Skip Content
You are currently on the new version of our website. Access the old version .

2,166 Results Found

  • Article
  • Open Access
9 Citations
2,530 Views
17 Pages

4 January 2023

Here, laboratory tests were conducted to examine the effects of natural fracture density (NFD) on the propagation of hydraulic fracture (HF), HF and natural fracture (NF) interaction, and the formation of the stimulated reservoir volume (SRV). Labora...

  • Article
  • Open Access
10 Citations
3,125 Views
17 Pages

26 July 2020

In shale gas development, fracture density is an important lithologic parameter to properly characterize reservoir reconstruction, establish a fracturing scheme, and calculate porosity and permeability. The traditional methods usually assume that the...

  • Article
  • Open Access
891 Views
18 Pages

26 June 2025

Fluid flow and mass transfer processes in some fractured aquifers are negligible in the low-permeability rock matrix and occur mainly in the fracture network. In this work, we consider coupled variable-density flow (VDF) and mass transport with disso...

  • Article
  • Open Access
5 Citations
2,545 Views
12 Pages

Site-Specific Differences in Bone Mineral Density of Proximal Femur Correlate with the Type of Hip Fracture

  • Ning Li,
  • Yi Yuan,
  • Lu Yin,
  • Minghui Yang,
  • Yandong Liu,
  • Wenshuang Zhang,
  • Kangkang Ma,
  • Fengyun Zhou,
  • Zitong Cheng and
  • Xiaoguang Cheng
  • + 1 author

The aim of this study was to investigate whether site-specific differences in bone mineral density (BMD) of proximal femur correlate with the type of hip fracture using quantitative computed tomography. Femoral neck (FN) fractures were classified as...

  • Article
  • Open Access
1 Citations
1,973 Views
31 Pages

29 March 2024

Many methods have been developed to detect and predict the fracture properties of fractured rocks. The standard data sources for fracture evaluations are image logs and core samples. However, many wells do not have these data, especially for old well...

  • Article
  • Open Access
4 Citations
3,100 Views
17 Pages

13 February 2025

Background/Objectives: Osteoporosis is a global problem that will increase as the population increases and ages, requiring prevention, early detection, and appropriate treatment. An increasing loss in bone mineral density (BMD) is the hallmark of ost...

  • Article
  • Open Access
1,535 Views
11 Pages

7 February 2025

Introduction: The relationships between calcium, bone mineral density, and hip fracture have been studied for a long time, but there are still different opinions on the matter. The aim of this study was to decipher the relationship between these fact...

  • Article
  • Open Access
1 Citations
1,793 Views
10 Pages

Comparison of Bone Mineral Density Between Veterans and Non-Veterans and Its Impact on Fracture Risk Assessment

  • Ya-Lien Deng,
  • Chun-Sheng Hsu,
  • Yi-Ming Chen,
  • Shih-Yi Lin,
  • Tse-Yu Chen,
  • Chi-Ruei Li,
  • Hsu-Tung Lee and
  • Ying-Chia Wu

4 November 2024

Background and Objectives: Osteoporosis poses significant health risks, especially among veterans, due to lifestyle factors. This study compares bone density and fracture risks between male veterans and non-veterans. Materials and Methods: We co...

  • Article
  • Open Access
29 Citations
10,753 Views
21 Pages

Environmental Stress Cracking of High-Density Polyethylene Applying Linear Elastic Fracture Mechanics

  • Maximilian Thuy,
  • Miquel Pedragosa-Rincón,
  • Ute Niebergall,
  • Harald Oehler,
  • Ingo Alig and
  • Martin Böhning

14 June 2022

The crack propagation rate of environmental stress cracking was studied on high-density polyethylene compact tension specimens under static loading. Selected environmental liquids are distilled water, 2 wt% aqueous Arkopal N100 solution, and two mode...

  • Article
  • Open Access
19 Citations
4,437 Views
13 Pages

17 May 2022

Background: We investigated the prevalence of and the factors associated with a high risk of osteoporotic fractures in Korean patients with ankylosing spondylitis (AS). Methods: This was a multicenter, retrospective study including 219 AS patients fr...

  • Article
  • Open Access
14 Citations
5,398 Views
8 Pages

5 June 2021

Recent cohort studies indicate a potential role of the antioxidant α-tocopherol in reducing bone loss and risk of fractures, especially hip fractures. We performed a Mendelian randomization investigation of the associations of circulating α-tocophero...

  • Article
  • Open Access
3 Citations
2,254 Views
10 Pages

8 September 2024

Myasthenia gravis (MG) patients often require long-term glucocorticoid therapy, which may affect bone health. This study aimed to assess long-term changes in bone mineral density (BMD), evaluate osteoporotic fracture incidence, and examine the relati...

  • Article
  • Open Access
15 Citations
4,163 Views
13 Pages

28 February 2020

This paper provides a complete overview of the applicability of the Equivalent Material Concept in conjunction with the Average Strain Energy Density criterion, to provide predictions of fracture loads in structural materials containing U-notches. Th...

  • Systematic Review
  • Open Access
13 Citations
13,776 Views
12 Pages

Association of Coffee and Tea Intake with Bone Mineral Density and Hip Fracture: A Meta-Analysis

  • Chun-Ching Chen,
  • Yu-Ming Shen,
  • Siou-Bi Li,
  • Shu-Wei Huang,
  • Yi-Jie Kuo and
  • Yu-Pin Chen

20 June 2023

Background and Objectives: Osteoporosis is characterized by low bone mass and high bone fragility. Findings regarding the association of coffee and tea intake with osteoporosis have been inconsistent. We conducted this meta-analysis to investigate wh...

  • Article
  • Open Access
613 Views
18 Pages

Effect of Current Density on Shear Performance and Fracture Behavior of Cu/Sn-58Bi/Cu Solder Joints

  • Kailin Pan,
  • Zimeng Chen,
  • Menghao Liu,
  • Zhanglong Ke,
  • Bo Wang,
  • Kaixuan He,
  • Wei Huang and
  • Siliang He

31 October 2025

Characterized by its low melting temperature of 138 °C, the eutectic Sn-58Bi solder expands the melting temperature range of interconnect joints in electronic packaging, making it widely used in multi-level packaging processes. However, its relia...

  • Systematic Review
  • Open Access
25 Citations
16,691 Views
13 Pages

Effect of Vitamin K on Bone Mineral Density and Fracture Risk in Adults: Systematic Review and Meta-Analysis

  • Salma,
  • Syed Sufian Ahmad,
  • Shahid Karim,
  • Ibrahim M. Ibrahim,
  • Huda M. Alkreathy,
  • Mohammed Alsieni and
  • Mohammad Ahmed Khan

Summary: Recent studies have proposed that adequate intake of Vitamin K (VK) is associated with a low risk of fracture and high bone mineral density (BMD) to improve skeletal health in adults. This systematic review was designed to summarize the most...

  • Article
  • Open Access
19 Citations
5,695 Views
24 Pages

16 March 2022

Natural rock slopes require accurate engineering–geological characterization to determine their stability conditions. Given that a natural rock mass is often characterized by a non-uniform fracture distribution, the correct, detailed, and accurate ch...

  • Article
  • Open Access
9 Citations
3,686 Views
16 Pages

9 April 2021

Polycarbonate (PC) has a wide range of applications in the electronic, transportation, and biomedical industries. In addition, investigation on the applicability to use PC in superstrate photovoltaic modules is ongoing research. In this paper, PC is...

  • Review
  • Open Access
23 Citations
5,534 Views
12 Pages

19 November 2020

Introduction: Awareness of psoriasis-related comorbidities has been established in the current guidelines; however, evidence regarding the association of bone density or bone fragility with psoriatic disease remains inconclusive. Methods: We conducte...

  • Article
  • Open Access
1,415 Views
12 Pages

1 December 2024

Background: This study aimed to investigate the impact of physical performance of geriatric women on their fracture risk and bone mineral density (BMD) assessed with radiofrequency echographic multispectrometry (REMS). Methods: We conducted a prospec...

  • Review
  • Open Access
7 Citations
5,675 Views
58 Pages

16 October 2023

Osteoporosis is a health condition that involves weak bone mass and a deteriorated microstructure, which consequently lead to an increased risk of bone fractures with age. In elderly people, a fracture attributable to osteoporosis elevates mortality....

  • Article
  • Open Access
1,550 Views
14 Pages

Objectives: To employ artificial intelligence (AI) to automatically measure bone mineral density (BMD) and intramuscular fat in computed tomography (CT) images of patients with fractures and explore the association between these parameters and fractu...

  • Article
  • Open Access
3 Citations
1,576 Views
12 Pages

29 February 2024

Fused deposition modeling (FDM) is widely employed in prototyping due to its cost-effectiveness, speed, and ability to produce detailed and functional prototypes using a variety of materials. Simultaneously, consideration for the use of biodegradable...

  • Article
  • Open Access
22 Citations
2,364 Views
14 Pages

23 March 2022

This paper provides a methodology for the prediction of fracture loads in additively manufactured ABS material containing U-notches. The approach is based on the Average Strain Energy Density (ASED) criterion, which assumes that the material being an...

  • Article
  • Open Access
21 Citations
3,966 Views
18 Pages

25 January 2018

The main goal of this paper is the application of the Strain Energy Density (SED) criterion and the Theory of Critical Distances (TCD), both of them in combination with the Equivalent Material Concept (EMC), to predict the fracture loads of aluminum...

  • Article
  • Open Access
1,728 Views
11 Pages

Association Between Bone Mineral Density Around the Stem, Morphology of the Proximal Femur, and Effects of Osteoporosis Treatment in Patients with Femoral Neck Fracture

  • Keisuke Oe,
  • Shinya Hayashi,
  • Tomoaki Fukui,
  • Yoshitada Sakai,
  • Shunsuke Takahara,
  • Takashi Iwakura,
  • Atsushi Sakurai,
  • Etsuo Shoda,
  • Ryosuke Kuroda and
  • Takahiro Niikura

Background/Objectives: The aim of this study was to evaluate changes in bone mineral density (BMD) around the stem in elderly patients with femoral neck fractures who underwent hemiarthroplasty using a collared and full hydroxyapatite coated cementle...

  • Systematic Review
  • Open Access
1,172 Views
25 Pages

9 December 2025

Background/Objectives: Dietary patterns play a crucial role in musculoskeletal health; however, the effects of different diets on bone mineral density (BMD), fracture risk, and bone metabolism remain inconsistent across studies. This systematic revie...

  • Article
  • Open Access
31 Citations
3,710 Views
11 Pages

Triglyceride Glucose–Body Mass Index Is a Reliable Indicator of Bone Mineral Density and Risk of Osteoporotic Fracture in Middle-Aged and Elderly Nondiabetic Chinese Individuals

  • Zhangxin Wen,
  • Yongfang Li,
  • Lulu Xu,
  • Chun Yue,
  • Qinyi Wang,
  • Rong Chen,
  • Na Ding,
  • Xiaoli Qu,
  • Yangna Ou and
  • Hong Liu
  • + 2 authors

26 September 2022

(1) Background: This study aimed to investigate the relationship of triglyceride glucose–body mass index (TyG-BMI) with bone mineral density (BMD), femoral neck geometry, and risk of fracture in middle-aged and elderly Chinese individuals. (2)...

  • Article
  • Open Access
22 Citations
4,819 Views
9 Pages

10 May 2017

It has been demonstrated that low bone mass and vitamin D deficiency occur in adult patients receiving home parenteral nutrition (HPN). The aim of this study is to determine the prevalence of vitamin D insufficiency and deficiency and its relationshi...

  • Article
  • Open Access
30 Citations
5,795 Views
33 Pages

3 July 2017

Hydraulic fracturing is an important method to enhance permeability in oil and gas exploitation projects and weaken hard roofs of coal seams to reduce dynamic disasters, for example, rock burst. It is necessary to fully understand the mechanism of th...

  • Review
  • Open Access
88 Citations
11,490 Views
29 Pages

Dietary Patterns, Bone Mineral Density, and Risk of Fractures: A Systematic Review and Meta-Analysis

  • Edgar Denova-Gutiérrez,
  • Lucía Méndez-Sánchez,
  • Paloma Muñoz-Aguirre,
  • Katherine L. Tucker and
  • Patricia Clark

5 December 2018

The aim of this systematic review was to assess the evidence on the relation between dietary patterns, bone mineral density (BMD), and risk of fracture in different age groups. Medline and Embase were searched for articles that identified dietary pat...

  • Feature Paper
  • Article
  • Open Access
30 Citations
5,698 Views
13 Pages

Low Bone Mineral Density and Risk for Osteoporotic Fractures in Patients with Chronic Pancreatitis

  • Miroslav Vujasinovic,
  • Lorena Nezirevic Dobrijevic,
  • Ebba Asplund,
  • Wiktor Rutkowski,
  • Ana Dugic,
  • Mashroor Kahn,
  • Ingrid Dahlman,
  • Maria Sääf,
  • Hannes Hagström and
  • Johannes-Matthias Löhr

13 July 2021

Introduction: Chronic pancreatitis (CP) can lead to malnutrition, an established risk factor for low bone mineral density (BMD) and fractures. This study aims to determine the prevalence of low BMD, assess fracture incidence and explore risk factors...

  • Article
  • Open Access
1,529 Views
20 Pages

Beyond Bone Mineral Density: Real-World Fracture Risk Profiles and Therapeutic Gaps in Postmenopausal Osteoporosis

  • Anamaria Ardelean,
  • Delia Mirela Tit,
  • Roxana Furau,
  • Oana Todut,
  • Gabriela S. Bungau,
  • Roxana Maria Sânziana Pavel,
  • Bogdan Uivaraseanu,
  • Diana Alina Bei and
  • Cristian Furau

Background/Objectives: Osteoporosis remains a leading cause of morbidity in postmenopausal women, yet many high-risk individuals remain undiagnosed or untreated. This study aimed to assess the prevalence of osteoporosis and osteopenia, treatment patt...

  • Article
  • Open Access
84 Citations
16,968 Views
12 Pages

Alcohol Consumption, Bone Mineral Density, and Risk of Osteoporotic Fractures: A Dose–Response Meta-Analysis

  • Justyna Godos,
  • Francesca Giampieri,
  • Emanuele Chisari,
  • Agnieszka Micek,
  • Nadia Paladino,
  • Tamara Y. Forbes-Hernández,
  • José L. Quiles,
  • Maurizio Battino,
  • Sandro La Vignera and
  • Giuseppe Grosso
  • + 1 author

Excess alcohol consumption is known to be detrimental to human health. However, the role of light-to-moderate alcohol intake is under investigation for potential certain health benefits—mostly related to the cardiovascular system. Nevertheless,...

  • Article
  • Open Access
799 Views
20 Pages

Diagnostic Value of Opportunistic CT-Based Bone Density Assessment in Patients with and Without Sacral Insufficiency Fractures

  • Julian Ramin Andresen,
  • Guido Schröder,
  • Thomas Haider,
  • Hans-Christof Schober and
  • Reimer Andresen

19 November 2025

Background/Objectives: This retrospective observational cohort examined whether opportunistic CT-derived Hounsfield units (HU) of the lumbar spine and proximal femur together with serum 25-OH-vitamin D can predict sacral insufficiency fractures (SIF)...

  • Article
  • Open Access
1,379 Views
15 Pages

The geometry of rock mass fractures is typically characterized through geological and geotechnical investigations. Detailed descriptions of granitic host rock can yield valuable data for constructing fracture network models. However, significant disc...

  • Article
  • Open Access
5 Citations
3,697 Views
12 Pages

Causal Relationships between Air Pollutant Exposure and Bone Mineral Density and the Risk of Bone Fractures: Evidence from a Two-Stage Mendelian Randomization Analysis

  • Xiao Hu,
  • Yan Zhao,
  • Tian He,
  • Zhao-Xing Gao,
  • Peng Zhang,
  • Yang Fang,
  • Man Ge,
  • Yi-Qing Xu,
  • Hai-Feng Pan and
  • Peng Wang

30 December 2023

A number of studies from the literature have suggested that exposure to air pollutants is associated with a declined bone mineral density (BMD), and increased risks of osteoporosis (OP) and bone fractures. This study was performed to systemically ass...

  • Article
  • Open Access
14 Citations
4,307 Views
17 Pages

27 October 2018

A numerical model was developed to investigate the influence of gravitational force on the transport of colloids in a single horizontal fracture–matrix system. Along with major transport phenomena, prominence was given to study the mass flux at...

  • Article
  • Open Access
3 Citations
2,942 Views
13 Pages

Automated Opportunistic Trabecular Volumetric Bone Mineral Density Extraction Outperforms Manual Measurements for the Prediction of Vertebral Fractures in Routine CT

  • Sophia S. Goller,
  • Jon F. Rischewski,
  • Thomas Liebig,
  • Jens Ricke,
  • Sebastian Siller,
  • Vanessa F. Schmidt,
  • Robert Stahl,
  • Julian Kulozik,
  • Thomas Baum and
  • Alexandra S. Gersing
  • + 2 authors

Opportunistic osteoporosis screening using multidetector CT-scans (MDCT) and convolutional neural network (CNN)-derived segmentations of the spine to generate volumetric bone mineral density (vBMD) bears the potential to improve incidental osteoporot...

  • Article
  • Open Access
8 Citations
3,879 Views
15 Pages

Dynamic Fracture Resistance under Plane Strain Conditions of High-Density Polyethylene Nanoclay Composites

  • H. R. López-Cabrera,
  • U. Figueroa-López,
  • A. C. Taylor and
  • A. Guevara-Morales

6 February 2023

Polymer nanoclay composites have received significant attention due to their substantially enhanced mechanical, thermal and barrier properties. However, the effect of these nanoclays on the dynamic fracture resistance of a polymer matrix during fast...

  • Article
  • Open Access
1 Citations
3,431 Views
12 Pages

Effects of Resistance Training Experience on Bone Mineral Density and Stress Fractures in Female College Athletes: A Retrospective Cohort Study

  • Tetsuro Kobayashi,
  • Shotaro Seki,
  • Mengrong Liu,
  • Itaru Chiba,
  • Takashi Oguro,
  • Yosuke Makino,
  • Yasunaga Kobayashi,
  • Hiroyuki Matsumoto and
  • Inkwan Hwang

10 July 2025

This study aimed to investigate the effects of resistance training (RT) experience on bone mineral density (BMD) and stress fractures (SFs) in female collegiate athletes. Overall, 492 female athletes from 16 competitive sports were included. Sports w...

  • Article
  • Open Access
21 Citations
4,674 Views
10 Pages

13 December 2017

Polyetheretherketone (PEEK) has gained interest in many industrial applications due to its high strength-to-weight ratio, excellent heat tolerance and high corrosion resistance. Stress concentrators such as notches and geometrical discontinuities are...

  • Article
  • Open Access
7 Citations
3,896 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
1 Citations
2,427 Views
14 Pages

6 April 2023

Background: Effects of anti-citrullinated polypeptide antibodies (ACPA) on the bone mineral density (BMD) reduction and incidence of major osteoporotic fractures (MOF) in patients with rheumatoid arthritis (RA) were evaluated using a retrospective lo...

  • Article
  • Open Access
5 Citations
4,503 Views
22 Pages

Fracture Toughness Analysis of Aluminum (Al) Foil and Its Adhesion with Low-Density Polyethylene (LPDE) in the Packing Industry

  • Umer Sharif,
  • Beibei Sun,
  • Md Shafiqul Islam,
  • Kashif Majeed,
  • Dauda Sh. Ibrahim,
  • Orelaja Oluseyi Adewale,
  • Naseem Akhtar,
  • Zaki Ismail Zaki and
  • Zeinhom M. El-Bahy

6 September 2021

Liquid food packages consist of various polymers films, which are bonded together with Aluminum foil (Al-foil) using adhesion or by direct heat. The main aim of this research was to define important material properties such as fracture toughness and...

  • Article
  • Open Access
561 Views
13 Pages

Characterizing the Lipid Profile in Patients with Vertebral or Hip Fragility Fractures: A Hospital-Based Descriptive Study

  • Yan Feng,
  • Qinghua Tang,
  • Siyu Li,
  • Lei Yang,
  • Ming Yang,
  • Jiancheng Yang and
  • Yuhong Zeng

4 October 2025

Background/Objectives: Fragility fractures, particularly in the vertebra and hip, are a significant health concern in the elderly, often associated with osteoporosis. Emerging evidence suggests a link between lipid profiles and bone health, but the c...

  • Article
  • Open Access
1 Citations
1,198 Views
30 Pages

Fracture Complexity and Mineral Damage in Shale Hydraulic Fracturing Based on Microscale Fractal Analysis

  • Xin Liu,
  • Jiaqi Zhang,
  • Tianjiao Li,
  • Zhengzhao Liang,
  • Siwei Meng,
  • Licai Zheng and
  • Na Wu

The geological structural complexity and microscale heterogeneity of shale reservoirs, characterized by the brittleness index and natural fracture density, exert a decisive effect on hydraulic fracturing’s effectiveness. However, the mechanisms...

  • Article
  • Open Access
14 Citations
4,968 Views
17 Pages

Study on Flow in Fractured Porous Media Using Pore-Fracture Network Modeling

  • Haijiao Liu,
  • Xuhui Zhang,
  • Xiaobing Lu and
  • Qingjie Liu

1 December 2017

Microscopic flow in fractured porous media is a typical problem for the exploitation of tight reservoirs. The rapid-flow in the fractured porous-media is of great significance to efficient and continuous oil/gas exploitation. The fractures are expect...

  • Article
  • Open Access
12 Citations
3,596 Views
15 Pages

RNA Modification-Related Genetic Variants in Genomic Loci Associated with Bone Mineral Density and Fracture

  • Limin Han,
  • Jingyun Wu,
  • Mimi Wang,
  • Zhentao Zhang,
  • Dian Hua,
  • Shufeng Lei and
  • Xingbo Mo

18 October 2022

Genome-wide association studies (GWASs) have identified more than 500 loci for bone mineral density (BMD), but functional variants in these loci are less known. The aim of this study was to identify RNA modification-related SNPs (RNAm-SNPs) for BMD i...

  • Article
  • Open Access
5 Citations
3,586 Views
23 Pages

15 April 2021

Fractures and micropores have varying contributions to the gas permeability of fractured reservoirs. The quantification of the contribution of fractures and micropores that form a dual-porosity system for gas permeability is critical when attempting...

of 44