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  • Comparison of two-equation turbulence models

    2012-5-17 · Transient three-dimensional CFD modelling of ceiling fans. Building and Environment, Vol. 123 ... Optimum design of a saw-tooth-shaped dental air-turbine using design of experiment. ... Unsteady in-cylinder heat transfer in a spark ignition engine: Experiments and modelling.

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  • Two-dimensional unsteady leading-edge

    2012-5-17 · Three-dimensional vortex formation on a heaving low-aspect-ratio wing: Computations and experiments. ... Flow Control on Wind Turbine Airfoil with a Vortex Cell. ... Interaction of High Temperature Filament with a Blunt Cylinder at Mach 3.

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  • The evolution of the CEREC system - ScienceDirect

    2006-9-1 · Instantaneous three-dimensional measurement of tooth preparations with an oral camera. To make sure that fast three-dimensional scanning and data acquisition of a dental preparation would be possible, we had to test the optical three-dimensional scanning technique considered by Dr. Brandestini.

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  • The Celay System | Pocket Dentistry

    2019-6-1 · In order to maximize the scavenging performance and produce sufficient in-cylinder flow motions for the fuel/air mixing process in the two-stroke BUSDIG engine, the engine bore/stroke ratio, intake scavenge port angles, and intake plenum design were optimized by three-dimensional (3D) computational fluid dynamics …

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  • A High-Efficiency Two-Stroke Engine Concept:

    2004-7-21 · The three-dimensional shape of the dental insertion element of that embodiment accordingly comprises, corresponding to the first part-circle seen in cross-section, a part-cylinder cut along the cylinder axis, which then passes into a curved portion of any shape corresponding to the at least one curved line seen in …

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  • Dental insertion element of non-cylindrical shape

    Apparatus incorporating a movable dispensing head provided with a supply of material which solidifies at a predetermined temperature, and a base member, which are moved relative to each other along 'X,' 'Y,' and 'Z' axes in a predetermined pattern to create three-dimensional objects by building up material discharged …

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  • US5121329A - Apparatus and method for

    2012-5-23 · A three-dimensional numerical study of the combustion of coal blends in blast furnace Fuel, Vol. 88, No. 2 On Heavy Particle Dispersion in Turbulent Shear Flows: 3-D Analysis of the Effects of Crossing Trajectories

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  • Aspects of Computer Simulation of Liquid-Fueled

    For power-law nonlinear system in higher-dimensional setting like the three-dimensional case, we derived its bright soliton solution with specific power-law feature based on the self-similar method. The dynamical evolution pattern of the derived solution is pictorially demonstrated which illustrates the typical bright …

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  • UMEXPERT - DR. NORA SAKINA BINTI MOHD

    NORA SAKINA BINTI MOHD NOOR Department of Restorative Dentistry Faculty of Dentistry [email protected] ... Enhancing the three-dimensional visualization of a foreign object using Mimics software. ... 2007. Readership of Professional Journals among Malaysian Dentists Part II: Readership of the Malaysian Dental …

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  • Three-dimensional evaluation of the effect of

    This three-dimensional (3D) analysis evaluated the effects of NAM on the alveolar cleft region in patients with unilateral cleft lip and palate. Alveolar gap volumes were measured in a retrospective review of 40 dental casts of 20 patients with unilateral clef lip and palate before and after treatment.

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  • High-precision 3D metrology | fast, precise

    Metal instruments, including air turbine handpieces and burs, and acrylic dentures can be sterilized in short periods. Consistent sterilization can be accomplished only if the items to be sterilized are rotated in a three-dimensional manner throughout the microwave cavity.

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  • The Celay System | Pocket Dentistry

    CAD/CAM technology allows creating three-dimensional models and their materialization by numerical controlled machines to operate more efficiently, reduce costs, increase user/patient satisfaction, and ultimately achieve profits. CAD/CAM tech is the answer to the constantly rising demand for esthetic and naturally …

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  • Microwave sterilization. — [email protected]

    2021-6-20 · The all-rounder Sega system, for instance, houses a 120 x 68 mm build volume, and is capable of 3D printing at speeds of 90 mm/hour and at a precision of 50 microns, while the Vega is custom-built ...

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  • DSI Digital Libraries Download - Dental Solutions

    2019-6-1 · In order to maximize the scavenging performance and produce sufficient in-cylinder flow motions for the fuel/air mixing process in the two-stroke BUSDIG engine, the engine bore/stroke ratio, intake scavenge port angles, and intake plenum design were optimized by three-dimensional (3D) computational fluid dynamics …

    Get Price
  • Dentafab's PowerResins cleared for 3D printing

    2015-10-22 · Internal root resorption is a chronic inflammatory process initiated within the pulp space with the loss of dentin. This condition demands a comprehensive understanding of the pathologic process, so as to identify the cause and arrest the resorptive phenomena. It is a rare occurrence, asymptomatic, with …

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  • A High-Efficiency Two-Stroke Engine Concept:

    2018-1-24 · YET ANOTHER CHAOTIC ATTRACTOR. GUANRONG CHEN. and. TETSUSHI UETA. GUANRONG CHEN. Department of Electrical and Computer Engineering, University of Houston, Houston, TX 77204-4793, USA. Search for more papers by this author. and. TETSUSHI UETA.

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  • Analysis of turbine blades using a rapid three

    A new fast-curing photoelastic material formulation is presented that, when used with recommended curing and loading cycles, reduces the time needed to obtain three-dimensional stress results to the order of a week or less. The new formulation allows models to be cast to shape (replicated from a prototype) rather than machined. …

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  • RESTORATIVE & PROSTHETICS

    2020-11-20 · New Three-Dimensional Rotor Durability Evaluation Test (compared with previous models) 200% *Based on internal air turbine bearing durability test data These bearings enable outstanding high-speed rotation and stability and are twice as durable as existing counterparts. New Bearings Amazing power in your hands. Air Turbine …

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  • Gutta-percha root canal obturator - GuttaCore -

    Find out all of the information about the Dentsply Sirona product: gutta-percha root canal obturator GuttaCore. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale.

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  • Dental insertion element of non-cylindrical shape

    2004-7-21 · The three-dimensional shape of the dental insertion element of that embodiment accordingly comprises, corresponding to the first part-circle seen in cross-section, a part-cylinder cut along the cylinder axis, which then passes into a curved portion of any shape corresponding to the at least one curved line seen in …

    Get Price
  • Comparison of two-equation turbulence models

    2012-5-17 · Transient three-dimensional CFD modelling of ceiling fans. Building and Environment, Vol. 123 ... Optimum design of a saw-tooth-shaped dental air-turbine using design of experiment. ... Unsteady in-cylinder heat transfer in a spark ignition engine: Experiments and modelling.

    Get Price
  • A Numerical Study on Performance of Dental Air

    2017-9-1 · Usually, high speed air-turbine dental handpieces operate at 200,000 to 400,000 revolutions per minute [5]. The main part of the dental air turbine is its high speed rotor head consisting of a casing with air inlet and outlet nozzles, impeller, spindle, chuck and bearings in millimeter size, as shown in Fig. 1.

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  • RENFERT Catalog 2019 - Renfert - PDF Catalogs

    Renfert products have a wide range of advantages, which users will appreciate each day for years to come. You can identify them quickly and easily with these five icons: making work easy tool included perfect view. EASY view 3D, 3D video microscope 4-5 AUTO spin, Model system 6 Overview Extraction units 7 SILENT EC2, Two …

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  • Flexural strength of zirconia after different grinding ...

    2020-10-27 · for dental restorations.(1,2) The main motivation for using zirconia as a material in biological environments is the chemical and dimensional stability traits, its mechanical strength and toughness , coupled with an E-modulus which can be compared with alloys of stainless

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  • International Journal of Modern Physics B | Online

    For power-law nonlinear system in higher-dimensional setting like the three-dimensional case, we derived its bright soliton solution with specific power-law feature based on the self-similar method. The dynamical evolution pattern of the derived solution is pictorially demonstrated which illustrates the typical bright …

    Get Price
  • UMEXPERT - DR. NORA SAKINA BINTI MOHD

    NORA SAKINA BINTI MOHD NOOR Department of Restorative Dentistry Faculty of Dentistry [email protected] ... Enhancing the three-dimensional visualization of a foreign object using Mimics software. ... 2007. Readership of Professional Journals among Malaysian Dentists Part II: Readership of the Malaysian Dental …

    Get Price
  • 3D Metallic Turbine Logo | BrandCrowd Logo Maker

    3D Metallic Turbine Logo Designer's description. This logo design is perfect if you need web logos, software logos, application logos or technology logos. Start editing this 3D Metallic Turbine logo for your business or team. Tags that describe this logo:

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  • The Celay System | Pocket Dentistry

    3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the object is created. Each of these layers can …

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  • What is 3D printing? How does a 3D printer work?

    2021-2-10 · Two-equation eddy-viscosity turbulence models for engineering applications. F. R. Menter. F. R. Menter. NASA Ames Research Center, Moffett Field, California 94035. Search for more papers by this author.

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  • Two-equation eddy-viscosity turbulence models

    2021-6-16 · In a joint tailoring project, Japanese ceramics expert AGC Ceramics Co., Ltd (AGCC) and voxeljet AG have qualified the high-performance ceramic material Brightorb for 3D printing. In addition to potential applications in the production of structural components and works of art, the material is particularly suitable for 3D …

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  • Brightorb ceramics for 3D printing new from

    2015-10-22 · Internal root resorption is a chronic inflammatory process initiated within the pulp space with the loss of dentin. This condition demands a comprehensive understanding of the pathologic process, so as to identify the cause and arrest the resorptive phenomena. It is a rare occurrence, asymptomatic, with …

    Get Price
  • Management of Inflammatory Internal Root

    2021-5-12 · Three-dimensional morphological and positional analysis of the temporomandibular joint in adults with posterior crossbite: A cross-sectional comparative study Bushra Sufyan Almaqrami , Maged Sultan Alhammadi , Bojun Tang , Enas Senan ALyafrusee , Fang Hua , Hong He ,

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  • Cad cam dentistry certificate programs in dentistry

    Rolls-Royce PLC. Oct 2017 - Present3 years 9 months. Derby, United Kingdom. o Aerothermal modeling of turbine flows in large civil aircraft engines. o Computational Fluid Dynamics in complex geometries. o Turbine cooling system designer for the Trent 900 and 1000 aeroengines. o Turbine-aerothermal R&D.

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  • US5340433A - Modeling apparatus for three

    Apparatus incorporating a movable dispensing head provided with a supply of material which solidifies at a predetermined temperature, and a base member, which are moved relative to each other along multiple axes in a predetermined pattern to create three-dimensional objects by building up material discharged from the …

    Get Price
  • CPC Scheme - A61C DENTISTRY; APPARATUS

    Dental appliances for receiving spittle, with or without rinsing means therefor, e.g. dental basins, spittoons, cuspidors [2019-05] WARNING Group A61C 17/14 is incomplete pending reclassification of documents from groups A61C 17/02 and …

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  • Study on the Intake Valve Close Timing

    2018-10-15 · To further verify this interesting misalignment, the airflow characteristics at the optimized IVC condition are studied by establishing a three-dimensional (3D) simulation. It is found that the appearance of backflow is a gradual process, and there exists an overall backflow when the engine volume efficiency …

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  • Metal casting processes - IIT G

    2016-2-29 · three piece moulding. Pattern: It is the replica of the final object to be made. The mould cavity is made with the help of pattern. Parting line: This is the dividing line between the two moulding flasks that makes up the mould. Moulding sand: Sand, which binds strongly without losing its permeability to air or gases. It …

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  • ISMRM 24th Annual Meeting & Exhibition

    2019-6-19 · Dental MRI is a new technique which is often impaired by artifacts due to metallic dental implants. Several MRI sequences were developed to reduce susceptibility artifacts (e.g. for orthopaedic implants). Here, we for the first time systematically evaluated MR sequences for artifact reduction in dental implants.

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  • Top 500 3D Models - 3D CAD Browser

    Chegg Solution Manuals are written by vetted Chegg experts, and rated by students - so you know you're getting high quality answers. Solutions Manuals are available for thousands of the most popular college and high school textbooks in subjects such as Math, Science ( Physics, Chemistry, Biology ), Engineering ( Mechanical, Electrical, …

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  • Rotary instrument/cosmetic dentistry course

    View & download of more than 736 Atlas Copco PDF user manuals, service manuals, operating guides. , Power Tool user manuals, operating guides & specifications

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