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Experimental and analytical investigation on friction resistance force between buried coated pressurized steel pipes and soil

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Frontiers of Structural and Civil Engineering 2024年第4期18卷 615-629页

作者： Shaurav ALAM tanvir manzur John MATTHEWS Chris BARTLETT Erez ALLOUCHE Brent KEIL John KRAFT Department of Civil Engineering and Construction Engineering Technology Louisiana Tech UniversityRustonLA 71270USA Department of Civil Engineering Bangladesh University of Engineering and TechnologyDhaka 1000Bangladesh Georgia Tech Research Institute AtlantaGA 30332USA Stantec Inc. Edmonton T5J0K4Canada North West Pipe Company VancouverWA 98684USA

This paper presents an analytical approach for estimating frictional resistance to pipe movement at soil and external pipe surface of buried coated pressurized steel pipes relative to the internal thrust *** proposed analytical method was developed based on 36 experiments,which involved three coating types(cement mortar(CM),polyurethane type-I(PT-I),prefabricated plastic tape(PPT))on pipes’surfaces,three different soils(pea-gravel(PG),sand(S),silty-clay(SC)),and four simulated over burden depths above the pipe’s *** showed frictional resistance decreased with increasing over burden depth above the pipe’s *** degree of frictional resistance at the pipe-soil interface was found to be in the order of PG>SC>S for all coating variations and overburden *** coated pipe buried in all three types of soil produced significantly higher frictional resistance as compared to other coating *** on experimental data,the developed analytical introduced a dimensionless factor“Z”,which included effects of types of coatings,soil,and overburden depths for simplified rapid *** showed that the method provided a better prediction of frictional resistance forces,in comparison to previous analytical methods,which were barely close in predicting friction resistance for different coating variations,soil types,and overburden *** resistance force values reported herein could be considered conservative.

关键词： friction resistance force thrust force coated pressurized steel pipe soil type overburden depth

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Comparative analysis of real-world data of frequent treatment sequences in metastatic prostate cancer

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Current Urology 2024年第2期18卷 104-109页

作者： Jiten Jaipuria Ishleen Kaur Mohammad Najmud Doja tanvir Ahmad Amitabh Singh Sudhir Kumar Rawal Vineet Talwar Girish Sharma Uro-oncology division Rajiv Gandhi Cancer Institute and Research CentreNew DelhiIndia Amity Centre for Cancer Epidemiology and Cancer Research Amity Institute of BiotechnologyAmity UniversityNoidaIndia School of Engineering and Technology Vivekananda Institute of Professional Studies–Technical CampusNew DelhiIndia Department of Computer Engineering Jamia Millia IslamiaNew DelhiIndia Indian Institute of Information Technology SonepatIndia Department of MedicalOncology Rajiv Gandhi Cancer Institute and Research CentreNew DelhiIndia

Background:The incidence of prostate cancer is increasing worldwide.A significant proportion of patients developmetastatic disease and are initially prescribed androgen deprivation therapy(ADT).However,subsequent sequences of treatments in real-world settings that may improve overall survival remain an area of active *** and methods:Data were collected from 384 patients presenting with de novo metastatic prostate cancer from 2011 to 2015 at a tertiary cancer *** were categorized into surviving(n=232)and deceased(n=152)groups at the end of 3 *** sequence pattern mining techniques(Generalized Sequential Pattern Mining and Sequential Pattern Discovery using Equivalence Classes)were applied to determine the exact order of the most frequent sets of treatments in each ***:Degarelix,as the initial form of ADT,was uniquely in the surviving *** sequence of ADT followed by abiraterone and docetaxel was uniquely associated with a higher 3-year overall *** followed by fosfestrol was found to have a unique niche among surviving patients with a long duration of response to the initial *** who received chemotherapy followed by radiotherapy and those who received radiotherapy followed by chemotherapy were found more frequently in the deceased ***:We identified unique treatment sequences among surviving and deceased patients at the end of 3 *** should be the preferred formof *** who received ADT followed by abiraterone and chemotherapy showed better *** requiring palliative radiation and chemotherapy in any sequence were significantlymore frequent in the deceased group,identifying the need to offer such patients the most efficacious agents and to target them in clinical trial design.

关键词： Hormone therapy Metastatic prostate cancer Sequence mining Survival

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MAX-DOAS and in-situ measurements of aerosols and trace gases over Dongying,China:Insight into ozone formation sensitivity based on secondary HCHO

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Journal of Environmental Sciences 2024年第1期135卷 656-668页

作者： Xiaojun Zheng Zeeshan Javed Cheng Liu Aimon tanvir Osama Sandhu Haoran Liu Xiangguang Ji Chengzhi Xing Hua Lin Daolin Du Institute of Environment and Ecology School of the Environment and Safety EngineeringJiangsu UniversityZhenjiang 212013China Department of Precision Machinery and Precision Instrumentation University of Science and Technology of ChinaHefei 230026China Key Laboratory of Environmental Optics&Technology Anhui Institute of Optics and Fine MechanicsHefei Institutes of Physical ScienceChinese Academy of SciencesHefei 230031China Center for Excellence in Regional Atmospheric Environment Institute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes University of Science and Technology of ChinaHefei 230026China Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention(LAP3) Department of Environmental Science and EngineeringFudan UniversityShanghai 200433China National Agromet Center Pakistan Meteorological DepartmentIslamabad 44000Pakistan Institute of Physical Science and Information Technology Anhui UniversityHefei 230601China Information Materials and Intelligent Sensing Laboratory of Anhui Province Anhui UniversityHefei 230601China School of Environmental Science and Optoelectronic Technology University of Science and Technology of ChinaHefei 230026China

This study presents a comprehensive overview of the atmospheric pollutants including Sulfur dioxide(SO_(2)),Nitrogen dioxide(NO_(2)),Formaldehyde(HCHO),Particulate Matter PM;PM_(10):diameter≤10μm,and PM_(2.5):diameter≤2.5μm,and Ozone(O_(3)),over Dongying(Shandong Province)from March-April 2018 and September-October 2019 by employing ground-based Multiple Axis Differential Optical Absorption Spectroscopy(MAX-DOAS)observations along with the in-situ measurements attained by the national air quality monitoring *** concentrations of SO_(2)and NO_(2)were under the acceptable level,while both PM_(2.5),and PM_(10)were higher than the safe levels as prescribed by national and international air quality *** results depict that 21%of the total observation days were found to be complex polluted days(PM_(2.5)>35μg/m^(3) and O_(3)>160μg/m^(3)).The secondary HCHO was used for accurate analysis of O_(3)sensitivity.A difference of 11.40%and 10%during March-April 2018 and September-October 2019 respectively in O_(3)sensitivity was found between HCHO_(total)/NO_(2)and HCHO_(sec)/NO_(2).The results indicate that primary HCHO have significant contribution in HCHO.O_(3)formation predominantly remained to be in VOC-limited and transitional regime during March-April 2018 and September-October 2019 in *** results imply that concurrent control of both NO_(x) and VOCs would benefit in ozone ***,the criteria pollutants(PM,SO_(2),and NO_(2))depicted strong correlations with each other except for O_(3)for which weak correlation coefficient was obtained with all the *** study will prove to be baseline for designing of air pollution control strategies.

关键词： MAX-DOAS Trace gases Ozone sensitivity Secondary HCHO Complex Pollution

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Are Socially Responsible Banks More Risk Averse and Dividends Providers?Empirical Evidence from a Developing Economy

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Journal of Sustainable Business and Economics 2024年第2期7卷 1-20页

作者： Md.Al Amin Rana Sikder tanvir Rahman Sohan Department of Accounting Mawlana Bhashani Science and Technology University Department of Management Mawlana Bhashani Science and Technology University

Purpose:This study examines whether socially responsible firms are uninterested in risk-taking and whether socially responsible banks are more dividend providers than socially irresponsible *** conducted the analysis using the least-squares method for 290-panel data observations of 32 commercial banks operating in Bangladesh from 2008 to ***:We employed Ordinary Least Squares Regression for 290-panel data observations of 32 commercial banks operating in Bangladesh from 2008 to 2018 using EViews software ***,we conducted descriptive analysis and correlations using SPSS *** considered CSRI and CSRPI as the indicators of corporate social responsibility,dividend per share and stock dividend as a proxy of dividend policy,LEV(leverage),and non-performing loan to total loan as the indicators of financial risk,and lastly,Z score as the indicator of financial ***:Studies have shown that banks prioritizing social responsibility tend to pay dividends to their shareholders more frequently and consistently than banks that do *** particular,banks that invest heavily in corporate social responsibility(CSR)tend to maintain a stable dividend payout,which can help address agency problems that arise from overinvestment in the CSR ***,we found that banks that make huge expenditures on CSR also seem to have a low eagerness for ***,we found that the financial stability of a socially responsible bank is high and stable enough,which will help efficiently handle the bank’s financial risks,reduce price fluctuations,and increase financial assets that generally influence a bank’s monetary ***:Banks implementing fruitful CSR strategies can produce substantial shareholder advantages through high dividend payout *** expansion in CSR-related expenditure does not prompt a cut-down or reduce the portion of income paid out as dividends to ***,the Output of our study will

关键词： Corporate Social Responsibility Business stability Risk Stakeholders Dividend policy Bangladesh

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Multi-species probiotics enhance survival,growth,intestinal microbiota and disease resistance of rohu(Labeo rohita)larvae

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Water Biology and Security 2024年第1期3卷 71-79页

作者： Zannatul Ferdous Md Kabir Hossain Md Hadiuzzaman SMRafiquzzaman KM Abdul Halim tanvir Rahman Md Ali Reza Faruk Zulhisyam Abdul Kari Md Shahjahan Laboratory of Fish Ecophysiology Department of Fisheries ManagementBangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Aquaculture Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Fisheries Matshoy BhabanDhakaBangladesh Department of Fisheries Biology&Aquatic Environment Bangabandhu Sheikh Mujibur Rahman Agricultural UniversityGazipur1706Bangladesh Department of Agricultural Sciences Faculty of Agro-Based IndustryUniversiti Malaysia KelantanJeli Campus17600JeliKelantanMalaysia

Multi-strain probiotics provide the most dependable approaches to improve health,immune response,and disease resistance in farmed *** the present study,we examined the effects of multi-species probiotics on the survival,growth,immune response,and disease resistance of rohu(Labeo rohita)*** hatched larvae from the day of first feeding(average weight of 0.003 g)were reared with multi-species probiotics having a combination of Bacillus subtilis(109 colony forming units(cfu)/mL)and Lactobacillus spp.(Lactobacillus plantarum,Lactobacillus buchneri-1011 cfu/mL)in water containing doses of 0(control-C),0.5 mL/L(treatment 1-T1),and 1.0 mL/L(treatment 2-T2)in triplicates for 90 *** the experiment,a challenge test was performed to assess the fish's resistance to pathogenic Aeromonas *** higher survival was recorded in larvae of treated groups(87%in T2 and 79%in T1)compared to the control(62%).Significantly higher growth performance(weight gain and specific growth rate—SGR)was shown by the probiotic-treated larval groups compared to the *** supplementation resulted in significantly higher counts of total viable colony(TVC)and lactic acid bacteria(LAB)in the *** immunological parameters(mucosal fold fattening,goblet cell abundance,expansion of lamina propria and enterocytes)of the gut were significantly better in probiotic-treated *** liver of treated fish showed irregular shape nuclei turning into regular shape and reducing spaces between the hepatic ***-treated fish had the highest post-challenge survival rate(90%)against *** *** erythrocytes of challenged fish treated with probiotics had significantly lower frequencies of various nuclear and cellular *** findings suggest that multi-species probiotic supplements could improve the survival,growth,health status,and immune response of rohu in the early stages of its development.

关键词： Aquaculture Disease resistance Immunity Labeo rohita Probiotics

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Is the Sundarbans of Bangladesh in a State of Pollution?

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Open Journal of Forestry 2024年第1期14卷 19-41页

作者： Mahmood Hossain Chameli Saha Sanjoy Saha Hawlader Mohammed Nurul Islam Mushfiq Ahmed tanvir Ahmed Abdul Halim Farhad Sikder Md. Mutasim Billah Forestry and Wood Technology Discipline Khulna University Khulna Bangladesh Institute for Integrated Studies on the Sundarbans and Coastal Ecosystems (IISSCE) Khulna University Khulna Bangla-desh Ecology Forestry and Biodiversity Division Center for Environmental and Geographic Information Services (CEGIS) Dhaka Bangladesh

The Sundarbans is the world’s most extensive natural mangrove forest and home to various natural resources. The population in the vicinity has increased, causing more dependency on the resources of the Sundarbans. The increasing industrialization, urbanization, aquaculture, intensive agricultural practices, seaports, tourism facilities, and so on in the peripheral areas of the Sundarbans have made significant changes in the surrounding and upstream land uses of the Sundarbans. This situation may have detrimental influences on the ecosystem components of the Sundarbans. Therefore, it is highly demanded to prepare a piece of baseline information or database of different sources of pollution and their present status in the various components of the Sundarbans. This effort helps to identify issues and concerns, determine the key elements of the ecosystem to monitor the level or overall quality of the Sundarbans ecosystem. The present study systematically collects the potential sources of pollution, types, and current levels in the ecosystem components of the Sundarbans using academic databases, libraries, and online resources. Discharge of industrial waste into water, soil and air, heavy metal pollution, use of agrochemicals, oil (refined and crude) pollution, plastic materials from urban areas, and tourism are the major issues and concerns related to the sustainability of the Sundarbans ecosystem. The air quality of the Sundarbans is in good condition with 0 - 50 AQI of Bangladesh. While BOD, COD, TDS, TSS varied from 2.0 to 3.8 mg/L, 21.6 to 416 mg/L, 146.9 to 24,100 mg/L and 54 to 155 mg/L, respectively. Soil EC, organic carbon, total nitrogen, and total phosphorus ranged from 3.01 - 5.82 mS/cm, 1.41% - 2.69%, 0.51 - 1.05 mg/g, and 0.32 - 0.51 mg/g respectively. The air, water and soil quality parameters varied with the sites and seasons and not much at the state of contamination. Indeed, we must pay much attention to the Sundarbans’ air, water and soil quality with

关键词： Ecosystem Mangroves Monitoring Pollution Soil Sundarbans

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Ultra-high-performance liquid chromatography-quadrupole time-of-flight-mass spectrometry-characterized extract of Aerides odorata Lour alleviates paracetamol-induced hepatotoxicity in animal model evidenced by biochemical,molecular,and computational studies

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Animal Models and Experimental Medicine 2024年第4期7卷 497-522页

作者： A.M.Abu Ahmed Md.Atiar Rahman Farjana Sharmen A.S.M.Ali Reza Md.Shahidul Islam Md.Mamunur Rashid Md.Khalid Juhani Rafi tanvir Ahmed Siddiqui Md.Muzahid Ahmed Ezaj Srabonti Saha Md.Nazim Uddin Walla Alelwani Department of Genetic Engineering and Biotechnology University of ChittagongChittagongBangladesh Department of Biochemistry and Molecular Biology University of ChittagongChittagongBangladesh Department of Pharmacy International Islami University ChittagongChittagongBangladesh Institute of Food Science and Technology Bangladesh Council of Scientific and Industrial ResearchDhakaBangladesh Department of Biochemistry College of ScienceUniversity of JeddahJeddahSaudi Arabia

Background:Many kinds of orchids have significant health benefits although ade-quate research on their biological functions is yet to be carried *** study inves-tigated the paracetamol-induced liver damage-protecting effect of epiphytic Aerides odorata methanol extract(AODE).Methods:The protective effects of AODE were studied by analyzing its effect on liver function parameters,messenger RNA(mRNA)expression,and tissue histopatho-logical *** results were confirmed by ligand-receptor interaction of molecular docking and multitarget interaction of network pharmacological ***:AODE significantly(p<0.05)minimized the dose-dependent increase in acid phosphatase,aspartate aminotransferase,alanine aminotransferase,alkaline phos-phatase,γ-glutamyl transferase,lactate dehydrogenase,and total bilirubin compared to the reference drug *** level decreased,and the antioxidant genes catalase(CAT),superoxide dismutase(SOD),β-actin,paraoxonase-1(PON1),and phosphofructokinase-1(PFK-1)were upregulated in AODE-treated paracetamol-intoxicated rats.A total of 376 compounds comprising phenols and flavonoids were identified using ultra-high-performance liquid chromatography-quadrupole time-of-flight-mass spectrometry(UPLC-qTOF-MS).The online toxicity assessment using SwissADME and admetSAR exhibited drug-like,nontoxic,and potential pharmaco-logical ***,in silico analysis showed that isoacteoside,one of the identified compounds,exhibited the best docking score(−11.42)with the liver pro-tein human pituitary adenylate cyclase-1(Protein Data Bank ID:3N94).Furthermore,network pharmacology analysis identified the top 10 hub genes,namely AKT1(protein kinase B),CTNNB1(catenin beta-1),SRC(proto-oncogene c-Src),TNF(tumor necrosis factor),EGFR(epidermal growth factor receptor),HSP90AA1(heat shock protein 90α),MAPK3(mitogen-activated protein kinase 3),STAT3(signal transducer and activator of transcription 3),CASP3(caspase protein),

关键词： Aerides odorata animal model mRNA expression PCM-induced hepatotoxicity UPLC-qTOF-MS

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Computational Design and Fabrication of a Bending-Active Structure Using Fiberglass:A Bioinspired Pavilion Mimicking Marine Microorganism Radiolaria

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Journal of Bionic Engineering 2022年第2期19卷 471-482页

作者： Bosheng Liu tanvir R.Faisal School of Architecture and Design University of Louisiana at LafayetteLafayetteLA 70503USA Department of Mechanical Engineering University of Louisiana at LafayetteLafayetteLA 70503USA

Bio-inspired architectural designs are often superior for their aesthetics and structural *** forms and loading states of a biological structure is complex as it requires a delicate balance among geometry,material properties,and interacting *** goal of this work is to design a biomimetic,ultra-lightweight,bending-active structure utilizing an informed integral design approach,and thereby constructing a self-supporting cellular pavilion.A bioinspired pavilion has been designed and constructed based on the natural cellular organization observed in Radiolaria,a deep-sea *** cellularity was mimicked via Voronoi tessellation in the structure of the pavilion,whose structural performance was evaluated using finite element ***,funicular structure design strategies were studied with a focus on cellular distributions and concentration responding to areas with high structural *** computer aided custom designed pavilion was constructed with engineered,in-house fabricated fiberglass composite *** bending-active lightweight structure was also validated through material performance inquiry,a partial full-scale cellular assembly,and the full-size pavilion *** work contributes to the design approach comprising a bending-active form-finding schematic strategy to construct the elastic bending-active structure physically and simulate computationally within the context of nature inspired innovative lightweight structure design.

关键词： Biomimetic design Double-curved shell pavilion Voronoi tessellation Bending-active structures Finite element analysis

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Autonomous Eyewitness Identification by Employing Linguistic Rules forDisaster Events

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Computers, Materials & Continua 2021年第1期66卷 481-498页

作者： Sajjad Haider Muhammad tanvir Afzal Capital University of Science and Technology Islamabad44000Pakistan

Social networking platforms provide a vital source for disseminating information across the globe,particularly in case of *** platforms are great mean to find out the real account of the *** is an example of such platform,which has been extensively utilized by scientific community due to its unidirectional *** is considered a challenging task to identify eyewitness tweets about the incident from the millions of tweets shared by twitter *** community has proposed diverse sets of techniques to identify eyewitness account.A recent state-of-the-art approach has proposed a comprehensive set of features to identify eyewitness ***,this approach suffers some ***,automatically extracting the feature-words remains a perplexing task against each feature identified by the ***,all identified features were not incorporated in the *** paper has utilized the language structure,linguistics,and word relation to achieve automatic extraction of feature-words by creating grammar ***,all identified features were implemented which were left out by the state-of-the-art model.A generic approach is taken to cover different types of disaster such as earthquakes,floods,hurricanes,and *** proposed approach was then evaluated for all disaster-types,including earthquakes,floods,hurricanes,and *** on the static dictionary,the Zahra et *** was able to produce an F-Score value of 0.92 for Eyewitness identification in the earthquake *** proposed approach secured F-Score values of 0.81 in the same *** score can be considered as a significant score without using a static dictionary.

关键词： Grammar rules social media eyewitness identification disaster response

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Biomaterial-based in vitro 3D modeling of glioblastoma multiforme

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Cancer Pathogenesis and Therapy 2023年第3期1卷 177-194页

作者： tanvir Ahmed Department of Pharmaceutical Sciences North South UniversityBashundharaDhaka1229Bangladesh

Adult-onset brain cancers,such as glioblastomas,are particularly *** with glioblastoma multiforme(GBM)do not anticipate living for more than 15 months if there is no *** results of conventional treatments over the past 20 years have been *** aggressiveness,location,and lack of systemic therapies that can penetrate the blood–brain barrier are all contributing *** GBM treatments that appear promising in preclinical studies,there is a considerable rate of failure in phaseⅠandⅡclinical ***,access becomes impossible due to the intricate architecture of *** vitro,bioengineered cancer models are currently being used by researchers to study disease development,test novel therapies,and advance specialized *** different techniques for creating in vitro systems have arisen over the past few decades due to developments in cellular and tissue ***-stage research may yield better results if in vitro models that resemble brain tissue and the blood–brain barrier are *** the use of 3D preclinical models made available by biomaterials,researchers have discovered that it is possible to overcome these *** in vitro models for the treatment of GBM are possible using biomaterials and novel drug *** review discusses the benefits and drawbacks of 3D in vitro glioblastoma modeling systems.

关键词： Glioblastoma multiforme Biomaterials In vitro 3D modeling Bioengineering

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