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307 Results Found

  • Feature Paper
  • Article
  • Open Access
633 Views
30 Pages

20 August 2025

The Generalized Inner Product SCALing (GIPSCAL) model is a specialized tool for analyzing square asymmetric tables within asymmetric multidimensional scaling (MDS), with applications in sociology (e.g., social mobility tables) and marketing (e.g., br...

  • Article
  • Open Access
4 Citations
2,982 Views
19 Pages

A Novel Estimation Method of Water Surface Micro-Amplitude Wave Frequency for Cross-Media Communication

  • Jianping Luo,
  • Xingdong Liang,
  • Qichang Guo,
  • Tinggang Zhao,
  • Jihao Xin and
  • Xiangxi Bu

20 November 2022

Cross-media communication underpins many vital applications, especially in underwater resource exploration and the biological population monitoring domains. Water surface micro-amplitude wave (WSAW) frequency detection is the key to cross-media commu...

  • Article
  • Open Access
6 Citations
2,126 Views
15 Pages

8 September 2022

In this paper, the generalized helical hypersurfaces x=x(u,v,w) with a time-like axis in Minkowski spacetime E14 are considered. The first and the second fundamental form matrices, the Gauss map, and the shape operator matrix of x are calculated. Mor...

  • Article
  • Open Access
22 Citations
3,544 Views
15 Pages

20 November 2019

Grassland biomass is an essential part of the regional carbon cycle. Rapid and accurate estimation of grassland biomass is a hot topic in research on grassland ecosystems. This study was based on field-measured biomass data and satellite remote sensi...

  • Article
  • Open Access
3 Citations
1,561 Views
14 Pages

21 September 2023

In this study, we first generalize the Lorentzian inner and vector products, and then we define the generalized split quaternions by means of the generalized Lorentzian inner and vector products. Next, on any hyperboloid of one or two sheets, which i...

  • Article
  • Open Access
5 Citations
3,798 Views
9 Pages

1 April 2021

The aim of this paper is to provide a suitable definition for the concept of fuzzy inner product space. In order to achieve this, we firstly focused on various approaches from the already-existent literature. Due to the emergence of various studies o...

  • Article
  • Open Access
5 Citations
4,388 Views
25 Pages

5 December 2020

Studies in adults showed differential neural processing between overt and inner speech. So far, it is unclear whether inner and overt speech are processed differentially in children. The present study examines the pre-activation of the speech network...

  • Article
  • Open Access
7 Citations
3,925 Views
16 Pages

Classification of Complex Fuzzy Numbers and Fuzzy Inner Products

  • Jin Hee Yoon,
  • Taechang Byun,
  • Ji Eun Lee and
  • Keun Young Lee

20 September 2020

The paper is concerned with complex fuzzy numbers and complex fuzzy inner product spaces. In the classical complex number set, a complex number can be expressed using the Cartesian form or polar form. Both expressions are needed because one expressio...

  • Article
  • Open Access
1 Citations
1,523 Views
22 Pages

Bombieri-Type Inequalities and Their Applications in Semi-Hilbert Spaces

  • Najla Altwaijry,
  • Silvestru Sever Dragomir and
  • Kais Feki

26 May 2023

This paper presents new results related to Bombieri’s generalization of Bessel’s inequality in a semi-inner product space induced by a positive semidefinite operator A. Specifically, we establish new inequalities that generalize the class...

  • Article
  • Open Access
6 Citations
3,659 Views
24 Pages

Biosynthesis of the Inner Core of Bordetella pertussis Lipopolysaccharides: Effect of Mutations on LPS Structure, Cell Division, and Toll-like Receptor 4 Activation

  • Jesús Pérez-Ortega,
  • Ria van Boxtel,
  • Michel Plisnier,
  • Dominique Ingels,
  • Nathalie Devos,
  • Steven Sijmons and
  • Jan Tommassen

9 December 2023

Previously developed whole-cell vaccines against Bordetella pertussis, the causative agent of whooping cough, appeared to be too reactogenic due to their endotoxin content. Reduction in endotoxicity can generally be achieved through structural modifi...

  • Article
  • Open Access
5 Citations
2,759 Views
19 Pages

Eigenvalue Problem for Discrete Jacobi–Sobolev Orthogonal Polynomials

  • Juan F. Mañas-Mañas,
  • Juan J. Moreno-Balcázar and
  • Richard Wellman

3 February 2020

In this paper, we consider a discrete Sobolev inner product involving the Jacobi weight with a twofold objective. On the one hand, since the orthonormal polynomials with respect to this inner product are eigenfunctions of a certain differential opera...

  • Article
  • Open Access
9 Citations
3,388 Views
14 Pages

The Impact of Strip Roads on the Productivity of Spruce Plantations

  • Andrius Kuliešis,
  • Marius Aleinikovas,
  • Edgaras Linkevičius,
  • Andrius A. Kuliešis,
  • Jonas Saladis,
  • Mindaugas Škėma,
  • Benas Šilinskas and
  • Lina Beniušienė

13 October 2018

Strip roads serve to enable silviculture operations, maintain biodiversity, and decrease damages to the soil and environment. At the same time, strip roads decrease the productive area. The aim of this study is to evaluate the influence of strip road...

  • Article
  • Open Access
1 Citations
1,077 Views
19 Pages

Genome-Wide Association Analysis Revealed Candidate Genes Related to Early Growth Traits in Inner Mongolia Cashmere Goats

  • Youjun Rong,
  • Xiaofang Ao,
  • Furong Guo,
  • Xinle Wang,
  • Mingxuan Han,
  • Lu Zhang,
  • Qincheng Xia,
  • Fangzheng Shang,
  • Qi Lv and
  • Zhiying Wang
  • + 4 authors

20 February 2025

The Inner Mongolia cashmere goat is a local breed valued for both its cashmere and meat production. Early growth traits include birth weight and weaning weight. Generally, cashmere goats with higher birth and weaning weights tend to exhibit a higher...

  • Article
  • Open Access
6 Citations
2,159 Views
21 Pages

Comparative Analysis of Three Near-Surface Air Temperature Reanalysis Datasets in Inner Mongolia Region

  • Yanqin Xu,
  • Shuai Han,
  • Chunxiang Shi,
  • Rui Tao,
  • Jiaojiao Zhang,
  • Yu Zhang and
  • Zheng Wang

30 August 2023

Near-surface air temperature is important for climate change, agriculture, animal husbandry, and ecosystems undergoing climate warming in Inner Mongolia. Land surface reanalysis products feature finer spatial and temporal resolutions, that can provid...

  • Article
  • Open Access
13 Citations
2,985 Views
37 Pages

3 June 2020

In this article, we prove an orthogonal decomposition theorem for real inner product gyrogroups, which unify some well-known gyrogroups in the literature: Einstein, Möbius, Proper Velocity, and Chen’s gyrogroups. This leads to the study of...

  • Review
  • Open Access
43 Citations
9,660 Views
21 Pages

2 November 2020

Oxidative stress is an important mechanism underlying cellular damage of the inner ear, resulting in hearing loss. In order to prevent hearing loss, several types of antioxidants have been investigated; several experiments have shown their ability to...

  • Review
  • Open Access
11 Citations
4,237 Views
16 Pages

23 February 2023

Uncoupling proteins (UCPs) are identified as carriers of proton ions between the mitochondrial inner membrane and the mitochondrial matrix. ATP is mainly generated through oxidative phosphorylation in mitochondria. The proton gradient is generated ac...

  • Article
  • Open Access
12 Citations
3,553 Views
18 Pages

Structural Design Simulation of Bayonet Heat Exchanger for Sulfuric Acid Decomposition

  • Qunxiang Gao,
  • Ping Zhang,
  • Wei Peng,
  • Songzhe Chen and
  • Gang Zhao

14 January 2021

The heat generated in a high-temperature gas-cooled reactor can be used to drive the iodine-sulfur cycle to produce hydrogen. However, the sulfuric acid decomposition step requires a sophisticated sulfuric acid decomposer to increase the decompositio...

  • Perspective
  • Open Access
1 Citations
2,524 Views
10 Pages

Vectors are almost always introduced as objects having magnitude and direction. Following that idea, textbooks and courses introduce the concept of a vector norm and the angle between two vectors. While this is correct and useful for vectors in two-...

  • Article
  • Open Access
4 Citations
3,934 Views
18 Pages

The Quantum Geometric Tensor in a Parameter-Dependent Curved Space

  • Joan A. Austrich-Olivares and
  • Jose David Vergara

2 September 2022

We introduce a quantum geometric tensor in a curved space with a parameter-dependent metric, which contains the quantum metric tensor as the symmetric part and the Berry curvature corresponding to the antisymmetric part. This parameter-dependent metr...

  • Article
  • Open Access
825 Views
12 Pages

29 April 2025

Recent findings have demonstrated that the desalination and purification of contaminated water and the separation of ions and gases, besides solutions to other related issues, may all be achieved with the use of membranes based on artificial nanoporo...

  • Article
  • Open Access
12 Citations
3,863 Views
15 Pages

Biocompatibility of Bone Marrow-Derived Mesenchymal Stem Cells in the Rat Inner Ear following Trans-Tympanic Administration

  • Adrien A. Eshraghi,
  • Emre Ocak,
  • Angela Zhu,
  • Jeenu Mittal,
  • Camron Davies,
  • David Shahal,
  • Erdogan Bulut,
  • Rahul Sinha,
  • Viraj Shah and
  • Mario M. Perdomo
  • + 1 author

Recent advancements in stem cell therapy have led to an increased interest within the auditory community in exploring the potential of mesenchymal stem cells (MSCs) in the treatment of inner ear disorders. However, the biocompatibility of MSCs with t...

  • Article
  • Open Access
41 Citations
8,283 Views
14 Pages

Centrifugally Spun Recycled PET: Processing and Characterization

  • Phu Phong Vo,
  • Hoan Ngoc Doan,
  • Kenji Kinashi,
  • Wataru Sakai,
  • Naoto Tsutsumi and
  • Dai Phu Huynh

19 June 2018

Centrifugal spinning, which is a high-productivity fiber fabrication technique, was used to produce a value-added product from recycled poly(ethylene terephthalate) (rPET). In the present study, rPET fibers, with fiber diameters ranging from submicro...

  • Article
  • Open Access
644 Views
15 Pages

Research on Diagnostic Methods for Gas Generation Due to Degradation of Cable PVC Materials Under Electrical and Thermal Stress

  • Peng Zhang,
  • Xingwang Huang,
  • Jingang Su,
  • Zhen Liu,
  • Xianhai Pang,
  • Zihao Wang and
  • Yidong Chen

13 November 2025

Polyvinyl chloride (PVC), owing to its excellent electrical properties and low cost, is widely applied in the inner insulation and outer sheath of cables. To achieve early fault warning based on characteristic gases, this study integrates experimenta...

  • Article
  • Open Access
1,177 Views
23 Pages

Modeling a Standard Loop-Mediated Isothermal Amplification Reaction and Its Modification Involving Additional Inner Primers

  • Liana U. Akhmetzianova,
  • Constantin I. Mikhaylenko,
  • Dmitry A. Chemeris,
  • Valery D. Khairitdinov,
  • Assol R. Sakhabutdinova,
  • Irek M. Gubaydullin,
  • Ravil R. Garafutdinov and
  • Alexey V. Chemeris

Loop-mediated isothermal amplification (LAMP) was developed a quarter of a century ago, but it is still not exactly clear how this reaction proceeds. Only a few articles have focused on the kinetics of LAMP and the types of products formed. In this w...

  • Article
  • Open Access
32 Citations
5,557 Views
24 Pages

20 April 2020

A non-Hermitian operator H defined in a Hilbert space with inner product ⟨ · | · ⟩ may serve as the Hamiltonian for a unitary quantum system if it is η -pseudo-Hermitian for a metric operator (positive-definit...

  • Article
  • Open Access
1,309 Views
15 Pages

9 November 2022

Based on the previous study of a single medium model, the dual medium model for the fractured composite reservoir and the triple medium model for a fracture–cavity composite reservoir was established, respectively. The similarities and differen...

  • Article
  • Open Access
3 Citations
3,306 Views
13 Pages

Effects of the Nozzle Configuration with and without an Internal Guide Vane on the Efficiency in Cross-Flow Small Hydro Turbines

  • Fredys Romero-Menco,
  • Juan Pineda-Aguirre,
  • Laura Velásquez,
  • Ainhoa Rubio-Clemente and
  • Edwin Chica

5 May 2024

In this work, an experimental analysis of the performance of a cross-flow turbine, commonly referred to as a Michell–Banki turbine (MBT), is carried out for small-scale hydropower production in rural areas located in developing countries to sup...

  • Article
  • Open Access
5 Citations
3,270 Views
14 Pages

24 June 2022

Non-Hermitian (NH) quantum theory has been attracting increased research interest due to its featured properties, novel phenomena, and links to open and dissipative systems. Typical NH systems include PT-symmetric systems, pseudo-Hermitian systems, a...

  • Article
  • Open Access
1 Citations
1,113 Views
26 Pages

22 November 2024

This article focuses on generalized octonions which include real octonions, split octonions, semi octonions, split semi octonions, quasi octonions, split quasi octonions and para octonions in special cases. We make a classification according to the i...

  • Article
  • Open Access
45 Citations
5,535 Views
17 Pages

Key Areas of Ecological Restoration in Inner Mongolia Based on Ecosystem Vulnerability and Ecosystem Service

  • Siyuan Feng,
  • Xin Liu,
  • Wenwu Zhao,
  • Ying Yao,
  • Ao Zhou,
  • Xiaoxing Liu and
  • Paulo Pereira

7 June 2022

Inner Mongolia is located in China’s arid and semi-arid regions, with sensitive and fragile ecosystems at risk of increased desertification, necessitating ecological restoration. However, economic resources for large-scale ecological restoratio...

  • Article
  • Open Access
3 Citations
2,701 Views
15 Pages

6 January 2023

The generalized eigenvalue problem for a symmetric definite matrix pencil obtained from finite-element modeling of electroelastic materials is solved numerically by the Lanczos algorithm. The mass matrix is singular in the considered problem, and the...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,243 Views
22 Pages

11 June 2024

The paper revisits the formulation of the second law in continuum physics and investigates new methods of exploitation. Both the entropy flux and the entropy production are taken to be expressed by constitutive equations. In three-dimensional setting...

  • Article
  • Open Access
1,338 Views
19 Pages

Power Bounds for the Numerical Radius of the Off-Diagonal 2 × 2 Operator Matrix

  • Najla Altwaijry,
  • Silvestru Sever Dragomir and
  • Kais Feki

12 September 2024

In this paper, we employ a generalization of the Boas–Bellman inequality for inner products, as developed by Mitrinović–Pečarić–Fink, to derive several upper bounds for the 2p-th power with p≥1 of the numerical rad...

  • Article
  • Open Access
11 Citations
2,862 Views
21 Pages

Depositional Environment and Organic Matter Enrichment of Early Cambrian Niutitang Black Shales in the Upper Yangtze Region, China

  • Peng Xia,
  • Fang Hao,
  • Jinqiang Tian,
  • Wenxi Zhou,
  • Yong Fu,
  • Chuan Guo,
  • Zhen Yang,
  • Kunjie Li and
  • Ke Wang

22 June 2022

Natural gas generation is the result of organic matter degradation under the effects of biodegradation and thermal degradation. Early Cambrian black shales in the Upper Yangtze Region are rich in organic matter and have shown great shale gas potentia...

  • Article
  • Open Access
80 Citations
7,755 Views
14 Pages

Evaluation of the Phenolic Profile of Castanea sativa Mill. By-Products and Their Antioxidant and Antimicrobial Activity against Multiresistant Bacteria

  • Vanessa Silva,
  • Virgílio Falco,
  • Maria Inês Dias,
  • Lillian Barros,
  • Adriana Silva,
  • Rosa Capita,
  • Carlos Alonso-Calleja,
  • Joana S. Amaral,
  • Gilberto Igrejas and
  • Isabel C. F. R. Ferreira
  • + 1 author

20 January 2020

The chestnut industry generates a large amount of by-products. These agro-industrial wastes have been described as potential sources of phenolic compounds with high bioactive potential. Therefore, we aimed to extract the phenolic compounds from chest...

  • Article
  • Open Access
3 Citations
1,527 Views
13 Pages

26 July 2023

Temporary plugging and diversion fracturing (TPDF) is a common method to increase production and efficiency in shale gas reservoirs, but the growth law of diversion fractures and the temporary plugging mechanism are still unclear, which restricts the...

  • Article
  • Open Access
3 Citations
2,846 Views
23 Pages

11 September 2021

Axial cracking and circumferential wrinkling are found at the end of seamless steel tubes during multi-pass large deformations pushing diameter-reducing (PDR), which seriously affects product quality. However, the cracking and wrinkling mechanism of...

  • Article
  • Open Access
2 Citations
2,796 Views
10 Pages

19 July 2021

We introduce a new geometric constant Jin(X) based on a generalization of the parallelogram law, which is symmetric and related to the length of the inscribed quadrilateral side of the unit ball. We first investigate some basic properties of this new...

  • Article
  • Open Access
42 Citations
3,138 Views
13 Pages

11 February 2019

It has been shown by explicit and exact calculation that the geometric product formula i.e., area (or entropy) product formula of outer horizon ( H + ) and inner horizon ( H − ) for charged accelerating black hole (BH) should ne...

  • Article
  • Open Access
9 Citations
3,534 Views
17 Pages

29 December 2021

As a clean form of energy utilization, wind power is important for alleviating climate change. Although no direct carbon emissions occur in wind power generation, there exist upstream carbon emissions from manufacturing and installation, which have i...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,027 Views
16 Pages

Heat and Mass Transfer in Structural Ceramic Blocks: An Analytical and Phenomenological Approach

  • Stephane K. B. M. Silva,
  • Carlos J. Araújo,
  • João M. P. Q. Delgado,
  • Ricardo S. Gomez,
  • Hortência L. F. Magalhães,
  • Maria J. Figueredo,
  • Juliana A. Figueirôa,
  • Mirenia K. T. Brito,
  • José N. O. Neto and
  • Adriana B. C. Pereira
  • + 2 authors

28 September 2022

The ceramic industry is one of the pillars of the Brazilian economy, characterized by making low-cost products and an obsolete manufacturing process from a technological point of view. Among the various stages of production of ceramic materials, dryi...

  • Article
  • Open Access
16 Citations
3,497 Views
24 Pages

17 October 2023

Frequent mining activities create a series of geological and environmental problems resulting in an immeasurable loss of life and property. Adopting effective technologies that monitor the surface subsidence of mining areas reliably and accurately is...

  • Article
  • Open Access
8 Citations
1,732 Views
23 Pages

3 November 2021

In generalized inner product Sobolev spaces we investigate elliptic differential problems with additional unknown functions or distributions in boundary conditions. These spaces are parametrized with a function OR-varying at infinity. This characteri...

  • Article
  • Open Access
2 Citations
1,668 Views
10 Pages

1 July 2024

Three species of subfamily Cultrinae currently live in Korea, but Erythroculter erythropterus has been introduced into the Nakdonggang River and has taken over the habitat, reducing the habitat of Culter brevicauda. Only the endangered species C. bre...

  • Article
  • Open Access
1,200 Views
28 Pages

24 January 2025

To improve the heat transfer mechanisms from the thermal energy to the walls, the current work presents a new structure for a micro combustor fueled by hydrogen featuring a diamond-shaped bifurcated inner-tube configuration. For this purpose, a serie...

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