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Showing 1 to 20 of 82 for “"PRF"”.

  1. Treatment of Medication-Induced Osteonecrosis of the Jaws, Using Platelet-Rich Fibrin PRF // Лечение на медикаментозно-индуцирана остеонекроза на челюстите с приложение на богат на тромбоцити фибрин PRF

    Tsolov, Rosen, Цолов, РосенMedical University of Varna2022

    … in ambulatory conditions. Application of PRF in surgery is an alternative method of MIONJ treatment. Doham et al.(2006) develop an extraction protocol for PRF.

    varna Repository record

  2. Étude de l'impact de l'humidité et de l'alcalinité sur des armatures de polymères renforcés de fibres (PRF)

    Bouhet, Jean-CharlesUniversité de Sherbrooke2015

    The FRP rebars technology remains relatively recent and suffers from a bad reputation in terms of durability which slows its acceptation among the professionals of the construction field. The aim of the work presented in this essay is to study the effects of moisture and alkalinity on the …

    sherbrooke Repository record

  3. Étude de la performance de barres de renforcement interne en PRF soumises à des conditions environnementales extrêmes

    Robert, MathieuUniversité de Sherbrooke2009

    Les matériaux polymères renforcés de fibres (PRF) sont de plus en plus utilisés dans les ouvrages du génie civil à cause de leurs nombreux avantages par rapport à l'acier d'armature. Toutefois, certaines conditions d'application peuvent potentiellement affecter leur durabilité, rendant cruciales …

    sherbrooke Repository record

  4. Efecto del L-PRF en sobre dentaduras mandibulares sobre dos implantes: un estudio clínico a boca dividida

    Moreno Ruiz, Ximena AndreaUniversidad de Chile2022

    … de la fibrina rica en leucocitos y plaquetas (L-PRF) podría reducir el dolor y mejorar algunos parámetros clínicos del tejido óseo y tejidos blandos peri implantares. Objetivo: Evaluar el efecto del PRF en la estabilidad de los implantes, los parámetros clínicos peri implantarios y la …

    chile Repository record

  5. Improving Rainfall Index Insurance: Evaluating Effects of Fine-Scale Data and Interactive Tools in the PRF-RI Program

    Ramanujan, RamarajaVirginia Tech2024

    … Pasture, Rangeland, and Forage Rainfall Index (PRF-RI) insurance program has issued a total of $8.8 billion in payouts. Given the program's significance, this thesis investigates methodologies to help improve it. For the first part, we evaluated the impact of finer-scale precipitation data on …

    vt Repository record

  6. Messenger RNA Destabilization by -1 Programmed Ribosomal Frameshifting

    Belew, Ashton Trey2012

    … programmed -1 ribosomal frameshifting (-1 PRF) signals in eukaryotic genomic sequences, and suggested a role in mRNA stability. This work improves and extends the computational methods used to search for potential -1 PRF signals. It continues to examine four yeast -1 PRF signals and show …

    maryland Repository record

  7. Peri-Radicular Healing Following Endodontic Microsurgery Grafted with Leukocyte and Platelet Rich Fibrin (L-PRF): One Year Evaluation with Cone Beam Computed Tomography

    Grinsell, Andrew2026

    … with leukocyte and platelet-rich fibrin (L-PRF) using 2D periapical radiographs and 3D cone-beam computed tomography (CBCT). Methods: Seventy patients (77 surgical sites) were enrolled, of whom 51 cases met the inclusion criteria for analysis and comparison with a historical clinical …

    penn Repository record

  8. Nichtinvasives Temperaturmonitoring mit der Magnetresonanz-Tomographie bei medizinischen Thermotherapien mit fokussiertem Ultraschall oder Laser

    Rademaker, GuidoUniversität Heidelberg

    … (D) oder der Protonenresonanz-frequenz (PRF). Neue Hyperthermieverfahren zur Tumortherapie basieren auf hochenergetischem fokussiertem Ultraschall (HIFU) oder Laserinduzierter Thermotherapie (LITT). Für diese Verfahren ist eine genaue Kontrolle der Erwärmung mit Temperaturmessverfahren …

    heid-diss Repository record

  9. Reticular Pathways Controlling Lateral Head Movements in the Rat

    Sirkin, David WinsorUniversity of Illinois at Urbana-Champaign2015

    … the discovery that pontine reticular formation (PRF) lesions in the rat abolish certain head movements, it was decided to further characterize the effects of PRF lesions on head movements in the rat and to begin to determine what output pathways from the PRF might mediate its role in head …

    uiuc Repository record

  10. Abaques pour le dimensionnement du renforcement externe en matériaux composites de poutres en béton armé

    Pouliot, PatriceUniversité de Sherbrooke2001

    … par le collage de polymères renforcés de fibres (PRF) sur les surfaces de béton est une méthode innovatrice qui a prouvé son efficacité quant à la réhabilitation et à l'augmentation de la résistance des structures en béton armé. Cependant, le fait qu'il n'y ait pas de normes de conception et …

    sherbrooke Repository record

  11. Dynamic Chemical Shift Imaging For Image-Guided Thermal Therapy

    Taylor, Brian A2011

    … measuring the water proton resonant frequency (PRF) shift. Calculation of the complex phase difference (CPD) is the method of choice for measuring the PRF indirectly since it facilitates temperature mapping with high spatiotemporal resolution. Chemical shift imaging (CSI) techniques can provide …

    uthsc Repository record

  12. Ribosome profiling of porcine reproductive and respiratory syndrome virus reveals novel features of viral gene expression

    Cook, Georgia MUniversity of Cambridge2021

    … contains two programmed ribosomal frameshift (PRF) signals, at which conserved elements promote the backwards slippage of the ribosome by one or two nucleotides. PRRSV encodes a canonical −1 PRF site, at which frameshifting is directed by a downstream RNA pseudoknot structure, to facilitate …

    cambridge Repository record

  13. Expression of perforin and granzyme variants in adult rat testes after ethylene dimethane sulfonate (EDS)-induced testosterone depletion

    Dutta, DibyenduTexas Woman's University2011

    … mRNA levels for grankyme K (GzmK) and perforin (Prf) were also significantly higher (2- and 2.5-fold, respectively) in EDS-treated rats compared to controls. After testosterone replacement, the levels of GzmK and Prf mRNAs were restored. The mRNA levels for Cd4 and Cd8 were also significantly …

    twu Repository record

  14. Nearly orthogonal, doppler tolerant waveforms and signal processing for multi-mode radar applications

    Majumder, Uttam Kumar

    … waveforms with a low pulse repetition frequency (PRF) rate to reduce range ambigu- ity; on the other hand, GMTI processing requires a high PRF rate to avoid Doppler aliasing and ambiguity. These competing requirements can be tackled by employing some waveforms (with low PRF) for the SAR mission …

    purdue-thes Repository record

  15. The Effect of Shifts in Reward Magnitude and Changes of Schedule of Reinforcement on Resistance to Extinction

    Boylan, Richard James

    … Animals trained under partial reinforcement (PRF) showed no significant differences in acquisition running speed over animals trained on continuous reinforcement (CRF). Depression effects (decreases in running speed) were observed for both CRF and PRF trained animals during the shift phase. …

    central-wash Repository record

  16. Axiomatic analysis of smoothing methods in language models for pseudo-relevance feedback

    Hazimeh, HusseinUniversity of Illinois at Urbana-Champaign2016

    Pseudo-Relevance Feedback (PRF) is an important general technique for improving retrieval effectiveness without requiring any user effort. Several state-of-the-art PRF models are based on the language modeling approach where a query language model is learned based on feedback documents. In all …

    uiuc Repository record

  17. Making a Better Query: Find Good Feedback Documents and Terms via Semantic Associations

    Miao, Jun2017

    … more related terms. Pseudo relevance feedback (PRF) has proven to be effective to expand origin queries and improve the performance of IR. It assumes the top k ranked documents obtained through the first round retrieval are relevant as feedback documents, and expand the original queries with …

    york Repository record

  18. Desarrollo y caracterización de un andamio compuesto de nanohidroxiapatita, quitosano, gelatina y/o alginato modificado o no con fibrina rica en plaquetas y leucocitos (L-PRF) para su potencial uso en regeneración de tejido óseo en cavidad bucal

    Anaya Sampayo, Lina MariaPontificia Universidad Javeriana2022

    … la fibrina rica en plaquetas y leucocitos (L-PRF) como fuente autóloga de estos favorecería el crecimiento y proliferación celular. El propósito de este estudio fue investigar los efectos físicos y biológicos del L-PRF en andamios compuestos de nanohidroxiapatita, quitosano, gelatina y/o …

    javeriana Repository record

  19. Allocentrism - Idiocentrism, Self-Consciousness, and Interpersonal Attraction (self-Monitoring, Person Perception, Self-Esteem, Autonomy, Gender Differences)

    Villareal Coindreau, Marcelo JoseUniversity of Illinois at Urbana-Champaign2014

    … several scales of the Personality Research Form (PRF). I found allocentrism-idiocentrism to be unrelated to any of the non-PRF scales in a direct way. Multiple regression analyses showed the covariates of idiocentrism to differ among men and women. Idiocentric men reported low affiliative needs, …

    uiuc Repository record

  20. Shear strength and behavior of circular concrete members reinforced with FRP bars and spirals

    Ali, Ahmed Mohammed HassanUniversité de Sherbrooke2016

    … utiliser des polymères renforcés de fibres (PRF) est une bonne solution aux problèmes précédents et augmente la durée de vie des structures en béton armé, comme les ponts, les stationnements, les tunnels et les structures marines. Récemment, l'utilisation des barres de PRF dans les …

    sherbrooke Repository record

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