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26 Results Found

  • Article
  • Open Access
102 Citations
16,222 Views
29 Pages

31 May 2003

The theoretical method of determination of absolute atomic size, discussed in Int. J. Mol. Sci. 2002, 3, 87-113, is exploited to calculate absolute radii of the ions whose experimental radii are published by Shanon. The computed radii are found to re...

  • Article
  • Open Access
210 Citations
34,410 Views
27 Pages

28 February 2002

A set of theoretical atomic radii corresponding to the principal maximum in the radial distribution function, 4πr2R2 for the outermost orbital has been calculated for the ground state of 103 elements of the periodic table using Slater orbitals. The s...

  • Article
  • Open Access
9 Citations
4,665 Views
12 Pages

14 September 2021

Spiral pattern is formed for coaxial interference between two vortex beams with different radii of wavefront curvatures and different topological charges (TCs). A theoretical model considering various parameters (such as phase difference, radius of w...

  • Article
  • Open Access
16 Citations
2,736 Views
14 Pages

Modeling Superconducting Critical Temperature of 122-Iron-Based Pnictide Intermetallic Superconductor Using a Hybrid Intelligent Computational Method

  • Oluwatobi Akomolafe,
  • Taoreed O. Owolabi,
  • Mohd Amiruddin Abd Rahman,
  • Mohd Mustafa Awang Kechik,
  • Mohd Najib Mohd Yasin and
  • Miloud Souiyah

16 August 2021

Structural transformation and magnetic ordering interplays for emergence as well as suppression of superconductivity in 122-iron-based superconducting materials. Electron and hole doping play a vital role in structural transition and magnetism suppre...

  • Article
  • Open Access
4 Citations
1,954 Views
17 Pages

Climate Overrides the Influence of Microsite Conditions on Radial Growth of the Tall Multi-Stemmed Shrub Alnus alnobetula at Treeline

  • Walter Oberhuber,
  • Anna-Lena Dobler,
  • Tamara Heinzle,
  • Francesca Scandurra,
  • Andreas Gruber and
  • Gerhard Wieser

20 April 2023

Green alder (Alnus alnobetula), a tall multi-stemmed deciduous shrub, is widespread at high elevations in the Central European Alps. Its growth form frequently leads to asymmetric radial growth and anomalous growth ring patterns, making development o...

  • Article
  • Open Access
1,943 Views
13 Pages

16 April 2021

The collision effects on the low-frequency ion-acoustic Trivelpiece–Gould wave are investigated in weakly and completely ionized plasma waveguides by using the normal mode analysis. In weakly ionized plasma waveguides, it is found that the dependence...

  • Article
  • Open Access
6 Citations
3,152 Views
19 Pages

A Two-Dimensional Variational Scheme for Merging Multiple Satellite Altimetry Data and Eddy Analysis

  • Xingliang Jiang,
  • Lei Liu,
  • Zhijin Li,
  • Lingxiao Liu,
  • Kenny T. C. Lim Kam Sian and
  • Changming Dong

24 June 2022

With the increasing number of satellite altimeters in orbit, the effective resolution of merged multiple satellite altimetry data can be improved. We implement a two-dimensional variational (2-DVar) method to merge multiple satellite altimetry data a...

  • Article
  • Open Access
6 Citations
3,614 Views
27 Pages

Acoustic Pressure Pipette Aspiration Method Combined with Finite Element Analysis for Isotropic Materials

  • Mohammadali Maghzinajafabadi,
  • Raphael Lamprecht,
  • Marion Semmler and
  • Alexander Sutor

15 September 2019

A measurement setup combined with a numerical simulation by a linear finite element analysis is presented as a method to determine the elastic modulus of both artificial and real tissue as a function of frequency. At the end, the future goal is to de...

  • Article
  • Open Access
26 Citations
4,185 Views
22 Pages

16 April 2020

The thermal response of a magnetic solid to an applied magnetic field constitutes magnetocaloric effect. The maximum magnetic entropy change (MMEC) is one of the quantitative parameters characterizing this effect, while the magnetic solids exhibiting...

  • Article
  • Open Access
13 Citations
6,821 Views
16 Pages

Measuring Method of Slip Ratio for Tractor Driving Wheels Based on Machine Vision

  • Shaohua Zhu,
  • Lin Wang,
  • Zhongxiang Zhu,
  • Enrong Mao,
  • Yiming Chen,
  • Yuxi Liu and
  • Xianxu Du

17 February 2022

Tractors are prone to large slips when they are in field operation. The degree of slip plays a vital role in traction efficiency and fuel efficiency. This paper presents a method for measuring the slip ratio of tractors in field operation based on ma...

  • Article
  • Open Access
24 Citations
5,709 Views
32 Pages

A Laboratory Experiment for the Statistical Evaluation of Aerosol Retrieval (STEAR) Algorithms

  • Gregory L. Schuster,
  • W. Reed Espinosa,
  • Luke D. Ziemba,
  • Andreas J. Beyersdorf,
  • Adriana Rocha-Lima,
  • Bruce E. Anderson,
  • Jose V. Martins,
  • Oleg Dubovik,
  • Fabrice Ducos and
  • Richard H. Moore
  • + 4 authors

1 March 2019

We have developed a method for evaluating the fidelity of the Aerosol Robotic Network (AERONET) retrieval algorithms by mimicking atmospheric extinction and radiance measurements in a laboratory experiment. This enables radiometric retrievals that us...

  • Article
  • Open Access
5 Citations
1,842 Views
29 Pages

New Amphiphilic Terpolymers of N-Vinylpyrrolidone with Acrylic Acid and Triethylene Glycol Dimethacrylate as Promising Drug Delivery: Design, Synthesis and Biological Properties In Vitro

  • Svetlana V. Kurmaz,
  • Roman I. Komendant,
  • Evgenia O. Perepelitsina,
  • Vladimir A. Kurmaz,
  • Igor I. Khodos,
  • Nina S. Emelyanova,
  • Natalia V. Filatova,
  • Vera I. Amozova,
  • Anastasia A. Balakina and
  • Alexey A. Terentyev

The terpolymers of N-vinylpyrrolidone (VP) with acrylic acid and triethylene glycol methacrylate were synthesized with more than 90% yield by radical copolymerization in ethanol from monomeric mixtures of different molar composition (98:2:2, 95:5: 2...

  • Article
  • Open Access
7 Citations
1,988 Views
15 Pages

12 February 2024

Solid-state magnetocaloric-based magnetic refrigeration offers green and sustainable refrigeration with improved efficiency, compactness and environmental friendliness compared with commercialized gas compression refrigeration systems. Relative cooli...

  • Article
  • Open Access
4 Citations
4,345 Views
10 Pages

Comparison of Methods for Estimating Retinal Shape: Peripheral Refraction vs. Optical Coherence Tomography

  • Katharina Breher,
  • Alejandro Calabuig,
  • Laura Kühlewein,
  • Focke Ziemssen,
  • Arne Ohlendorf and
  • Siegfried Wahl

6 January 2021

Retinal shape presents a clinical parameter of interest for myopia, and has commonly been inferred indirectly from peripheral refraction (PRX) profiles. Distortion-corrected optical coherence tomography (OCT) scans offer a new and direct possibility...

  • Article
  • Open Access
11 Citations
2,666 Views
21 Pages

Squeeze Film Effect in Surface Micromachined Nano Ultrasonic Sensor for Different Diaphragm Displacement Profiles

  • Avik Ghosh Dastidar,
  • Reshmi Maity,
  • Ramesh Chandra Tiwari,
  • Dejan Vidojevic,
  • Tijana S. Kevkic,
  • Vojkan Nikolic,
  • Subhajit Das and
  • Niladri Pratap Maity

11 May 2023

In the present paper, we have analytically explored the small variations of the local pressure in the trapped air film of both sides of the clamped circular capacitive micromachined ultrasonic transducer (CMUT), which consists of a thin movable membr...

  • Article
  • Open Access
3 Citations
3,167 Views
23 Pages

21 November 2019

The objective of this study was to develop a stem analysis data processing and computational algorithm and associated software suite that was (1) applicable to temperate and boreal forest tree species, (2) mathematically consistent with excurrent tre...

  • Article
  • Open Access
7 Citations
4,504 Views
19 Pages

Theoretical Impact of Intraocular Lens Design Variations on the Accuracy of IOL Power Calculations

  • Damien Gatinel,
  • Guillaume Debellemanière,
  • Alain Saad,
  • Radhika Rampat and
  • Jacques Malet

11 May 2023

To ascertain the theoretical impact of optical design variations of the intraocular lens (IOL) on the accuracy of IOL power formulas based on a single lens constant using a thick lens eye model. This impact was also simulated before and after optimiz...

  • Article
  • Open Access
4 Citations
2,550 Views
20 Pages

Eco-friendly magnesium-based thermoelectric materials have recently attracted significant attention in green refrigeration technology and wasted heat recovery applications due to their cost effectiveness, non-toxicity, and earth abundance. The energy...

  • Article
  • Open Access
5 Citations
1,974 Views
15 Pages

27 October 2023

“Three straight and two flat” is the inevitable demand when realizing the intelligent mining of a fully mechanized mining face. To address the crucial technical issue of lacking accurate perception of the shape of the scraper conveyor dur...

  • Article
  • Open Access
8 Citations
3,037 Views
21 Pages

10 November 2023

Exploring the built environment factor’s impact on metro ridership can help develop metro station area planning strategies. This is in order to compensate for the shortcomings of previous studies, which mostly used all uniform pedestrian catchm...

  • Article
  • Open Access
6 Citations
2,609 Views
16 Pages

27 May 2022

The modeling of laser transmission characteristics in complex seawater is fundamental for bathymetric and oceanographic laser detection systems. Because the factors affecting laser transmission in seawater are independent of one another, firstly, in...

  • Article
  • Open Access
8 Citations
3,675 Views
13 Pages

17 January 2020

Tree-ring stable isotopes are insightful proxies providing information on pre-instrumental climate fluctuations, yet the variability of these data within a tree trunk has not been fully explored. Here, we analyze longitudinal and circumferential chan...

  • Article
  • Open Access
884 Views
30 Pages

10 December 2025

This study explores the role of decentralized physical infrastructure networks (DePINs) in enhancing solar energy forecasting, focusing on how network density influences prediction accuracy and economic viability. Using machine learning models applie...

  • Article
  • Open Access
3,010 Views
18 Pages

14 July 2023

Due to the rapid development of computers, researchers have made efforts since the 1990s to develop typhoon forecasting models and stochastic typhoon simulation models to assess typhoon disasters and risks. Typhoon forecasting models are primarily us...

  • Article
  • Open Access
9 Citations
3,691 Views
17 Pages

14 November 2022

3D road networks are amongst the indispensable elements of a smart city, which has been explored in various ways. However, researchers still faces challenges extracting 3D networks on a large scale. The global digital surface models (DSMs) with relat...

  • Article
  • Open Access
18 Citations
4,743 Views
36 Pages

The New Volcanic Ash Satellite Retrieval VACOS Using MSG/SEVIRI and Artificial Neural Networks: 2. Validation

  • Dennis Piontek,
  • Luca Bugliaro,
  • Jayanta Kar,
  • Ulrich Schumann,
  • Franco Marenco,
  • Matthieu Plu and
  • Christiane Voigt

7 August 2021

Volcanic ash clouds can damage aircrafts during flight and, thus, have the potential to disrupt air traffic on a large scale, making their detection and monitoring necessary. The new retrieval algorithm VACOS (Volcanic Ash Cloud properties Obtained f...