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  • Dimensional Accuracy of Dental Models for Three

    Previous studies on accuracy of three-dimensional (3D) printed model focused on full arch measurements at few points. The aim of this study was to examine the dimensional accuracy of 3D-printed models which were teeth-prepped for three-unit fixed prostheses, especially at margin and proximal contact areas.

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  • Dimensional Accuracy of Dental Models for Three

    Previous studies on accuracy of three-dimensional (3D) printed model focused on full arch measurements at few points. The aim of this study was to examine the dimensional accuracy of 3D-printed models which were teeth-prepped for three-unit fixed prostheses, especially at margin and proximal contact areas. The prepped dental model was scanned with a desktop scanner.

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  • Dental camera for three dimensional-measurement of

    2007-1-31 · Dental camera for three dimensional-measurement of e.g. rear molar teeth, has control unit controlling predetermined target velocity of scanning unit as function of position and time of scanning unit (PAT - DE102007005625) GAUS HARRY. GAUS HARRY. Patent: Document Laid open (First ...

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  • OSA | Three-dimensional beam profiling used to ...

    Two-dimensional (2D) beam profiling is an emerging technique used to characterize the beam homogeneity in dental light-curing units (LCUs). This project developed a method to combine multiple 2D beam profiles that had been measured along the beam path to create a 3D profile of the beam. This allowed a quantitative investigation of beam divergence and homogeneity at different distances from …

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  • Microfabrication and Test of Three-Dimensional Polymer ...

    2020-8-6 · The unit was microfabricated by means of SU-8 3D lithography. The 3D microstructure for coaxial sheathing was designed, microfabricated, and tested. Three-dimensional hydrofocusing capability was demonstrated with an experiment to sort labeled tanned sheep erythrocytes (red blood cells). This polymer hydro-focusing microstructure

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  • Microfabrication and Test of a Three-Dimensional

    2004-1-1 · This paper details a novel three-dimensional (3D) hydro-focusing micro cell sorter for micro flow cytometry applications. The unit was microfabricated by means of SU-8 3D lithography. The 3D microstructure for coaxial sheathing was designed, microfabricated, and tested. Three-dimensional hydro-focusing capability was demonstrated with an experiment to sort labeled tanned sheep erythrocytes ...

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  • Theoretically determined three-dimensional structure

    1. Proc Natl Acad Sci U S A. 1987 Jul;84(13):4470-4. Theoretically determined three-dimensional structure for the repeating tetrapeptide unit of the circumsporozoite coat protein of the malaria parasite Plasmodium falciparum.

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  • A three-dimensional polyhedral unit model for grain ...

    Technical data Permissible mains voltage frequency 220-240 V, 50/60 Hz | 100-120 V, 50/60 Hz Nominal voltage230 V | 220 V | 120 V | 100 V Suction turbine power 1610 W (230 V) | 1440 W (120 V) Volume flow (max.) 3984 l/min (2.34 ft3/s) Filter quality Class M according to EN 60335-2-69 CAM interface RJ 45 socket PLC: Input signal Output signal Sound pressure level (LpA) (at max. volume …

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  • RENFERT Catalog 2019 - Renfert - PDF Catalogs |

    It ensures availability of support for the LM6000 turbine control system. Features of Wood Group GTS' LM6000 control system include 1) open architecture system design, 2) proven Rockwell Automation PlantPAx[TM] platform, 3) operator access to all software licenses, and 4) extensive technical and spare-parts support network, email: [email protected], www.woodgroupgts.com, …

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  • OP 2D™ Excellent point of entry into ... - KaVo Dental

    2021-6-30 · The KaVo OP 2D was developed for dental practices and smaller X-ray centres that require an efficient and highly precise, digital panoramic system. The KaVo OP 2D is part of the exceptional ORTHOPANTOMOGRAPH™ family and can be easily integrated into the workflow of your practice. Which ORTHOPANTOMOGRAPH™ is best for you? Compare our extraoral products now.

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  • Optical 3D measurement techniques | FHNW

    The non-contact system delivers three-dimensional measurement data for a wide array of components, such as sheet metal, tools and moulds, turbine blades, prototypes, as well as injection and pressure die castings. For digitalising objects, an ATOS III Triple Scan System is available at the IPPE.

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  • making work easy 1 - Renfert

    2020-2-19 · dental practice, patients and specialists 4 Creation of photos and video sequences Optimum assessment of object structures in 3D mode The EASY view 3D’s three-dimensional mode enables easy hand-eye coordination and a natural working position. Its three-dimensional spatial representation is perfect for critically examining work objects.

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

    2012-5-23 · Three-dimensional Modelling of Coal Combustion in Blast Furnace ISIJ International, Vol. 48, No. 6 Self-consistency and the use of correlated stochastic separated flow models for prediction of particle-laden flows

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  • About Arcam | GE Additive

    2017-1-18 · The invention further concerns a dental unit (30) having one or more instrument connectors (C) onto which the control system of said dental unit (30) switches the physical variables required for the use of the instrument attached to said instrument connector. The invention also concerns a method of connecting an imaging means to a dental unit.

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  • [PDF] Three-Dimensional Finite Element Analysis of ...

    The aim of this study was to evaluate the influence of different framework materials on biomechanical behaviour of anterior two-unit cantilever resin-bonded fixed dental prostheses (RBFDPs). A three-dimensional finite element model of a two-unit cantilever RBFDP replacing a maxillary lateral incisor was created. Five framework materials were evaluated: direct fibre-reinforced composite (FRC ...

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  • The evolution of the CEREC system - ScienceDirect

    2006-9-1 · CEREC 3 (Sirona Dental Systems GmbH, Bensheim, Germany) divided the system into an acquisition/design unit and a separate machining unit. Three-dimensional software makes the handling illustrative and easy both in the office and in the laboratory.

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  • OSA | Designing unit cell in three-dimensional

    Colloidal phase-shift lithography, the illumination of a two-dimensional (2D) ordered array of self-assembled colloidal nanospheres, is an effective method for the fabrication of periodic three-dimensional (3D) nanostructures. In this work, we investigate the design and control of the unit-cell geometry by examining the relative ratio of the illumination wavelength and colloidal nanosphere ...

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  • High-resolution, real-time three- dimensional shape ...

    2014-2-26 · Abstract. A three-dimensional (3-D) shape measurement system that can simultaneously achieve 3-D shape acquisition, reconstruction, and display at 30 frames per second (fps) with 480,000 measurement points per frame is presented. The entire processing pipeline was realized on a graphics processing unit (GPU) without

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  • Three Dimensional Shapes (3D Shapes) - Definition &

    2015-9-30 · st Law of Thermodynamics: Control Volumes 2 m V dA (kg/s) A n Assuming one‐dimensional flow, a uniform (averaged or bulk) velocity can be defined: m°= ρ V A (kg/s) where V (m/s) is the fluid velocity normal to the cross sectional area. The volume of the

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  • A three-dimensional polyhedral unit model for grain ...

    优秀青年科学基金项目(海外)依托单位系统 关于填报《国家自然科学基金资助项目结题报告/成果报告》的说明 操作说明 ...

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  • First Law of Thermodynamics Control Volumes - SFU

    A(n) _____ is a form of three-dimensional projection in which all three planes are drawn parallel to established axes and at full scale. orthographic projection A(n) ______ is a form of three-dimensional projection that presents six views of an object in which the line of sight for each view is perpendicular to the plane of the figure.

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  • Microfabrication and Test of a Three-Dimensional

    2004-1-1 · This paper details a novel three-dimensional (3D) hydro-focusing micro cell sorter for micro flow cytometry applications. The unit was microfabricated by means of SU-8 3D lithography. The 3D microstructure for coaxial sheathing was designed, microfabricated, and tested. Three-dimensional hydro-focusing capability was demonstrated with an experiment to sort labeled tanned sheep erythrocytes ...

    Get Price
  • Three-Dimensional Finite Element Analysis of Anterior

    Three-Dimensional Finite Element Analysis of Anterior Two-Unit Cantilever Resin-Bonded Fixed Dental Prostheses FilipKeulemans,1 AkikazuShinya,2,3 LippoV.J.Lassila,2 PekkaK.Vallittu,2 CornelisJ.Kleverlaan,4 AlbertJ.Feilzer,4 andRoelandJ.G.DeMoor1

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  • Interpenetration of a three-dimensional Cu(I)

    Interpenetration of a three-dimensional Cu(I) coordination framework controlled by adjusting the symmetry of its secondary building unit Author links open overlay panel Shi-Bin Ren a b Zhang-Jian Qiu a Jun Yan a Song-Lin Zhao a Cheng-Lin Wu a Wen-Ping Jia a De-Man Han a Hua-Ding Liang a

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  • DIMENSIONAL ANALYSIS AND MODELING I

    2013-2-20 · DIMENSIONAL ANALYSIS AND MODELING In this chapter, we first review the concepts of dimensionsand units.We then review the fundamental principle of dimensional homogeneity, and show how it is applied to equations in order to nondimensionalizethem and to identify dimensionless groups.We discuss the concept of similarity between a modeland a prototype.We also describe a powerful tool for …

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  • 12.3 The Euler Turbine Equation

    2008-9-3 · 12. 3 The Euler Turbine Equation The Euler turbine equation relates the power added to or removed from the flow, to characteristics of a rotating blade row. The equation is based on the concepts of conservation of angular momentum and conservation of energy. We will work with the model of the blade row shown in Figure 12.2.

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  • Extending to Three Dimensions | Math - New Visions

    Unit five is about describing, representing and using the relationships between two-dimensional and three-dimensional figures to model and solve problems arising in everyday life. Throughout the unit, students examine the relationships between 1-D, 2-D and 3-D geometric representations to determine which ones to apply in describing and modeling ...

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  • Three-dimensional photonic crystal waveguides and ...

    A three-dimensional photonic crystal may provide single-mode, low-loss, group-velocitydispersionless, and compact waveguides. We report designs of double-heterojunction optical waveguides in a threedimensional photonic crystal. Compact optical waveguide modes are induced by modulating unit cells onedimensionally or two-dimensionally.

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  • Hitachi Technology 2019 : 2019 Vol.68 No.2 : Hitachi

    2021-6-28 · Hitachi Review Vol. 68 (2019) No. 2 is “Hitachi Technology 2019.” This issue of Hitachi Review presents topics in a variety of business fields, primarily Hitachi's digital solutions and unique products that underpin it's Social Innovation Business.

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  • Three dimensional flow around a circular cylinder

    For the capture of CO2 from mixed gas streams, materials for increased gas exchange are necessary. Efficient gas exchange systems already exist in the form of vascularized lung-tissue. Herein we report a fabrication technique for the synthesis of three-dimensional microvascular gas exchange units capable of removing CO2 from flowing gas created using the recently reported Vaporization of a ...

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  • Three Dimensional Shapes (3D Shapes) - Definition &

    2020-5-12 · 7.2 Analysis of Three Dimensional Stress and Strain . The concept of traction and stress was introduced and discussed in Book I, §3. For the most part, the discussion was confined to two-dimensional states of stress. Here, the fully three dimensional stress state is examined. There will be some repetition of the earlier analyses.

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  • A Biomimetic Three-Dimensional Gas Exchange Unit

    2013-2-20 · DIMENSIONAL ANALYSIS AND MODELING In this chapter, we first review the concepts of dimensionsand units.We then review the fundamental principle of dimensional homogeneity, and show how it is applied to equations in order to nondimensionalizethem and to identify dimensionless groups.We discuss the concept of similarity between a modeland a prototype.We also describe a powerful tool for …

    Get Price
  • 7.2 Analysis of Three Dimensional Stress and Strain

    A three-dimensional photonic crystal may provide single-mode, low-loss, group-velocitydispersionless, and compact waveguides. We report designs of double-heterojunction optical waveguides in a threedimensional photonic crystal. Compact optical waveguide modes are induced by modulating unit cells onedimensionally or two-dimensionally.

    Get Price
  • DIMENSIONAL ANALYSIS AND MODELING I

    2017-1-18 · The invention further concerns a dental unit (30) having one or more instrument connectors (C) onto which the control system of said dental unit (30) switches the physical variables required for the use of the instrument attached to said instrument connector. The invention also concerns a method of connecting an imaging means to a dental unit.

    Get Price
  • Controlling three-dimensional optical fields via inverse ...

    A(n) _____ is a form of three-dimensional projection in which all three planes are drawn parallel to established axes and at full scale. orthographic projection A(n) ______ is a form of three-dimensional projection that presents six views of an object in which the line of sight for each view is perpendicular to the plane of the figure.

    Get Price