Results 71 to 80 of about 1,373,260 (211)

A general formula for calculating surface area of the similarly shaped leaves: Evidence from six Magnoliaceae species

Global Ecology and Conservation, 2020
Leaf area is an important indicator of photosynthetic capacity in plants. Knowledge of the variation of leaf shape at an individual level or a population level can help by accurately calculate leaf area.
Jiayan He, Gadi V.P. Reddy, Mengdi Liu, Peijian Shi   +3 more
doaj   +1 more source

Research on Parameter Inversion of Coal Mining Subsidence Prediction Model Based on Improved Whale Optimization Algorithm

Energies
Rapid coal mining results in a series of mining subsidence damages. Predicting surface movement and deformation accurately is essential to reducing mining damage.
Qingbiao Guo, Boqing Qiao, Yingming Yang, Junting Guo   +3 more
doaj   +1 more source

Modeling of the output current of a photovoltaic grid-connected system using random forests technique

Energy Exploration & Exploitation, 2018
This study presents a prediction technique for the output current of a photovoltaic grid-connected system by using random forests technique. Experimental data of a photovoltaic grid-connected system are used to train and validate the proposed model ...
Ibrahim A Ibrahim, Tamer Khatib, Azah Mohamed, Wilfried Elmenreich   +3 more
doaj   +1 more source

An effective parameter estimation on thermoelectric devices for power generation based on multiverse optimization algorithm

Results in Engineering
This study explores using the Multiverse Optimization Algorithm to estimate the material properties of thermoelectric generators used for power generation. The modeling of these modules is complex due to nonlinear differential equations and the challenge
Luis Fernando Grisales-Noreña, Vanessa Botero-Gómez, Rubén Iván Bolaños, Faustino Moreno-Gamboa, Daniel Sanin-Villa   +4 more
doaj   +1 more source

Waveform Agile Sensing Approach for Tracking Benchmark in the Presence of ECM using IMMPDAF [PDF]

Radioengineering, 2017
This paper presents an efficient approach based on waveform agile sensing, to enhance the performance of benchmark target tracking in the presence of strong interference.
G. S. Satapathi, S. Pathipati
doaj  

Comparison of Entropy Methods for an Optimal Rain Gauge Network: A Case Study of Daegu and Gyeongbuk Area in South Korea

Applied Sciences, 2020
To reduce hydrological disasters, it is necessary to operate rain gauge stations at locations where the spatio-temporal characteristics of rainfall can be reflected.
Taeyong Kwon, Junghyun Lim, Seongsim Yoon, Sanghoo Yoon   +3 more
doaj   +1 more source

Pemilihan Metode Intensitas Hujan yang Sesuai dengan Stasiun Hujan Pekanbaru [PDF]

, 2015
The rainfall intensity is the depth of water per unit time. Rainfall intensity can also be approached by using methods of Mononobe, Van Breen, Haspers Weduwen and Bell Tanimoto.
Astuti, F. U. (Febrira), Handayani, Y. L. (Yohanna), Hendri, A. (Andy)   +2 more
core  

Predictive model for congenital heart disease in children of Pakistan by using structural equation modeling

BMC Medical Informatics and Decision Making
Background The structural abnormality of the heart and its blood vessels at the time of birth is known as congenital heart disease. Every year in Pakistan, sixty thousand children are born with CHD, and 44 in 1000 die before they are a month old. Various
Sana Shahid, Haris Khurram, Muhammad Ahmed Shehzad, Muhammad Aslam   +3 more
doaj   +1 more source

Computational simulation of frontal impact of motorcycle telescopic fork [PDF]

, 2015
This paper presents modelling aspects of a high fidelity finite element model of a motorcycle telescopic fork. For validation purpose, a series of impact tests of which a frontal impact load imposed on the individual fork by a rigid striker was conducted
Megat Ahmad, Megat Mohamad Hamdan, Tan, Kean Sheng, Wong, Shaw Voon   +2 more
core   +1 more source

Optimization of groundwater quality monitoring network in the Rafsanjan aquifer using geostatistical kriging algorithm and vulnerability mapping [PDF]

علوم زمین خوارزمی, 2023
Spatial distribution of groundwater quality data and a reasonable monitoring network, which are usually collected from monitoring wells, are required for the management of groundwater resources.
Majid Dashti Barmaki, Amir Saberinasr, Zahra Yazdani Noori   +2 more
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