Results 31 to 40 of about 2,410,614 (280)

A Separable Instrumental Variable Method for Robot Identification [PDF]

open access: yes2021 American Control Conference (ACC), 2021
This paper addresses the topic of robot model identification. The standard identification method is based on the use of the inverse dynamic model (IDM) and the application of Least Squares (LS) estimation while the robot is tracking trajectories. Although this approach has been applied successfully to several industrial robots, the standard friction ...
openaire   +2 more sources

Measuring the effect of the reflection of sound from the lips in brass musical instruments [PDF]

open access: yes, 2013
The lips of the player are often assumed to perfectly reflect sounds that strike them. Experimental and theoretical calculations of input impedance demonstrate the pressure that would build up if a flat, perfectly reflecting volume velocity source were ...
Kemp, Jonathan A, Smith, Richard
core   +2 more sources

Factors Affecting the Success of Endodontic Instrument Fragment Retrieval: An Impact of Anatomical and Clinical Variables

open access: yesJournal of Pharmacy and Bioallied Sciences
Background: Fractured endodontic instruments can obstruct canal disinfection, affecting treatment outcomes, with retrieval success dependent on various factors.
Prasanti Kumari Pradhan   +6 more
doaj   +1 more source

Influence of Axial Movement on Fatigue of Profile® Ni-Ti Rotary Instruments: an in vitro evaluation

open access: yesBiomolecules & Biomedicine, 2010
The aim of this study was to evaluate the influence of the axial movement and the angle of curve (in degrees) on fatigue of nickel-titanium (Ni-Ti) ProFile’ rotary endodontic instruments.
Marie-Chantal Avoaka, Youssef Haïkel
doaj   +1 more source

Tornado Effect—Ultimate Apically Extruded Fragment Retrieval Technique

open access: yesJournal of Pharmacy and Bioallied Sciences
Separation of instruments can occur during routine endodontic treatment in the canal, thereby preventing thorough cleaning and shaping. The success rate of fractured instrument retrieval mainly depends on three factors 1.
Susheel Kumar   +5 more
doaj   +1 more source

Party Autonomy Under the New Brussels IIa (Recast) Regulation: Stalemates and Innovation

open access: yesUtrecht Law Review, 2022
The Brussels IIa (Recast) Regulation – the long-anticipated revision of the 2003 Brussels II bis Regulation – has brought about significant changes to the EU’s jurisdictional rules that apply to cross-border matrimonial matters (divorce and legal ...
Jacqueline Gray
doaj   +1 more source

Demystifying Failures Behind Separated Instruments: A Review

open access: yesCureus, 2022
Instrument separation is one of the most routinely encountered mishaps occurring in the arena of endodontics. Separation occurs unknowingly most times and we are left to ponder as to where to head next. It is majorly the lack of knowledge and skill that makes us panic in these times. The objective still remains to effectively clean as well as shape the
Chandak, Manoj   +4 more
openaire   +2 more sources

Fracture of rotary nickel titanium instruments

open access: yesJournal of Oral Research and Review, 2017
With the advent of rotary nickel titanium (NiTi) instruments, preparation of curved canals have become easy but chances of instrument separation have increased.
Rajendra Kumar Tewari   +4 more
doaj   +1 more source

Bridging the Loneliness Gap: Depression, Connectivity, and Isolation in Pediatric Oncology Patients and Their Peers

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Loneliness is associated with adverse physical and mental health outcomes and remains understudied in children and adolescents undergoing cancer therapy. Pediatric oncology patients may be at increased risk due to medical isolation and disruption of social networks.
Charlotte N. Stahlfeld   +5 more
wiley   +1 more source

Endodontic Retreatment of a Root Canal with a Separated Instrument Retrieved Using an Ultrasonic Scaler Tip: A Case Report from a Resource-limited Setting

open access: yesJournal of Primary Care Dentistry and Oral Health
Refractory or recurrent periapical abscess often results from failed endodontic treatment due to factors such as inadequate access, poor canal cleaning, resistant endodontic microbes, faulty restorations, and procedural errors.
Bikal Ghimire   +3 more
doaj   +1 more source

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