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  • Dong Joo Song's research works | Yeungnam

    Dong Joo Song's 42 research works with 256 citations and 1,427 reads, including: Optimum Design of the Dental Air-Turbine Handpiece System Using the Design of Experiment Method

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  • Makhsuda Juraeva's research works | Yeungnam

    The air turbine is main part of the dental handpiece. High-pressure air enters the turbine and strikes the blades to drive the turbine rotor.

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  • (PDF) Novel Designs of Turbine Blades for

    2020-11-12 · It integrates dental chair control, blowing air, water spray from handpiece, flushing of the cuspidor and gargling water, which is convenient for dentists to use. Water, air, electricity main switch and emergency stop switch One button controls water, air and electricity, practical and convenient.

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  • Shahram DERAKHSHAN | Assistant Professor |

    Bur speeds were found to decrease with the depth of cut and with the feed rate, by a maximum of 10.5% from the free-running speed of 322.2 krpm (1 krpm=1,000 rpm) to 288.4 krpm at the highest feed ...

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  • Dental Chair Package, ZC-S400 | JOINCHAMP

    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 …

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  • A testing machine for dental air-turbine handpiece

    2020-5-18 · • Line voltage @ 50Hz 220V for three-phase or single-phase units. • Units in a temperature stable condition. • Delivery measurements made with output port throttled. • Suction measurements made with input port throttled. • Test Conditions: Inlet air density at 0.075 lbs per cu ft. [20 °C (68 °F), 29.92 inHg (14.7 …

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  • US5121329A - Apparatus and method for

    This standard should be used together with the appropriate IEC and ISO standards mentioned in Clause 2. In particular, this standard is fully consistent with the requirements of IEC 61400- 1. The safety level of the offshore wind turbine designed according to this standard shall be at or exceed the level inherent in IEC 61400-1.

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  • Regenair - gastmfg.com

    2019-4-1 · A metal–ceramic composite part with a 3D periodic structure was successfully created by pressure infiltration with liquid aluminium of an alumina tower fabricated by robocasting of Al 2 O 3 –ZrO 2 gel paste . Promising results, including a very low thermal expansion coefficient and compressive strength much greater …

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  • CBCT 3D - Dental Polyclinic Medikadent

    Dental cone beam computed tomography (CBCT) is a special type of x-ray machine used in situations where regular dental or facial x-rays are not sufficient. This type of CBCT scanner uses a special type of technology to generate three dimensional (3D) images of dental structures, soft tissues, nerve paths and bone in the craniofacial …

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  • Dental Drill - an overview | ScienceDirect Topics

    Dental burs have revolutionized the dentistry field and are used for cutting hard tissues such as bone or tooth [1,4,6–9]. 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 …

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  • 3D printing of ceramics: A review - ScienceDirect

    2019-4-1 · The SL technique is believed to be the most prominent and popular 3D printing technology and has been extensively used worldwide [].It was first proposed and developed by Hull in 1986 [] and was later commercialised by 3D Systems Inc. SL is a process in which a light source of a certain wavelength (usually in the …

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  • Design considerations and experimental results of

    2006-8-11 · Isomura K, Tanaka S, Murayama M, Yamaguchi H, Ijichi N, Genda T, Saji N, Shiga O, Takahashi K and Esashi M 2003 Development of micro-turbo charger and micro-combustor as feasibility studies of three-dimensional gas turbine at micro-scale Proc. ASME Turbo Expo, Power for Land, Sea, and Air (Atlanta, GA, USA, 16 …

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  • IEC 61400-3 : Wind turbines – Part 3: Design

    IEC 61400-3, 1st Edition, February 2009 - Wind turbines – Part 3: Design requirements for offshore wind turbines This part of IEC 61400 specifies additional requirements for assessment of the external conditions at an offshore wind turbine site and it specifies essential design requirements to ensure the engineering …

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  • W&H - Piezoelectric implant site preparation

    A flame-shaped, diamond-coated piezoelectric instrument (Piezomed I1) was used to mark the implant positions and to perform pilot preparation (Fig. 3). Care was taken to use an up and down movement, with reduced power, full irrigation and low pressure (below 300 g). Next a pilot instrument (Piezomed I2A/I2P) was applied …

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  • Developments in investment casting process—A

    2012-11-1 · Kotzin (1981) stated that this process was used for several centuries for making jewellery, idols and art castings. Such jewellery castings have been found not only in the treasures of the Pharaohs of Egypt, Inca tombs of Central/South America, but also, in Europe, the ancient Etruscans, the Greeks, etc. Fig. 2 shows one such …

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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 …

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  • Regenair - gastmfg.com

    2020-5-18 · 3. Elbows create additional friction which causes pressure loss and back pressure. Plumbing at least one pipe size larger than the blower pipe ports minimizes the friction loss they create. 4. The pressure/vacuum relief valve should be installed in a “T” which is at least one pipe size larger than that of the exhaust of the blower.

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  • Progress and trends in nondestructive testing and ...

    2016-7-1 · In , a non-contact laser ultrasonic wave field imaging technique and related standing wave filter was developed for detecting and visualizing of delamination and debonding.A delamination in a GFRP composite wind blade structure has been successfully visualized. An actual 10 kW wind turbine blade …

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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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  • :: JPIS :: Journal of Periodontal & Implant Science

    Three-dimensional measurements of the distances using boundary curves. Based on the 2 applied edge curves, the boundary curve difference was calculated. In each case, a lot was cut from the edge curve of alveolar impression at T 0 on the edge curve of the cone-beam computed tomography image of the alveolus at T 1. The …

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  • W&H - Piezoelectric implant site preparation

    A flame-shaped, diamond-coated piezoelectric instrument (Piezomed I1) was used to mark the implant positions and to perform pilot preparation (Fig. 3). Care was taken to use an up and down movement, with reduced power, full irrigation and low pressure (below 300 g). Next a pilot instrument (Piezomed I2A/I2P) was applied …

    Get Price
  • Design considerations and experimental results of

    2006-8-11 · Isomura K, Tanaka S, Murayama M, Yamaguchi H, Ijichi N, Genda T, Saji N, Shiga O, Takahashi K and Esashi M 2003 Development of micro-turbo charger and micro-combustor as feasibility studies of three-dimensional gas turbine at micro-scale Proc. ASME Turbo Expo, Power for Land, Sea, and Air (Atlanta, GA, USA, 16 …

    Get Price
  • Regenair - gastmfg.com

    2020-5-18 · 3. Elbows create additional friction which causes pressure loss and back pressure. Plumbing at least one pipe size larger than the blower pipe ports minimizes the friction loss they create. 4. The pressure/vacuum relief valve should be installed in a “T” which is at least one pipe size larger than that of the exhaust of the blower.

    Get Price
  • 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
  • (PDF) Bioprocessing Equipment ASME BPE-2016

    Bioprocessing Equipment ASME BPE-2016

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  • AB98817001 - Top-mounted Breathers and Filler

    The Parker AB Series comprises a broad range of top-mounted breathers and filler breathers. The filler breathers protect hydraulic systems from airborne particle ingress, while allowing sufficient airflow into and out of the fluid reservoir.

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  • US Patent, Patent Application and ... - Justia

    2021-5-26 · The three-dimensional computer-aided design (CAD) models of part and CCC were imported from an Creo parametric 3D modeling software to Moldex3D simulation software (R14 SP3OR, CoreTech System Inc.) via a data exchange STEP format for investigating the cooling time of the injection-molded part, transit mold …

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  • Teeth: What Radiologists Should Know |

    2012-11-1 · Dental and periodontal disease have also been linked to cardiovascular and systemic inflammatory disease, making identification important for early treatment (3–5,6).Both multidetector and cone-beam CT are able to generate three-dimensional (3D) image volumes of the oral cavity.

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  • (PDF) Bioprocessing Equipment ASME BPE-2016

    Bioprocessing Equipment ASME BPE-2016

    Get Price
  • W&H - Piezoelectric implant site preparation

    Due to the relatively hard bone (D2) in this area, the 10 mm long implant sites at positions 11 and 21 were finalized with a 4 mm diameter rotary drill, in combination with a W&H WS-75 L surgical contra-angle handpiece, the W&H Implantmed implant motor and the optional W&H Osstell ISQ module. In contrast, due to the soft bone …

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  • AB98817001 - Top-mounted Breathers and Filler

    The Parker AB Series comprises a broad range of top-mounted breathers and filler breathers. The filler breathers protect hydraulic systems from airborne particle ingress, while allowing sufficient airflow into and out of the fluid reservoir.

    Get Price
  • Regenair - gastmfg.com

    2020-5-18 · 3. Elbows create additional friction which causes pressure loss and back pressure. Plumbing at least one pipe size larger than the blower pipe ports minimizes the friction loss they create. 4. The pressure/vacuum relief valve should be installed in a “T” which is at least one pipe size larger than that of the exhaust of the blower.

    Get Price
  • X-ray computed tomography | Nature Reviews

    2021-2-25 · X-ray computed tomography (CT) can reveal the internal details of objects in three dimensions non-destructively. In this Primer, we outline the basic principles of CT and describe the ways in ...

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  • A low-cost and highly efficient method of

    2021-5-26 · The three-dimensional computer-aided design (CAD) models of part and CCC were imported from an Creo parametric 3D modeling software to Moldex3D simulation software (R14 SP3OR, CoreTech System Inc.) via a data exchange STEP format for investigating the cooling time of the injection-molded part, transit mold …

    Get Price
  • The 2016 Thermal Spray Roadmap | SpringerLink

    2 天前 · 本站是国内最大、影响最广的SCIHub论文下载链接站,24小时自动检测SCI-Hub的最新可用网址,免费下载SCI论文,为广大科研工作者提供志愿服务,欢迎使用。

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  • Volume 3 - How Products Are Made

    Dental Drill. The dental drill is a tool used by dentists to bore through tooth enamel as well as to clean and remove plaque from the tooth's surface. It is composed primarily of a handpiece, an air turbine, and a tungsten carbide drill bit. Denture. Dentures, or false teeth, are fixed or removable replacements for teeth.

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  • AB98812021 - Top-mounted Breathers and Filler

    The Parker AB Series comprises a broad range of top-mounted breathers and filler breathers. The filler breathers protect hydraulic systems from airborne particle ingress, while allowing sufficient airflow into and out of the fluid reservoir.

    Get Price
  • Teeth: What Radiologists Should Know |

    2012-11-1 · Dental and periodontal disease have also been linked to cardiovascular and systemic inflammatory disease, making identification important for early treatment (3–5,6).Both multidetector and cone-beam CT are able to generate three-dimensional (3D) image volumes of the oral cavity.

    Get Price
  • Operative Dentistry and the Abuse of Dental Hard

    2008-3-1 · Air-abrasion is a technique that was “rediscovered” in the 1990s and has a number of useful attributes for modern, minimally-invasive dental techniques. Air-abrasion offers multiple benefits for cutting vulnerable materials with minimal temperature changes (+/−2°C) or vibration, thus minimizing the risk of …

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  • (PDF) [Dixon S.L., Hall C.A.] Fluid Mechanics and

    Academia.edu is a platform for academics to share research papers.

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  • Heterogeneous Aspects of Additive Manufactured

    2021-1-2 · Metal additive manufacturing (MAM) is an emerging technology to produce complex end-use metallic parts. To adopt MAM for manufacturing numerous engineering parts used in critical applications, a thorough understanding of the relationship between the complex thermal cycles in MAM and the unique …

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  • US7686995B2 - Three-dimensional printer -

    A three-dimensional printer uses inkjet-type printheads to rapidly prototype, or print, a three-dimensional model. A powder feeder includes a conveyor system and a metering system to deliver powder to a build area in measured quantities. The powder feeder also includes a vacuum system for loading powder into a feed …

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  • 3-D printing: A tool for production | C&EN Global

    2019-5-26 · At its Autoeuropa factory in Portugal, where it assembles 100,000 cars a year, Volkswagen has deployed a fleet of desktop three-dimensional printers made by the Dutch firm Ultimaker. Last year, the machines printed more than 1,000 plastic tools and fixtures Volkswagen needed around the plant. One example is a plastic …

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  • DENTAL BUR - TTI TURNER TECHNOLOGY

    DENTAL BUR . United States Patent Application 20110171595 . Kind Code: A1 . Abstract: The invention relates to an improved bur for use in handpieces having a rotatable chuck with a tool bore for receiving the bur, a friction grip member for frictionally retaining the bur in the chuck and a torque lock seat of non-circular …

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  • 6in1 40KHz Ultrasonic Cavitation Vacuum Radio

    2021-6-2 · Body-shaping Equipment adopts the most advanced high-speed turbine negative pressure technology, and innovative three-dimensional conversion technology,combining with microcomputer chip controlled patent roller axis,and has an anti-geocentric attract effect on the skin.

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