Results 61 to 70 of about 619,697 (330)

Novel lightweight connecting bracket design with multiple performance constraints based on optimization and verification process

open access: yesElectronic Research Archive, 2023
In this paper, a complete optimization design verification process is proposed and a novel structure of connecting brackets is presented, solving the fatigue failure of chassis connecting brackets operating on harsh roads.
Furong Xie   +6 more
doaj   +1 more source

Strings in pp-wave background and background B-field from membrane and its symplectic quantization

open access: yes, 2007
The symplectic quantization technique is applied to open free membrane and strings in pp-wave background and background gauge field obtained by compactifying the open membrane in the presence of a background anti-symmetric 3--form field.
Ardalan   +26 more
core   +1 more source

Feasibility and Tolerability of Performing Portable MRI for Neurological Disorders in an Outpatient Neurology Clinic: A Prospective Cohort

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Accessing brain magnetic resonance imaging (MRI) can be challenging, especially for underserved patients, which may lead to disparities in neurological diagnosis. Method This mixed‐methods study enrolled adults with one of four neurological disorders: mild cognitive impairment or dementia of the Alzheimer type, multiple sclerosis ...
Maya L. Mastick   +19 more
wiley   +1 more source

A comparison of retention rates of brackets with thermally-cured and light-cured custom bases in indirect bonding procedures

open access: yesAustralasian Orthodontic Journal, 2000
This study compared the retention rates of thermally-cured (TC) and light-cured (LC) custom bases attached to metal mini-diamond brackets and clear Spirit MB brackets, when used in indirect bonding procedures.
Miles Peter G.
doaj   +1 more source

MH-SETUP, combining Kesling wax-setup with indirect bonding and custom-made brackets for labial/lingual techniques to eliminate the finishing phase

open access: yesJournal of Orthodontic Science, 2023
OBJECTIVE: A novel technique, named the MH setup (MH is an abbreviation for the author's name), was developed to provide an accurate yet simplified method to produce custom-made brackets without bonding errors.
Mohamed A Elkolaly, Hasan Sabah Hasan
doaj   +1 more source

Recent Advancements in Bulk Processing of Rare‐Earth‐Free Hard Magnetic Materials and Related Multiscale Simulations

open access: yesAdvanced Engineering Materials, EarlyView.
This article provides an overview of recent advancements in bulk processing of rare‐earth‐free hard magnetic materials. It also addresses related simulation approaches at different scales. The research on rare‐earth‐free magnetic materials has increased significantly in recent years, driven by supply chain issues, environmental and social concerns, and
Daniel Scheiber, Andrea Bachmaier
wiley   +1 more source

The evaluation of a definite integral by the method of brackets illustrating its flexibility

open access: yesOpen Mathematics
The method of brackets is a procedure to evaluate definite integrals over a half-line. It consists of a small number of rules. This article illustrates the method by evaluating an integral by several variations of the method. The integrand is the product
Gonzalez Ivan   +2 more
doaj   +1 more source

Design and Prototyping of Topology‐Optimized, Additively Manufactured Lightweight Components for Space Robotic Systems: A Case Study

open access: yesAdvanced Engineering Materials, EarlyView.
The results demonstrate a simulation‐driven workflow that applies LSB topology optimization with additive manufacturing constraints to mission‐specific load cases, integrating European Cooperation for Space Standardization compliant verification and manufacturability to develop structurally efficient rover suspension components.
Stelios K. Georgantzinos   +11 more
wiley   +1 more source

Evaluation of Antibacterial Effect of Hybrid Nano-coating of Stainless Steel Orthodontic Brackets on Streptococcus Mutans – An In vitro Study

open access: yesJournal of Pharmacy and Bioallied Sciences
Nano-coating of orthodontic brackets with a combination or hybrid of metals and metal oxides may reduce the streptococcus mutans count and incidence of enamel decalcification seen around brackets in patients undergoing fixed orthodontic treatment.
Anandan Nirmala, Kannan Ravi
doaj   +1 more source

Evaluatıon Of Frıctıon Between Varıous Brackets And Arch Wıre Materıals

open access: yesTurkish Journal of Orthodontics, 1998
The aim of this study was to evaluate experimentally frictional forces produced between different brackets and arch wire materials. In the study, the frictional forces between four brackets (Stainless steel, porcelain, .polycarbonate and stainless steel ...
Yahya Tosun, Hanife Ünal
doaj   +1 more source

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