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Assessment of the Solid Waste Disposal Method during COVID-19 Period Using the ELECTRE Ⅲ Method in an Interval-Valued q-Rung Orthopair Fuzzy Approach

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Computer Modeling in Engineering & Sciences 2022年第6期131卷 1229-1261页

作者： Samayan Narayanamoorthy Arumugam Anuja J.V.Brainy thangaraj manirathinam Subramaniam Pragathi Thirumalai Nallasivan Parthasarathy Daekook Kang Department of Mathematics Bharathiar UniversityCoimbatore641046India Department of Industrial and Management Engineering Inje UniversityGimhae50834Korea

As the quantity of garbage created every day rises,solid waste management has become the world’s most important *** a result,improper solid waste disposal and major sanitary issues develop,which are only detected after they have become *** to the system’s lockdown during the COVID-19 pandemic,this scenario became much more *** are at the stage to develop and execute effective waste management procedures,as well as long-term policies and forward-thinking programmes that can work even in the most adverse of *** incorporate major solid waste(organic and inorganic solid wastes)approaches that actually perform well in normal cases by reducing waste and environmental disasters;however,in such an uncertain scenario like the COVID-19 pandemic,the project automatically allows for a larger number of criteria,all of which are dealt with using fuzzy Multi-Criteria Group Decision Making(MCGDM)*** ELECTRE Ⅲ(ELimination Et Choice Translating REality-Ⅲ)approach,which is a novel decision-making strategy for determining the best way to dispose and reduce garbage by combining traditional ELECTRE Ⅲ with an interval-valued q-rung orthopair fuzzy set(IVq-ROFS),is described in detail in this *** confirm the efficacy of the recommended model,a numerical explanation is provided,as well as sensitivity and comparative ***,the findings encourage decision-makers in authorities to deliberate about the proposals before creating solid waste management policies.

关键词： MCDM organic waste inorganic waste ELECTREⅢ interval-valued q-rung orthopair fuzzy number

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Unknown Environment Measurement Mapping by Unmanned Aerial Vehicle Using Kalman Filter-Based Low-Cost Estimated Parallel 8-Beam LIDAR

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Computers, Materials & Continua 2024年第9期80卷 4263-4279页

作者： Mohamed Rabik Mohamed Ismail Muthuramalingam thangaraj Khaja Moiduddin Zeyad Almutairi Mustufa Haider Abidi Department of Mechatronics Engineering SRM Institute of Science and TechnologySRM NagarKattankulathurChengalpattu DistrictTamil Nadu603203India Advanced Manufacturing Institute King Saud UniversityP.O.Box 800Riyadh11421Saudi Arabia Department of Mechanical Engineering College of EngineeringKing Saud UniversityP.O.Box 800Riyadh11421Saudi Arabia

The measurement and mapping of objects in the outer environment have traditionally been conducted using ground-based monitoring systems,as well as *** recently,unmanned aerial vehicles have also been employed for this *** accurate detection and mapping of a target such as buildings,trees,and terrains are of utmost importance in various applications of unmanned aerial vehicles(UAVs),including search and rescue operations,object transportation,object detection,inspection tasks,and mapping ***,the rapid measurement and mapping of the object are not currently achievable due to factors such as the object’s size,the intricate nature of the sites,and the complexity of mapping *** present system introduces a costeffective solution for measurement and mapping by utilizing a small unmanned aerial vehicle(UAV)equipped with an 8-beam Light Detection and Ranging(LiDAR)*** approach offers advantages over traditional methods that rely on expensive cameras and complex algorithm-based *** reflective properties of laser beams have also been *** system provides prompt results in comparison to traditional camerabased surveillance,with minimal latency and the need for complex *** Kalman estimation method demonstrates improved performance in the presence of *** measurement and mapping of external objects have been successfully conducted at varying distances,utilizing different resolutions.

关键词： 8 beam LiDAR UAV measurement mapping Kalman filter

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Generation of ultra-wide and flat optical frequency comb based on electro absorption modulator

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Optoelectronics Letters 2018年第3期14卷 185-188页

作者： Ujjwal Jaisingh thangaraj Department of Electronics Engineering Indian Institute of Technology (Indian School of Mines)

A novel technique is proposed for the generation of ultra-wide and flat optical frequency comb(OFC)based on serially cascading three stages of electro absorption modulators(EAMs)through sinusoidal radio frequency(RF)signals by setting frequencies at f GHz,f/2 GHz and f/4 ***,the first stage acts as subcarrier generator,the second stage acts as subcarrier doubler,and the third stage acts as subcarrier *** addition,a higher number of subcarriers can easily be generated by adjusting the driving sinusoidal RF *** this paper,cascading three stages of EAMs driven by50 GHz,25 GHz and 12.5 GHz clock sources,we obtain 272 subcarriers with spacing of 2.5 GHz and power deviation within 1 d *** analysis of serially cascaded EAMs for subcarrier generation is also *** analysis and simulation of this technique are demonstrated.

关键词： Generation of ultra-wide and flat optical frequency electro absorption modulator

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Scope of biodiesel from oils of woody plants:a review

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Clean Energy 2020年第2期4卷 89-106页

作者： Baskar thangaraj Pravin Raj Solomon Pilot Plant Development and Training Institute King Mongkut’s University of Technology ThonburiBangkhuntienchaitalay RoadThakamBangkok-10150Thailand School of Chemical and Biotechnology SASTRA-Deemed UniversityThanjavur-613402Tamil NaduIndia

Non-edible oils obtained from chosen non-conventional woody plants are considered as potential raw materials for biodiesel *** plants mostly grow in *** characteristics of these oils as raw material are very much in tune with the properties of biodiesel such as long-chain hydrocarbon,having an adequate level of unsaturation with branched *** primary methods are being followed to make biodiesel from vegetable *** are direct use through blending,microemulsion,thermal cracking(pyrolysis)and ***-edible oil would eliminate the issue of food vs *** biodiesel manufactured from oils of woody plants may partially reduce the demand for liquid-fuel energy and addresses the environmental consequences of using fossil *** from a total of 17 species of woody plants(Angiosperms)belonging to 14 families are considered in this *** habit,habitat and geographical distribution of each species are also *** physico-chemical properties of their oil,with special reference to the fatty-acid profile that ultimately decides the characteristics of the biodiesel prepared from them,are reviewed.

关键词： woody plant oils biodiesel transesterification biodiesel properties

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Antidiabetic activity of aqueous root extract of Merremia tridentata(L.) Hall,*** streptozotocin-induced—diabetic rats

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Asian Pacific Journal of Tropical Medicine 2012年第3期5卷 175-179页

作者： Karuppusamy Arunachalam thangaraj Parimelazhagan Bioprospecting Laboratory Department of BotanyBharathiar University

Objective:To investigate the antidiabetic effect of aqueous extract of Merremia Iridentala (***) root(MTRAE) in normal,glucose-loaded hyperglycemic and streptozotoein(STZ)induced diabetic ***:Oral administration of MTRAE at the doses of 50,100 and 150 nig/kg was studied in normal,glucose-loaded and STZ-diabetie *** three doses caused significant reduction in blood glucose levels in all the ***:The effect was more pronounced in 100 and 150 mg/kg than 50 mg/*** also showed significaut increase in serum insulin,body weight and glycogen content in liver and skeletal muscle of STZ-induced dialietie rats while there was significant reduction in the levels of serum triglyceride and total *** also showed significant antilipidperoxidative effect in the pancreas of STZinduced diabetic *** antidiabetic effect of *** was compared with glibenclamide. a well known hypoglycemic ***:The results indicate that aqueous extract of M. tridentata root possesses significant antidiabetic activity.

关键词： Merremia tridentata root Streptozotocin Aqueous root extract Antihyperlipidemic Antilipidperoxidative

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Isolation and molecular characterization of bioactive secondary metabolites from Callyspongia *** fungi

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Asian Pacific Journal of Tropical Medicine 2010年第9期3卷 738-740页

作者： Meenupriya J thangaraj M Department of Biotechnology Sathyabama University Rajiv Gandhi SalaiChennai-119TamilnaduIndia CAS in Marine Biology Annamalai UniversityParangipettai - 608 502.Cuddalore DistrictIndia

Objective:To isolate and characterize the bioactive secondary metabolite from Callyspongia *** ***:In vitro antibacterial screening of fungi associated with Callyspongia species,collected from south east coast of India,against selected clinical isolates of bacteria were conducted in this *** extracts showing good antimicrobial activity were subjected to further analysis to identify the active constituents sponge associated fungi(both biomass and filtrate) with five different *** compound responsible for bioactivity was characterized using Fouvier-transform infrared(FT-IR) and gas chromatography-mass spectrometry(GC-MS) instrumental analysis to identify the functional group and *** molecular characterization of the elite fungal strains were done by isolating their genomic DNA and amplify the internal transcribed spacer(ITS) region of 5.8srRNA using specific ITS primer. The novelty of the strain was proved by BlastN analysis against non-redundant(NR) database and hence was submitted to ***:Active compound was Desmethylnomifensine confirmed by GC-MS and the potent fungi was Aspergillus flavus ***: The isolate exhibits a marked antagonistic activity against potential bacterial pathogens thus illuminating the advanced researches in this decade to focus on clinical pharmacology to identify novel therapeutic *** present study depicts a promising scenario to focus on Aspergillus flavus derived compounds which can be easily scaled up for large biomass production and stable formulation as a drug.

关键词： Callyspongia Sponge associated fungi Bioactive metabolites Anti bacterial activity

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Biodiesel production by the electrocatalytic process: a review

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Clean Energy 2021年第1期5卷 19-31页

作者： Baskar thangaraj Pravin Raj Solomon Pilot Plant Development and Training Institute King Mongkut’s University of Technology ThonburiBangkhuntien-chaitalay RoadThakamBangkok 10150Thailand School of Chemical&Biotechnology SASTRA-Deemed UniversityThanjavur 613401Tamil NaduIndia

Biodiesel-an impressive alternative fuel with favourable physico-chemical properties having environmental benefits-is prepared from vegetable ***,the cost is one of the main hurdles in commercializing *** production by conventional transesterification processes needs high ambient temperature and a specialized *** to the multifaceted adversities of many of the catalysts,there is active consideration for an electrocatalytic process that does not require elevated *** addition,an electrocatalytic process is carried out in the presence or absence of a catalyst or *** this review,various parameters such as electrolysis voltage,stirring rate,electrode type,water content,co-solvent type,reaction temperature,reaction duration,oil-to-methanol molar ratio and concentration of NaCl affecting the electrocatalytic transesterification process are presented.

关键词： electrolysis electrocatalytic reactor electrodes transesterification biodiesel

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AN M/M/C RETRIAL QUEUEING SYSTEM WITH BERNOULLI VACATIONS

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Journal of Systems Science and Systems Engineering 2009年第2期18卷 222-242页

作者： B.Krishna KUMAR R.RUKMANI V.thangaraj Department of Mathematics College of EngineeringAnna UniversityChennai600 025India Department of Mathematics Pachaiyappa's CollegeChennai600030India Ramanujan Institute for Advanced Study in Mathematics University of MadrasChennai600 005India

In this paper, a steady-state Markovian multi-server retrial queueing system with Bernoulli vacation scheduling service is studied. Using matrix-geometric approach, various interesting and important system performance measures are obtained. Further, the probability descriptors like ideal retrial and vain retrial are provided. Finally, extensive numerical illustrations are presented to indicate the quantifying nature of the approach to obtain solutions to this queueing system.

关键词： Retrial queue Bernoulli vacation matrix-geometric methods busy period vain retrial ideal retrial

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Need for operational simplicity and timely disbursal of benefits—a qualitative exploration of the implementation of a direct benefit transfer scheme for persons with tuberculosis in India

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Infectious Diseases of Poverty 2024年第3期13卷 58-72页

作者： Malu Mohan Jeromie W.V.thangaraj Sumit Pandey G.Sri Lakshmi Priya Sivavallinathan Arunachalam Rahul Sharma Hemant Deepak Shewade B.Aishwarya K.Afeeq Afsana Khatoon B.Gokulvijay Gude Sireesha Kavita Chandra S.Nandhakumar Prince Samuel C.Nanditha Viswanathan Devika Shanmugasundaram Raghuram Rao Manoj V.Murhekar Kathiresan Jeyashree Indian Council of Medical Research-National Institute of Epidemiology R-127TNHBAyapakkamChennaiTamil Nadu 600077India TB Support Network WHO Country Office for IndiaNew DelhiIndia Central Tuberculosis Division Government of IndiaNew DelhiIndia

Background Ni-kshay Poshan Yojana(NPY)is a direct benefit transfer scheme of the Government of India introduced in 2018 to support the additional nutritional requirements of persons with TB(PwTB).Our recent nationwide evaluation of implementation and utilization of NPY using programmatic data of PwTB from nine randomly selected Indian states,reported a 70%coverage and high median delay in benefit *** undertook a qualitative study between January and July 2023,to understand the detailed implementation process of NPY and explore the enablers and barriers to effective implementation and utilization of the NPY *** We followed a grounded theory approach to inductively develop theoretical explanations for social phenomena through data generated from multiple *** conducted 36 in-depth interviews of national,district and field-level staff of the National Tuberculosis Elimination Programme(NTEP)and NPY beneficiaries from 30 districts across nine states of India,selected using theoretical *** analytical framework developed through inductive coding of a set of six interviews,guided the coding of the subsequent *** and themes emerged through constant comparison and the data collection continued until theoretical *** Stakeholders perceived NPY as a beneficial *** political commitment from the state administration,mainstreaming of NTEP work with the district public healthcare delivery system,availability of good geographic and internet connectivity and state-specific grievance redressal mechanisms and innovations were identified as enablers of ***,the complex,multi-level benefit approval process,difficulties in accessing banking services,perceived inadequacy of benefits and overworked human resources in the NTEP were identified as barriers to implementation and *** The optimal utilization of NPY is enabled by strong political commitment and challenged by its length

关键词： National Tuberculosis Elimination Programme Nutritional status Direct benefit transfer Implementation Cash transfer scheme Grounded theory India

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In vitro antioxidant,antimicrobial and anti-diabetic properties of polyphenols of Passiflora ligularis *** pulp

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Food Science and Human Wellness 2014年第2期3卷 56-64页

作者： Shanmugam Saravanan thangaraj Parimelazhagan Bioprospecting Laboratory Department of BotanySchool of Life SciencesBharathiar UniversityCoimbatore 641046India

In the present study,anti-radical,anti-diabetic and antimicrobial activities of different solvent extracts of Passiflora ligularis fruits were *** the various solvents,acetone extract displayed maximum total phenolic(640.70 mg GAE/g extract),tannin(214.30 mg GAE/g extract)and flavonoid contents(387.33 mg RE/g extract).Results of antioxidant studies revealed that the acetone extract of fruits possessed an efficient 2,2-diphenyl-1-picryl-hydrazyl(DPPH•)(IC5019.13g/mL),2,2-azinobis(3-ethylbenzothiozoline-6-sulfonic acid)(ABTS•+)(9800.94mol/L trolox equi/g extract),superoxide(78.27%)and nitric oxide(79.95%)radical scavenging activities,ferric reducing antioxidant power(43.06 mmol Fe(II)/mg extract),metal chelating(134.53 mg EDTA/g extract)*** acetone extract of *** fruits also exhibited significant(P<0.005)inhibition activities onα-amylase(82.56%)andα-glucosidase(75.36%)***,the fruits of *** also demonstrated antibacterial activities against Gram(+)and Gram(−)bacteria and inhibited the fungal strains Candida albicans(14.85 mm)and Aspergillus niger(13.91 mm)in the disc diffusion *** of polyphenolics by HPLC showed the presence of ellagic acid,gallic acid,and ***,the results indicate that the fruit pulp of *** can serve as a potential antioxidative and antimicrobial agent in food and pharmaceutical industries.

关键词： inhibited pulp radical

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