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  1. 1841
  2. 1842

    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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  3. 1843

    ACO-NM hybrid optimization calculation method for transit time of oxygen activation logging in CO2 injection profile by WANG Zhengyan, CHEN Meng, YANG Guofeng, LIU Guoquan, PEI Yang, CHEN Qiang

    Published 2025-08-01
    “…Compared with the measured oxygen activation spectrum peak, the Gaussian function exhibited a high degree of morphological similarity. …”
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  4. 1844
  5. 1845
  6. 1846

    Diagnostics and restorative treatment of accommodation astenopia from the position of applied methods, effectiveness and staging: systematic review by I. G. Ovechkin, D. A. Shavshina, E. I. Belikova

    Published 2025-03-01
    “…A systematic review was performed using the RSCI and PubMed databases, with the following search keywords: “accommodation”, “asthenopia”, “computer vision syndrome”, “quality of life”, “visual performance”. The sources were selected according to the criteria of prospective or retrospective studies. …”
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  7. 1847
  8. 1848

    Spectral Properties of Suprathermal Protons Associated with Interplanetary Shocks from WIND/STICS Data by Johann Rubens Mejia-Ott, Brent M. Randol

    Published 2024-01-01
    “…“Suprathermal” designates energies above the bulk, “thermal” solar wind, including inner-source pickup ions, cometary ions, solar energetic particles, and suprathermal tail particles. …”
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  9. 1849

    Exploration of the interaction between antimicrobial peptides and gamma radiation for biosensor development. by Fabiane Modenese Garbim, Marcela Rabelo De Lima, Giulianna Santos Pereira, João Nilton Conceição Bandeira, Álvaro José Mendes-Boareto, Fernando Manuel Araújo-Moreira, N.F.G. Serrano

    Published 2025-06-01
    “…These findings indicate that, although AMPs demonstrate changes in activity as a function of dose and could be explored for biosensing, their functional stability is limited at higher radiation doses. …”
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  10. 1850

    From the WHO framework to integrated senior health and wellness hub program: an implementation journey by Xiaoting Huang, Xiaoting Huang, Hao Yi Tan, Hao Yi Tan, Hao Yi Tan, Pei Ling Er, Amber Wong, Si Qi Lim, Joshua Kuan Tan, Wan Qi Yee, Xiaohui Xin, Lian Leng Low

    Published 2025-07-01
    “…IntroductionAs global populations age, ensuring older adults maintain functional ability and wellbeing is a critical public health priority. …”
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  11. 1851

    Preparation of PET matrix gradient composite fiber membrane for coal mine and Study on the dust filtration-moisture permeability by Gang ZHOU, Zhuo XU, Liwei JIANG, Guanshuang CHEN, Yunlong MA, Rulin LIU, Yongmei WANG

    Published 2025-02-01
    “…Moreover, the distribution of surface elements and functional groups of each fiber membrane was consistent with its feature. …”
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  12. 1852

    Structural Repetition Detector for multi-scale quantitative mapping of molecular complexes through microscopy by Afonso Mendes, Bruno M. Saraiva, Guillaume Jacquemet, João I. Mamede, Christophe Leterrier, Ricardo Henriques

    Published 2025-07-01
    “…Understanding these structures provides insights into their functional roles. While super-resolution microscopy can visualise such patterns, manual detection in large datasets is challenging and biased. …”
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  13. 1853

    Epidemiology of Disability of Adult Population in the Russian Federation by S. N. Puzin, M. A. Shurgaya, N. V. Dmitrieva, G. E. Pogosyan, I. V. Lyalina, A. M. Mammaraeva, T. A. Ivanova, L. S. Idrisova

    Published 2019-11-01
    “…In one elderly patient older than 60 years, on average, four to five different chronic diseases are detected. The accumulation of impaired functions of organs and systems helps to reduce the adaptive capacity of the body and is associated with limited life, which entails an increase in the risks of disability in the elderly and the need for medical and social rehabilitation. …”
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  14. 1854

    Integrating isotopic niche metrics and gut microbiota assembly reveals coexistence mechanisms in subtropical riverine fish by Yaqiu Liu, Xinhui Li, Konstantinos Ar. Kormas, Chunni Kou, Huifeng Li, Yuefei Li, Jie Li

    Published 2025-12-01
    “…Crucially, we identified the similarity of the intestinal microbial community structure is closely related to the degree of overlap of its nutritional ecological niche, indicating functional convergence between host trophic niches and their symbiotic microbiomes.These microbial adaptations facilitate nutritional optimization from varied trophic sources, mediate interspecific resource partitioning, and expand ecological opportunities within the fish community. …”
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  15. 1855

    From Clusters to Communities: Enhancing Wetland Vegetation Mapping Using Unsupervised and Supervised Synergy by Li Wen, Shawn Ryan, Megan Powell, Joanne E. Ling

    Published 2025-07-01
    “…This study addresses these challenges by developing a scalable vegetation classification framework that integrates cluster-guided sample selection, Random Forest modelling, and multi-source remote-sensing data. …”
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  16. 1856

    Identification of single nucleotide polymorphisms (SNPs) potentially associated with residual feed intake in Qinchuan beef cattle by hypothalamus and duodenum RNA-Seq data by Zonghua Su, Chenglong Li, Chaoyun Yang, YanLing Ding, Xiaonan Zhou, Junjie Xu, Chang Qu, Yuangang Shi, Cong-Jun Li, Xiaolong Kang

    Published 2025-04-01
    “…The results of this study will help to increase our understanding of identifying SNPs with significant genetic effects and their potential biological functions.…”
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  17. 1857

    Construction of an Ecological Security Structure in Fuzhou City of Jiangxi Provicne Based on an MCR Model by Chen Qun, Liu Pinghui, Zhu Chuanmin

    Published 2022-04-01
    “…A minimum cumulative resistance (MCR) model was constructed by selecting various land use factors, soil and water conservation function importance, and ecological sensitivity. …”
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  18. 1858

    Energy­Saving Lighting of Agricultural Premises and its Parameters Calculation by L. Yu. Yuferev

    Published 2021-10-01
    “…It has been noted that the LED light sourcesfunctioning has such features that make the application of standard calculation methods impossible. …”
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  19. 1859

    Milk phenomics: leveraging biological bonds with blood and infrared technologies for evaluating animal nutritional and health status by Diana Giannuzzi, Chiara Evangelista, Angela Costa, Giuseppe Conte, Gianluca Neglia, Umberto Bernabucci, Stefano Schiavon, Marcello Mele, Alessio Cecchinato

    Published 2024-12-01
    “…Indeed, monitoring the nutritional and health status becomes paramount, aiming for an early detection of (sub)clinical health impairments. Given the mammary gland’s centrality in high-yielding dairy breeds, it’s unsurprising that the milk matrix provides insights about udder itself but also systemic metabolic function. …”
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  20. 1860