bluuebunny/crossref_metadata_2025_split huggingface dataset:
On the use of the project interface method when organizing instrumental observations irregular natural phenomena
Authors: Kudryavtsev N G , Yu Gozdarev A , Kudin D V , Uchaikin E O , Temerbekova A A 
Published: December 2020

Abstract
The work is devoted to the problem of organizing university infrastructure, which allows students to be involved in projects related to instrumental observations of irregular natural phenomena. The purpose of the work is to study factors that simplify the process of organizing and conducting regular measuring experiments, allowing students and teachers of higher Education institutions to study and research rare natural phenomena. At the beginning of the work, an overview of literature is given, which describes the experience of using the project approach as part of the educational process and additional education. The main part of the paper describes an example of creating an educational measuring polygon the GASU. The method of design interfaces is proposed as a technology that allows you to simplify the process of creating a polygon and maintaining it in working order. The final part of the work is devoted to a detailed analysis of an example of a scientific study of an irregular natural phenomenon, the data on which were recorded as a result of the measurement experiments. The discussion section of the work concludes that the project approach and the method of project interfaces make the process of introducing instrumental observations into the educational process effective and beneficial for students.
3D-simulation of emergency evacuation
Authors: Tugarinov M A , Shulga I D , Yurchenko E A , Ermakov A D 
Published: December 2020

Abstract
The article presents the results of the development of the 3D modelling system for the evacuation process of people in case of fire and test experiments. The article describes the choice of the programming environment and the behaviour of the characters. The results of the test simulations of character behaviour, including processes of assisting other characters and fire-extinguishing, are shown. The presented results are the basis for creating a complete simulation model with increased realism.
Feasibility of thermal photon measurements in heavy ion collisions at NICA energies
Authors: Ivanishchev D , Kryshen E , Kotov D , Malaev M , Riabov V , Riabov Yu 
Published: December 2020

Abstract
Thermal photons serve as valuable probes of the hot and dense medium produced in heavy ion collisions. The effective thermal photon temperature measured at RHIC and LHC energies far exceeds the temperature predicted for the phase space transition into the deconfined state of quarks and gluons, known as quark-gluon plasma (QGP). Direct photon measurements in heavy ion collisions at the future NICA collider may help to estimate the effective temperature of the produced medium at lower energies and trace the transition from QGP to the hadron gas state. In this contribution, we present feasibility studies on the thermal photon measurements in AuAu collisions using the photon conversion method in the MPD experiment at NICA.
Directed flow of protons with the event plane and scalar product methods in the HADES experiment at SIS18
Authors: Mamaev M , Golosov O , Selyuzhenkov I 
Published: December 2020

Abstract
Differential measurements of the directed flow of protons of Au+Au collisions at the beam energy of 1.23AGeV collected by the HADES experiment at SIS18 are presented. Measurements are performed with respect to the spectator symmetry plane estimated using the Forward Wall hodoscope. Corrections for the detector azimuthal non-uniformity are applied. Event plane and scalar product methods are used to evaluate the systematic uncertainty.
Recent highlights of top-quark physics with the ATLAS detector
Authors: Diez Pardos C 
Published: December 2020

Abstract
Highlights of the most recent top-quark measurements obtained using the full data set collected with the ATLAS experiment at the LHC at a centre-of-mass energy of 13 TeV, corresponding to 139 fb−1 of integrated luminosity, are presented. The results include inclusive and differential cross-section measurements of the production of top-quark pairs in association with a photon or a Z boson, the first evidence of four-top-quark production and a novel measurement of lepton flavour universality in top-quark topologies.
Recent three-flavor neutrino oscillation results from the NOvA experiment
Authors: Kolupaeva L 
Published: December 2020

Abstract
NOvA is a long-baseline experiment studying primarily neutrino oscillations in the NuMI beam from Fermi National Laboratory (FNAL), USA. It consists of two functionally identical, finely granulated detectors which are separated by 810 km and situated 14.6 mrad off the NuMI beam axis from FNAL. By measuring the transition probabilities P(vμ
→ ve
) and P(vμ
→ vμ
), NOvA is able to probe the following parameters:

Δ

m

32

2

, the mixing angle θ
23, the CP violating phase δCP
and the neutrino mass hierarchy. This document is devoted to the latest NOvA measurements of the neutrino oscillation parameters using neutrino and antineutrino disappearance and appearance obtained in 2020.
K effective factor in the ADSR using liquid lead target and (Th233U)O2, (Th235UO)2, (Th238U)O2 fuel mixture
Authors: Tien Tran Minh , Khanh Nguyen Kim , Hien Bui Thi Thanh , Luong Nguyen Thi Thuy , Phung Nguyen Hong Thien , Thi Nguyen Thi Mai 
Published: December 2020

Abstract
The study of using liquid lead target for the accelerator driven subcritical reactor (ADSR) has been proposed by Nguyen Mong Giao, Vu Thi Diem Hang, Tran Minh Tien (International Journal of Modern Physics and Application. Vol. 2, No. 3, 2015). The calculations about neutron distribution, neutron fluxwith thorium fuel and thorium mixturehas been showed by Tran Minh Tien (Distribution of Neutrons from The Reaction (p, n) on the Liquid Lead Target in The Accelerator Driven System Reactor, J. Phys.: Conf. Ser. 1172 012066, 2019; Distributions of neutron flux from (p, n) reaction on the liquid lead target for accelerator driven subcritical reactor (ADSR), J. Phys.: Conf. Ser. 1324 012061, 2019). In this paper, the k effective factor is calculated with(Th233U)O2, (Th235U)O2and(Th238U)O2fuel mixture.
The influence of electromagnetic waves on conductivity tensor with the presence of a laser field in semiconductor
Authors: Ngoc Hoang Van 
Published: December 2020

Abstract
Currently strong laser radiation can affect the conductivity and other dynamic effects in semiconductors, not only changing the carrier concentration or temperature, but also changing the probability of electron scattering. It has also been shown that light radiation can change the magnitude of these effects and also expand their range of existence. Electron scattering in the presence of strong radiation can be complemented by the absorption and radiation of photons. This paper presents the influence of electromagnetic waves on conductivity tensor with the presence of a laser field in semiconductor. The conductivity tensor was calculated in the presence of an electromagnetic wave, a laser field from which to plot the conductor tensor dependence on the electromagnetic wave frequency and the laser field frequency.
ZnO-CuO nanocomposites: synthesis, characterization and antibacterial activity
Authors: Bandekar Sneha S , Hosamane Sateesh N , Patil Chidanand , Yaragatti Akshata , Hukerikar Akshay , Patil Sachin , Chachadi Pavan 
Published: December 2020

Abstract
Nanotechnology deals with the study of manipulation of the materials on molecular or an atomic scale. Nanomaterials and nanocomposites possess unique characteristics such as miniature particle sizes with a close particle size distribution properties and pose as a highly dispersed and non-agglomerative mass. The typical blend and diverse characteristics of these particles prove to be of added advantage in typical applications such as medical and pharmaceutical treatments for bacterial infections. This paper describes the detailed process of synthesizing nanocomposite oxide mixtures of copper and zinc through the sol-gel formulation route technique. The particle size distribution is assessed using Brunauer-Emmett-Teller and Scanning Electron Microscopy analysis. The mineralogical analysis of the nano-composite is carried out using X-Ray Fluorescence and X-Ray Diffraction techniques. The synthesized ZnO-CuO particles possess antibacterial properties against both gram-(positive/negative) bacteria and hence, they exhibited good results on E.coli, Staphylococcus aureus and Pseudomonas aeruginosa.
Effect of IR irradiation on the various properties of chemically prepared zinc sulphide thin films
Authors: Ribin K K , Navya N , Naseema K 
Published: December 2020

Abstract
Zinc sulphide thin films have been deposited on glass substrate using simple low cost chemical bath deposition method at 80°C for 2 hours. One of the samples is post irradiated with infrared radiation for one hour. Structural, optical and morphological studies were done for both samples and the results were compared. XRD pattern of the IR irradiated sample shows enhanced crystallinity. Optical band gap was found to be 3.31eV for pure ZnS and 3.93 eV for the IR irradiated ZnS thin film. The films prepared by using this facile method are suitable for optoelectronic applications.
Optoelectronic analysis of silicon doped ZnGa2S4: A first principle study
Authors: Gaur A , Khan K , Soni A , Dashora A , Sahariya J , Ahuja U 
Published: December 2020

Abstract
This paper depicts a comprehensive investigation of Si doping on the wide bandgap ternary semiconductor ZnGa2S4. The first principles Wien2k code is utilized by adopting the Perdew-Burkhe-Ernzerhof Generalized Gradient Approximation (PBE-GGA) method. Band engineering is done in order to get a suitable value of bandgap in the region of solar spectrum. For this purpose the doping of Si and its effect on ZnGa2S4 is investigated. The bandgap computed by the doping of Si atom has turned out to be 2.14 eV which has decreased in comparison to the bulk compound 2.38 eV. Electronic and optical properties of this doped material are studied. The integrated absorption curve offers a value of 61.205. The imaginary part of the dielectric tensor offers peaks which help in understanding the inter-band transitions. Also the values of reflection and refractive index are calculated exploring the feature of optical properties in the wien2k package.
Correlation analysis between element and aromatic bond count attributes of illicit drugs
Authors: Pon Mary Pushpalatha D , Joseph Pushparaj D , Gayathri R 
Published: December 2020

Abstract
World has large amount of data. Data has to be segregated according to the discipline. Biological data has many number of division. This research work the drug data has been taken as input. In this illicit drug data has been taken from data.world web site. There are many attributes are available, But the element count and aromatic bond count has been taken from the data set and the data has been statistically analyzed.
Dynamics of structural - inhomogeneous coaxial-multi-layered systems "cylinder-shells"
Authors: Mirsaidov M M , Safarov I I , Teshaev M Kh , Boltayev Z I 
Published: December 2020

Abstract
A mathematical model and a technique for assessing the efficiency of the dissipative ability of structurally inhomogeneous mechanical systems consisting of multilayer cylinders bonded to a thin viscoelastic shell of finite length have been developed. A detailed analysis of the known works devoted to this problem is given. A model, methodology, and algorithm for studying the natural and forced oscillations of a system to assess the damping ability of structurally inhomogeneous elastic and viscoelastic mechanical systems, taking into account the influence of the geometric and physico-mechanical parameters of the shell and cylinderhave been developed. In solving the problems considered, the method of divided variables, the method of the theory of potential functions, the Mueller method, the Gauss method and the orthogonal sweep method were used. The complex eigenfrequencies, amplitudes of forced oscillations are determined, and the largest dephasing abilities of the considered structurally inhomogeneous systems are estimated. It has been revealed that, the effect of the greatest damping ability in structurally heterogeneous systems is manifested when the real parts of complex natural frequencies come closer due to the interaction of close natural forms with each other.
Influences of series resistance and epitaxial doping densities on the terahertz performance of gallium nitride avalanche transit time source: A high-power 1.0 THz radiator
Authors: Khan S , Acharyya A , Biswas A , Sarkar B , Inokawa H , Dhar R S 
Published: December 2020

Abstract
Two-dimensional large-signal and noise simulations are used to study the terahertz (THz) performance of Gallium Nitride (GaN) avalanche transit time source (ATT) source. A comprehensive model of parasitic series resistance has been developed by which the effect of series resistance on the large-signal and noise performance of the 1.0 THz GaN ATT source has been investigated; the proposed model is based on time varying depletion width modulation under large-signal oscillating condition. Significant amount of deterioration in power output and efficiency have been observed due to the existence of series resistance of the device. On the other hand, the realization of the optimized structure and doping profile as per the theoretical design is a tricky job by considering the state-of-the-art GaN fabrication technology. Especially, achieving the absolute values of epitaxial doping densities is almost an unrealistic task. Therefore, it is very important to acquire the knowledge about how much extent the power output, series resistance and noise measure of the source are affected due to the change in doping level of both n- and p-layers. In the present study, the sensitivities of the above-mentioned parameters with respect to the change in the doping densities of n- and p-layers have been investigated.
Statistical analysis of SNR and optical power distribution in an indoor VLC System
Authors: Chaurasia Akshit , Sharma Mayank , Akansha  , Garg Abhinav , Rani Rekha 
Published: December 2020

Abstract
VLC(Visible Light Communication) is a new and emanating technique which uses light for communication. For indoor wireless ommunications, it is considered as a promising scheme for both information bearing communication as well as illumination. It provides high data rate performance at reduced cost. The aim of this paper is the analysis of optical power distribution and signal to noise ratio in an indoor VLC system. Analysis of power distribution and SNR is done by changing the direction of LEDs. It is observed that the noise in the optical channel link between the LED and photodetector dominates the data transmitted. Finally, simulation results and various parameters affecting the performance of VLC is also studied
Patch antenna with circular and rectangular notches and slots for millimeter waves
Authors: Singh Ashish , Shetty Ramya , Deepa K , Shet Krishnananda , Prasad Durga 
Published: December 2020

Abstract
This manuscript presents Rectangular patch antenna with slots and notches for mm wave. An antenna has dual band with two resonating bands at 24GHz and 39 GHz. First resonating band gives ultra wide band of 27.08% while second resonating band is narrow band. Antenna characteristics have been observed such as radiation pattern, radiation efficiency, impedance and reflection co-efficient. The radiation efficiency of 80% and broadside radiation pattern d has been observed at center frequency. The variation of dielectric constant on the patch has been also observed in achieving dual band. This antenna can be used in various wireless applications such as 5G allocation band of European countries, vehicular communication.
Review of physical and mathematical modelling aspects of thermal management of induction motors
Authors: Sachin S , Sriram A T 
Published: December 2020

Abstract
This review paper summarizes the importance of thermal management system and mathematical models used in the prediction of temperature distribution of an induction motor. The lumped parameter thermal network modelling approach is explained in detail with a suitable example. The recent computational methods and their pros and cons on estimating the temperature distribution are discussed. The experimental method on estimating equivalent value for thermal resistance and capacitance is highlighted from the literature. The understanding on physical mechanism of heat transfer is emphasized to recognize thermal flow path for better utilization of cooling techniques. The recent trend in coupling electromagnetic and thermal phenomena is also considered. This study will be helpful on future design of induction motor to meet difficult constraints.
Analysis of cracks in structures and buildings
Authors: Velumani P , Mukilan K , Varun G , Divakar S , Muhil Doss R , Ganeshkumar P 
Published: December 2020

Abstract
Analyzing and identifying cracks is the most vital step in the construction process. The manual crack detection process will take longer and will be subjectively assessed by the inspectors. This research provides a conceptual base for the image processing methodology for the automated identification and examination of cracks. This model uses the Gray Intensity Correction Method ( i.e.) Min Max Gray Level Differentiation (M2GLD) for Image Improvement and the Otsu Image Binarization Process. The experimental result shows that the combination of the M2GLD method and the Otsu test will effectively detect crack defects in digital images. This model can therefore be a useful tool for building construction agencies and structural maintenance engineers.
Application of earned value method and earned schedule method for a residential apartment
Authors: Vaibhava S , Prakash Rao B , Shetty Dheeraj Vishwanatha , Prakash Chandra 
Published: December 2020

Abstract
Earned Schedule Management (ESM) gives an estimate of schedule and milestone achievement dates. Earned Value Management (EVM) assists to follow the project performance by giving the schedule variance, cost variance and their performance index. EVM &ESM helps the project manager to foresee cost and schedule for the real project. The objective of this study is to apply EVM & ESM to the real time residential apartment project which is upcoming in Bengaluru, Karnataka, India and then to compare the results of two deterministic forecasting methods EVM and ESM. The EVM and ESM parameters are generated by using the data procured from the planning department. It shows much fluctuation in the project performance but the last months (M10) results reveal that the project is behind schedule, unfavorable budget and needs more amelioration. The project has an unfavorable Cost Variance of -0.91(budget in crores of INR, 1 crore = 10millions)) and schedule variance of -6.71months. It is also observed from the results and actual project situations that Earned Value and Earned Schedule methods in conjunction gives more accurate interpretation than using each of them detachedly.
Multiple regression analysis to predict the value of a residential building and to compare with the conventional method values
Authors: Shetty Dheeraj Vishwanatha , Prakash Rao B , Prakash Chandra , Vaibhava S 
Published: December 2020

Abstract
Valuation is an art which has found various use in different sectors. But it is seldom restricted to the boundaries of engineers and architects when it comes to property valuation. In the present study, the market value of a residential building situated in Udupi, Karnataka State, India is predicted using Multiple Regression Analysis (MRA) based on the factors affecting the value of the property. This value is then compared with the values obtained by the conventional approaches of valuation like Land and Building method, Rental Income Approach, Composite Rate method and by detailed estimation approach. The property under valuation has a plinth area of 2545.42 square feet standing on a free hold land of 4207.896 square feet. The market value predicted by Multiple Regression Analysis (MRA) shows a variation of 14.10% in comparison with Land and Building method, a variation of - 22.17% in comparison with Rental Income approach, a variation of 4.90% in comparison with Composite Rate method and a variation of 8.81% in comparison with detailed estimate method. The advantage of using MRA is that it uses statistical modelling and reduces the chance of human bias and error.
Exploring popular topic models
Authors: Tijare Poonam , Jhansi Rani P 
Published: December 2020

Abstract
Information from micro-blogging site such as Twitter is a huge repository of data. A lot of research is happening on sentiments, discovering patterns and prediction. One challenging task is dividing this humongous unstructured data into clusters. Several topic modeling methods are proposed by researchers. This paper presents a brief summary of topic modeling methods LDA, LSI and NMF and their applications. Experiments are conducted on the Twitter based datasets created using tweets on keywords Cauvery river, Lokpal bill and Rahul Gandhi. Paper covers a brief discussion on evaluating the accuracy of topics formed using perplexity, log-likelihood and topic coherence measures. Best topics formed are then fed to the Logistic regression model. The model created is showing better accuracy with LDA.
An empirical evaluation on the performance of food service industry in Malaysia with TOPSIS model
Authors: Hoe Lam Weng , Siew Lam Weng , Fai Liew Kah , Xin Agnes Lai Jing , Fun Lee Pei 
Published: December 2020

Abstract
The food service industry makes impacts on society and plays a key role in expanding economic and business opportunity. Besides that, the economic sector is also contributed by the food and beverage industry. Therefore, performance evaluation is vital for the food service industry in a highly competitive environment in order to improve the decision-making process in an organization. The objective of this study is to propose a conceptual framework in evaluating and ranking the financial performance of the food companies from the consumer products sector in Malaysia with Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) model. Current ratio, return on equity, profit margin, debt to equity ratio, earnings per share, dividend yield and price earnings ratio are the financial ratios employed in this study. The results of this study show that HEXZA gives the highest performance, followed by TGUAN, 3A and finally CANONE. This study is significant as it helps to evaluate the financial performance of food service industry in Malaysia with the proposed conceptual framework using TOPSIS model.