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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 portable dental turbine …

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  • IIIIIIIIIIIIIIilIIIIIIIIIIIIIIIIIMIIIIII]IIIIII

    2020-8-6 · Component Blade Cooling Geometry Used To Define Three-Dimensional Water Flow Model Three-Dimensional Flow Model Design Details Dye Injection Port and Pressure Tap Locations For Three-Dimensional Model Assembled Two-Dimensional Tip-Turn Water Flow Visualization Model Assembled Two-Dimensional Root-Turn Water Flow Visualization Model

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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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  • Mixing characteristics in a vessel equipped with ...

    Tap water was used as the continuous phase and starch solution was the dispersed phase. CFD investigations on the flow field, power consumption, as well as mixing time, have been performed. Three-dimensional time-dependent flow and mixing prediction have been carried out using Slide Mesh (SM) method embodied CFD package FLUENT 6.3.

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

    2020-4-8 · In this paper, a piezoceramic-based wireless sensor network (WSN) system was developed for automated real-time health monitoring of wind turbine blades. A distributed piezoceramic transducer system was formed by embedding water-proof coated piezoce-ramic patches in predetermined locations in the composite blades. Desired guided waves

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  • Surgical lasers and hard dental tissue | British Dental ...

    2007-4-28 · Three-dimensional topographic scanning electron microscope and Raman spectroscopic analyses of the irradiation effect on teeth by Nd:YAG, Er:YAG, and CO2 lasers.

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  • A Machining Science Approach to Dental Cutting of Glass ...

    The dental cutting was conducted on a two-dimensional computer-assisted apparatus to simulate clinical cutting operations using a high-speed electric handpiece (Ti95L, NSK, Japan), which can be run at the maximum rotational speed of 200 krpm. Figure 1(a) shows the image of cutting a ceramic using a dental handpiece and a bur.

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  • Turbulent Macroscale in the Impeller Stream of a

    2000-1-1 · The cylindrical vessel is placed in a cubic tank filled with tap water to eliminate the laser sheet refraction. 4 equally spaced baffles are also made of glass (width B = 4.5 cm -T/10). The turbine is of standard design with a diameter of D = T/3 = 15 cm and was placed this diameter up from the tank bottom ,.the blade width was 1]/4 and the height D/5.

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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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  • 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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  • 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 ...

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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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  • Scavenging fluoride from the aqueous system with

    2021-1-4 · To provide safe water to the suffering community, a porous, and three-dimensional architecture (ZrLMA) is presented for the removal of fluoride from contaminated water. The structural moiety of ZrLMA contains zirconium dimethacrylate (ZrDMA) and lauryl methacrylate (LMA). Various experimental factors, i.e., the effect of adsorbent’s dose, feed concentration of fluoride, pH, pHpzc, and ...

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  • Surgical lasers and hard dental tissue | British Dental ...

    2007-4-28 · Pulsed erbium laser ablation of hard dental tissue: the effects of atomized water spray versus water surface film. Proc SPIE 2002; 4610 : 74–84. Article Google Scholar

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  • Small Wind Turbines: Specification, Design, and

    2015-11-9 · In this work, we consider various aspects of small wind turbines’ (SWTs) design and operation. First, an extensive literature study is presented by considering SWTs specification, market statistics, the smart grid, and the prosumer concepts as well as the most important parameters affecting the efficiency of wind turbines. Then, both the literature review and series of coupled numerical ...

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  • The Biomimicry Institute - Examples of nature-inspired ...

    2021-7-27 · ProX SLS 6100. Production-grade nylon 3D printer delivering best-in-class part quality, fast build times and automated production tools. ProX 800. SLA quality at high throughput to address the broadest range of applications. ProJet MJP 2500/2500 Plus. MultiJet Printing Quality, Speed and Ease of Use Made Accessible.

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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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  • 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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  • 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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  • Root canal morphology of maxillary second premolars

    Access cavities were prepared using No. 2 round bur and the pulp tissue was dissolved by immersing the teeth in 2.5% sodium hypochlorite (Prime Dental Products Pvt. Ltd., Mumbai, India) for 12 hours, followed by 20 minutes immersion in an ultrasonic bath. The teeth were then rinsed under running tap water for 2 hours and dried overnight.

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  • Water Power - Activity - TeachEngineering

    2021-1-4 · To provide safe water to the suffering community, a porous, and three-dimensional architecture (ZrLMA) is presented for the removal of fluoride from contaminated water. The structural moiety of ZrLMA contains zirconium dimethacrylate (ZrDMA) and lauryl methacrylate (LMA). Various experimental factors, i.e., the effect of adsorbent’s dose, feed concentration of fluoride, pH, pHpzc, and ...

    Get Price
  • Scavenging fluoride from the aqueous system with

    the intraoral cutting using dental high-speed handpieces and coarse diamond burs [5,6]. In restorative dentistry, intraoral cutting is a routine practice for interceptive occlusal contact adjustments using high-speed hand-pieces and dental abrasive burs [7]. Air-turbine handpieces have been widely used in clinical dentistry for more than 40yr ...

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  • A Machining Science Approach to Dental Cutting of Glass ...

    2021-7-15 · Cavex ImpreSafe. Hygiene and sterilization are essential in dental clinics and laboratories. That is why Cavex developed a fast, safe, and highly effective dental impression disinfectant: Cavex ImpreSafe. In just three minutes, this revolutionary disinfectant liquid kills 99.99% of all bacteria, fungi, and viruses, including the coronavirus.

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  • Cavex ImpreSafe - Cavex

    2019-8-15 · the canal system, microorganisms that survive in the apical tissues outside the canal system, foreign body reactions in the apical tissues, and the presence of true periapical cysts (1, 2). Treatment for intracanal microorganisms includes both surgical and nonsurgical options, but the other three etiologies only can be treated surgically.

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  • Colleagues for Excellence

    2021-7-27 · ProX SLS 6100. Production-grade nylon 3D printer delivering best-in-class part quality, fast build times and automated production tools. ProX 800. SLA quality at high throughput to address the broadest range of applications. ProJet MJP 2500/2500 Plus. MultiJet Printing Quality, Speed and Ease of Use Made Accessible.

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  • Hydroelectric generators tap the backwaters for

    2021-7-9 · In the last part of our reprocessing series we want to inform you about the manual reprocessing procedure of your KaVo instruments. 1. External cleaning. Brush the medical device under running tap water. Accessories required: Tap water 30° C ± …

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  • Reprocessing of KaVo Instruments – Part 3 | KaVo

    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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  • Vertical Turbine Pumps - Goulds Pumps

    2014-12-18 · Water System During the experiment, tap water is pumped from the water tank ... Three humidity transmitters (EE-21-FT6-B51, Elektronik GmbH) with the range ... this study was an Aerometric two-dimensional laser system from TSI, Inc. It consists of 600mW argon-ion laser (532, 561 nm ...

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  • Water Power - Activity - TeachEngineering

    Access cavities were prepared using No. 2 round bur and the pulp tissue was dissolved by immersing the teeth in 2.5% sodium hypochlorite (Prime Dental Products Pvt. Ltd., Mumbai, India) for 12 hours, followed by 20 minutes immersion in an ultrasonic bath. The teeth were then rinsed under running tap water for 2 hours and dried overnight.

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

    2021-7-3 · In this blog post we want to tell you the steps of the mechanical reprocessing procedure. 1. Pre-Cleaning. Brush off any residual cement, composite and blood under running tap water. 2. External and internal cleaning disinfection. KaVo recommends washer disinfectors in accordance with EN ISO 15883-1 that are operated with alkaline cleaning ...

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  • Root canal morphology of maxillary second premolars

    2018-7-5 · 2.4 Power Coefficient of Savonius Turbine 20 2.5 Torque Coefficient 22 2.6 Tip Speed Ratio (λ) 23 2.7 Savonius Turbine Parameters 23 2.7.1 Limitation of Conventional Savonius Turbine 26 2.7.2 Effect of Aspect Ratio 28 2.7.3 Overlap Ratio 30 2.7.4 Effect of Blade Profile 31 2.7.5 Twisted Rotor 33 2.7.6 Double and Three Step Rotor 38

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  • Reprocessing of KaVo Instruments – Part 2 | KaVo

    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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  • A MODIFIED SAVONIUS TURBINE WITH MOVEABLE

    2019-10-3 · Three-dimensional (3D) natural extracellular matrix (ECM) feature has inspired people to construct physiological-mimicking artificial environments for cellular culture [].As compared to the two-dimensional system, cells cultured in 3D environments are able to growth and contact in three dimensions thus reveal striking differences in physiological processes such as adhesion, proliferation ...

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  • Enhanced osteogenesis of quasi-three-dimensional ...

    2019-10-3 · Three-dimensional (3D) natural extracellular matrix (ECM) feature has inspired people to construct physiological-mimicking artificial environments for cellular culture [].As compared to the two-dimensional system, cells cultured in 3D environments are able to growth and contact in three dimensions thus reveal striking differences in physiological processes such as adhesion, proliferation ...

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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 can result in a …

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  • Cavitron Scaling Innovative solutions for improved

    2021-7-19 · 5. Lea SC, Felver B, Landini G, et al. Three-dimensional analyses of ultrasonic scaler oscillations. J Clin Periodontol. 2009;36(1):44-50. 6. Compared to other Cavitron models. DualSelect™ Dispensing System Medicaments or Closed Water Source • DualSelect™ Dispensing System offers the choice of scaling and polishing with either water or ...

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  • US4575330A - Apparatus for production of three

    A system for generating three-dimensional objects by creating a cross-sectional pattern of the object to be formed at a selected surface of a fluid medium capable of altering its physical state in response to appropriate synergistic stimulation by impinging radiation, particle bombardment or chemical reaction, successive adjacent laminae, representing corresponding successive adjacent cross ...

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  • Effect of microplastics in water and aquatic systems

    2020-6-9 · Issac MN, Kandasubramanian B (2020) Review of manufacturing three-dimensional-printed membranes for water treatment. Environ Sci Pollut Res. 10.1007/s11356-020-09452-2 ; Jayalakshmi CG, Inamdar A, Anand A, Kandasubramanian B (2018) Polymer matrix composites as broadband radar absorbing structures for stealth aircrafts.

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  • Hydraulic turbine contra-angle handpiece Ys

    2015-3-19 · driving a dental engine by the use of water as a propellent. Each of the engines was designed for the straight dental hand­ piece, and each required that a gear-type contra-angle handpiece be attached. The handpiece is driven by a small turbine in the head of the contra-angle. The over-all size and shape of the new

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

    2017-5-3 · The system would use the pressure of ocean waters to compress air in storage. As the air is released it would turn a turbine, creating usable energy. Needing a minimum depth of more than 1,300 feet to operate, the requirements of an OCEAS system …

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  • Boundary Layer (Tesla) Turbine Page

    2014-8-14 · In measuring volume, 1 cubic centimeter (cm3) of water = 1 milliliter (ml) of water = 1 gram (g) of water. Thus the interior of a container measuring 20 x 20 x 2.5 cm has a volume of 1000 cm3 = 1000 ml of water = 1000 g of water. The Wax Model The wax model may be a fully three-dimensional object with undercuts. Ideally, this model is hollow ...

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  • TipSheet 8: Basic Lost Wax Kilncasting - Bullseye Glass

    2018-4-3 · MSCs have the ability to self-renew, differentiate into somatic cells and release growth factors to influence the recipient cells, which play an important role in regenera-tive medicine [13, 14]. Meanwhile, the decellularized ECM is the noncellular part with a network of macro-molecules and is arranged in a unique three-dimensional

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