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  • The release of silver nanoparticles from commercial ...

    2017-1-15 · The Ag release from the toothbrushes was tested in 20 mL plastic vials which were filled with 15 mL of tap water (water hardness 1.0–1.2 mg/L CaCO 3 (18–21° dH), pH 7–8.5). The volume of water added to the vials was chosen so that it was sufficient to immerse the head of the toothbrush and the toothbrushes were fixed to rotating rods (120 rounds per minute) to simulate brushing movement.

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  • Nanomaterials

    Nanotechnology has gained importance in recent years due to its ability to enhance material properties, including antimicrobial characteristics. Nanotechnology is applicable in various aspects of orthodontics. This scientific work focuses on the concept of nanotechnology and its applications in the field of orthodontics, including, among others, enhancement of antimicrobial characteristics …

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  • Cementation - an overview

    Cemented copper is not a pure metal. Every other metal present in this solution whose standard electrode potential is higher than that or iron, for example, Co 2+, Ni 2+, etc., may also be cemented. On the other hand, if the amount of an element in a solution is small, the difference between the standard potential of the half cell of the ...

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  • Definition of Common Dental Terms - BCBST

    2007-12-18 · 121 PPO Group Administrator Reference Manual DentalBlue Network Definition of Common Dental Terms ABUTMENT - A tooth or root that retains or supports a fixed bridge or a removable prosthesis. ACID ETCH - The etching of a tooth with a mild acid to aid in the retention of composite filling material. ACRYLIC - Plastic materials used in the fabrication of dentures and …

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  • Two-Body Abrasive Wear - an overview

    Leonardo I. Farfan-Cabrera, ... José Pérez-González, in Encyclopedia of Materials: Composites, 2021. Pin-on-Drum Test. The pin-on-drum test, also known as high-stress abrasive wear, was made to produce and evaluate two-body abrasive wear behavior of bulk materials, including, polymers and PMCs. Basically, one end of a pin specimen is translated linearly over the surface of a …

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  • Fiber-reinforced composites - ScienceDirect

    2019-1-1 · 13.1. Introduction. Dental application is constantly evolving as a result of innovative treatment solutions based on the development of new biomaterials, advancement in technologies, and more successful treatment techniques, with fiber-reinforced composites (FRCs) being a superb example of this.

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  • Self-assembly of proteins and peptides and their ...

    2018-1-1 · Self-assembly of biological molecules forms the basic principle in the formation of complex biological structures. Numerous proteins and peptides have been emerging as nanobiomaterials due to their ability to self-assemble into nanoscale structures like nanotubes, nanovesicles, helical ribbons, and three-dimensional fibrous scaffolds.

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  • Additive manufacturing of metallic components – Process ...

    2018-3-1 · These processes consist of the power source, a wire feeding system, and an integrated multi-axis control system for relative movement of the build and the heat source as shown in Fig. 1(c). In all of these DED processes, a 3D part is fabricated in a layer-by-layer manner following the input of a digitized geometry from a computer aided design ...

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  • Mechanical properties of materials - Book chapter - IOPscience

    The term property, in a broader sense, may be defined as the quality which defines the specific characteristics of a metal. The mechanical properties of a material reflect the relationship between its response or deformation to an applied load or force. Important mechanical properties are strength, hardness, ductility and stiffness.

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  • IOPscience

    The homepage of IOPscience, home to more than 130 years of leading scientific research journal content

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  • Theses and Dissertations Available from ProQuest

    Dissertations & Theses from 2019. Krishnan, Ankita (2019) Understanding Autism Spectrum Disorder Through a Cultural Lens: Perspectives, Stigma, and Cultural Values among Asians . Suzuki, Takakuni (2019) Quantifying the Relations among Neurophysiological Responses, Dimensional Psychopathology, and Personality Traits . Dissertations & Theses from 2018. Abdel-Salam, …

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  • (PDF) Wear mechanisms of diamond coated dental burs

    1. Wear mechanisms of diamond burs consist of diamond wear-out, diamond pull-out, clogging by. debris and degradation of the diamond binder material. These have been reported in the. scientific ...

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  • SCIRP Open Access

    Scientific Research Publishing is an academic publisher with more than 200 open access journal in the areas of science, technology and medicine. It also …

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  • Polyol - an overview

    Polyol. Polyols are usually classified into two different groups: (1) glycitols, or acyclic polyols, consisting of linear chains of three to seven carbon atoms (or more when they are branched), and (2) cyclitols, or cyclic polyols, such as inositol and inositol derivatives.

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  • III. An essay on the cohesion of fluids

    Chehrghani M, Abbasiasl T, Sadaghiani A and Koşar A (2021) Copper-Based Superhydrophobic Nanostructures for Heat Transfer in Flow Condensation, ACS Applied Nano Materials, 10.1021/acsanm.0c03181, 4:2, (1719-1732), Online publication date: 26-Feb-2021.

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  • Collaborate & Create Amazing Graphic Design for Free

    Create beautiful designs with your team. Use Canva's drag-and-drop feature and layouts to design, share and print business cards, logos, presentations and more.

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  • Finishing and polishing - SlideShare

    2015-8-27 · Polishing of high-copper amalgams is less important than with conventional amalgams because high copper amalgams are less susceptible to tarnish and marginal breakdown. Some of the fast setting high copper amalgams …

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  • Failures of Dental restorations - SlideShare

    2014-4-27 · Indian Dental Academy: will be one of the most relevant and exciting training center with best faculty and flexible training programs for dental professionals who wish to advance in their dental practice,Offers certified courses in Dental …

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  • What is Age Hardening? - Definition from Corrosionpedia

    2020-7-21 · What Does Age Hardening Mean? In metallurgy, age hardening is a heat treatment technique used to increase the hardness of an alloy by a relatively low-temperature heat treatment that causes precipitation of components or phases of …

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  • A review on biological and biomimetic materials and their ...

    2020-5-25 · In the development of technology, a source of inspiration for mankind is the nature. Naturally, many biological surfaces having unique micro–nanostructures, such as lotus leaves, butterfly wings, rose petals and shark skin, exhibit skills and attribute beyond conventional engineering. These skills and characteristic properties are exploited by several scientists to …

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  • Theses and Dissertations Available from ProQuest

    Dissertations & Theses from 2019. Krishnan, Ankita (2019) Understanding Autism Spectrum Disorder Through a Cultural Lens: Perspectives, Stigma, and Cultural Values among Asians . Suzuki, Takakuni (2019) Quantifying the Relations among Neurophysiological Responses, Dimensional Psychopathology, and Personality Traits . Dissertations & Theses from 2018. Abdel-Salam, …

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  • Online International Journal, Peer Reviewed Scholarly Journals

    The International Journal of Scientific & Engineering Research is a one-stop, open access source for a large number of high quality and peer reviewed journals in all the fields of science, engineering and technology. Scientists and engineers involved in research can make the most of this growing global forum to publish papers covering their original research or extended versions of already ...

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  • III. An essay on the cohesion of fluids

    Chehrghani M, Abbasiasl T, Sadaghiani A and Koşar A (2021) Copper-Based Superhydrophobic Nanostructures for Heat Transfer in Flow Condensation, ACS Applied Nano Materials, 10.1021/acsanm.0c03181, 4:2, (1719-1732), Online publication date: 26-Feb-2021.

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  • (PDF) Extrinsic stains and management: A new insight

    Results Out of 5 scrapings 3 showed presence of ferrous ions of about 2.56%, calcium ions 17.15% and magnesium ions 0.72%, while the remaining 2 samples showed calcium 14.86%, magnesium ions …

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  • Titanium Alloys - Physical Properties

    2002-4-2 · Thermal Conductivity. The thermal conductivity of all titanium alloys is relatively low for a metal, although recent work has indicated that the value for commercially pure titanium is actually 21.6 W m-1.K-1, about 32% higher than the value quoted in Table 1.The titanium alloys generally have even lower thermal conductivities than the commercially pure material.

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  • ASTM International - Standards and Publications

    Standards & Publications. Search ASTM's 13,000+ Standards • 1,500+ Books • 50,000+ Journals and Technical Articles

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  • Free Access to Scientific Journals - Open Access Journals

    Open Access journals are the major source of knowledge for young and aspiring generations who are keen in pursuing a career in sciences. This system provides easy access to networks of scientific journals.Authors that contribute their scholarly works to Open Access journals gain remarkable reputation as the research scholarly explore these works extensively.

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  • Castable ceramics dentistry training - SlideShare

    2014-8-7 · Spark Erosion (SAE) unit (Dental Arts Laboratories, Inc, Illinois). A graphite or copper electrode acts as a tool that invades the piece of base metal and erodes a negative form in the shape of the electrode. The process is accomplished by lightning like sparks generated between the electrode and the restoration.

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  • Dental gold alloy - definition of dental gold alloy by The ...

    Define dental gold alloy. dental gold alloy synonyms, dental gold alloy pronunciation, dental gold alloy translation, English dictionary definition of dental gold alloy. a lower-quality metal mixed with a more valuable one; to debase, impair, or adulterate; fusion, blend, composite: Coins are often alloys.

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  • Biofilm formation mechanisms and targets for developing ...

    2019-5-22 · Dental plaque. Biofilms play an important role in dentistry and there have been many studies on dental biofilms [81,82]. Over 700 species of bacteria and archaea have been reported to exist in dental plaque [83,84]. Dental plaque is actually composed of mixed biofilms . However, the composition of the healthy plaque biofilm is significantly ...

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  • Hong Liang's research works

    Hong Liang's 224 research works with 3,780 citations and 14,568 reads, including: Tribocorrosion Influenced Pitting of a Duplex Stainless Steel

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  • Surface modification and functionalization by electrical ...

    2020-2-24 · Surface modification via hard coating is a process aimed at improving and modifying the surface of materials or workpieces in terms of mechanical, physical and biochemical properties [1, 2].This process is essential for a wide range of advanced manufacturing technologies and the hard coatings have been applied to withstand extremely high temperature, pressure and hostile …

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  • Rotary instruments in operative dentistry

    2015-4-9 · Dental foot engine was incorporated into dental unit in 1914 In early 1950s, the ball bearing handpeice was introduced In 1953, following the work of Nelson, the first fluid turbine type of handpeice was developed Initially it was capable of rotational speed – 50,000 rpm, was operated at one speed only Soon after in 1954- air driven ...

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  • Finishing and polishing - SlideShare

    2015-8-27 · Polishing of high-copper amalgams is less important than with conventional amalgams because high copper amalgams are less susceptible to tarnish and marginal breakdown. Some of the fast setting high copper amalgams can be polished about 8 to 12 minutes after placement because of their rapid development of strength. 94.

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  • ASTM International - Standards and Publications

    Standards & Publications. Search ASTM's 13,000+ Standards • 1,500+ Books • 50,000+ Journals and Technical Articles

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  • A review of biomimetic research for erosion wear ...

    2020-6-8 · This article reviews the related literature, which focuses on biomimetic research for erosion wear reduction. Figure 2 illustrates the selected publications in this review and the cloud of keywords. Studying Fig. 2, it is apparent that the keywords erosion, wear, biomimetic, composite, solid, surface, particle, energy occupy the main position.Hence, they are the principal part of the …

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  • 7 Uses of Cobalt You Mightn't Know

    7 Uses of Cobalt You Mightn’t Know Cobalt is a silver-gray metal with element symbol Co, atomic number 27, a melting point of 1495 ℃, and a boiling point of 2870 ℃. D ue to its good temperature resistance, corrosion resistance, and magnetic properties, cobalt is widely used in production and our life. In this article, we’ll introduce 7 uses of c obalt you mightn’t know.

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    Shop online from Fishpond.co.nz, New Zealand's biggest online store. Millions of products at discount prices - It's shopping made easy.

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  • An Introduction to Chemistry - ThoughtCo

    Mixture Chemistry Involves Solutions, Suspensions, Colloids, and More. How to Separate Salt and Water. An Overview of General Chemistry Topics. Know the Difference Between Physical and Chemical Properties. Understand the Importance of Chemical Reactions.

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  • 40 Common Minerals and Their Uses

    turbine engines, in cemented carbides for cutting tools and wear-resistant applications, chemicals (paint dryers, catalysts, magnetic coatings) and permanent magnets. The United States has cobalt resources in Minnesota, Alaska, California, Idaho, Missouri, Montana and Oregon. Cobalt production comes principally from Congo,

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  • Biomimetics: its practice and theory

    The definition of cause and effect needs clarification: in physical terms, ambient pressure (cause) dictates the temperature of the boiling point of pure water (effect); in biological terms, an effect is a problem to be solved by the organism and the cause is the method of solution.

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  • PDH Courses Online. PDH for Professional Engineers. PDH ...

    PDH for Professional Engineers. PDH Engineering. CED is an approved provider in the states of FL, IN, MD, NC, NJ and NY. Our courses are accepted by all state licensing boards mandating CPC. Our course providers are highly qualified professional …

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  • Pop Lists Archives

    2021-6-4 · Bend and Snap! It’s The 20th Anniversary of ‘Legally Blonde’. New Movie Trailers We’re Excited About. A Look at the 2021 Emmy Awards Nominations. 7 Celebs Making Sustainable Swaps.

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  • ScienceDaily: Your source for the latest research news

    2021-8-24 · Breaking science news and articles on global warming, extrasolar planets, stem cells, bird flu, autism, nanotechnology, dinosaurs, evolution -- the latest discoveries ...

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  • ENVIRONMENT PROTECTION ACT 1993 - SCHEDULE 1

    2021-8-15 · Copper compounds and solutions . Cyanides or cyanide solutions and cyanide complexes . Cytotoxic wastes. Dangerous substances within the meaning of the Dangerous Substances Act 1979 . Distillation residues . Fluoride compounds . Halogens . Heterocyclic organic compounds containing oxygen, nitrogen or sulphur

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  • Subaru EJ207 Engine - australiancar.reviews

    Subaru's EJ207 engine was a 2.0-litre horizontally-opposed and turbocharged four-cylinder engine. For Australia, the EJ207 was first offered in the Subaru GC Impreza WRX STi in 1999 and subsequently powered the Subaru GD Impreza WRX STi.

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  • water - Students

    Encyclopædia Britannica, Inc. Water’s physical properties make it vastly different from most other liquids.Water, for example, has the rare property of being lighter as a solid than as a liquid. If ice (solid water) were heavier than water, frozen water in a lake would sink to the bottom and pile up to the top, killing all the marine life.

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  • Academia.edu

    Academia.edu is a place to share and follow research. Enter the email address you signed up with and we'll email you a reset link.

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  • ENGINEERING - DESIGN AND TECHNOLOGY

    2021-7-11 · ENGINEERING is a major aspect of this website. Welcome to the only Design and Technology AND Engineering website you will need. Hundreds of pages cover most aspects of Design and Technology AND Engineering, whether you are a pupil or a teacher. This includes, the design process, gear systems, electronics, cams, printed circuit boards, PIC ...

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  • Characterizing the performance of dental air-turbine ...

    2008-1-1 · 2008-1-1 · 1.1. Outline. After briefly outlining the general importance of air-turbine handpieces in dentistry (Section 1.2), a historical account of their development puts their present status into context (Section 1.3).However, in order to understand performance in general, it is necessary to recognize the large number of factors involved, and their complex interactions …

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  • Definition of Common Dental Terms - BCBST

    2007-12-18 · 2007-12-18 · 121 PPO Group Administrator Reference Manual DentalBlue Network Definition of Common Dental Terms ABUTMENT - A tooth or root that retains or supports a fixed bridge or a removable prosthesis. ACID ETCH - The etching of a tooth with a mild acid to aid in the retention of composite filling material. ACRYLIC - Plastic materials used in the fabrication of …

    Get Price
  • Fiber-reinforced composites - ScienceDirect

    2019-1-1 · 13.1. Introduction. Dental application is constantly evolving as a result of innovative treatment solutions based on the development of new biomaterials, advancement in technologies, and more successful treatment techniques, with fiber-reinforced composites (FRCs) being a superb example of this.

    Get Price
  • Nanomaterials

    Nanotechnology has gained importance in recent years due to its ability to enhance material properties, including antimicrobial characteristics. Nanotechnology is applicable in various aspects of orthodontics. This scientific work focuses on the …

    Get Price
  • Pollution and human mobility in the southern Levant during ...

    2020-12-1 · 2020-12-1 · The pure enamel samples were first washed with ultrapure water in an ultrasonic bath for 5 min, then immersed in H 2 O 2 for a few hours and heated to 50°. The samples were then immersed in ethanol for 10 min, washed three time in distilled water, washed with distilled HCl (5%), washed again with water, and then with distilled HNO 3 (0.1% ...

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  • Two-Body Abrasive Wear - an overview

    Leonardo I. Farfan-Cabrera, ... José Pérez-González, in Encyclopedia of Materials: Composites, 2021. Pin-on-Drum Test. The pin-on-drum test, also known as high-stress abrasive wear, was made to produce and evaluate two-body abrasive wear behavior of bulk materials, including, polymers and PMCs. Basically, one end of a pin specimen is translated linearly over the surface of a …

    Get Price
  • IOPscience

    The homepage of IOPscience, home to more than 130 years of leading scientific research journal content

    Get Price
  • We publish scientific and engineering peer-reviewed ...

    OpenAthens is authentication and electronic access management system that provides access to the library's licensed online resources via single sign-on (SSO) technology both on and off-campus.. With OpenAthens, our service can expand access to more than 4 million users worldwide in the academic, government, healthcare, pharmaceutical, and corporate markets.

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  • Cementation - an overview

    Cemented copper is not a pure metal. Every other metal present in this solution whose standard electrode potential is higher than that or iron, for example, Co 2+, Ni 2+, etc., may also be cemented. On the other hand, if the amount of an element in a solution is small, the difference between the standard potential of the half cell of the ...

    Get Price
  • Sci-Hub: removing barriers in the way of science

    The Sci-Hub project supports Open Access movement in science. Research should be published in open access, i.e. be free to read. The Open Access is a new and advanced form of scientific communication, which is going to replace outdated subscription models.

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