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5,337 Results Found

  • Article
  • Open Access
9 Citations
2,386 Views
11 Pages

The purpose of the study was to explore factors associated with glaucomatous deterioration in eyes with primary angle closure (PAC) after lens extraction, including PAC suspect (PACS), PAC, and PAC glaucoma (PACG). We retrospectively analyzed data of...

  • Article
  • Open Access
63 Citations
6,006 Views
7 Pages

Fabrication of Crystalline Microresonators of High Quality Factors with a Controllable Wedge Angle on Lithium Niobate on Insulator

  • Jianhao Zhang,
  • Zhiwei Fang,
  • Jintian Lin,
  • Junxia Zhou,
  • Min Wang,
  • Rongbo Wu,
  • Renhong Gao and
  • Ya Cheng

29 August 2019

We report the fabrication of crystalline microresonators of high quality (Q) factors with a controllable wedge angle on lithium niobate on insulator (LNOI). Our technique relies on a femtosecond laser assisted chemo-mechanical polish, which allows us...

  • Article
  • Open Access
8 Citations
1,912 Views
10 Pages

Factors Associated with Elevated Tumor Necrosis Factor-α in Aqueous Humor of Patients with Open-Angle Glaucoma

  • Younhea Jung,
  • Kyoung Ohn,
  • Heejong Shin,
  • Si Eun Oh,
  • Chan Kee Park and
  • Hae-Young Lopilly Park

5 September 2022

Tumor necrosis factor-alpha (TNF-α) is an important modulator of neuroinflammation, secreted from activated glial cells in response to intraocular stress. The purpose of this study was to investigate the clinical factors associated with elevate...

  • Article
  • Open Access
6 Citations
2,038 Views
17 Pages

Study to Identify and Evaluate Predictor Factors for Primary Open-Angle Glaucoma in Tertiary Prophylactic Actions

  • Gabriel Zeno Munteanu,
  • Zeno Virgiliu Ioan Munteanu,
  • Cristian Marius Daina,
  • Lucia Georgeta Daina,
  • Mihaela Cristina Coroi,
  • Carmen Domnariu,
  • Dana Badau and
  • George Roiu

26 August 2022

The aim of this study is to develop a predictive model with several explanatory variables that can guide ophthalmologists to make a more objective assessment of the evolution of open-angle glaucoma (OAG) during tertiary prevention. Objectives: The ev...

  • Review
  • Open Access
7 Citations
3,106 Views
14 Pages

28 January 2023

Both Alzheimer’s disease (AD) and primary open angle glaucoma (POAG) are diseases of primary global neurodegeneration with complex pathophysiologies. Throughout the published literature, researchers have highlighted similarities associated with...

  • Article
  • Open Access
2 Citations
2,939 Views
9 Pages

Hip Axis Length and Femoral Neck-Shaft Angle as Risk Factors for Proximal Femur Fractures in Octogenarians to Centenarians

  • Daniel Alexandre Gumuchdjian,
  • Manuel Waltenspül,
  • Michael Dietrich and
  • Method Kabelitz

12 July 2024

(1) Background: The prevention of proximal femoral fractures among people of very advanced age is relevant as they are common and increasing in number. The aim of this study was to determine if the hip axis length (HAL) and the neck-shaft angle (capu...

  • Article
  • Open Access
544 Views
12 Pages

Prevalence and Predictive Factors of Angle’s Class Malocclusion Asymmetries Without Crossbite in Primary School Children: A Cross-Sectional Study

  • Marolita Orazi,
  • Maria Grazia Cagetti,
  • Lucia Giannini,
  • Niccolò Cenzato and
  • Cinzia Maria Norma Maspero

1 November 2025

Background: Angle’s dental class asymmetries not associated with crossbite are malocclusions that are often underestimated in pediatric patients. However, they may be associated with alterations in the development of the stomatognathic system....

  • Article
  • Open Access
5 Citations
2,194 Views
25 Pages

29 January 2024

With the growing interest in radiant heating and cooling systems, driven by their improved efficiency and enhanced thermal comfort compared to air systems, there is an increasing need to develop a more accessible method for designers to understand th...

  • Article
  • Open Access
10 Citations
4,338 Views
16 Pages

A Factor-Graph-Based Approach to Vehicle Sideslip Angle Estimation

  • Antonio Leanza,
  • Giulio Reina and
  • José-Luis Blanco-Claraco

10 August 2021

Sideslip angle is an important variable for understanding and monitoring vehicle dynamics, but there is currently no inexpensive method for its direct measurement. Therefore, it is typically estimated from proprioceptive sensors onboard using filteri...

  • Article
  • Open Access
17 Citations
5,308 Views
9 Pages

18 April 2018

A method for automatic compensation of misalignment angles during matching the scale factors of two pairs of the accelerometers in developing the rotating accelerometer gravity gradient instrument (GGI) is proposed and demonstrated in this paper. The...

  • Article
  • Open Access
4 Citations
3,334 Views
19 Pages

Analysis and Experiment on the Impact of Various Hook Angle Factors on Spindle Picking Performance

  • Lei Wang,
  • Chenghai Yin,
  • Longchang Zhang,
  • Hongwen Zhang and
  • Haiyang Li

As the core component of the cotton picker, the structural characteristics of the spindle directly affect not only its picking performance but also different components of the cotton picker. Therefore, in order to reveal the influence of different an...

  • Article
  • Open Access
16 Citations
2,958 Views
14 Pages

Is Obesity a Risk or Protective Factor for Open-Angle Glaucoma in Adults? A Two-Database, Asian, Matched-Cohort Study

  • Wei-Dar Chen,
  • Li-Ju Lai,
  • Kang-Lung Lee,
  • Tzeng-Ji Chen,
  • Chia-Yen Liu and
  • Yao-Hsu Yang

6 September 2021

Obesity contributes to multiple systemic disorders; however, extensive discussion regarding obesity and open-angle glaucoma (OAG) remains limited, and conclusions in the existing literature diverge. This study aims to analyze the risk of OAG among ob...

  • Article
  • Open Access
2 Citations
2,200 Views
12 Pages

29 January 2023

At the level of the left coronary artery tree, there is evidence showing an association between bifurcation angle and coronary artery disease (CAD), and this motivated us to explore similar associations at the level of the right coronary artery (RCA)...

  • Article
  • Open Access
7 Citations
2,348 Views
18 Pages

Study on the Influence Factors of Dynamic Modulus and Phase Angle of Dense Gradation Polyurethane Mixture

  • Haisheng Zhao,
  • Wensheng Zhang,
  • Shiping Cui,
  • Shijie Ma,
  • Baoji Miao,
  • Enzhou Di,
  • Xiaoyan Wang,
  • Chunhua Su,
  • Jincheng Wei and
  • Shan Liu

19 February 2023

Polyurethane (PU) mixture is a new pavement material with excellent pavement performance, and most research was focused on the enhancement of pavement performance, but rarely on the dynamic property. This paper studied the factors including gradation...

  • Review
  • Open Access
82 Citations
9,023 Views
17 Pages

Primary Open Angle Glaucoma and Vascular Risk Factors: A Review of Population Based Studies from 1990 to 2019

  • Andrzej Grzybowski,
  • Mariusz Och,
  • Piotr Kanclerz,
  • Christopher Leffler and
  • Carlos Gustavo De Moraes

11 March 2020

Glaucoma is one of the leading causes of blindness worldwide, and as the proportion of those over age 40 increases, so will the prevalence of glaucoma. The pathogenesis of primary open angle glaucoma (POAG) is unclear and multiple ocular risk factors...

  • Review
  • Open Access
15 Citations
3,698 Views
14 Pages

Phase Angle from Bioelectric Impedance and Maturity-Related Factors in Adolescent Athletes: A Systematic Review

  • Aline Ferreira de Araújo Jerônimo,
  • Nuno Batalha,
  • Daniel Collado-Mateo and
  • Jose Alberto Parraca

12 June 2020

Phase angle (PhA) is a body composition (BC) parameter from bioelectrical impedance analysis that is suggested as a marker of cell integrity and general health. In adolescent athletes, PhA values are used to monitor the effects of training and compet...

  • Article
  • Open Access
2 Citations
2,040 Views
10 Pages

14 November 2022

We sought to analyze the parameters associated with retinal nerve fiber layer (RNFL)-dominant progression or ganglion cell–inner plexiform layer (GCIPL)-dominant progression in patients with open-angle glaucoma. A prospective observational stud...

  • Article
  • Open Access
11 Citations
4,873 Views
19 Pages

Influencing Factors in Estimation of Leaf Angle Distribution of an Individual Tree from Terrestrial Laser Scanning Data

  • Hailan Jiang,
  • Ronghai Hu,
  • Guangjian Yan,
  • Shiyu Cheng,
  • Fan Li,
  • Jianbo Qi,
  • Linyuan Li,
  • Donghui Xie and
  • Xihan Mu

18 March 2021

Leaf angle distribution (LAD) is an important attribute of forest canopy architecture and affects the solar radiation regime within the canopy. Terrestrial laser scanning (TLS) has been increasingly used in LAD estimation. The point clouds data suffe...

  • Article
  • Open Access
6 Citations
5,954 Views
12 Pages

Factors Associated with Large Cup-to-Disc Ratio and Blindness in the Primary Open-Angle African American Glaucoma Genetics (POAAGG) Study

  • Anusha Mamidipaka,
  • Isabel Di Rosa,
  • Roy Lee,
  • Yan Zhu,
  • Yineng Chen,
  • Rebecca Salowe,
  • Victoria Addis,
  • Prithvi Sankar,
  • Ebenezer Daniel and
  • Joan M. O’Brien
  • + 1 author

16 September 2023

Background/Aims: Primary open-angle glaucoma (POAG) disproportionately affects individuals of African ancestry. In these patients’ eyes, a large cup-to-disc ratio (LCDR > 0.90) suggests greater retinal ganglion cell loss, though these patien...

  • Feature Paper
  • Article
  • Open Access
22 Citations
4,246 Views
15 Pages

12 October 2020

An experimental study regarding the thermofluid characteristics of a shell-and-plate heat exchanger with different chevron angles (45°/45°, 45°/65°, and 65°/65°) with a plate diameter of 440 mm was carried out. Water was used...

  • Article
  • Open Access
21 Citations
2,662 Views
16 Pages

Influence of Layered Angle on Dynamic Characteristics of Backfill under Impact Loading

  • Jinxin Li,
  • Wei Sun,
  • Qiqi Li,
  • Shuo Chen,
  • Mingli Yuan and
  • Hui Xia

20 April 2022

In order to explore the relationship between the filling surface angle and the dynamic characteristics of the filling body under impact load, this paper uses the Hopkinson pressure bar (SHPB) test system to study the influence of different filling su...

  • Review
  • Open Access
7 Citations
3,035 Views
14 Pages

14 January 2022

Among non-destructive testing (NDT) techniques applied to structural health monitoring in existing timber structures, ranging from visual inspection to more sophisticated analysis, acoustic emission (AE) is currently seldomly used to detect mechanica...

  • Article
  • Open Access
4 Citations
2,483 Views
29 Pages

Study on the Phase Angle Master Curve of the Polyurethane Mixture with Dense Gradation

  • Haisheng Zhao,
  • Xiufen Wang,
  • Shiping Cui,
  • Bin Jiang,
  • Shijie Ma,
  • Wensheng Zhang,
  • Peiyu Zhang,
  • Xiaoyan Wang,
  • Jincheng Wei and
  • Shan Liu

The phase angle master curve of the PU mixture is a new research field that is urgently needed to characterize the viscoelastic of the PU mixture under different conditions. In this paper, five master curve models, five shift factor equations, and fo...

  • Article
  • Open Access
384 Views
28 Pages

Research on the Influence of Span on Wind Deflection Angle of Insulator Strings in Stochastic Wind Fields

  • Guanghui Liu,
  • Zhongbin Lv,
  • Bo Zhang,
  • Chuan Wu,
  • Zhan Huang,
  • Xiaohui Liu and
  • Jinze He

14 November 2025

This paper presents an independently developed finite element analysis software built on the QT and VTK platforms. Its core innovation is the integration of the analytical solution from catenary theory with nonlinear finite element methods. The softw...

  • Article
  • Open Access
16 Citations
5,805 Views
28 Pages

Performance Evaluation of a MW-Size Grid-Connected Solar Photovoltaic Plant Considering the Impact of Tilt Angle

  • Gori Shankar Sharma,
  • Om Prakash Mahela,
  • Mohamed G. Hussien,
  • Baseem Khan,
  • Sanjeevikumar Padmanaban,
  • Muhammed B. Shafik and
  • Zakaria M. Salem Elbarbary

27 January 2022

This paper presents a study for the estimation of generation from a large-scale, grid-interfaced solar PV plant using the PVsyst software. This study aims to investigate the effect of tilt angle on the performance of the grid-integrated solar PV plan...

  • Article
  • Open Access
41 Citations
4,434 Views
15 Pages

15 November 2018

A numerical study was performed to investigate the thermal performance characteristics of an enhanced tube heat exchanger fitted with punched delta-winglet vortex generators. Computational fluid dynamics modeling was applied using the k–&epsilo...

  • Article
  • Open Access
10 Citations
2,670 Views
22 Pages

28 April 2023

The Pisum sativum (PS), known as the green pea, was used in this investigation to produce a novel green surfactant. The performance of the PS green surfactant was also evaluated using various tests, including contact angle, IFT, emulsion, zeta potent...

  • Article
  • Open Access
5 Citations
2,632 Views
12 Pages

Prediction of Subsequent Contralateral Patellar Dislocation after First-Time Dislocation Based on Patellofemoral Morphologies

  • Jiaxing Chen,
  • Qiaochu Li,
  • Sizhu Liu,
  • Lin Fan,
  • Baoshan Yin,
  • Xinyu Yang,
  • Linbang Wang,
  • Zijie Xu,
  • Jian Zhang and
  • Aiguo Zhou
  • + 1 author

26 December 2022

The subsequent dislocation of a contralateral patellofemoral joint sometimes occurs after a first-time lateral patellar dislocation (LPD). However, the anatomic risk factors for subsequent contralateral LPD remain elusive. This study included 17 pati...

  • Article
  • Open Access
12 Citations
3,802 Views
14 Pages

Joint Angle and Frequency Estimation Using One-Bit Measurements

  • Zeyang Li,
  • Junpeng Shi,
  • Xinhai Wang and
  • Fangqing Wen

9 December 2019

Joint angle and frequency estimation is an important branch in array signal processing with numerous applications in radar, sonar, wireless communications, etc. Extensive attention has been paid and numerous algorithms have been developed. However, e...

  • Article
  • Open Access
8 Citations
4,631 Views
10 Pages

19 February 2016

We propose a parallel factor (PARAFAC) analysis-based angle and polarization estimation algorithm for multiple coherent sources using a uniformly-spaced linear tripole sensor array. By forming a PARAFAC model using the spatial signature of the tripol...

  • Article
  • Open Access
17 Citations
5,991 Views
19 Pages

Droplet Spreading Characteristics on Ultra-Slippery Solid Hydrophilic Surfaces with Ultra-Low Contact Angle Hysteresis

  • Yajie Song,
  • Qi Wang,
  • Yushan Ying,
  • Zhuo You,
  • Songbai Wang,
  • Jiang Chun,
  • Xuehu Ma and
  • Rongfu Wen

Dynamic interactions of the droplet impact on a solid surface are essential to many emerging applications, such as electronics cooling, ink-jet printing, water harvesting/collection, anti-frosting/icing, and microfluidic and biomedical device applica...

  • Article
  • Open Access
17 Citations
5,924 Views
17 Pages

The Potential of Forest Biomass Inversion Based on Vegetation Indices Using Multi-Angle CHRIS/PROBA Data

  • Qiang Wang,
  • Yong Pang,
  • Zengyuan Li,
  • Guoqing Sun,
  • Erxue Chen and
  • Wenge Ni-Meister

28 October 2016

Multi-angle remote sensing can either be regarded as an added source of uncertainty for variable retrieval, or as a source of additional information, which enhances variable retrieval compared to traditional single-angle observation. However, the mag...

  • Article
  • Open Access
14 Citations
2,943 Views
19 Pages

10 November 2020

Ultra-high performance fibre reinforced concrete (UHPFRC) is an innovative cement-based engineering material. The mechanical properties of UHPFRC not only depend on the properties of the concrete matrix and fibres, but also depend on the interaction...

  • Article
  • Open Access
4 Citations
2,095 Views
17 Pages

Research on the Influence of Various Attribute Factors on Passive Interference in UHV Transmission Lines Based on Orthogonal Test

  • Jiangong Zhang,
  • Zheyuan Gan,
  • Xiaoyan Zhou,
  • Pengcheng Yu,
  • Chaoqun Jiao and
  • Xiumin Zhang

21 June 2022

Considering the problem of passive interference caused by electromagnetic scattering effects of transmission lines to neighboring radio stations and other communication equipment, this paper refines the passive interference calculation model for UHV...

  • Article
  • Open Access
745 Views
20 Pages

30 September 2025

This research explores a phase-shift-based discontinuous PWM method used for 24 V battery-powered onboard micro inverters, which are critical for thermally limited applications like micromachines, where efficient heat dissipation and compact size are...

  • Article
  • Open Access
5 Citations
3,652 Views
27 Pages

Pseudo-Steady-State Parameters for a Well Penetrated by a Fracture with an Azimuth Angle in an Anisotropic Reservoir

  • Guoqiang Xing,
  • Mingxian Wang,
  • Shuhong Wu,
  • Hua Li,
  • Jiangyan Dong and
  • Wenqi Zhao

25 June 2019

Many oil wells in closed reservoirs continue to produce in the pseudo-steady-state flow regime for a long time. The principal objective of this work is to investigate the characteristics of two key pseudo-steady-state parameters—pseudo-steady-s...

  • Article
  • Open Access
3 Citations
2,861 Views
11 Pages

Combined Phacoemulsification and Ex-PRESS Implant with Everting Suture in Primary Angle-Closure Glaucoma: Survival Analysis and Predictive Factors

  • Giuseppe Covello,
  • Pasquale Loiudice,
  • Maria Novella Maglionico,
  • Marco Nardi,
  • Michele Figus and
  • Chiara Posarelli

15 February 2021

The purpose of this study was to evaluate the efficacy and safety of combined phacoemulsification and Ex-PRESS implant with everting suture in primary angle-closure glaucoma (PACG) and to examine predictive factors of failure. Twenty-three eyes of 18...

  • Article
  • Open Access
9 Citations
3,976 Views
16 Pages

21 August 2023

The objective of this study is to examine the behavior of fatigue crack growth (FCG) in the mixed mode (I/II) of the AISI 316 austenitic stainless steel alloy, considering mode mixity angles of 30°, 45°, and 60°. This particular alloy is...

  • Proceeding Paper
  • Open Access
1 Citations
1,804 Views
5 Pages

20 September 2022

The component’s strength and reliability are greatly influenced by the occurrence of cracks and flaws. Material surfaces or internal defects can create stress concentration, which causes failure of the materials. To quantify the stress intensit...

  • Article
  • Open Access
7 Citations
4,501 Views
33 Pages

21 November 2022

This paper presents a new triple phase shift (TPS) closed-loop control scheme of a dual active bridge (DAB) LCC resonant DC/DC converter to improve wireless charging power transfer efficiency. The primary side inverter phase shift angle regulates the...

  • Article
  • Open Access
31 Citations
5,683 Views
20 Pages

The Rice Basic Helix–Loop–Helix 79 (OsbHLH079) Determines Leaf Angle and Grain Shape

  • Hyoseob Seo,
  • Suk-Hwan Kim,
  • Byoung-Doo Lee,
  • Jung-Hyun Lim,
  • Sang-Ji Lee,
  • Gynheung An and
  • Nam-Chon Paek

Changes in plant architecture, such as leaf size, leaf shape, leaf angle, plant height, and floral organs, have been major factors in improving the yield of cereal crops. Moreover, changes in grain size and weight can also increase yield. Therefore,...

  • Article
  • Open Access
50 Citations
6,024 Views
18 Pages

Modified Variable Step-Size Incremental Conductance MPPT Technique for Photovoltaic Systems

  • Isaac Owusu-Nyarko,
  • Mohamed A. Elgenedy,
  • Ibrahim Abdelsalam and
  • Khaled H. Ahmed

23 September 2021

A highly efficient photovoltaic (PV) system requires a maximum power point tracker to extract peak power from PV modules. The conventional variable step-size incremental conductance (INC) maximum power point tracking (MPPT) technique has two main dra...

  • Article
  • Open Access
1 Citations
718 Views
17 Pages

27 March 2025

Voltage-controlled AC to DC converters govern the load voltage as per requirement. They may be employed in numerous applications, including battery-charging systems, light dimming, and industrial speed drive systems. The voltage regulation is based o...

  • Communication
  • Open Access
807 Views
15 Pages

Polarized Small-Angle Neutron Scattering is a versatile low-energy neutron scattering technique that allows for the access of magnetic information on nanosize objects of size 2–100 nm, from individual properties like the magnetization distribut...

  • Review
  • Open Access
2 Citations
2,271 Views
20 Pages

18 July 2024

Leaf angle (LA) is a major agronomic trait of rice plant architecture, which is determined by the development of the leaf lamina joint (LJ) and closely related to plant yield. The LJ is formed by the leaf collar belt (ligule band), leaf tongue (ligul...

  • Article
  • Open Access
8 Citations
2,964 Views
16 Pages

Loss Factor Behavior of Thermally Aged Magnetorheological Elastomers

  • Siti Aishah Abdul Aziz,
  • Saiful Amri Mazlan,
  • Ubaidillah Ubaidillah,
  • Norzilawati Mohamad,
  • Michal Sedlacik,
  • Nur Azmah Nordin and
  • Nurhazimah Nazmi

27 August 2021

Polymer composites have been widely used as damping materials in various applications due to the ability of reducing the vibrations. However, the environmental and surrounding thermal exposure towards polymer composites have affected their mechanical...

  • Article
  • Open Access
1 Citations
2,634 Views
14 Pages

13 July 2022

Gas-liquid two-phase flow patterns and gas slug hydrodynamics were experimentally studied in three Y-junctions with different junction angles of 60°, 90° and 120°. Microbubbles were generated in the sodium alginate aqueous solution with t...

  • Article
  • Open Access
7 Citations
3,866 Views
16 Pages

10 September 2020

Various methods have been proposed to estimate the tissue speed of sound (SOS) of propagating medium using the curvature of received channel waveform or the analysis of resultant image quality. In our previous study, baseband delay-multiply-and-sum (...

  • Article
  • Open Access
9 Citations
6,352 Views
19 Pages

22 August 2017

The traditional slope stability analysis used the Factor of Safety (FS) from the Limit Equilibrium Theory as the determinant. If the FS was greater than 1, it was considered as “safe” and variables or parameters of uncertainty in the analysis model w...

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