Lewis, Krishnananda Prabhu, Sudheer Moorkoth

    Published 2024-12-01
    “…Materials & methods: The method was developed on a liquid chromatography-mass spectrometry system using pentafluorophenyl column employing a mobile phase composition of methanol and water in the isocratic mode. …”
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  20. 520

    Communication Network Design of the Control System for Central Distributed PV System Based on CAN Bus by REN Yi, WANG Nan, CHEN Yifeng, ZHU Qiliang

    Published 2020-01-01
    “…In order to improve communication real-time performance and configuration flexibility of control system of D&C(central distributed) PV system, this paper adopted CAN bus with multi-master communication mode to replace RS485 bus with master-slave communication mode, and proposed a method of setting initial priority by memory balance based on CAN dynamic priority assignment algorithm. …”
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