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    2020-8-6 · Three-dimensional flow visualization model tests verified the actual blade coolant passage design following the addition of five pedestals in the trail- ing edge tip turn area to eliminate a flow separation problem there.

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  • A new method for generating ceramic restorations: a

    Basic features include the following: the cavity preparation is scanned stereo-photogrammetrically, using a three-dimensional miniature video camera; the small microprocessor unit stores the three-dimensional pattern depicted on the screen; the video display serves as a format for the necessary manual construction via an electrical signal; the microprocessor develops the final three-dimensional restoration from the two-dimensional …

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  • Portable Dental Unit | Integrated Portable Dental Chair ...

    2019-10-12 · The dental chair has a built-in pure water system that can also switch to tap water usage. The dental chair's tool tray is equipped with a three-way syringe and a handpiece that can be independently heated. In winter, the syringe and hand piece will maintain a constant temperature of 40℃, easing any discomfort in the patient caused by cold water.

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  • Contamination of dental unit waterlines: assessment

    2016-12-16 · To assess the efficacy of three continuous water disinfection systems for dental units under real conditions of dental care.

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  • Water turbine | Article about Water turbine by The

    The entity and three-dimensional model of the original water turbine are shown in Figure 1. Performance Improvement of a Micro Impulse Water Turbine Based on Orthogonal Array The use of hydroelectric power first appeared in Grand Rapids, MI in 1880 when a dynamo driven by a water turbine was used to provide arc lighting to a theater and storefront (US DOE, 2015).

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  • Three-dimensional obturation of the root canal using ...

    1977-5-1 · Three-dimensional obturation of the root canal using injection-molded, thermoplasticized dental gutta-percha

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  • Evaluation of the simulator with automatic irrigation ...

    2020-6-1 · The simulator's DUWL was filled with tap water (TW), and left for approximately one year. Neutral electrolyzed water (NEW) was used as a decontaminant for DUWL. Both TW and NEW were passed through DUWL in a timely manner simulating daily dental treatment. Water was sampled from the air turbine hand piece weekly for 4 weeks and used for HB culture.

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  • Electro-chemically activated water in dental unit water ...

    Design Thirteen dental units fitted with independent water systems and used for 12 years with distilled water were divided into two groups, A and B. At the start, one week later, and again four ...

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  • Control Equipment - Fuji Electric

    2020-3-30 · system is used to maintain the current operation status or safely shut down operations. This backup system also allows the operator to start or stop the plant operation manually without the DCIS. 150kV system substation Main transformer The oil-immersed self-cooled transformer is equipped with a v oltage tap changer.

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  • PAPER OPEN ACCESS Preliminary design and

    2019-10-10 · present study, a three-dimensional (3-D) model of the PDT was created in SOLIDWORKS® as shown in figure 1. The model was designed based the methodology from Zhaohui and Smith [10]. Special attention was paid that the rotors while rotating do not overlap with each other at …

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  • Three-dimensional obturation of the root canal using ...

    1977-5-1 · Three-dimensional obturation of the root canal using injection-molded, thermoplasticized dental gutta-percha ... gutta-percha was ob- served in initial experiments where the needle opening was placed midway in the root canal system, far short of the apex. ... The specimens were rinsed under cool tap water to remove excess dye after the ...

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  • Portable Dental Unit | Integrated Portable Dental Chair ...

    2019-10-12 · The dental chair has a built-in pure water system that can also switch to tap water usage. The dental chair's tool tray is equipped with a three-way syringe and a handpiece that can be independently heated. In winter, the syringe and hand piece will maintain a constant temperature of 40℃, easing any discomfort in the patient caused by cold water.

    Get Price
  • 803 Dental Unit | Dental Equipment Manufacturer |

    2019-10-12 · The chair has a three-way syringe (water, gas, water mist) for use with cold or hot water, and a head that can be removed for easy cleaning and disinfection. The chair is equipped with an infrared-induction LED intraoral camera with adjustable intensity. The dental chair has a built-in pure water system that can also switch tap water usage.

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  • Effectiveness and safety of low-concentrated ozonized ...

    2019-8-1 · Although it is essential to use water during dental treatment (for water cooling during preparation of teeth using air turbine hand-piece, for washing and rinsing the mouth), the water coming through DUWL is contaminated with bacteria and causes environmental contamination in dental …

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  • Contamination of dental unit waterlines: assessment

    2016-12-16 · To assess the efficacy of three continuous water disinfection systems for dental units under real conditions of dental care. A prospective study carried out from 45 days to 20 months on the water ...

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  • Dental Drill - an overview | ScienceDirect Topics

    2013-9-30 · 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 still widely used.

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  • Power generation by high head water in a building

    2015-9-10 · Once the tap is closed, the entire assembly is filled with water. When the tap is opened for the next time, the water present in the turbine assembly resists the maximum rotation of the turbine. Hence, the turbine casing must have another outlet that is connected to the main pipeline called side pipeline as shown in Fig. 14.

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  • Application : Flo nsin ankles ate eaters

    2020-7-17 · • Water Submetering System ... When user opens a tap, water will start to flow, ... The reed switch is situated above the turbine such that the switch closes when a magnet on the wheel passes by. The number of close open cycles of the switch in a given timeframe can be related to the flow rate of water. A microprocessor in the tankless water

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  • Trends in sensor development toward next

    2021-7-1 · Preprocessed water samples calibrated to pH 7.0 (tap water, lake water, and industrial wastewater) were successfully analyzed. In addition, the test paper loaded with B–MoS 2 QDs was applicable to the field monitoring of environmental Hg 2+ because the blue fluorescence was quenched after reacting for 5 min with a sample containing Hg 2 ...

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  • Composites Flashcards | Quizlet

    List three advantages of using composite doublers to repair metal skin components. Slow or stop fatigue or cracks. Structurally enhances areas with small negatives areas. Replace lost structural area due to corrosion grind outs. What is the role of the matrix components in the composite material. The matrix support fibers and bonds them together.

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  • Advanced And Refurbished, Oral-Safe dental turbine

    LK-A31 Movable Turbine Mobile Dental Unit Dental Delivery Cart System Unit Standard accessories: 4 hole 2 hole Hand-piece tube and connector 2 sets 3-way air/water syringe Foot pedal Saliva ejector Bottle Water and tap water supply available Non-retracting water system for hand-piece Oil and water collector for hand-piece exhaust Moveable with wheels; Lift and down We also have other ...

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  • RootCanalMorphologyofMandibularFirstPermanentMolars ...

    2019-7-31 · would allow for three-dimensional obturation of the root canal system [1]. One of the main reasons for the failure of ... under tap water immediately after extraction and stored in 10% formalin (Qualigens Fine Chemicals, Mumbai, India). ... It provides a three-dimensional view of the root canal system. Additionally, it is not necessary to gain an

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  • National Guidelines for the Control of Legionellosis in ...

    2017-8-11 · output water used during dental treatment.109 Using tap water, distilled water or sterile water in a self-contained bottle reservoir system will not eliminate bacterial contamination in output water if waterline biofilms are not effectively controlled. While flushing …

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  • Electro-chemically activated water in dental unit water ...

    The water taken from the three way syringes was serially diluted in sterile tap water. Aliquots (0.1 ml) were spread-plated onto R2A agarplates, 37 and plates were incubated at 28°C for 96 hours ...

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  • GUDXOLFWXUELQH - ResearchGate

    water . transportation pipelines. The turbine . was. ... The key component for any hydro power system is the turbine, which is responsible for tapping the ... a three-dimensional (3-D) model of ...

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  • Dental Chair Package, ZC-S400 | JOINCHAMP

    2021-7-10 · S400 2020 type dental chair package is designed with simple and elegant style. Its streamlined shape highlights the three-dimensional beauty. Classic and modern color matching meets your individual needs.

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  • Dental Equipment May Spread Microorganisms

    and 12 SS Whitet dental units regularly used at three U. S. Naval dental facilities and one U. S. Public Health Service den-tal facility were tested for the presence of microorganisms. Each of these dental units contained a 500 ml capacity heated reservoir that supplied warm water to the syringe, the air turbine handpiece, and a drinking cup.

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  • Vertical Turbine Pumps - Goulds Pumps

    2013-9-18 · Goulds Vertical Turbine Pumps 3 Goulds Vertical Turbine Pumpsev v Pump Bowl Assembly The bowl assembly is the heart of the vertical turbine pump. The impeller and diffuser type casing are designed to deliver the head and capacity that your system requires in the most efficient way possible. The fact that the vertical

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  • Woodpecker Dental Products at Best Price Online ...

    Buy Woodpecker Dental Products. Woodpecker, the biggest ultrasonic scaler manufacturer, owns a maximal production and consumption of ultrasonic scaler in the world.The export volume of LED curing light is also in the leading position. In the past 26 years, Woodpecker has been focused on researching, developing, selling dental equipment.

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  • Dimensional change over time of extended-storage

    2010-11-1 · As a result, dimensional change across time (dimensional stability) was measured using the protocol for dental elastomeric impression materials, as described in American National Standard Institute/American Dental Association Specification No. 19,16,17 in which the length of the middle horizontal line of the stainless steel die is compared with ...

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  • Accuracy of a three-dimensional dentition model

    2015-9-16 · The impressions were then rinsed under tap water for 2 minutes. A dental stone mixture was poured into the impressions to make the dental casts. At 60 minutes after the start of dental stone mixing, the dental casts were removed from the impressions. ... A three-dimensional imaging system for archiving dental study casts: a preliminary report ...

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  • RootCanalMorphologyofMandibularFirstPermanentMolars ...

    2019-7-31 · would allow for three-dimensional obturation of the root canal system [1]. One of the main reasons for the failure of ... under tap water immediately after extraction and stored in 10% formalin (Qualigens Fine Chemicals, Mumbai, India). ... It provides a three-dimensional view of the root canal system. Additionally, it is not necessary to gain an

    Get Price
  • 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 RESTORATIVE & PROSTHETICS

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  • Electro-chemically activated water in dental unit water ...

    The water taken from the three way syringes was serially diluted in sterile tap water. Aliquots (0.1 ml) were spread-plated onto R2A agarplates, 37 and plates were incubated at 28°C for 96 hours ...

    Get Price
  • Vertical Turbine Pumps - Goulds Pumps

    2013-9-18 · Goulds Vertical Turbine Pumps 3 Goulds Vertical Turbine Pumpsev v Pump Bowl Assembly The bowl assembly is the heart of the vertical turbine pump. The impeller and diffuser type casing are designed to deliver the head and capacity that your system requires in the most efficient way possible. The fact that the vertical

    Get Price
  • Project Looks to Tap Gulf Stream’s Energy | Coastal

    2017-5-3 · Although there are design features of a water turbine that are different than wind turbines, the principals are the same. What is different, and significantly, is how the turbines would be deployed. A wind turbine is stationary. The blades move to the wind, but the platform on which it rests does not move. The ocean is a three-dimensional ...

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  • Dental Equipment May Spread Microorganisms

    and 12 SS Whitet dental units regularly used at three U. S. Naval dental facilities and one U. S. Public Health Service den-tal facility were tested for the presence of microorganisms. Each of these dental units contained a 500 ml capacity heated reservoir that supplied warm water to the syringe, the air turbine handpiece, and a drinking cup.

    Get Price
  • Woodpecker Dental Products at Best Price Online ...

    Buy Woodpecker Dental Products. Woodpecker, the biggest ultrasonic scaler manufacturer, owns a maximal production and consumption of ultrasonic scaler in the world.The export volume of LED curing light is also in the leading position. In the past 26 years, Woodpecker has been focused on researching, developing, selling dental equipment.

    Get Price
  • Dimensional change over time of extended-storage

    2010-11-1 · As a result, dimensional change across time (dimensional stability) was measured using the protocol for dental elastomeric impression materials, as described in American National Standard Institute/American Dental Association Specification No. 19,16,17 in which the length of the middle horizontal line of the stainless steel die is compared with ...

    Get Price
  • RootCanalMorphologyofMandibularFirstPermanentMolars ...

    2019-7-31 · would allow for three-dimensional obturation of the root canal system [1]. One of the main reasons for the failure of ... under tap water immediately after extraction and stored in 10% formalin (Qualigens Fine Chemicals, Mumbai, India). ... It provides a three-dimensional view of the root canal system. Additionally, it is not necessary to gain an

    Get Price
  • TEMPERATURE AND MOISTURE EFFECTS ON COMPOSITE

    2019-11-26 · study were all appropriate for wind turbine blades in terms of low cost and low viscosity for easy processing by resin transfer molding (RTM). Specimens were conditioned in one of three ways: room temperature dry, 50°C dry in an oven and 50°C in distilled water. Water absorption was determined at 50°C both for composites and neat resins as a

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  • US5121329A - Apparatus and method for creating

    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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  • Woodpecker Dental Products at Best Price Online ...

    Buy Woodpecker Dental Products. Woodpecker, the biggest ultrasonic scaler manufacturer, owns a maximal production and consumption of ultrasonic scaler in the world.The export volume of LED curing light is also in the leading position. In the past 26 years, Woodpecker has been focused on researching, developing, selling dental equipment.

    Get Price
  • Experimental Study on Inlet Air Cooling by Water Spray

    2014-12-18 · Figure 1 PPC8Schematic diagram of the wind tunnel with PDPA system Water System During the experiment, tap water is pumped from the water tank to the spray nozzles using the high pressure water pump. The flow rate delivered to the nozzle is controlled by a bypass valve. Nonevaporated water that accumulates on the tunnel floor is

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  • Dimensional change over time of extended-storage

    2010-11-1 · As a result, dimensional change across time (dimensional stability) was measured using the protocol for dental elastomeric impression materials, as described in American National Standard Institute/American Dental Association Specification No. 19,16,17 in which the length of the middle horizontal line of the stainless steel die is compared with ...

    Get Price
  • Wind turbine blade health monitoring with piezoceramic ...

    2020-4-8 · communication system from sensor nodes to PC for analysis. The distributed sensor network was formed by embedding water-proof coated piezo-ceramic patches in predetermined locations in composite wind turbine blades during the fabrication process. As shown in Figure 1a, the sensor locations 1, 2, and 5 were chosen

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  • China Ocean Engineering

    2021-7-8 · China Ocean Engineering, 2021, 35 (2): 186-200. doi: 10.1007/s13344-021-0017-0. Compared with bottom-fixed wind turbines, the supporting platform of a floating offshore wind turbine has a larger range of motion, so the gyroscopic effects of the system will be more obvious.

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  • PIV Measurements to Study the Effect of the Reynolds ...

    2020-8-21 · Turbulent flow inside a cylindrical baffled stirred vessel is studied experimentally for different Reynolds numbers. A set of speed was selected ranging from 100 rpm to 350 rpm. These speeds gave high turbulence but without significant surface vortex formation. Vector field’s maps and contours of time averaged velocities, for both radial and axial components in the impeller stream of a ...

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