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  • Takumi Sato - Three-dimensional measurement of

    Three-dimensional measurement of cutting operation with dental turbine and its basic analysis

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  • Three-dimensional Navier-Stokes simulations of

    2012-5-23 · No Access. Three-dimensional Navier-Stokes simulations of turbine rotor-stator interaction. Part I - Methodology. Man Mohan Rai. Man Mohan Rai. NASA Ames Research Center, Moffett Field, California. Search for more papers by this author. Published Online:23 May 2012 https://doi.org/10.2514/3.23154. PDF.

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  • Three-dimensional Navier-Stokes simulations of

    Understanding such flows is crucial to improving current designs of turbomachinery. The computational approach can be used to great advantage in understanding flows in turbomachinery. A finite difference, unsteady, thin layer, Navier-Stokes approach to calculating the flow within an axial turbine …

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  • Three-Dimensional Flow Separations in the Diffuser of

    2012-5-3 · The control valve unit containing four independently operable valves is a mockup of a typical steam turbine design converted for the use of compressed air with a maximum of 4 bar. The investigations focus on the transient flow behavior and fluid-structure interaction in connection to valve lift and pressure ratio.

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  • Dental Drill - an overview | ScienceDirect Topics

    They are normally made of stainless steel, diamond grit or particles, and tungsten carbide and fitted to a dental drill incorporating an air turbine. The dental bur was developed <300 years ago [8] and still widely used. The dental bur [4,8,9] has three parts: the head, the neck, and the shank. The head contains the blades, which produce cutting action by rotary motion.

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  • (PDF) Accuracy of three-dimensional printing for ...

    Although three‐dimensional (3D) printing technology is increasingly used in dental education, its application regarding the provision of online visual augmented feedback has not been tested.

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  • VOXEL-MAN 3D-Navigator: Inner Organs

    VOXEL-MAN 3D-Navigator: Inner Organs is an new kind of anatomical and radiological atlas. It is novel in at least two respects: Unlike books or traditional multimedia programs, it allows interactive exploration of a detailed three-dimensional anatomical model. Each structure is labeled and described, and can thus be interrogated directly on the screen.

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

    The Delta-TT Cup designed by Dr. Guido Grappiolo and LimaCorporate is made of Trabecular Titanium, which is characterized by a regular, three-dimensional, hexagonal cell structure that imitates trabecular bone morphology. The trabecular structure increases the biocompatibility of the titanium by encouraging bone growth into the implant.

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  • dental chair dimensions | Treedental

    Configurations. 1.Luxury patient chair with safety system 1 set. 2.Sewed eco-leather cushion 1 set. 3.Water unit box with color painting 1 set. 4.Top mounted instrument tray 1 set. 5.Main switch for water/air/power 1 set. 6.Foot controller, 4-way joystick 1 set. 7.3-way syringe (cold/hot water) 2 sets. 8.LED operating light with sensor 1 set.

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  • US5121329A - Apparatus and method for creating

    Three-dimensional objects may be produced by depositing repeated layers of solidifying material until the shape is formed. Any material, such as self-hardening waxes, thermoplastic resins, molten metals, two-part epoxies, foaming plastics, and glass, which adheres to the previous layer with an adequate bond upon solidification, may be utilized.

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  • Three-dimensional Navier-Stokes simulations of

    Fluid flows within turbomachinery tend to be extremely complex in nature. Understanding such flows is crucial to improving current designs of turbomachinery. The computational approach can be used to great advantage in understanding flows in turbomachinery. A finite difference, unsteady, thin layer, Navier-Stokes approach to calculating the flow within an axial turbine stage is presented.

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  • Analysis of the development of human foetal nasal ...

    METHODS: We investigated the three-dimensional construction of human foetal NC elements, including ST, MT, IT and vomer, using CBCT images from 16 weeks gestation (E16) to E31 (25 foetuses) and compared it to histochemical observations (E25).

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  • Three-dimensional printing technologies in the

    Purpose: Patients with maxillofacial deformities always seek for aesthetic prosthesis. Recently, three-dimensional printing technologies have been used for dental treatments on such patients. Case report: A 24-year-old man reported to the Department of Prosthodontics for replacement of his missing right ear induced by a trauma. A magnet-retained auricular prosthesis was planned for the patient.

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  • Buccal Fat Pad-Derived Stem Cells in Three

    At 10 months postoperatively, radiographic evaluation revealed thorough survival of implants. The second case was a 22-year-old man with the same complaint and large bony defects created after his teeth were extracted. After 6 months of post-guided bone regeneration, he received 4 dental implants in his maxilla and 7 implants in the mandible.

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  • (PDF) Accuracy of three-dimensional printing for ...

    2004-6-15 · MAN Turbomaschinen AG Schweiz, Hardstrasse 319, CH-8005 Zurich, Switzerland ... Contributed by the International Gas Turbine Institute and presented at the International Gas Turbine and Aeroengine Congress and Exhibition, Atlanta, GA, June 16–19, 2003. ... Three-dimensional CFD simulations and experimental measurements demonstrate the ...

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  • Design of Industrial Axial Compressor Blade Sections

    What is 3D Printing? 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 …

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

    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 from the dispensing head onto the base member at a controlled rate.

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  • VOXEL-MAN 3D-Navigator: Inner Organs

    General flows are three dimensional, but many of them may be studied as if they are one dimensional. For example, whenever a flow in a tube is considered, if it is studied in terms of mean velocity, it is a one-dimensional flow, which is studied very simply. ... A man-made structure where water flows is called an open water channel. Chapter 8 ...

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  • Takumi Sato - Three-dimensional measurement of

    In order to construct the skill acquisition method for a common treatment of dental caries, it is necessary to prepare quantitative guidelines for Dental students.

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  • In this study, measurement and analysis for the movements of fingers and turbine have been conducted during tooth removal and restoration process using three-dimensional motion capture.

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  • Analysis of the Three-Dimensional Flow in a Turbine

    The present analysis describes the three dimensional compressible inviscid flow in the scroll and the vaneless nozzle of a radial inflow turbine. The solution to this flow field, which is further complicated by the geometrical shape of the boundaries, is obtained using the finite element method.

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  • Three Dimensional Dental Anatomy Software Program

    Teaching Oral Anatomy using Digital Interactive Dental Models. Tooth Explorer TM is a three dimensional dental software program designed to teach oral anatomy in a highly efficient digital environment. This program provides dentistry students with an interactive, three-dimensional dental library of …

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  • THREE DIMENSIONAL CFD SIMULATION OF A

    2012-12-27 · This work aim was to insert in this scenario the basis for the three dimensional fluid dynamic simulation of a turbocharger for motorsport application, starting from the turbine component. Several steps in building the model are normally required, nevertheless bringing to its most reliable behaviour aligned to the calibration values.

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  • Three dimensional resonant vibrations and stresses in ...

    2020-10-13 · 'Three dimensional resonant vibrations and stresses in turbine blade groups' (1981). Thesis. Rochester Institute of Technology. Accessed from This Thesis is brought to you for free and open access by RIT Scholar Works. It has been accepted for inclusion in

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  • Fully Coupled Three-Dimensional Dynamic Response

    The model includes three-dimensional wind and wave loads and the associated structural response. The total system is formulated using 17 degrees of freedom (DOF), 6 for the platform motions and 11 for the wind turbine. Three-dimensional hydrodynamic loads have been formulated using a frequency- and direction-dependent spectrum.

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  • (PDF) Accuracy of three-dimensional printing for ...

    2012-5-3 · A test rig for Steam Turbine Control Valves is operated at the Laboratory of Turbomachinery of the Helmut-Schmidt-University in Hamburg. The control valve unit containing four independently operable valves is a mockup of a typical steam turbine design converted for the use of compressed air with a maximum of 4 bar.

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  • Three-Dimensional Flow Separations in the Diffuser of

    2009-2-4 · York, WD, & Leylek, JH. 'Three-Dimensional Conjugate Heat Transfer Simulation of an Internally-Cooled Gas Turbine Vane.' Proceedings of the ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference. Volume 5: Turbo Expo 2003, Parts A and B. Atlanta, Georgia, USA. June 16–19, 2003. pp. 351-360. ASME.

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  • Three-Dimensional Conjugate Heat Transfer

    Configurations. 1.Luxury patient chair with safety system 1 set. 2.Sewed eco-leather cushion 1 set. 3.Water unit box with color painting 1 set. 4.Top mounted instrument tray 1 set. 5.Main switch for water/air/power 1 set. 6.Foot controller, 4-way joystick 1 set. 7.3-way syringe (cold/hot water) 2 sets. 8.LED operating light with sensor 1 set.

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  • [PDF] Three Dimensional Stress Analysis of a Dental ...

    2011-12-5 · In this study, we propose a new short dental implant and investigate its bio-mechanical characteristics by using three dimensional finite element analyses. The proposed dental implant has the central cavity which can be integrated with the core of cancellous bone remained by trepanning drill. We take the Bicon short implant as a reference model for studying the effects according to the shape ...

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  • Three-Dimensional Imaging - Dimensions of Dental

    2013-6-11 · Cone-beam computed tomography produces three-dimensional imaging of oral and maxillofacial structures. There are certain limitations to using CBCT, including a lack of clarity with some images. Also, many pathologies can still be detected through the use of conventional radiographs, thus reducing the need for CBCT imaging.

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  • AMT - Three-dimensional structure of wind turbine

    Three-dimensional structure of wind turbine wakes as measured by scanning lidar. Abstract. The lower wind speeds and increased turbulence that are characteristic of turbine wakes have considerable consequences on large wind farms: turbines located downwind generate less power and experience increased turbulent loads.

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  • Steam Turbines for Power Generation | GE Steam Power

    2021-7-2 · ARABELLE 1700. Nuclear reheat. Up to 75bar 300°C 1090psig 570F. 1200 - 1900MW. GE’s Arabelle turbine is the most powerful nuclear steam turbine in operation. Suiting all reactors type, from 700MW up to 1,900MW, the Arabelle is highly efficient, reliable, and cost effective. Learn more about Arabelle 1700.

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  • Development of a Three-Dimensional Viscous-Inviscid ...

    DEVELOPMENT OF A THREE-DIMENSIONAL VISCOUS-INVISCID COUPLING METHOD FOR WIND TURBINE COMPUTATIONS Nestor Ramos Garc´ ´ıa , Jens Nørkær Sørensen and Wen Zhong Shen Department of Wind Energy, Fluid Mechanics Section, Building 403, Technical University of Denmark, DK-2800 Lyngby Denmark, E-mail: [email protected] June 7, 2013 Abstract

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  • METHOD AND DEVICE FOR THREE-DIMENSIONAL

    The image analyzer unit 60 generates a three-dimensional model of the dental model 5 by means of triangulation methods using the measurement surfaces recorded. The three-dimensional model may then be displayed as needed on a display device 65. In one embodiment, the display device 65 is coupled to the image analyzer unit 60. In addition, the ...

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  • [PDF] Accuracy evaluation of a new three-dimensional ...

    The article introduces a new method for three-dimensional reproduction of edentulous dental casts, and wax occlusion rims with jaw relation by using a commercial high-speed line laser scanner and reverse engineering software and evaluates the method’s accuracy in vitro. The method comprises three main steps: (i) acquisition of the three-dimensional stereolithography data of maxillary and ...

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  • Three-dimensional modelling for assessment of far

    Three turbulence perturbation terms are added to the turbulence closure to simulate the turbine-induced turbulence generation, dissipation and interference for the turbulence length-scale. Impacts of turbine operation on surface waves are also considered by modification of wave energy flux across the device.

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  • Three-Dimensional Microstructured Lattices for Oil

    Request PDF | Three-Dimensional Microstructured Lattices for Oil Sensing | Monitoring of environmental contamination, including oil pollution, is important to protect marine ecosystems. A wide ...

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  • Advancements in metal 3D printing - Roland Berger

    2021-7-5 · and turbine blades. For the last of these items, PBF-L costs as much as 70 times more than conventional man-ufacturing techniques, for example. B The productivity of PBF-L is closely linked to the num-ber of lasers that are active at the same time. One produc-er of PBF-L equipment is currently preparing to launch a

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  • 3D a dental diagnostic tool | Archives | apg-wi.com

    2011-6-24 · 3D a dental diagnostic tool. Dr. Thomas Lovlien, left, and Dr. Duncan Puffer and Northern Oral & Maxillofacial Surgeons are now using three-dimensional images to more accurately identify bone ...

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  • Jin Xiao, D.D.S., Ph.D. - University of Rochester

    Jin Xiao earned her DDS (2003), and PhD in oral microbiology (2009) from West China College of Stomatology, Sichuan University, China. She completed her last two years of PhD study (2007-2009) in the Center of Oral Biology, University of Rochester and followed by one year postdoctoral training in the Center of Oral Biology.

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  • Auro-3D Auro Technologies : Three-dimensional sound

    Request PDF | Three-Dimensional Microstructured Lattices for Oil Sensing | Monitoring of environmental contamination, including oil pollution, is important to protect marine ecosystems. A wide ...

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  • Three-Dimensional Microstructured Lattices for Oil

    David Booth, a founder of Dimensional Fund Advisors in 1981, is the firm’s Executive Chairman. David has won numerous awards for his accomplishments in applying financial theory and research to the practical world of asset management, and has written numerous articles, particularly for his pioneering work in indexing and small capitalization investing.

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  • Our People | Dimensional

    2020-2-19 · Dental implant surgery is a common procedure in oral and maxillofacial surgery practices. Extensive training, skill, and experience allow this procedure to be performed with an atraumatic approach, but like any surgical technique, it is subject to accidents and complications. This is an unusual clinical case of an accidental displacement of an implant into the submandibular space that ...

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  • Mohammad HOSSAIN | Professor (Assistant) | BDS,

    Many translated example sentences containing 'make three-dimensional' – German-English dictionary and search engine for German translations.

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  • Successful Management of Ludwig’s Angina due to

    2020-4-1 · The Welsh Government said providing the right equipment to dentists was a priority, but 'all routine dental care, treatments, and check-ups have been cancelled for the time being'.

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