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Gotowe bibliografie tematyczne / Occupied Space Estimation for Elevators / Artykuły w czasopismach

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Artykuły w czasopismach na temat „Occupied Space Estimation for Elevators”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Feyza, Galip, Gul Kasim, Furkan Ince Ibrahim, and Haidar Sharif Md. "An Automatic System for Elevator Monitoring." International Journal of Scientific Research in Information Systems and Engineering (IJSRISE) 1, no. 2 (2015): 31–34. https://doi.org/10.5281/zenodo.836193.

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An elevator is a part and parcel of modern life in developed countries. The safety and reliability of an elevator system is of great importance as it carries people and other goods. During pick hours of the day, waiting long time in front of an elevator causes mental weariness. In this paper, we have hinted an automatic system that will estimate and display the free weight and volume of an elevator for the passengers using sensors and computer vision techniques. Then the passengers can make a decision and ride on their convenient elevators.

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Lim, Hong Soo, and Gon Kim. "Analysis of Energy Performance on Envelope Ratio Exposed to the Outdoor." Advances in Civil Engineering 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/7483619.

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The shape of a building largely contributes to its energy consumption. The current study utilized metrics of surface-to-volume ratio, surface-to-floor ratio, area-to-perimeter ratio, and volume ratio to evaluate building energy performance. Also, the paper focused on the relation between the air-conditioned room and non-air-conditioned room. This approach affects both the design stages of the floor plan and the main designing factors that decide which spaces would become air-conditioned spaces such as those mostly occupied by residents or non-air-conditioned space such as staircases and elevat

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Krishna.S, Mohan, and Febin Daya.J.L. "Machine model based Speed Estimation Schemes for Speed Encoderless Induction Motor Drives: A Survey." Bulletin of Electrical Engineering and Informatics 4, no. 1 (2015): 7–17. http://dx.doi.org/10.11591/eei.v4i1.303.

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Speed Estimation without speed sensors is a complex phenomenon and is overly dependent on the machine parameters. It is all the more significant during low speed or near zero speed operation. There are several approaches to speed estimation of an induction motor. Eventually, they can be classified into two types, namely, estimation based on the machine model and estimation based on magnetic saliency and air gap space harmonics. This paper, through a brief literature survey, attempts to give an overview of the fundamentals and the current trends in various machine model based speed estimation t

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Cerra, D., C. Ji, and U. Heiden. "SOLAR PANELS AREA ESTIMATION USING THE SPACEBORNE IMAGING SPECTROMETER DESIS: OUTPERFORMING MULTISPECTRAL SENSORS." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences V-1-2022 (May 17, 2022): 9–14. http://dx.doi.org/10.5194/isprs-annals-v-1-2022-9-2022.

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Abstract. Solar photovoltaic power plants are in rapid expansion throughout the world, with the total area occupied by panels being linked to the total electrical power produced. This paper considers this case as an instance of the generic problem of estimating the total area occupied by a class of interest in spaceborne hyperspectral images. As the spatial resolution characterizing these sensors is too coarse, spectral unmixing techniques identify the contribution of a specific material to the spectrum related to a single image element. Final results are obtained by summing all contributions

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Wang, Shixiang, Chifai Cheung, and Lingbao Kong. "A Fiducial-Aided Reconfigurable Artefact for the Estimation of Volumetric Errors of Multi-Axis Ultra-Precision Machine Tools." Applied Sciences 12, no. 4 (2022): 1824. http://dx.doi.org/10.3390/app12041824.

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In this paper, a fiducial-aided reconfigurable artefact is presented for estimating volumetric errors of multi-axis machine tools. The artefact makes use of an adjustable number of standard balls as fiducials to build a 3D artefact which has been calibrated on a coordinate measuring machine (CMM). This 3D artefact demonstrates its reconfigurability in its number of fiducials and their locations according to the characteristics of workpieces and machine tools. The developed kinematics of the machine tool were employed to identify the volumetric errors occupied by the workpiece in the working sp

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Li, Hongjun, Miguel Barão, Luís Rato, and Shengjun Wen. "HMM-Based Dynamic Mapping with Gaussian Random Fields." Electronics 11, no. 5 (2022): 722. http://dx.doi.org/10.3390/electronics11050722.

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This paper focuses on the mapping problem for mobile robots in dynamic environments where the state of every point in space may change, over time, between free or occupied. The dynamical behaviour of a single point is modelled by a Markov chain, which has to be learned from the data collected by the robot. Spatial correlation is based on Gaussian random fields (GRFs), which correlate the Markov chain parameters according to their physical distance. Using this strategy, one point can be learned from its surroundings, and unobserved space can also be learned from nearby observed space. The map i

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Shin, Yoon-Soo, and Junhee Kim. "A Vision-Based Collision Monitoring System for Proximity of Construction Workers to Trucks Enhanced by Posture-Dependent Perception and Truck Bodies’ Occupied Space." Sustainability 14, no. 13 (2022): 7934. http://dx.doi.org/10.3390/su14137934.

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In the study, an automated visualization of the proximity between workers and equipment is developed to manage workers’ safety at construction sites using the convolutional-neural-network-based image processing of a closed-circuit television video. The images are analyzed to automatically transform a hazard index visualized in the form of a plane map. The graphical representation of personalized proximity in the plane map is proposed and termed as safety ellipse in the study. The safety ellipse depending on the posture of workers and the area occupied by the hazardous objects (trucks) enable t

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Kramm, Aruscha, Eric Peukert, André Ludwig, and Bogdan Franczyk. "Machine Learning Based Mobile Capacity Estimation for Roadside Parking." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences X-4/W4-2024 (May 31, 2024): 99–106. http://dx.doi.org/10.5194/isprs-annals-x-4-w4-2024-99-2024.

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Abstract. The growing number of cars and limited street space present significant challenges for cities, applying not only to moving but extending to stationary traffic. The quest for parking spaces exacerbates traffic congestion, noise, and air pollution, particularly in residential areas. To develop effective parking solutions for these challenges, a trustful data foundation on available parking space capacities, its usage and parking type is crucial. Gathering this data is currently time-consuming, requiring manual labeling and street inspections. Moreover, it must be repeated to keep the d

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Zhang, Tong, Masahiko Onosato, and Fumiki Tanaka. "Continuous Representation of Machining Processes Using 4-Dimensional Geometric Models –Cutter-Workpiece Engagement Analysis and Processing Surface Estimation in Spatio-Temporal Space—." International Journal of Automation Technology 18, no. 4 (2024): 463–71. http://dx.doi.org/10.20965/ijat.2024.p0463.

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The study proposes strategies for conducting cutter-workpiece engagement (CWE) analysis and representation based on 4-dimensional (4D) geometric models. To achieve the CWE condition, two 4D models representing the workpiece and the machinable volume of the tool are introduced for Boolean subtraction and CWE calculation. However, performing set operations and mesh transformations on high-accuracy 4D mesh models can be complex and time-consuming. Therefore, a simplified CWE analysis process between the time-invariant workpiece-occupied region (WOR) and the tool-occupied region (TOR) has been imp

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Fernandes, Carolina, José Eduardo Corá, and Jairo Augusto Campos de Araújo. "Reference evapotranspiration estimation inside greenhouses." Scientia Agricola 60, no. 3 (2003): 591–94. http://dx.doi.org/10.1590/s0103-90162003000300027.

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Because of the large area occupied by a class A pan, alternative methods have been sought to estimate reference evapotranspiration (Eto) inside greenhouses. The objective of this work was to compare ETo estimated by different methods inside and outside a greenhouse. A class A pan (CAPi), a reduced pan (RPi) and an atmometer (Ai) were installed inside a greenhouse, and another class A pan (CAPo) was installed outside. ETo estimates, obtained by CAPi, RPi, and Ai were 56%, 69% and 63% of those estimated by CAPo, respectively. A simple linear regression showed positive coefficients R = 0.94 for t

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MOINI, SHOHREH, ASHOK PURI, DARIUSH HABIBOLLAHZADEH, and PURNA C. DAS. "GROUND STATE ENERGY ESTIMATION OF JELLIUM SYSTEMS BY SPATIAL GRIDDING." Modern Physics Letters B 09, no. 01 (1995): 45–53. http://dx.doi.org/10.1142/s0217984995000061.

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A numerical approach to estimate the ground state energy of jellium systems is explored. In this approach, the space occupied by the system is gridded, with individual grid elements small enough that the electron density within an element is considered constant. The energy of an element is then a function (and not functional) of its electron density in a given environment and the total energy of the system is obtained by summing the contributions from all the elements. A self-consistent field procedure to optimize the grid densities is then carried out resulting in the ground state energy of t

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Biging, Greg S., and Lee C. Wensel. "Estimation of crown form for six conifer species of northern California." Canadian Journal of Forest Research 20, no. 8 (1990): 1137–42. http://dx.doi.org/10.1139/x90-151.

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Geometric models are presented for the prediction of crown volume and width at any height in the crown of six conifer species in the Sierra Nevada. Crown volume is defined as the geometric space occupied by the crown and is allometrically related to the diameter, height, and crown ratio of individual trees. Crown diameter is derived from crown volume, tree height, and crown ratio. The crown volumes and associated measures can be used to compute indices of individual tree competition such as those used in the CACTOS (California Conifer Timber Output Simulator) system or to compute other measure

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13

Czyż, Ewa A., and Anthony R. Dexter. "Estimation of the density of the clay-organic complex in soil." International Agrophysics 30, no. 1 (2016): 19–23. http://dx.doi.org/10.1515/intag-2015-0075.

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Abstract Soil bulk density was investigated as a function of soil contents of clay and organic matter in arable agricultural soils at a range of locations. The contents of clay and organic matter were used in an algorithmic procedure to calculate the amounts of clay-organic complex in the soils. Values of soil bulk density as a function of soil organic matter content were used to estimate the amount of pore space occupied by unit amount of complex. These estimations show that the effective density of the clay-organic matter complex is very low with a mean value of 0.17 ± 0.04 g ml−1 in arable

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14

Ismail, Hasan, Rohit Roy, Long-Jye Sheu, Wei-Hua Chieng, and Li-Chuan Tang. "Exploration-Based SLAM (e-SLAM) for the Indoor Mobile Robot Using Lidar." Sensors 22, no. 4 (2022): 1689. http://dx.doi.org/10.3390/s22041689.

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This paper attempts to uncover one possible method for the IMR (indoor mobile robot) to perform indoor exploration associated with SLAM (simultaneous localization and mapping) using LiDAR. Specifically, the IMR is required to construct a map when it has landed on an unexplored floor of a building. We had implemented the e-SLAM (exploration-based SLAM) using the coordinate transformation and the navigation prediction techniques to achieve that purpose in the engineering school building which consists of many 100-m2 labs, corridors, elevator waiting space and the lobby. We first derive the LiDAR

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Bouzid, O. M., G. Y. Tian, J. Neasham, and B. Sharif. "Envelope and Wavelet Transform for Sound Localisation at Low Sampling Rates in Wireless Sensor Networks." Journal of Sensors 2012 (2012): 1–9. http://dx.doi.org/10.1155/2012/680383.

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High sampling frequencies in acoustic wireless sensor network (AWSN) are required to achieve precise sound localisation. But they are also mean analysis time and memory intensive (i.e., huge data to be processed and more memory space to be occupied which form a burden on the nodes limited resources). Decreasing sampling rates below Nyquist criterion in acoustic source localisation (ASL) applications requires development of the existing time delay estimation techniques in order to overcome the challenge of low time resolution. This work proposes using envelope and wavelet transform to enhance t

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O'Callaghan, Simon, and Fabio Ramos. "Continuous Occupancy Mapping with Integral Kernels." Proceedings of the AAAI Conference on Artificial Intelligence 25, no. 1 (2011): 1494–500. http://dx.doi.org/10.1609/aaai.v25i1.7985.

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We address the problem of building a continuous occupancy representation of the environment with ranging sensors. Observations from such sensors provide two types of information: a line segment or a beam indicating no returns along them (free-space); a point or return at the end of the segment representing an occupied surface. To model these two types of observations in a principled statistical manner, we propose a novel methodology based on integral kernels. We show that integral kernels can be directly incorporated into a Gaussian process classification (GPC) framework to provide a continuou

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Malyshev, Viktor, Angelina Gab, Viktoriia Kovalenko, Yurii Lipskyi, and Dmytro Shakhnin. "Estimation of the world market and application of nanomaterials in the aerospace industry." Technology audit and production reserves 5, no. 4(79) (2024): 29–41. http://dx.doi.org/10.15587/2706-5448.2024.312875.

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The object of the study is the global aerospace market status, segment analysis, dynamics, competition, and prospects. The methods of searching and analyzing literature data, summarizing, systematizing, and visualizing data with diagrams are used. The aerospace industry is at the forefront of technological innovation and is constantly searching for new advanced materials to improve productivity, efficiency, and safety. The aerospace market encompassing the design, manufacture, and maintenance of aircrafts, space vehicles, and related systems. It includes the commercial and military sectors, as

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Orlov, A. I. "Generalized additive-multiplicative risk estimation model based on fuzzy and interval initial data." Industrial laboratory. Diagnostics of materials 89, no. 1 (2023): 74–84. http://dx.doi.org/10.26896/1028-6861-2023-89-1-74-84.

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Among the mathematical models of risk research, an important place is occupied by additive-multiplicative models of risk estimation. The components of such models are: three-stage hierarchical risk systems (built for a specific applied situation); partial risk estimators (determined by experts for a specific project, product, etc.); indicators of the weight of specific types of partial risks (found on the basis of a survey of experts in a particular application area); algorithms for calculating group risk estimators based on partial risk estimators and general risk estimator based on group ris

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PINTO, PAULO D., JOÃO M. M. LINHARES, JOÃO A. CARVALHAL, and SÉRGIO M. C. NASCIMENTO. "Psychophysical estimation of the best illumination for appreciation of Renaissance paintings." Visual Neuroscience 23, no. 3-4 (2006): 669–74. http://dx.doi.org/10.1017/s0952523806233340.

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A variety of light sources are used in museum environments where the main concern is to prevent damaging effects of the light on paintings. Yet, the visual impression of an artistic painting is strongly influenced by the intensity and spectral profile of the illumination. The aim of this work was to determine psychophysically the spectral profile of the illumination preferred by observers when seeing paintings dated from the Renaissance époque and to investigate how their preferences correlate with the color temperature of the illumination and with the chromatic diversity of the paintings. Hyp

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Ciobotaru, Ana-Maria, Ion Andronache, Helmut Ahammer, et al. "Application of Fractal and Gray-Level Co-Occurrence Matrix Indices to Assess the Forest Dynamics in the Curvature Carpathians—Romania." Sustainability 11, no. 24 (2019): 6927. http://dx.doi.org/10.3390/su11246927.

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The mountain ecosystems face significant damage from deforestation and environmental forest changes. We investigated the evolution of tree types of cover areas, deforested areas and total deforested areas from Curvature Carpathians using Gray-Level Co-occurrence Matrix and fractal analysis. The forest dynamics mapping was one of the main objectives of this study and it was carried out using multiple fractal and GLCM indices. We approached the analysis of satellite forest images by calculation of four fractal indices such as Pyramid dimension, Cube Counting Dimension, Fractal Fragmentation-Comp

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Nosheen, Sadaf, Sabahat Arif, and Muhammad Arif Khan. "Estimation of Energy Saving in Educational Building from Day lighting to Improve the Visual Comfort." Mehran University Research Journal of Engineering and Technology 38, no. 4 (2019): 1077–86. http://dx.doi.org/10.22581/muet1982.1904.19.

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Daylight is the occupied-range of light that is appropriate to the human visual response. Thus, it can contribute to human health, performance and productivity. Energy consumption can be reduced by improving in energy efficiency. The study emphaseson the design of lighting system that will be energy efficient. The basic purpose of this paper describes how to reduce the mounted lighting load and improve the illumination level as per international standards. A good lighting scheme should be based on more energy efficient & longer life and maintenance free equipment. In this research paper,a

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Hong, Zehu, Weiheng Xu, Yun Liu, et al. "Estimation of the Three-Dimension Green Volume Based on UAV RGB Images: A Case Study in YueYaTan Park in Kunming, China." Forests 14, no. 4 (2023): 752. http://dx.doi.org/10.3390/f14040752.

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Three-dimension green volume (3DGV) is a quantitative index that measures the crown space occupied by growing plants. It is often used to evaluate the environmental and climatic benefits of urban green space (UGS). We proposed the Mean of neighboring pixels (MNP) algorithm based on unmanned aerial vehicle (UAV) RGB images to estimate the 3DGV in YueYaTan Park in Kunming, China. First, we mapped the vegetated area by the RF algorithm based on visible vegetation indices and texture features, which obtained a producer accuracy (PA) of 98.24% and a user accuracy (UA) of 97.68%. Second, the Canopy

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Sakamoto, Yasuhide, Takeshi Komai, Kuniyuki Miyazaki, Norio Tenma, Tsutomu Yamaguchi, and George Zyvoloski. "Laboratory-Scale Experiments of the Methane Hydrate Dissociation Process in a Porous Media and Numerical Study for the Estimation of Permeability in Methane Hydrate Reservoir." Journal of Thermodynamics 2010 (March 16, 2010): 1–13. http://dx.doi.org/10.1155/2010/452326.

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An experimental study of the dissociation of methane hydrate (MH) by hot-water injection and depressurization was carried out at the National Institute of Advanced Industrial Science and Technology (AIST). These experiments helped us understand some important aspects of MH behavior such as how temperature, pressure, and permeability change during dissociation and gas production. In order to understand the experimental results, a model of MH dissociation in a porous media was designed and implemented in a numerical simulator. In the model, we treated the MH phase as a two-component system by re

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Abdenova, Gaukhar, Karlygash Bazikova, and Zhangul Kenzhegalym. "A parabolic model in the form of space states of the dynamics of savings." Analysis and data processing systems, no. 2 (June 18, 2021): 7–18. http://dx.doi.org/10.17212/2782-2001-2021-2-7-18.

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An important place in the theory of partial differential equations and its applications is occupied by the heat equation, a representative of the class of the so-called parabolic equations. It is known that to check the correctness of a mathematical model based on a parabolic equation, the existence of its solution is very important since a mathematical model is not always adequate to a specific phenomenon and the existence of a solution to a corresponding mathematical problem does not follow from the existence of a solution to a real applied problem. Therefore, methods for solving partial dif

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Poje, Marina, Ana Ivkovic, Slaven Jurkovic, et al. "The neutron dose equivalent around high energy medical electron linear accelerators." Nuclear Technology and Radiation Protection 29, no. 3 (2014): 207–12. http://dx.doi.org/10.2298/ntrp1403207p.

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The measurement of neutron dose equivalent was made in four dual energy linear accelerator rooms. Two of the rooms were reconstructed after decommissioning of 60Co units, so the main limitation was the space. The measurements were performed by a nuclear track etched detectors LR-115 associated with the converter (radiator) that consist of 10B and with the active neutron detector Thermo BIOREM FHT 742. The detectors were set at several locations to evaluate the neutron ambient dose equivalent and/or neutron dose rate to which medical personnel could be exposed. Also, the neutron dose dependence

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Banach, Mateusz. "Assessment of Globularity of Protein Structures via Minimum Volume Ellipsoids and Voxel-Based Atom Representation." Crystals 11, no. 12 (2021): 1539. http://dx.doi.org/10.3390/cryst11121539.

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A computer algorithm for assessment of globularity of protein structures is presented. By enclosing the input protein in a minimum volume ellipsoid (MVEE) and calculating a profile measuring how voxelized space within this shape (cubes on a uniform grid) is occupied by atoms, it is possible to estimate how well the molecule resembles a globule. For any protein to satisfy the proposed globularity criterion, its ellipsoid profile (EP) should first confirm that atoms adequately fill the ellipsoid’s center. This property should then propagate towards the surface of the ellipsoid, although with dim

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Марюшко, Максим В’ячеславович, Руслан Едуардович Пащенко та Наталія Сергіївна Коблюк. "МОНІТОРИНГ СІЛЬСЬКОГОСПОДАРСЬКИХ КУЛЬТУР ІЗ ЗАСТОСУВАННЯМ КОСМІЧНИХ ЗНІМКІВ SENTINEL-2". RADIOELECTRONIC AND COMPUTER SYSTEMS, № 1 (23 березня 2019): 99–108. http://dx.doi.org/10.32620/reks.2019.1.11.

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The subject of the study in the article is the growing need for the use of spatial information for efficient agricultural production, due to the growing tendency of Earth remote sensing data accessibility, which, due to the spatial and temporal resolution improvement, can be used in the land cover analysis and other related jobs. The goal is to review the obtaining process of satellite multispectral space imagery from Sentinel-2 and to consider the possibility of their use for monitoring crops during the entire vegetation phase. The tasks: to study the modern needs of agricultural producers in

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Edet Ubong ASSIAN, William Adebisi OLOSUNDE, and Orua Okon ANTIA. "Determination of voidage of palm nuts in a vessel." Global Journal of Engineering and Technology Advances 15, no. 3 (2023): 107–10. http://dx.doi.org/10.30574/gjeta.2023.15.3.0110.

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Inaccurate estimation of nuts volume in a hopper may likely influence the design of some components of palm nut processing system such as shaft, rotor, electric motor power, hopper supporting rods, etc. In an effort to address this challenge the voids/ spaces were considered as inherent in palm nuts when stored in a vessel. In this study, 5 kg of dried and ready to crack mixed varieties of palm nuts were grouped based on their minor diameter (d_1) as small size: d_1 < 13.00 mm; medium size: 13.00 ≤ d_1 < 17.00 mm and large size: d_1 ≥ 17.00 mm for each size range, nuts were randomly sele

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Chen, Longfeng, Weihua Wang, and Anhui Bu. "Numerical Simulation Study of Basement Water Discharge Pressure Relief Method under Rainstorm Conditions." Buildings 13, no. 11 (2023): 2772. http://dx.doi.org/10.3390/buildings13112772.

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The development and expansion of underground space has led to a continuous increase in both the occupied area and the burial depth of underground basements. Meanwhile, due to the inaccurate estimation of groundwater buoyancy, more and more anti-floating problems of underground basement caused by rainstorm have emerged. Combined with the principles of unsaturated seepage theory, this article uses Flac3d 6.0 software to conduct simulations on the influence of various significant factors on the effect of the water discharge pressure relief method, a novel approach to reduce buoyancy. The numerica

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Edet, Ubong ASSIAN, Adebisi OLOSUNDE William, and Okon ANTIA Orua. "Determination of voidage of palm nuts in a vessel." Global Journal of Engineering and Technology Advances 15, no. 3 (2023): 107–10. https://doi.org/10.5281/zenodo.8285318.

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Inaccurate estimation of nuts volume in a hopper may likely influence the design of some components of palm nut processing system such as shaft, rotor, electric motor power, hopper supporting rods, etc. In an effort to address this challenge the voids/ spaces were considered as inherent in palm nuts when stored in a vessel. In this study, 5 kg of dried and ready to crack mixed varieties of palm nuts were grouped based on their minor diameter (<em>d</em><sub>1</sub>) as small size:<em>d</em><sub>1 </sub>< 13.00 mm; medium size:13.00 ≤ <em>d</em><sub>1 </sub>< 17.00 mm an

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Li, Zhong-Yuan, Wei-Feng Sun, and Hong Zhao. "Significantly Improved Electrical Properties of Photo-Initiated Auxiliary Crosslinking EPDM Used for Cable Termination." Polymers 11, no. 12 (2019): 2083. http://dx.doi.org/10.3390/polym11122083.

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In order to achieve high quality electrical materials for cable terminations, the crosslinked ethylene-propylene-diene monomer (EPDM) materials, with adequate breakdown strength, appropriately increased conductivity and are developed by employing auxiliary crosslinker and ultraviolet (UV) photoinitiated crosslinking technique. The characteristic cyclic anhydrides with coupled carbonyl groups are utilized as auxiliary crosslinkers to promote crosslinking efficiency and provide polar-groups to EPDM molecules in UV-initiated crosslinking processes, which can be effectively fulfilled in industrial

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Markert, Alexandra. "How dense is dense? Toward a harmonized approach to characterizing reefs of non-native Pacific oysters – with consideration of native mussels." NeoBiota 57 (May 29, 2020): 7–52. http://dx.doi.org/10.3897/neobiota.57.49196.

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Pacific oysters Crassostrea (Magallana) gigas have been successfully invading ecosystems worldwide. As an ecosystem engineer, they have the potential to substantially impact on other species and on functional processes of invaded ecosystems. Engineering strength depends on oyster density in space and time. Density has not yet been studied on the extent of reef structural dynamics. This study assessed abundance of naturalized Pacific oysters by shell length (SL) of live individuals and post-mortem shells at six sites over six consecutive years during post-establishment. Individual biomass, i.e.

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Markert, Alexandra. "How dense is dense? Toward a harmonized approach to characterizing reefs of non-native Pacific oysters – with consideration of native mussels." NeoBiota 57 (May 29, 2020): 7–52. https://doi.org/10.3897/neobiota.57.49196.

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Pacific oysters Crassostrea (Magallana) gigas have been successfully invading ecosystems worldwide. As an ecosystem engineer, they have the potential to substantially impact on other species and on functional processes of invaded ecosystems. Engineering strength depends on oyster density in space and time. Density has not yet been studied on the extent of reef structural dynamics. This study assessed abundance of naturalized Pacific oysters by shell length (SL) of live individuals and post-mortem shells at six sites over six consecutive years during post-establishment. Individual biomass, i.e.

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Voytyk, Oleksandra, and Nataliia Mazii. "Labor market amid the crisis and ways to improve its governmental regulation." Democratic governance 30, no. 2 (2022): 144–57. http://dx.doi.org/10.23939/dg2022.02.144.

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Statement of the problem. Employment of the population and reduction of unemployment rate are priority objectives for economic recovery in the country suffering from the hybrid war for many years, affected by the COVID-19 pandemic for two years, and involved into the full-scale war since February 24, 2022 that results in joblessness for thousands of people, destruction of the businesses, equipment and facilities, as well as the natural resources of Ukraine. These and other factors are undermining the normalfunc- tioning of the labor market that currently features high unemployment rate, essent

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Ilyasov, D. V., S. Y. Mochenov, A. I. Rokova, et al. "Moscow region’s swamp forests mapping for inventory of CH4 and CO2 fluxes." Environmental Dynamics and Global Climate Change 14, no. 2 (2023): 116–31. http://dx.doi.org/10.18822/edgcc568952.

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Introduction. Methane and carbon dioxide are the most important greenhouse gases, the increase in the concentration of which in the atmosphere is the main cause of climate change [Taylor and Penner, 1994; Drösler et al., 2014; Hoegh-Guldberg et al., 2019]. In addition to relatively constant sources of methane and carbon dioxide into the atmosphere (such as oligotrophic bogs of the boreal zone), there are sporadic sources (SS): intermittently flooded floodplains, boreal swamp forests, some intermittently swamp forests, etc. Despite the variability of SS as sources of methane, CH4 fluxes in floo

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Rohovskiy, S. "Analysis of structure and condition of the dendroflora of Kryukovshchina park in Kiev-Svyatoshyn district, Kyiv region." Agrobìologìâ, no. 2(142) (December 22, 2018): 79–89. http://dx.doi.org/10.33245/2310-9270-2018-142-2-79-89.

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Aims: to make a comprehensive analysis of the rural park dendroflora, to define the value of plantations and develop measures to preserve and reconstruct the plantations. The inventory was conducted in accordance with the regulations requirements. Plant species composition was determined by morphological features using the description of three-volume edition Dendroflora of Ukraine. Trunks diameter were measured using callipers, trees height – with an altimeter, approximate age was defined visually. The sanitary condition of trees was defined in compliance with the Sanitary Requirements for for

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Pin, A., R. Rinaldo, A. Tonello, et al. "Opportunistic channel estimation with LTE signals of limited bandwidth for positioning applications." EURASIP Journal on Wireless Communications and Networking 2023, no. 1 (2023). http://dx.doi.org/10.1186/s13638-023-02281-0.

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AbstractThe positioning problem is interesting in a variety of applications, especially in indoor environments or in urban canyons, where the position information obtainable with traditional Global Navigation Satellite Systems is limited. In this paper, we deal with the problem of estimating, for the purposes of positioning, the time of arrival (TOA) and the angle of arrival (AOA) by processing LTE 3GPP signals, with particular attention to the uplink signals. The main contribution of this paper is the definition of new opportunistic methods to estimate the TOA and the AOA using the upstream d

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Mäntyniemi, Samu, Inari Helle, and Ilpo Kojola. "Assessment of the residential Finnish wolf population combines DNA captures, citizen observations and mortality data using a Bayesian state-space model." European Journal of Wildlife Research 68, no. 6 (2022). http://dx.doi.org/10.1007/s10344-022-01615-5.

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AbstractAssessment of the Finnish wolf population relies on multiple sources of information. This paper describes how Bayesian inference is used to pool the information contained in different data sets (point observations, non-invasive genetics, known mortalities) for the estimation of the number of territories occupied by family packs and pairs. The output of the assessment model is a joint probability distribution, which describes current knowledge about the number of wolves within each territory. The joint distribution can be used to derive probability distributions for the total number of

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Rossi, Remo. "Parametric estimation of supplier's plant construction costs." SCENTIA International Economic Review 1, no. 2 (2022). http://dx.doi.org/10.52514/sier.v1i2.19.

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Cost engineers of buying enterprises perform detailed product cost calculations of externally manufactured components. The aim of these calculations is to determine what a product should cost and to support purchasing functions in fact-based negotiations. While product cost engineers have deep knowledge in the calculation of direct cost, they need support in the calculation of supplier´s indirect cost categories. The calculation of industrial rent, which is expressed in annual cost per m² of occupied plant building floor space can be improved by providing accurate construction cost estimates.

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Martinetto, Paulina, Juan Alberti, María Eugenia Becherucci, et al. "The blue carbon of southern southwest Atlantic salt marshes and their biotic and abiotic drivers." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-44196-w.

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AbstractCoastal vegetated ecosystems are acknowledged for their capacity to sequester organic carbon (OC), known as blue C. Yet, blue C global accounting is incomplete, with major gaps in southern hemisphere data. It also shows a large variability suggesting that the interaction between environmental and biological drivers is important at the local scale. In southwest Atlantic salt marshes, to account for the space occupied by crab burrows, it is key to avoid overestimates. Here we found that southern southwest Atlantic salt marshes store on average 42.43 (SE = 27.56) Mg OC·ha−1 (40.74 (SE = 2

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Abdul Salam, Ahmed O., Ray E. Sheriff, Saleh R. Al-Araji, Kahtan Mezher, and Qassim Nasir. "Adaptive Spectrum Sensing in Cognitive Radio Employing Multitaper Method and Higher-Order STBC Techniques." Engineering Science & Technology, November 19, 2024, 1–21. https://doi.org/10.37256/est.6120254856.

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The effects of the non-parametric multitaper method (MTM) and symmetrical higher-order space-time block-code (STBC) with full diversity techniques on the performance of spectrum sensing (SS) in cognitive radio (CR) systems are studied. The overall wireless link performance can be improved by using the STBC techniques to combat the multipath fading effects in wireless channels. The MTM is integrated with the STBC for spectrum estimation (SE), which will be termed multitaper spectrum estimation (MTSE)-STBC, and the given analysis of which is developed using the quadrature form approximation. Als

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"A Hybrid Detection Model for Epilepsy Seizure using FCM with MPSO and Decision Tree." International Journal of Recent Technology and Engineering 8, no. 6 (2020): 2670–74. http://dx.doi.org/10.35940/ijrte.f8097.038620.

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An Electroencephalogram (EEG) plays momentous role in appraising tolerant with irregular motion in their brain, EEG soundtrack of the tolerant occupied to scrutinize irregularity and categorize type of confusion there in the brain activity. An Electroencephalogram is a bioelectrical signal that records the brain’s electrical activity versus time. The illumination of EEG indication is a function of outline detection. The future system engaged DWT change for factor withdrawal and got measure EEG signals recurrence range identifying with seizure, partition them into five diverse space, for exampl

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Nassar, Yasser F., Hala J. El-Khozondar, Said O. Belhaj, Samer Y. Alsadi, and Nassir M. Abuhamoud. "View Factors in Horizontal Plane Fixed-Mode Solar PV Fields." Frontiers in Energy Research 10 (May 11, 2022). http://dx.doi.org/10.3389/fenrg.2022.859075.

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In solar PV fields, solar photovoltaic panels are typically arranged in parallel rows one after the other. This arrangement introduces variations in the distribution of solar irradiance over the entire field, compared to measurements recorded at meteorological weather stations and data obtained from climatic database platforms. This is due to the difference in the view factors between the rows of the solar PV field and a single surface, as well as the presence of shade on rear sides and in the space separating the rows. These phenomena combined will reduce the intensity of solar irradiance inc

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Angarita, Belcy K., Junjie Han, Rodolfo J. C. Cantet, et al. "Estimation of direct and social effects of feeding duration in growing pigs using records from automatic feeding stations." Journal of Animal Science 99, no. 5 (2021). http://dx.doi.org/10.1093/jas/skab042.

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Abstract Automatic feeding systems in pig production allow for the recording of individual feeding behavior traits, which might be influenced by the social interactions among individuals. This study fitted mixed models to estimate the direct and social effects on visit duration at the feeder of group-housed pigs. The dataset included 74,413 records of each visit duration time (min) event at the automatic feeder from 135 pigs housed in 14 pens. The sequence of visits at the feeder was employed as a proxy for the social interaction between individuals. To estimate animal effects, the direct effe

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Kuria, Loise W., Duncan M. Kimuyu, Mwangi J. Kinyanjui, George Wittemyer, and Festus W. Ihwagi. "Seasonal variation in the ranging behavior of elephants in the Laikipia‐Samburu ecosystem." Ecology and Evolution 14, no. 8 (2024). http://dx.doi.org/10.1002/ece3.70198.

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AbstractAfrican savanna elephants are a highly mobile species that ranges widely across the diversity of ecosystems they inhabit. In xeric environments, elephant movement patterns are largely dictated by the availability of water and suitable forage resources, which can drive strong seasonal changes in their movement behavior. In this study, we analyzed a unique movement dataset from 43 collared elephants, collected over a period of 10 years, to assess the degree to which seasonal changes influences home range size of elephants in the semi‐arid, Laikipia‐Samburu ecosystem of northern Kenya. Au

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Horelyk, S., A. Nechausov, and M. Levchenko. "Methodology for Organising the Process of Collecting Consolidated Evidence for the Ruination Registry Using Aerial Photography, Taking Into Account All Stages and Types of Operations." Zemleustrìj, kadastr ì monìtorìng zemelʹ 2024, no. 2 (2024). http://dx.doi.org/10.31548/zemleustriy2024.02.011.

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The armed aggression of the Russian Federation against Ukraine has led to significant destruction of the residential and municipal infrastructure of cities and towns not only in the occupied territories, but also in territories throughout the country due to massive rocket attacks. The problem of damage estimation for people who have lost their homes or have partial damage to their homes has a priority status, as the number of people staying in the streets is constantly growing, and social temporary housing is running out of space, as it is becoming permanent for them. Therefore, any state init

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