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1,214 Results Found

  • Article
  • Open Access
4 Citations
1,493 Views
19 Pages

Numerical Analysis on the Influence of Joint Density on the Stability of Complex Jointed Roadway Surrounding Rock

  • Wenhai Wang,
  • Chaolei Wu,
  • Yiming Yang,
  • Xiaohan Peng,
  • Lishuai Jiang and
  • Yifeng Huang

11 September 2023

The random distribution of a complex joint network within a coal–rock mass has a significant weakening effect on its bearing capacity, making the surrounding rock of the roadway highly susceptible to instability and failure under the influence...

  • Article
  • Open Access
44 Citations
4,414 Views
15 Pages

9 April 2019

The uncertainty of wind power brings many challenges to the operation and control of power systems, especially for the joint operation of multiple wind farms. Therefore, the study of the joint probability density function (JPDF) of multiple wind farm...

  • Article
  • Open Access
5 Citations
2,913 Views
9 Pages

CT-Based Evaluation of Volumetric Posterior Pelvic Bone Density with Implications for the Percutaneous Screw Fixation of the Sacroiliac Joint

  • Michał Kułakowski,
  • Karol Elster,
  • Michał Janiak,
  • Julia Kułakowska,
  • Paweł Żuchowski,
  • Rafał Wojciechowski,
  • Marta Dura,
  • Marcin Lech,
  • Krzysztof Korolczuk and
  • Mariusz Baumgart
  • + 2 authors

11 October 2024

Background: Operative treatment of fragility fractures of the pelvis has become a gold standard. Preoperative planning, including the assessment of the pathway for iliosacral screws, is crucial. The anchorage of the screw depends on the bone quality....

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,246 Views
16 Pages

Relationship between Feline Knee Joint Osteoarthritis and Bone Mineral Density Quantified Using Computed Tomography and Computed Digital Absorptiometry

  • Joanna Bonecka,
  • Bernard Turek,
  • Krzysztof Jankowski,
  • Marta Borowska,
  • Tomasz Jasiński,
  • Graham Smyth and
  • Małgorzata Domino

9 September 2024

Osteoarthritis (OA), including knee joint OA, is a common chronic condition in cats. In both cats and humans, knee joint OA is characterized radiographically by the presence of osteophytes, enthesiophytes, subchondral sclerosis, and joint space narro...

  • Article
  • Open Access
2 Citations
1,968 Views
17 Pages

Joint Probability Distribution of Extreme Wind Speed and Air Density Based on the Copula Function to Evaluate Basic Wind Pressure

  • Lianpeng Zhang,
  • Zeyu Zhang,
  • Chunbing Wu,
  • Xiaodong Ji,
  • Xinyue Xue,
  • Li Jiang and
  • Shihan Yang

29 November 2024

To investigate an appropriate wind load design for buildings considering dynamic air density changes, classical extreme value and copula theories were utilized. Using wind speed, air temperature, and air pressure data from 123 meteorological stations...

  • Article
  • Open Access
1 Citations
3,101 Views
17 Pages

28 January 2023

As the core component of the flexible nozzle on solid rocket motors, the flexible joint relies on the shear deformation of its silicone rubber elastomers to achieve a large vector angle, and the joint is prone to fatigue failure when working under hi...

  • Article
  • Open Access
1 Citations
1,802 Views
16 Pages

Selection of X-ray Tube Settings for Relative Bone Density Quantification in the Knee Joint of Cats Using Computed Digital Absorptiometry

  • Joanna Bonecka,
  • Bernard Turek,
  • Krzysztof Jankowski,
  • Marta Borowska,
  • Tomasz Jasiński,
  • Katarzyna Skierbiszewska and
  • Małgorzata Domino

5 September 2024

Bone mineral density (BMD) varies with aging and both systemic and local diseases; however, such evidence is lacking in feline medicine. This may be due to the need for general anesthesia in cats for direct BMD measurements using dual-energy X-ray ab...

  • Article
  • Open Access
2 Citations
1,933 Views
10 Pages

Osteoarthritic Bony Alterations of Temporomandibular Joint and Relation to Low Bone Mineral Density in Postmenopausal Edentulous Females

  • Laura Krumpane,
  • Evija Nikitina,
  • Laura Neimane,
  • Andris Abeltins,
  • Una Soboleva and
  • Anda Slaidina

26 July 2024

This study aimed to evaluate the relationship between osteoarthritic bony alterations in the temporomandibular joint (TMJ) and general bone mineral density (BMD) in postmenopausal edentulous females. Cone beam computed tomography (CBCT) scans for bot...

  • Article
  • Open Access
11 Citations
3,546 Views
19 Pages

11 August 2021

Leaf area index (LAI) and canopy chlorophyll density (CCD) are key biophysical and biochemical parameters utilized in winter wheat growth monitoring. In this study, we would like to exploit the advantages of three canonical types of spectral vegetati...

  • Article
  • Open Access
763 Views
18 Pages

Assessment of Bone Mineral Density, Total Body Composition and Joint Integrity in Long COVID: A 12-Month Longitudinal Feasibility Study

  • Fahad Alghamdi,
  • Abasiama Dick Obotiba,
  • Robert Meertens,
  • Omar Alshalawi,
  • Kinan Mokbel,
  • William David Strain and
  • Karen M. Knapp

2 December 2025

Background/Objectives: A subset of individuals develops persistent symptoms following SARS-CoV-2 infection, including musculoskeletal (MSK) manifestations, a condition known as long COVID (LC). Emerging hypotheses suggest that chronic low-grade infla...

  • Article
  • Open Access
13 Citations
3,503 Views
31 Pages

7 December 2022

Low-lying coastal communities are often threatened by compound flooding (CF), which can be determined through the joint occurrence of storm surges, rainfall and river discharge, either successively or in close succession. The trivariate distribution...

  • Article
  • Open Access
1 Citations
2,311 Views
10 Pages

10 August 2023

In this article, a graph-theoretic method (taking advantage of constraints among sets associated with the corresponding parity-check matrices) is applied for the construction of a double low-density parity-check (D-LDPC) code (also known as LDPC code...

  • Article
  • Open Access
5 Citations
9,061 Views
15 Pages

4 August 2017

In insulation joints, elastomeric U-shaped monolithic seals (UMSs) are replacing O-ring systems because of their enhanced sealing capabilities for the oil and gas industries. UMSs are compressed axially during assembly and radially when pressurized i...

  • Article
  • Open Access
11 Citations
4,085 Views
13 Pages

A Thermal Probability Density–Based Method to Detect the Internal Defects of Power Cable Joints

  • Li Zhang,
  • Xiyue LuoYang,
  • Yanjie Le,
  • Fan Yang,
  • Chun Gan and
  • Yinxian Zhang

27 June 2018

Internal defects inside power cable joints due to unqualified construction is the main issue of power cable failures, hence in this paper a method based on thermal probability density function to detect the internal defects of power cable joints is p...

  • Article
  • Open Access
511 Views
24 Pages

30 October 2025

In view of the special dispatching demands of isolated islands in low-density periods of renewable energy power generation, the defects of the traditional dispatching mode when applied to isolated power generation systems are analyzed, and the idea o...

  • Article
  • Open Access
7 Citations
2,773 Views
14 Pages

Mechanical Performance and Bond Integrity of Finger Jointed High-Density Sub-Tropical Hardwoods for Residential Decking

  • Adam Faircloth,
  • Chandan Kumar,
  • Robert L. McGavin,
  • Benoit P. Gilbert and
  • William Leggate

6 May 2023

Finger jointing has long been a method of extending the longitudinal span of short-length timber pieces through a tooth-like profile of a nominated length and bonded with adhesive. With the high-density hardwood resource in the sub-tropics, local ind...

  • Feature Paper
  • Article
  • Open Access
675 Views
17 Pages

30 June 2025

Randomized response models aim to protect respondent privacy when sampling sensitive variables but consequently compromise estimator efficiency. We propose a new sampling method, titled joint scrambling, which preserves all true responses while prote...

  • Article
  • Open Access
6 Citations
2,150 Views
18 Pages

19 June 2024

High-density polyethylene (HDPE) pipes are widely used for urban natural gas transportation. Pipes are usually welded using the technique of thermal butt fusion, which is prone to manufacturing defects that are detrimental to safe operation. This pap...

  • Proceeding Paper
  • Open Access
1 Citations
688 Views
8 Pages

This paper describes the numerical prediction of the fatigue strength at the toe of steel fillet-welded joints in conditions of HCF, comparing and integrating results from an energy-based approach based on the Average Strain Energy Density (A-SED) an...

  • Article
  • Open Access
9 Citations
5,706 Views
18 Pages

Energy Efficient Pico Cell Range Expansion and Density Joint Optimization for Heterogeneous Networks with eICIC

  • Yanzan Sun,
  • Wenqing Xia,
  • Shunqing Zhang,
  • Yating Wu,
  • Tao Wang and
  • Yong Fang

2 March 2018

Heterogeneous networks, constituted by conventional macro cells and overlaying pico cells, have been deemed a promising paradigm to support the deluge of data traffic with higher spectral efficiency and Energy Efficiency (EE). In order to deploy pico...

  • Article
  • Open Access
1 Citations
2,750 Views
14 Pages

Direct and Joint Effects of Genotype, Defoliation and Crop Density on the Yield of Three Inbred Maize Lines

  • Dejan Ranković,
  • Goran Todorović,
  • Marijenka Tabaković,
  • Slaven Prodanović,
  • Jan Boćanski and
  • Nenad Delić

The aim of this study was to observe direct and joint effects of three factors (genotypes, ecological environmental conditions and the applied crop density) on the level of defoliation intensity and yield. Three inbred lines (G) of maize (G1–L217RfC,...

  • Article
  • Open Access
2,244 Views
22 Pages

Molecular-Clump Detection Based on an Improved YOLOv5 Joint Density Peak Clustering

  • Jin-Bo Hu,
  • Yao Huang,
  • Sheng Zheng,
  • Zhi-Wei Chen,
  • Xiang-Yun Zeng,
  • Xiao-Yu Luo and
  • Chen Long

11 November 2023

The detection and analysis of molecular clumps can lead to a better understanding of star formation in the Milky Way. Herein, we present a molecular-clump-detection method based on improved YOLOv5 joint Density Peak Clustering (DPC). The method emplo...

  • Article
  • Open Access
7 Citations
4,582 Views
11 Pages

27 September 2019

Heterogeneous cellular networks (HCNs) have emerged as the primary solution for explosive data traffic. However, an increase in the number of base stations (BSs) inevitably leads to an increase in energy consumption. Energy efficiency (EE) has become...

  • Article
  • Open Access
8 Citations
3,439 Views
21 Pages

5 July 2024

The receiver operating characteristic (ROC) curve is a valuable statistical tool in medical research. It assesses a biomarker’s ability to distinguish between diseased and healthy individuals. The area under the ROC curve (AUC) and the Youden i...

  • Article
  • Open Access
5 Citations
3,715 Views
15 Pages

A Preliminary Protocol of Radiographic Image Processing for Quantifying the Severity of Equine Osteoarthritis in the Field: A Model of Bone Spavin

  • Bernard Turek,
  • Marta Borowska,
  • Krzysztof Jankowski,
  • Katarzyna Skierbiszewska,
  • Marek Pawlikowski,
  • Tomasz Jasiński and
  • Małgorzata Domino

25 June 2024

Osteoarthritis (OA) of the tarsal joint, also known as bone spavin, is a progressive joint disease that increases in severity with age. It is a significant cause of hind limb lameness, leading to a deterioration in the quality of life of horses, part...

  • Article
  • Open Access
5 Citations
2,980 Views
23 Pages

17 October 2021

Airborne (or satellite) gravity measurement is a commonly used remote sensing method to obtain the underground density distribution. Airborne gravity gradiometry data have a higher horizontal resolution to shallower causative sources than airborne gr...

  • Article
  • Open Access
6 Citations
7,308 Views
8 Pages

Trapezium Bone Density—A Comparison of Measurements by DXA and CT

  • Sebastian Breddam Mosegaard,
  • Kamille Breddam Mosegaard,
  • Nadia Bouteldja,
  • Torben Bæk Hansen and
  • Maiken Stilling

Bone density may influence the primary fixation of cementless implants, and poor bone density may increase the risk of implant failure. Before deciding on using total joint replacement as treatment in osteoarthritis of the trapeziometacarpal joint, i...

  • Article
  • Open Access
7 Citations
4,155 Views
12 Pages

(1) Background: The objective of this study was to determine physical and biomechanical changes in age groups upon running. (2) Method: 75 male adults (20–80s) participated in the study. Bone mineral density and lower extremity joint strength w...

  • Article
  • Open Access
9 Citations
3,361 Views
14 Pages

20 July 2022

Selective laser melting technology is one of the metal additive manufacturing technologies that can convert metal powder to complex parts without the assembly process. This study aims to optimize the volumetric laser energy density for printing 3D me...

  • Article
  • Open Access
7 Citations
2,152 Views
12 Pages

An Energy-Based Method for Lifetime Assessment on High-Strength-Steel Welded Joints under Different Pre-Strain Levels

  • Chengji Mi,
  • Zhonglin Huang,
  • Haibo Wang,
  • Dong Zhang,
  • Tao Xiong,
  • Haigen Jian,
  • Jiachang Tang and
  • Jianwu Yu

28 June 2022

Pre-loading on engineering materials or structures may produce pre-strain, especially plastic strain, which would change the fatigue failure mechanism during their service time. In this paper, an energy-based method for fatigue life prediction on hig...

  • Article
  • Open Access
7 Citations
3,991 Views
19 Pages

Metacarpophalangeal Joint Pathology and Bone Mineral Density Increase with Exercise but Not with Incidence of Proximal Sesamoid Bone Fracture in Thoroughbred Racehorses

  • Kira J. Noordwijk,
  • Leyi Chen,
  • Bianca D. Ruspi,
  • Sydney Schurer,
  • Brittany Papa,
  • Diana C. Fasanello,
  • Sean P. McDonough,
  • Scott E. Palmer,
  • Ian R. Porter and
  • Heidi L. Reesink
  • + 2 authors

24 February 2023

Proximal sesamoid bone (PSB) fracture is the leading cause of fatal musculoskeletal injury in Thoroughbred racehorses in Hong Kong and the US. Efforts are underway to investigate diagnostic modalities that could help identify racehorses at increased...

  • Article
  • Open Access
5 Citations
2,606 Views
15 Pages

Insulated rail joint (IRJ) as one of the components of the track circuit will be burned once the electric arc is generated when the train wheel passes through the insulated rail joint and the track circuit occurs the red-light band fault, which has a...

  • Feature Paper
  • Article
  • Open Access
2,668 Views
14 Pages

Asymmetrical Damage of the Wrist Joint Induces Lateralized Cortical Bone Loss in the Metacarpal Diaphysis in Patients with Rheumatoid Arthritis

  • Akikatsu Nakashima,
  • Hiroshi Fujii,
  • Masahiro Kuroda,
  • Takeshi Zoshima,
  • Ichiro Mizushima,
  • Hideki Nomura and
  • Mitsuhiro Kawano

16 December 2024

Background/Objectives: Osteoporosis is common in rheumatoid arthritis (RA), occurring either systemically or locally around inflamed joints. Decreased metacarpal bone density is a known marker of RA progression and hand function impairment. Although...

  • Feature Paper
  • Article
  • Open Access
6 Citations
2,257 Views
17 Pages

22 September 2022

The space charge characteristics of cross-linked polyethylene (XLPE) can be improved to some extent by doping the appropriate amount of nano-MgO. In this study, in order to explore the influence of nano-MgO on the space charge and electric field dist...

  • Article
  • Open Access
42 Citations
8,473 Views
13 Pages

17 April 2013

Analysis of knee joint vibration or vibroarthrographic (VAG) signals using signal processing and machine learning algorithms possesses high potential for the noninvasive detection of articular cartilage degeneration, which may reduce unnecessary expl...

  • Article
  • Open Access
4 Citations
3,082 Views
17 Pages

15 September 2022

This paper presents a method to assess the load transfer efficiency (LTE) of concrete pavement joints using distributed optical vibration sensors. First, a theoretical analysis of concrete pavement vibration was conducted to investigate how to reflec...

  • Feature Paper
  • Article
  • Open Access
15 Citations
2,864 Views
11 Pages

27 November 2022

The withdrawal and lateral holding properties of three types of plywood with one stapled as well as one-row multi-stapled joints were studied and compared. The results show that variations in plywood density have a significant effect on withdrawal st...

  • Systematic Review
  • Open Access
5 Citations
3,480 Views
21 Pages

Bone Mineral Density, Bone Biomarkers, and Joints in Acute, Post, and Long COVID-19: A Systematic Review

  • Fahad Alghamdi,
  • Kinan Mokbel,
  • Robert Meertens,
  • Abasiama Dick Obotiba,
  • Mansour Alharbi,
  • Karen M. Knapp and
  • William David Strain

30 October 2024

SARS-CoV-2 is highly transmissible and affects the respiratory system. People with COVID-19 are at higher risk of physical and mental health conditions, which could impact bone health. The aim of this review was to explore the effects of COVID-19 on...

  • Article
  • Open Access
2 Citations
4,477 Views
11 Pages

6 November 2014

In this article, we consider the generalized Erlang risk model and its dual model. By using a conditional measure-preserving correspondence between the two models, we derive an identity for two interesting conditional probabilities. Applications to t...

  • Article
  • Open Access
68 Citations
2,006 Views
26 Pages

In the present study, a total of 360 FE analyses were carried out on tubular X-joints strengthened with collar plates under brace tension under laboratory testing conditions (20 °C) and various fire conditions. The generated FE models were valida...

  • Article
  • Open Access
1 Citations
2,350 Views
16 Pages

21 November 2021

For planar closed-loop structures with clearances, the angular and positional error uncertainties are studied. By using the vector translation method and geometric method, the boundaries of the errors are analyzed. The joint clearance is considered a...

  • Article
  • Open Access
1 Citations
1,572 Views
11 Pages

20 January 2025

Bolted joints, prevalent in industrial applications for component fastening, are susceptible to self-loosening—a critical issue resulting in a gradual reduction in clamping force. Gaining insight into the underlying mechanisms of self-loosening...

  • Article
  • Open Access
2 Citations
616 Views
16 Pages

On the Stochastic Motion Induced by Magnetic Fields in Random Environments

  • Yun Jeong Kang,
  • Jae Won Jung,
  • Sung Kyu Seo and
  • Kyungsik Kim

21 March 2025

Here, we study the Navier–Stokes equation for the motion of a passive particle based on the Fokker–Planck equation in an incompressible conducting fluid induced by a magnetic field subject to an exponentially correlated Gaussian force in...

  • Article
  • Open Access
13 Citations
4,883 Views
24 Pages

19 October 2018

Polyethylene (PE) gas pipes can be jointed together by electrofusion PE fittings, which have sockets that are fused onto the pipe. Additionally, electrofused PE patches can be used to repair defected pipes. When these pipelines are buried under the g...

  • Article
  • Open Access
29 Citations
4,320 Views
19 Pages

Multivariate Analysis of Agronomic Traits in Newly Developed Maize Hybrids Grown under Different Agro-Environments

  • Mohamed Omar,
  • Hassan A. Rabie,
  • Saber A. Mowafi,
  • Hisham T. Othman,
  • Diaa Abd El-Moneim,
  • Khadiga Alharbi,
  • Elsayed Mansour and
  • Mohamed M. A. Ali

28 April 2022

Developing high-yielding maize hybrids is essential under the fast-growing global population and abrupt global climate change. Planting density is one of the imperative components for enhancing maize productivity. This study assessed newly developed...

  • Article
  • Open Access
14 Citations
4,837 Views
11 Pages

Fatigue Strength Assessment of Steel Rollers: On the Reliability of the Strain Energy Density Approach on Real Components

  • Francesco Chebat,
  • Mirco Peron,
  • Luigi Mario Viespoli,
  • Torgeir Welo and
  • Filippo Berto

21 June 2018

Welded joints are one of the most widely applied methods to join different steel components. However, they introduce stress concentrators that are commonly known to reduce the fatigue strength of structures. Several methods have been developed to ass...

  • Article
  • Open Access
3 Citations
3,789 Views
24 Pages

11 October 2021

The Long Valley Caldera, located at the eastern edge of the Sierra Nevada range in California, has been in a state of unrest since the late 1970s. Seismic, gravity and geodetic data strongly suggest that the source of unrest is an intrusion beneath t...

  • Article
  • Open Access
18 Citations
4,830 Views
16 Pages

Gravity Data Inversion with Method of Local Corrections for Finite Elements Models

  • Petr S. Martyshko,
  • Igor V. Ladovskii,
  • Denis D. Byzov and
  • Alexander G. Tsidaev

We present a new method for gravity data inversion for the linear problem (reconstruction of density distribution by given gravity field). This is an iteration algorithm based on the ideas of local minimization (also known as local corrections method...

  • Article
  • Open Access
1 Citations
2,437 Views
16 Pages

19 February 2023

A key component of the joint source-channel coding (JSCC) scheme based on double low-density parity-check (D-LDPC) codes is the introduction of a linking matrix between the source LDPC code and channel LDPC code, by which the decoding information inc...

  • Article
  • Open Access
2 Citations
1,375 Views
20 Pages

12 November 2024

High-density polyethylene (HDPE) pipelines are extensively utilized in energy transportation in the ocean. However, long-term exposure to water can alter the performance of HDPE, potentially leading to pipeline accidents. This study focuses on simula...

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