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519 Results Found

  • Article
  • Open Access
481 Views
19 Pages

A New Method for Detecting Plastic-Mulched Land Using GF-2 Imagery

  • Shixian Lu,
  • Shuyuan Zheng,
  • Cheng Chen,
  • Shanshan Liu,
  • Jian Dao,
  • Chenwei Xu and
  • Jianxiong Wang

11 November 2025

Plastic mulch residues threaten soil fertility and contribute to microplastic pollution, creating an urgent need for accurate, rapid mapping of plastic-mulched land (PML). This study presents a novel method for detecting PML from GF-2 imagery by intr...

  • Article
  • Open Access
1 Citations
2,127 Views
21 Pages

Variable Doppler Starting Point Keystone Transform for Radar Maneuvering Target Detection

  • Wei Jia,
  • Yuan Feng,
  • Xingshuai Qiao,
  • Tianrun Wang and
  • Tao Shan

12 June 2024

The Doppler band compensated by the keystone transform (KT) is limited. Therefore, it needs to be used in conjunction with the Doppler ambiguity compensation function to correct the range migration (RM) caused by maneuvering targets with Doppler ambi...

  • Article
  • Open Access
24 Citations
3,098 Views
22 Pages

6 January 2021

Ground moving targets will typically be defocused because of the range migration (RM) and Doppler frequency migration (DFM) caused by the unknown relative motions between the platform of synthetic aperture radar (SAR) and the ground moving targets. T...

  • Article
  • Open Access
877 Views
20 Pages

ANT-KT: Adaptive NAS Transformers for Knowledge Tracing

  • Shuanglong Yao,
  • Yichen Song,
  • Ye Liu,
  • Ji Chen,
  • Deyu Zhao and
  • Xing Wang

23 October 2025

Knowledge Tracing aims to assess students’ mastery of knowledge concepts in real time, playing a crucial role in providing personalized learning services in intelligent tutoring systems. In recent years, researchers have attempted to introduce...

  • Article
  • Open Access
4 Citations
3,257 Views
14 Pages

Discrete Shearlets as a Sparsifying Transform in Low-Rank Plus Sparse Decomposition for Undersampled (k, t)-Space MR Data

  • Nicholas E. Protonotarios,
  • Evangelia Tzampazidou,
  • George A. Kastis and
  • Nikolaos Dikaios

29 January 2022

The discrete shearlet transformation accurately represents the discontinuities and edges occurring in magnetic resonance imaging, providing an excellent option of a sparsifying transform. In the present paper, we examine the use of discrete shearlets...

  • Article
  • Open Access
1 Citations
1,808 Views
21 Pages

27 February 2025

Aiming to address the fundamental limitation of fixed activation functions that constrain network expressiveness in existing deep deblurring models, in this pioneering study, we introduced Kolmogorov–Arnold Networks (KANs) into the field of ful...

  • Article
  • Open Access
10 Citations
4,568 Views
13 Pages

11 February 2022

Ozawa has modified the Avrami model to treat non-isothermal crystallization kinetics. The resulting Ozawa–Avrami model yields the Avrami index (n) and heating/cooling function (χ(T)). There has been a number of recent applications of the Oz...

  • Article
  • Open Access
2 Citations
2,583 Views
15 Pages

Magnetic and Magnetostrictive Properties of Ni50Mn20Ga27Cu3 Rapidly Quenched Ribbons

  • Mihaela Sofronie,
  • Mugurel Tolea,
  • Bogdan Popescu,
  • Monica Enculescu and
  • Felicia Tolea

7 September 2021

The influence of the rapid solidification technique and heat treatment on the martensitic transformation, magnetic properties, thermo- and magnetic induced strain and electrical resistivity is investigated for the Cu doped NiMnGa Heusler-based ferrom...

  • Article
  • Open Access
15 Citations
7,187 Views
14 Pages

Magnetic Field-Induced Reverse Martensitic Transformation and Thermal Transformation Arrest Phenomenon of Ni41Co9Mn39Sb11 Alloy

  • Rie Y. Umetsu,
  • Xiao Xu,
  • Wataru Ito,
  • Takumi Kihara,
  • Kohki Takahashi,
  • Masashi Tokunaga and
  • Ryosuke Kainuma

18 December 2014

In order to investigate behavior of magnetic field-induced reverse martensitic transformation for Ni-Co-Mn-Sb, magnetization experiments up to a static magnetic field of 18 T and a pulsed magnetic field of 40 T were carried out. In the thermomagnetiz...

  • Review
  • Open Access
34 Citations
11,188 Views
23 Pages

23 May 2013

The purpose of this review was to investigate the correlation between magnetism and crystallographic structures as it relates to the martensite transformation of Ni2MnGa type alloys, which undergo martensite transformation below the Curie temperature...

  • Article
  • Open Access
1 Citations
2,285 Views
24 Pages

Dimensionality Reduction and Anomaly Detection Based on Kittler’s Taxonomy: Analyzing Water Bodies in Two Dimensional Spaces

  • Giovanna Carreira Marinho,
  • Wilson Estécio Marcílio Júnior,
  • Mauricio Araujo Dias,
  • Danilo Medeiros Eler,
  • Rogério Galante Negri and
  • Wallace Casaca

19 August 2023

Dimensionality reduction is one of the most used transformations of data and plays a critical role in maintaining meaningful properties while transforming data from high- to low-dimensional spaces. Previous studies, e.g., on image analysis, comparing...

  • Article
  • Open Access
11 Citations
3,511 Views
13 Pages

2 January 2022

The global economy, and agriculture, in particular, faces significant challenges and transformation pressures. A major challenge, and opportunity, is the transformation towards digital agriculture or agriculture 4.0, where knowledge transfer (KT) has...

  • Article
  • Open Access
3 Citations
2,550 Views
17 Pages

Volatilization Kinetics of Zinc from the Flotation Products of Low-Grade Lead–Zinc Oxide Ore during Carbothermic Reduction

  • Peng Zeng,
  • Chengyan Wang,
  • Minting Li,
  • Chang Wei,
  • Baozhong Ma,
  • Xingbin Li,
  • Zhigan Deng and
  • Xuchang Wei

12 March 2024

Zinc extraction from oxide ore has been paid more and more attention to due to the exhaustion of zinc sulfide ore resources. In this work, the volatilization kinetics of Zn from the flotation products of low-grade lead–zinc oxide ore during car...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,474 Views
17 Pages

20 August 2025

Niacin is a compound with a wide range of applications in pharmaceuticals, healthcare, food nutrition, animal breeding, cosmetics, etc. A recombinant Escherichia coli carrying the afnitA nitrilase gene was created to transform 3-cyanopyridine into ni...

  • Review
  • Open Access
2,164 Views
15 Pages

29 September 2025

Knowledge translation (KT) is an essential process in bridging the gap between research evidence and healthcare practice, particularly in community health and primary care settings. In Saudi Arabia, KT is gaining increasing importance as the healthca...

  • Review
  • Open Access
3 Citations
4,069 Views
20 Pages

5 October 2024

Artificial intelligence (AI) has a wide and increasing range of applications across various sectors. In medicine, AI has already made an impact in numerous fields, rapidly transforming healthcare delivery through its growing applications in diagnosis...

  • Article
  • Open Access
2 Citations
3,039 Views
23 Pages

24 January 2025

Manually crafted features often suffer from being subjective, having an inadequate accuracy, or lacking in robustness in recognition. Meanwhile, existing deep learning methods often overlook the structural and dynamic characteristics of the human han...

  • Review
  • Open Access
2 Citations
1,273 Views
20 Pages

Methane Emissions from Mining in the European Union

  • Magdalena Zięba and
  • Adam Smoliński

8 February 2025

Methane emissions from coal mining remain a significant environmental challenge in the European Union, particularly in the context of climate change commitments and the ongoing transformation of the energy sector. This article analyses methane emissi...

  • Article
  • Open Access
3 Citations
2,259 Views
13 Pages

8 October 2023

Knowledge tracing (KT) aims to trace a learner’s understanding or achievement of knowledge based on learning history. The surge in online learning systems has intensified the necessity for automated measurement of students’ knowledge stat...

  • Review
  • Open Access
8 Citations
6,172 Views
16 Pages

19 June 2022

Anguillid eels are the iconic example of catadromous fishes, because of their long-distance offshore spawning migrations. They are also a good model for research on the onset mechanisms of migrations to breeding areas, because the migrations begin in...

  • Article
  • Open Access
5 Citations
2,313 Views
17 Pages

28 July 2023

China has successively put forward ultra-low emission (ULE) transformation plans to reduce the air pollutant emissions of industrial pollutants since 2014. To assess the benefits of the ULE policy on regional air quality for Qinhuangdao, this study d...

  • Article
  • Open Access
9 Citations
2,197 Views
17 Pages

Forest Canopy Cover Inversion Exploration Using Multi-Source Optical Data and Combined Methods

  • Yuan Guan,
  • Xin Tian,
  • Wangfei Zhang,
  • Armando Marino,
  • Jimao Huang,
  • Yingwu Mao and
  • Han Zhao

26 July 2023

An accurate estimation of canopy cover can provide an important basis for forest ecological management by understanding the forest status and change patterns. The aim of this paper is to investigate the four methods of the random forest (RF), support...

  • Article
  • Open Access
11 Citations
2,910 Views
17 Pages

Changes in Sphingolipid Profile of Benzo[a]pyrene-Transformed Human Bronchial Epithelial Cells Are Reflected in the Altered Composition of Sphingolipids in Their Exosomes

  • Miroslav Machala,
  • Josef Slavík,
  • Ondrej Kováč,
  • Jiřina Procházková,
  • Kateřina Pěnčíková,
  • Martina Pařenicová,
  • Nicol Straková,
  • Jan Kotouček,
  • Pavel Kulich and
  • Steen Mollerup
  • + 2 authors

25 August 2021

Sphingolipids (SLs), glycosphingolipids (GSLs), and eicosanoids are bioactive lipids, which play important roles in the etiology of various diseases, including cancer. However, their content and roles in cancer cells, and in particular in the exosome...

  • Article
  • Open Access
8 Citations
3,104 Views
7 Pages

9 August 2020

Background and Objectives: Osteocalcin is the most abundant noncollagenous protein in bone matrix, which is considered a marker of bone formation. Previous studies indicate that circulating osteocalcin can be expressed by osteoblasts and even by oste...

  • Article
  • Open Access
1,007 Views
14 Pages

25 September 2024

Let H be a separable complex Hilbert space, B(H) the algebra of bounded linear operators on H, μ a finite Borel measure on R+ with the finite (n+1)-th moment, f(z):=∫R+e−tzdμ(t) for all ℜz⩾0,CΨ(H), and ||·||&Psi...

  • Review
  • Open Access
12 Citations
8,007 Views
17 Pages

This review explores the integration of artificial intelligence (AI) and machine learning (ML) into kidney transplantation (KT), set against the backdrop of a significant donor organ shortage and the evolution of ‘Next-Generation Healthcare&rsq...

  • Article
  • Open Access
2 Citations
2,261 Views
18 Pages

Wavelet Analysis of Atmospheric Ozone and Ultraviolet Radiation on Solar Cycle-24 over Lumbini, Nepal

  • Prakash M. Shrestha,
  • Suresh P. Gupta,
  • Usha Joshi,
  • Morgan Schmutzler,
  • Rudra Aryal,
  • Babu Ram Tiwari,
  • Binod Adhikari,
  • Narayan P. Chapagain,
  • Indra B. Karki and
  • Khem N. Poudyal

21 April 2024

This research aims to comprehensively examine the clearness index (KT), total ozone column (TOC), and ultraviolet A (UVA) and ultraviolet B radiation (UVB) over Lumbini, Nepal (27°28’ N, 83°16’ E, and 150 m above sea level) throug...

  • Feature Paper
  • Article
  • Open Access
1 Citations
5,136 Views
9 Pages

High Field X-ray Diffraction Study for Ni46.4Mn38.8In12.8Co2.0 Metamagnetic Shape Memory Film

  • Yoshifuru Mitsui,
  • Keiichi Koyama,
  • Makoto Ohtsuka,
  • Rie Y. Umetsu,
  • Ryosuke Kainuma and
  • Kazuo Watanabe

12 September 2017

The transformation behaviors on metamagnetic shape memory Ni46.4Mn38.8In12.8Co2.0 film were investigated by X-ray diffraction experiments in the temperature up to 473 K and magnetic fields µ0H up to 5 T. The prepared film showed the parent phase with...

  • Article
  • Open Access
4 Citations
1,572 Views
13 Pages

n-Quasi-m-Complex Symmetric Transformations

  • Abeer A. Al-Dohiman,
  • Sid Ahmed Ould Ahmed Mahmoud and
  • Basem Aref Frasin

28 August 2023

Our aim in this study is to consider a generalization of the concept of m-complex symmetric transformations to n-quasi-m-complex symmetric transformations. A map S∈B(Y) is said to be an n-quasi-m-complex symmetric transformation if there exists...

  • Article
  • Open Access
2 Citations
2,485 Views
20 Pages

An Improved Multi-Frame Coherent Integration Algorithm for Heterogeneous Radar

  • Yiheng Liu,
  • Hua Zhang,
  • Xuemei Wang,
  • Qinghai Dong and
  • Xiaode Lyu

14 August 2023

This paper proposes an improved multi-frame coherent integration algorithm to improve the detection performance of weak targets in heterogeneous radar. In the detection of weak targets, integration within a single frame may fail to provide sufficient...

  • Article
  • Open Access
1,176 Views
19 Pages

An Intrinsic Version of the k-Harmonic Equation

  • Lígia Abrunheiro and
  • Margarida Camarinha

22 August 2023

The notion of k-harmonic curves is associated with the kth-order variational problem defined by the k-energy functional. The present paper gives a geometric formulation of this higher-order variational problem on a Riemannian manifold M and describes...

  • Article
  • Open Access
2 Citations
2,653 Views
18 Pages

Synthesis of NiW Supported on an Al-Modified Cubic Ia3d Mesoporous KIT-5 Catalyst and Its Hydrodenitrogenation Performance of Quinoline

  • Xing Liu,
  • Shaoqing Guo,
  • Xin Li,
  • Lijing Yuan,
  • Hongyu Dong,
  • Zhenrong Li,
  • Haitao Cui and
  • Liangfu Zhao

14 October 2020

Pure KIT-5 and a series of Al-KT-X materials modified by different amounts of aluminum were synthesized by a direct hydrothermal method and acted as supports for the catalysts of a quinoline hydrodenitrification reaction with the NiW active phases su...

  • Feature Paper
  • Article
  • Open Access
1 Citations
683 Views
14 Pages

20 December 2024

This paper focuses on one-parameter semigroups of ρ-nonexpansive mappings Tt:C→C, where C is a subset of a modular space Xρ, the parameter t ranges over [0,+∞), and ρ is a convex modular with the Fatou property. The common fixe...

  • Article
  • Open Access
3,220 Views
18 Pages

23 April 2018

Let f be a band-limited function in L 2 ( R ) . Fix T > 0 , and suppose f ′ exists and is integrable on [ − T , T ] . This paper gives a concrete estimate of the error incurred when approximating f in the root mean squa...

  • Article
  • Open Access
5 Citations
3,687 Views
15 Pages

Expression of Colorectal Cancer Antigenic Protein Fused to IgM Fc in Chinese Cabbage (Brassica rapa)

  • Ye-Rin Lee,
  • Chae-Yeon Lim,
  • Sohee Lim,
  • Se Ra Park,
  • Jong-Pil Hong,
  • Jinhee Kim,
  • Hye-Eun Lee,
  • Kisung Ko and
  • Do-Sun Kim

30 October 2020

The epithelial cell adhesion molecule (EpCAM) is a tumor-associated antigen and a potential target for tumor vaccine. The EpCAM is a cell-surface glycoprotein highly expressed in colorectal carcinomas. The objective of the present study is to develop...

  • Article
  • Open Access
13 Citations
2,248 Views
17 Pages

An Efficient Method for Ground Maneuvering Target Refocusing and Motion Parameter Estimation Based on DPT–KT–MFP

  • Mingming Tian,
  • Guisheng Liao,
  • Shengqi Zhu,
  • Xiongpeng He,
  • Yongjun Liu and
  • Yunpeng Li

12 March 2021

The image of ground maneuvering targets may be defocused due to the Doppler ambiguity, high-order range migration (RM), and Doppler frequency migration (DFM) caused by the target’s complex motions in a synthetic aperture radar (SAR) system. To settle...

  • Article
  • Open Access
35 Citations
2,719 Views
14 Pages

19 December 2009

Microspheres (MS) of Ketorolac Tromethamine (KT) for oral delivery were prepared by complex coacervation (method-1) and simple coacervation (method-2) methods without the use of chemical cross–linking agent (glutaraldehyde) to avoid the toxic reactio...

  • Article
  • Open Access
14 Citations
3,507 Views
15 Pages

In this study, we propose a deep learning framework and a self-supervision scheme for video-based surgical gesture recognition. The proposed framework is modular. First, a 3D convolutional network extracts feature vectors from video clips for encodin...

  • Article
  • Open Access
1,447 Views
17 Pages

Unveiling the Stacking Fault-Driven Phase Transition Delaying Cryogenic Fracture in Fe-Co-Cr-Ni-Mo-C-Based Medium-Entropy Alloy

  • Hui Ding,
  • Zhenhang Du,
  • Haifeng Zhang,
  • Yu Liu,
  • Shiteng Zhao,
  • Yonggang Yang,
  • Changjun Wang,
  • Simin Lei,
  • Ruming Geng and
  • Chunxu Wang

22 May 2024

In this work, the tensile deformation mechanisms of the Fe55Co17.5Cr12.5Ni10Mo5−xCx-based medium-entropy alloy at room temperature (R.T.), 77 K, and 4.2 K are studied. The formation of micro-defects and martensitic transformation to delay the c...

  • Article
  • Open Access
82 Citations
7,750 Views
23 Pages

29 March 2018

In this article a new Transformer and Switched Capacitor-based Boost Converter (T & SC-BC) is proposed for high-voltage/low-current renewable energy applications. The proposed T & SC-BC is an original extension for DC-DC boost converter which...

  • Article
  • Open Access
8 Citations
3,707 Views
18 Pages

Magnetocaloric Effect, Structure, Spinodal Decomposition and Phase Transformations Heusler Alloy Ni-Mn-In

  • D. D. Kuznetsov,
  • E. I. Kuznetsova,
  • A. V. Mashirov,
  • A. S. Loshachenko,
  • D. V. Danilov,
  • V. I. Mitsiuk,
  • A. S. Kuznetsov,
  • V. G. Shavrov,
  • V. V. Koledov and
  • P. Ari-Gur

16 April 2023

Ni46Mn41In13 (close to 2-1-1 system) Heusler alloy was studied by magnetization measurement dependence on the temperature in magnetic fields of up to 13.5 T. The magnetocaloric effect measured by the direct method in quasi-adiabatic conditions showed...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,020 Views
13 Pages

In-Situ Study of Temperature- and Magnetic-Field-Induced Incomplete Martensitic Transformation in Fe-Mn-Ga

  • Xiaoming Sun,
  • Jingyi Cui,
  • Shaofu Li,
  • Zhiyuan Ma,
  • Klaus-Dieter Liss,
  • Runguang Li and
  • Zhen Chen

11 August 2023

Significant interest in the stoichiometric and off-stoichiometric Fe2MnGa alloys is based on their complex phase transition behavior and potential application. In this study, temperature- and magnetic-field-induced phase transformations in the Fe41.5...

  • Article
  • Open Access
21 Citations
4,184 Views
14 Pages

The objective of the current study work was to fabricate sodium poly(styrene sulfonate-co-poly acrylic acid) (SPSPAA) hydrogels by using a free radical co-polymerization method for controlled delivery of ketorolac tromethamine (KT). Polymer (sodium p...

  • Article
  • Open Access
2 Citations
3,598 Views
12 Pages

15 October 2024

Diffusion models have garnered significant attention in the field of image generation. However, existing denoising architectures, such as U-Net, face limitations in capturing the global context, while Vision Transformers (ViTs) may struggle with loca...

  • Article
  • Open Access
8 Citations
4,741 Views
13 Pages

Two Ni–Mn–Sn alloys substituted with 0.5 and 1 at.% Cr have been studied. The first alloy shows an average composition of Ni49.6Mn37.3Cr0.7Sn12.4 (e/a = 8.107), whereas the second has a multiphase microstructure with the matrix phase of an average Ni...

  • Article
  • Open Access
4 Citations
6,546 Views
10 Pages

26 September 2012

Adult T cell leukemia is a fatal malignant transformation caused by the human T-cell lymphoptropic virus type I (HTLV-I). HTLV-I is only associated with the development of this disease in a small percentage of infected individuals. Using two rabbit t...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,199 Views
18 Pages

Analytical Solutions to Minimum-Norm Problems

  • Almudena Campos-Jiménez,
  • José Antonio Vílchez-Membrilla,
  • Clemente Cobos-Sánchez and
  • Francisco Javier García-Pacheco

26 April 2022

For G∈Rm×n and g∈Rm, the minimization min∥Gψ−g∥2, with ψ∈Rn, is known as the Tykhonov regularization. We transport the Tykhonov regularization to an infinite-dimensional setting, that is min∥T(h)&m...

  • Article
  • Open Access
8 Citations
3,771 Views
20 Pages

DCKT: A Novel Dual-Centric Learning Model for Knowledge Tracing

  • Yixuan Chen,
  • Shuang Wang,
  • Fan Jiang,
  • Yaxin Tu and
  • Qionghao Huang

6 December 2022

Knowledge tracing (KT), aiming to model learners’ mastery of a concept based on their historical learning records, has received extensive attention due to its great potential in realizing personalized learning in intelligent tutoring systems. H...

  • Article
  • Open Access
2 Citations
4,218 Views
23 Pages

Enhancement of English-Bengali Machine Translation Leveraging Back-Translation

  • Subrota Kumar Mondal,
  • Chengwei Wang,
  • Yijun Chen,
  • Yuning Cheng,
  • Yanbo Huang,
  • Hong-Ning Dai and
  • H. M. Dipu Kabir

5 August 2024

An English-Bengali machine translation (MT) application can convert an English text into a corresponding Bengali translation. To build a better model for this task, we can optimize English-Bengali MT. MT for languages with rich resources, like Englis...

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