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Switching effect on a two prey-one predator system with strong Allee effect incorporating prey refuge

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International Journal of Biomathematics 2024年第2期17卷 1-50页

作者： sangeeta Saha Guruprasad Samanta Department of Mathematics Indian Institute of Engineering Science and Technology Shibpur Howrah 711103India

In an environment,the food chains are balanced by the prey-predator *** a predator species is provided with more than one prey population,it avails the option of prey switching between prey species according to their ***,prey switching of predators mainly helps to increase the overall growth rate of a predator *** this work,we have proposed a two prey-one predator system where the predator population adopts switching behavior between two prey species at the time of *** the prey population exhibit a strong Allee effect and the predator population is considered to be a generalist *** proposed system is biologically well-defined as the system variables are positive and do not increase abruptly with *** local stability analysis reveals that all the predator-free equilibria are saddle points whereas the prey-free equilibrium is always *** intrinsic growth rates of prey,the strong Allee parameters,and the prey refuge parameters are chosen to be the controlling parameters *** numerical simulation reveals that in absence of one prey,the other prey refuge parameter can change the system dynamics by forming a stable or unstable limit ***,a situation of bi-stability,tri-stability,or even multi-stability of equilibrium points occurs in this *** in presence of the switching effect,the predator chooses prey according to their abundance,so,increasing refuge in one prey population decreases the count of the second prey *** is also observed that the count of predator population reaches a comparatively higher value even if they get one prey population at its fullest quantity and only a portion of other prey ***,in the scarcity of one prey species,switching to the other prey is beneficial for the growth of the predator population.

关键词： Prey-predator model switching effect strong Allee effect prey refuge

Review：Heart Diseases Detection by Machine Learning Classification Algorithms

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Design of a Lightweight Compressed Video Stream-Based Patient Activity Monitoring System

Journal of Harbin Institute of Technology（New Series） 2022年第4期

作者： Pothala Ramya Ashapu Bhavani sangeeta viswanadham

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Computers, Materials & Continua 2024年第1期78卷 1253-1274页

作者： sangeeta Yadav Preeti Gulia Nasib Singh Gill Piyush Kumar Shukla Arfat Ahmad Khan Sultan Alharby Ahmed Alhussen Mohd Anul Haq Department of Computer Science&Applications Maharshi Dayanand UniversityRohtak124001India University Institute of Technology Rajiv Gandhi Proudyogiki VishwavidyalayaBhopal462033India Department of Computer Science College of ComputingKhon Kaen UniversityKhon Kaen40002Thailand Department of Computer Science College of Computer and Information SciencesMajmaah UniversityAl Majmaah11952Kingdom of Saudi Arabia Department of Computer Engineering College of Computer and Information SciencesMajmaah UniversityAl Majmaah11952Kingdom of Saudi Arabia

Inpatient falls from beds in hospitals are a common *** falls may result in severe *** problem can be addressed by continuous monitoring of patients using *** advancements in deep learning-based video analytics have made this task of fall detection more effective and *** with fall detection,monitoring of different activities of the patients is also of significant concern to assess the improvement in their *** computation-intensive models are required to monitor every action of the patient *** requirement limits the applicability of such ***,to keep the model lightweight,the already designed fall detection networks can be extended to monitor the general activities of the patients along with the fall *** by the same notion,we propose a novel,lightweight,and efficient patient activity monitoring system that broadly classifies the patients’activities into fall,activity,and rest classes based on their *** whole network comprises three sub-networks,namely a Convolutional Neural Networks(CNN)based video compression network,a Lightweight Pose Network(LPN)and a Residual Network(ResNet)Mixer block-based activity recognition *** compression network compresses the video streams using deep learning networks for efficient storage and retrieval;after that,LPN estimates human ***,the activity recognition network classifies the patients’activities based on their *** proposed system shows an overall accuracy of approx.99.7% over a standard dataset with 99.63% fall detection accuracy and efficiently monitors different events,which may help monitor the falls and improve the inpatients’health.

关键词： Fall detection activity recognition human pose estimation accuracy

Mesoporous titanium-aluminosilicate as an efficient catalyst for selective oxidation of cyclohexene at mild reaction conditions

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Chinese Journal of Chemical Engineering 2023年第3期55卷 257-265页

作者： Jitendra Diwakar Selvamani Arumugam Bhavna Saini Anup Prakash Tathod Nagabhatla viswanadham Academy of Scientific and Innovative Research(AcSIR) at CSIR-Indian Institute of PetroleumDehradun 248005India Light Stock Processing Division Council of Scientific&Industrial Research-Indian Institute of PetroleumCouncil of Scientific and Industrial ResearchDehradun 248005India

Mesoporous titanium containing alumino-silicate materials with various titanium/silicon(Ti/Si) ratio(AlSi-Ti(n);n = Ti/Si mole ratio) have been successfully synthesized by a novel single-step sodium(Na)-free method, for the first time. The obtained characterization results of the prepared materials reveal that in-situ addition of Ti into AlSi shows ordered mesoporous structure along with uniformly dispersed Ti species in +4 and +3 oxidation states suitable for selective oxidation of allylic C—H bond. The prepared mesoporouse Ti-AlSi(n) samples exhibited excellent activity in the oxidation of cyclohexene with 100%conversion and 100% selectivity to ketone-alcohol(KA) oil(cyclohex-2-en-1-ol and 2-cyclohexen-1-one) at low temperature and reaction time(35℃ and 30 min reaction time). This study suggests that AlSi-Ti(0.05) material can be a promising catalyst for the selective oxidation of cyclohexene under mild reaction conditions.

关键词： Cyclohexene Allylic oxidation KA oil Mesoporous AlSi Mild conditions

Influence of anthropogenic activities on landslide susceptibility:A case study in Solan district,Himachal Pradesh,India

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Journal of Mountain Science 2023年第2期20卷 429-447页

作者： sangeeta S.K.SINGH Department of Civil Engineering Punjab Engineering CollegeChandigarh 16012India

Landslides in the Himalayan region are primarily controlled by natural parameters,including rainfall,seismic activity,and anthropogenic parameters,such as the construction of large-scale projects like road development,tunneling and hydroelectric power projects and climate *** parameters which are more crucial among these are a matter of scientific study and *** research,taking Solan district,Himachal Pradesh,India,as the study area,aims to assess the impact of anthropogenic activities on landslide susceptibility at a regional *** distribution was characterized into two groups,namely Rainfall-Induced Landslide(RIL)and Human-Induced Landslide(HIL)based on triggering *** data such as slope angle,aspect,profile curvature,distance to drainage,distance to lineament,lithology,distance to road,normalized difference vegetation index(NDVI)and land use land cover(LULC)have been considered for delineating the landslide susceptibility zonation(LSZ)*** effect of anthropogenic activities on landslide occurrences has been examined through the distribution of landslides along national highways and land use land cover changes(LULCC).Two sets of LSZ maps with a LULC of time interval covering five years(2017&2021)were prepared to compare the temporal progression of LULC and landslide susceptibility during the five *** results indicated the significant impact of anthropogenic activities on the landslide *** map of the year 2021 shows that 23%area falls into high and very high susceptible classes and 48%area falls into very low and low susceptibility *** to LSZ map of 2017,high and very high susceptible classes have been increased by 15%,whereas very low and low susceptible classes have been reduced by 7%.The present case study will help to understand the potential driving parameters responsible for HIL and also suggest the inclusion of LULC in landslide susceptibility *** study will demonstrate new

关键词： Landslide Anthropogenic Human-Induced Landslide(HIL) Rainfall-Induced Landslide(RIL)

A machine learning pipeline for fuel-economical driving model

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International Journal of Intelligent Computing and Cybernetics 2022年第4期15卷 473-496页

作者： Neetika Jain sangeeta Mittal Jaypee Institute of Information Technology NoidaIndia

Purpose-A cost-effective way to achieve fuel economy is to reinforce positive driving *** behaviour can be controlled if drivers can be alerted for behaviour that results in poor fuel *** consumption must be tracked and monitored instantaneously rather than tracking average fuel economy for the entire trip duration.A single-step application of machine learning(ML)is not sufficient to model prediction of instantaneous fuel consumption and detection of anomalous fuel *** study designs an ML pipeline to track and monitor instantaneous fuel economy and detect ***/methodology/approach-This research iteratively applies different variations of a two-step ML pipeline to the driving dataset for hatchback *** first step addresses the problem of accurate measurement and prediction of fuel economy using time series driving data,and the second step detects abnormal fuel economy in relation to contextual *** short-term memory autoencoder method learns and uses the most salient features of time series data to build a regression *** contextual anomaly is detected by following two approaches,kernel quantile estimator and one-class support vector *** kernel quantile estimator sets dynamic threshold for detecting anomalous *** error beyond a threshold is classified as an *** one-class support vector machine learns training error pattern and applies the model to test data for anomaly *** two-step ML pipeline is further modified by replacing long short term memory autoencoder with gated recurrent network autoencoder,and the performance of both models is *** speed recommendations and feedback are issued to the driver based on detected anomalies for controlling aggressive ***-A composite long short-term memory autoencoder was compared with gated recurrent unit *** models achieve prediction accuracy within a range of 98%-100%for prediction as a first

关键词： Eco-driving Fuel economy Contextual model Naturalistic driving Deep learning Anomaly detection Long short term memory Gated recurrent unit

Biomaterial types,properties,medical applications,and other factors:a recent review

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Journal of Zhejiang University-Science A(Applied Physics & Engineering) 2023年第11期24卷 1027-1042页

作者： Reeya AGRAWAL Anjan KUMAR Mustafa K.A.MOHAMMED sangeeta SINGH VLSI Research Centre GLA University281406 MathuraIndia Radiological Techniques Department Al-Mustaqbal University College51001 HillahBabylonIraq Microelectronics&VLSI Lab National Institute of TechnologyPatna 800005India

Biomaterial research has been going on for several years,and many companies are heavily investing in new product ***,it is a contentious field of *** science is a field that combines materials science and *** replacement or restoration of damaged tissues or organs enhances the patient’s quality of *** deciding aspect is whether or not the body will accept a biomaterial.A biomaterial used for an implant must possess certain qualities to survive a long *** a biomaterial is used for an implant,it must have specific properties to be long-lasting.A variety of materials are used in biomedical *** are widely used today and can be used individually or in *** review will aid researchers in the selection and assessment of *** using a biomaterial,its mechanical and physical properties should be *** biomaterials have a structure that closely resembles that of ***infective biomaterials and surfaces are being developed using advanced antifouling,bactericidal,and antibiofilm *** review tries to cover critical features of biomaterials needed for tissue engineering,such as bioactivity,self-assembly,structural hierarchy,applications,heart valves,skin repair,bio-design,essential ideas in biomaterials,bioactive biomaterials,bioresorbable biomaterials,biomaterials in medical practice,biomedical function for design,biomaterial properties such as biocompatibility,heat response,non-toxicity,mechanical properties,physical properties,wear,and corrosion,as well as biomaterial properties such surfaces that are antibacterial,nanostructured materials,and biofilm disrupting compounds,are all being *** is technically possible to stop the spread of implant infection.

关键词： Surface severe plastic deformation(SSPD) Hyaluronan(HA) Extracellular matrix(ECM) Polyvinylchloride(PVC) Tissue engineering(TE)

Investigation of 58Ni(n, p)58Co reaction cross-section with covariance analysis

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Chinese Physics C 2024年第2期48卷 78-90页

作者： Akash Hingu S.Mukherjee Siddharth Parashari Arora sangeeta A.Gandhi Mahima Upadhyay Mahesh Choudhary Sumit Bamal Namrata Singh G.Mishra Sukanya De Saurav Sood Sajin Prasad G.Saxena Ajay Kumar R.G.Thomas B.K.Agrawal K.Katovsky A.Kumar Department of Physics Faculty of ScienceThe M.S.University of BarodaVadodara 390002India Faculty of Electrical Engineering and Communication Brno University of TechnologyBrnoCzech Republic Department of Physics Faculty of ScienceUniversity of ZagrebBijenička c.32Zagreb 10000Croatia Department of Physics University Institute of SciencesChandigarh UniversityGharuanMohali 140413PunjabIndia Department of Physics Banaras Hindu UniversityVaranasi 221005India Horia Hulubei National Institute for Physics and Nuclear Engineering Măgurele 077125Romania Nuclear Physics Division Bhabha Atomic Research CentreMumbai 400085India Health Physics Division Bhabha Atomic Research CentreMumbai 400085India Department of Physics(H&S) Government Women Engineering CollegeAjmer 305002India Saha Institute of Nuclear Physics Kolkata 700064India Homi Bhabha National Institute Anushakti NagarMumbai 400094India

The excitation function of the 58Ni(n,p)58Co reaction was measured using the well-established neutron activation technique andγ-ray *** in the energy range of 1.7 to 2.7 MeV were generated using the 7Li(p,n)*** neutron flux was measured using the standard 115In(n,n’)115mIn monitor *** results of the neutron spectrum averaged cross-section of 58Ni(n,p)58Co reactions were compared with existing cross-section data available in the EXFOR data library as well as with various evaluated data libraries such as ENDF/B-VIII.0,JEFF-3.3,JENDL-4.0,and *** calculations were performed using the nuclear reaction code *** nuclear level density(NLD)models were tested,and their results were compared with the present *** NLDs were also obtained through the spectral distribution method(SDM).The cross-section results,along with the absolute errors,were obtained by investigating the uncertainty propagation and using the covariance *** forγ-ray true coincidence summing,low-energy background neutrons,andγ-ray self attenuation were *** experimental cross-section obtained in the present study is consistent with previously published experimental data,evaluated libraries,and theoretical calculations carried out using the TALYS code.

关键词： nuclear reactions (n,p)reaction cross-section measurement covariance analysis nuclear level density

Oncofertility:Treatment options from bench to bedside

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Cancer Pathogenesis and Therapy 2023年第4期1卷 284-289页

作者： Divya Gupta Shubham Singh sangeeta Shukla Sadhana Shrivastava Reproductive Biology and Toxicology Lab SOS in ZoologyJiwaji UniversityGwaliorMadhya Pradesh 474011India Department of Zoology Guru Ghasidas VishwavidyalayaBilaspur(C.G.)495009India

In recent years,there has been continuous improvement in the treatment and diagnosis of cancer,which has led to a significant improvement in the survival rate of cancer *** that include chemotherapy,radiotherapy,surgery,or combined therapy have several side effects that may lead to premature ovarian insufficiency in females or substantial male germ cell *** biologists recommend that all patients who are diagnosed with a malignant tumor must undergo a consultation for fertility protection and *** this review,we discuss the background knowledge,methods,and options for fertility preservation and how these new strategies help oncologists,surgeons,pediatricians,and hematologists,conserve fertility and be aware of the concepts,methods,and importance of fertility *** review may aid in the advancement of novel personalized methods for fertility preservation according to patients’conditions.

关键词： Cancer Fertility preservation Embryo cryopreservation Oncofertility