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  • Open Access

    ARTICLE

    Analysis of the Influence of Oxygen Enrichment in the Blast on Temperature Field and NO Generation near the Burner in Reheating Furnace

    Xiaojun Li, Fuyong Su*

    Frontiers in Heat and Mass Transfer, Vol.22, No.3, pp. 719-732, 2024, DOI:10.32604/fhmt.2024.051950

    Abstract In order to study the effect of oxygen-enriched combustion technology on the temperature field and NO emission in the continuous heating furnace, this paper studies the oxygen-enriched combustion of a pushing steel continuous heating furnace in a domestic company. This study utilizes numerical simulation method, establishes the mathematical models of flow, combustion and NO generation combustion process in the furnace and analyzes the heat transfer process and NO generation in the furnace under different air oxygen content and different wind ratio. The research results show that with the increase of oxygen content in the air, More > Graphic Abstract

    Analysis of the Influence of Oxygen Enrichment in the Blast on Temperature Field and NO Generation near the Burner in Reheating Furnace

  • Open Access

    ARTICLE

    Highly Expressed Antisense Noncoding RNA in the INK4 Locus Promotes Growth and Invasion of Renal Clear Carcinoma Cells via the β-Catenin Pathway

    Qingchun Li*, Yuan Tian, Guangrui Hu, Yun Liang, Wei Bai, Hongjun Li

    Oncology Research, Vol.25, No.8, pp. 1373-1382, 2017, DOI:10.3727/096504017X14878509668646

    Abstract Long noncoding RNA (lncRNA) antisense noncoding RNA in the INK4 locus (ANRIL) is involved in several human cancers. However, the role of ANRIL in renal cell carcinoma (RCC) remains unclear. This study aimed to explore whether, and how, ANRIL affects the progression of RCC. First, the expression of ANRIL in clinical tumor tissues and four kinds of RCC cell lines was evaluated. After transfection, cell viability, colony number, apoptosis, migration, and invasion were assessed. The expression of proteins related to apoptosis, epithelial-tomesenchymal transition (EMT), and the β-catenin signaling pathway was then assessed. In addition, the… More >

  • Open Access

    ARTICLE

    Long Noncoding RNA ANRIL Promotes Cervical Cancer Development by Acting as a Sponge of miR-186

    Jun-Jun Zhang*, Dan-Dan Wang*, Chen-Xiang Du, Yan Wang

    Oncology Research, Vol.26, No.3, pp. 345-352, 2018, DOI:10.3727/096504017X14953948675449

    Abstract Cervical cancer is a common malignancy of the female reproductive system. Long noncoding RNAs (lncRNAs) have been reported to modulate tumor progression in multiple cancers. The lncRNA antisense noncoding RNA in the INK4 locus (ANRIL) has been identified as an oncogenic molecular target in several tumors; however, the function and underlying mechanism involved in cervical cancer oncogenesis are still unclear. In the present study, RT-PCR showed that ANRIL expression was significantly upregulated in cervical cancer tumors and cell lines. Nevertheless, ANRIL knockdown transfected with interference oligonucleotide inhibited the proliferation activity and invasive ability, and promoted More >

  • Open Access

    ARTICLE

    Long Noncoding RNA NEAT1 Promotes Proliferation and Invasion via Targeting miR-181a-5p in Non-Small Cell Lung Cancer

    ShiDong Li*†, JiaMei Yang, Yubing Xia, QingXia Fan*, Kun-peng Yang§

    Oncology Research, Vol.26, No.2, pp. 289-296, 2018, DOI:10.3727/096504017X15009404458675

    Abstract Long noncoding RNAs (lncRNAs) have been implicated in various biological processes and pathological conditions, including tumorigenesis. However, the exact roles of NEAT1 and its underlying mechanisms in nonsmall cell lung cancer (NSCLC) remain largely unclear. In the present study, lncRNA NEAT1 was detected to be significantly upregulated in NSCLC tissues and closely associated with advanced TNM stages, lymph node metastasis, distant metastasis, and poor prognosis. Further experiments revealed that lncRNA NEAT1 silencing inhibited cell proliferation and invasion in vitro. In addition, mechanistic analysis showed that lncRNA NEAT1 upregulated the miR-181a-5p-targeted gene HMGB2 through acting as More >

  • Open Access

    ARTICLE

    Analysis of MicroRNA–mRNA Interactions in Stem Cell-Enriched Fraction of Oral Squamous Cell Carcinoma

    Vinitha Richard, Rajesh Raju, Aswathy Mary Paul, Reshmi Girijadevi, Thankayyan Retnabai Santhosh Kumar, Madhavan Radhakrishna Pillai

    Oncology Research, Vol.26, No.1, pp. 17-26, 2018, DOI:10.3727/096504017X14881490607028

    Abstract This study is an integrated analysis of the transcriptome profile microRNA (miRNA) and its experimentally validated mRNA targets differentially expressed in the tumorigenic stem-like fraction of oral squamous cell carcinoma (OSCC). We had previously reported the coexistence of multiple drug-resistant tumorigenic fractions, termed side population (SP1, SP2, and MP2), and a nontumorigenic fraction, termed main population (MP1), in oral cancer. These fractions displayed a self-renewal, regenerative potential and expressed known stemness-related cell surface markers despite functional differences. Flow cytometrically sorted pure fractions of SP1 and MP1 cells were subjected to differential expression analysis of both… More >

  • Open Access

    ARTICLE

    Effect of Kaempferol Enriched Green Polymer-based Encapsulation for Effective Shelf-life Enhancement

    MARIA JENITA, LALITHAPRIYA U, SUKUMAR M*

    Journal of Polymer Materials, Vol.39, No.1-2, pp. 71-87, 2022, DOI:10.32381/JPM.2022.39.1-2.5

    Abstract In this study, a multi-layered green polymer-based packaging composite assembled by active flavonoid Kaempferol grafted with starch-chitosan was prepared, and its characteristics and effect on meat storage, including physicochemical characteristics and antioxidant capacity, were analysed and evaluated at refrigeration conditions given four treatments: CON (control— without coating), SEC (with starch+chitin), P01 (with starch+chitin + 1% of Kaempferol) and P02 (with starch+chitin + 2% of Kaempferol). The addition of Kaempferol increased the antioxidant activity of meat and inhibited the lipid oxidation until day 24 upon migration effect; also improving meat acceptability. The Rancimat induction time confirmed More >

  • Open Access

    ARTICLE

    Enriched Constant Elements in the Boundary Element Method for Solving 2D Acoustic Problems at Higher Frequencies

    Zonglin Li1,2, Zhenyu Gao2, Yijun Liu2,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.138, No.3, pp. 2159-2175, 2024, DOI:10.32604/cmes.2023.030920

    Abstract The boundary element method (BEM) is a popular method for solving acoustic wave propagation problems, especially those in exterior domains, owing to its ease in handling radiation conditions at infinity. However, BEM models must meet the requirement of 6–10 elements per wavelength, using the conventional constant, linear, or quadratic elements. Therefore, a large storage size of memory and long solution time are often needed in solving higher-frequency problems. In this work, we propose two new types of enriched elements based on conventional constant boundary elements to improve the computational efficiency of the 2D acoustic BEM.… More > Graphic Abstract

    Enriched Constant Elements in the Boundary Element Method for Solving 2D Acoustic Problems at Higher Frequencies

  • Open Access

    ARTICLE

    Numerical Simulation of Turbulent Diffusion Flames of a Biogas Enriched with Hydrogen

    Naima Krarraz1,*, Amina Sabeur1, Khadidja Safer2, Ahmed Ouadha1

    FDMP-Fluid Dynamics & Materials Processing, Vol.20, No.1, pp. 79-96, 2024, DOI:10.32604/fdmp.2023.026238

    Abstract Any biogas produced by the anaerobic fermentation of organic materials has the advantage of being an environmentally friendly biofuel. Nevertheless, the relatively low calorific value of such gases makes their effective utilization in practical applications relatively difficult. The present study considers the addition of hydrogen as a potential solution to mitigate this issue. In particular, the properties of turbulent diffusion jet flames and the related pollutant emissions are investigated numerically for different operating pressures. The related numerical simulations are conducted by solving the RANS equations in the frame of the Reynolds Stress Model in combination More > Graphic Abstract

    Numerical Simulation of Turbulent Diffusion Flames of a Biogas Enriched with Hydrogen

  • Open Access

    ARTICLE

    Assessment of Nanoparticle-Enriched Solvents for Oil Recovery Enhancement

    Muayad M. Hasan1,*, Firas K. Al-Zuhairi2, Anfal H. Sadeq1, Rana A. Azeez1

    FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.11, pp. 2827-2835, 2023, DOI:10.32604/fdmp.2023.027746

    Abstract Solvents are generally used to reduce the viscosity of heavy crude oil and ultimately enhance oil recovery. Recently, a new method has been introduced where nanoparticles (NPs) are exploited to induce enhanced oil recovery owing to their ability to improve the mobility ratio, dampen the interfacial tension, and alter rock wettability. This study investigated the integration of nano-alumina (Al2O3) NPs with an n-hexane solvent. In particular, a Brookfield viscometer has been used to measure the crude oil viscosity and it has been found that NPs can effectively lead to a significant decrease in the overall oil More >

  • Open Access

    ARTICLE

    Diagnostic qualité et apurement des données de mobilité quotidienne issues de l’enquête mixte et longitudinale Mobi’Kids

    S. Duroudier1 , S. Chardonnel1, B. Mericskay2 , I. Andre-Poyaud1 , O. Bedel3 , S. Depeau2, T. Devogele4, L. Etienne4, A. Lepetit2, C. Moreau4, N. Pelletier2 , E. Ployon1, K. Tabaka1

    Revue Internationale de Géomatique, Vol.30, No.1, pp. 127-148, 2020, DOI:10.3166/rig.2020.00105

    Abstract Cet article a pour objectif de présenter la méthodologie de diagnostic qualité et d’apurement des données, expérimentée à partir d’une enquête de mobilité individuelle (programme Mobi’Kids). Une première partie revient sur la démarche suivie et pointe l’enjeu de l’évaluation de la qualité de données hétérogènes issues d’une méthode mixte et longitudinale de collecte (suivis GPS, enquêtes, observations). Une deuxième partie établit un diagnostic qualité selon l’origine (GPS, algorithme, enquête) et la nature des erreurs (complétude, précision, cohérence). Ces typologies permettent, dans une troisième partie, de définir d’une chaîne de traitements reproductible visant à améliorer la More >

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