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  • Diamond machining of silicon: A review of advances in ...

    2015-1-1 · The focus of this review is the diamond-machining process, which falls into the category of material removal processes. As shown in Fig. 2, the material removal processes can be further classified into mechanical, physical, or chemical processes depending on how machining is performed.A review that captures the finest details of …

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  • The Removal Mechanism of Monocrystalline Si in the

    2021-4-26 · In order to clarify the mechanism of polishing of double diamond abrasive particles, in this study, the mechanism of material removal and the evolution of single crystal Si workpiece surface under the three-body polishing condition were investigated. The effect of the depth of polishing and the transverse/longitudinal spacing of the …

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  • Mechanical properties of graphene and graphene-based ...

    2017-10-1 · The atomic structure of graphene can be observed directly by transmission electron microscopy (TEM) (Fig. 2b) which is particularly useful for the evaluation of the different structures such as vacancy defects, bond rotations, dislocation edges, grain boundaries, layer stacking and other features .Scanning tunnelling microscopy (STM) …

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  • Analysis of diamond nanomachining of contact lens

    2019-11-9 · Contact lens polymer-based materials are extensively used in optical industry due to excellent corrosion resistance, possibility of mass production, and the ability to be processed without external lubrication. The demand for high accuracy and least surface roughness in contact lens industry drives the development of ultra-high precision machining technology of single-point diamond …

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  • Reducing Detrimental Defects for High‐Performance

    The market share of all thin-film technologies including CdTe (2.3 %), copper indium gallium diselenide or CIGS (1.9 %), and amorphous-Si (0.3 %) amounts to only around 4.5 % of total global solar module production. 6 When comparing these different commercialized PV technologies there is a general trend, that is, the solar cell …

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  • Biological and synthetic template-directed syntheses of ...

    2021-2-1 · The latter encompasses the arrangement, distribution, dimensions and orientations of structural building units. Biological materials utilize gradients to enhance a series of properties and functionalities, including load-bearing and support capabilities, contact damage resistance for predation and protection, interfacial strengthening and ...

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  • Review on graphene and its derivatives: Synthesis

    2019-5-1 · Graphene has emerged as one of the most interesting carbon nanomaterials since its successful isolation from graphite in 2004 .It is an atom thick layer with a honeycomb framework comprising two equivalent sub-lattices carbon atoms linked together via carbon-carbon sigma (σ) bond of 0.142 nm long as shown in Fig. 1(a). As a 2D planar single sheet of sp 2 hybridized carbon, graphene …

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  • Chemical mechanical planarization for microelectronics ...

    2004-10-15 · Over the last 20 years, circuit density has increased by a factor of approximately 10 4 (), while cost has constantly decreased [e.g., the historical 27% per year decline in price per bit for dynamic random access memories (DRAMs)] .The trend is expected to continue in the future even as 65 nm processes are set for production in …

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  • Silicon single crystals - ScienceDirect

    2019-1-1 · 2.1. Introduction. Single crystal silicon is unique. It is both the foundation of the global microelectronics-based economy and a model material. Although the word “technology” today is associated with the internet, wireless devices, social media, software coding, and “apps,” all these are enabled by dislocation-free single crystal …

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  • Advanced and in situ transmission electron microscopy

    2021-1-1 · 1. Introduction. Diamond is known to be a unique material with outstanding physical properties and has found numerous applications in technology. High pressure high temperature (HPHT) synthesis, plasma-assisted chemical vapor deposition (CDV), the hot-filament technique, or detonation synthesis are prominent methods to fabricate synthetic diamond as material …

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  • 1,2-Ethanediol

    The rate constant for the vapor-phase reaction of ethylene glycol with photochemically-produced hydroxyl radicals has been reported as 7.7X10-12 cu cm/molecule-sec at 25 °C (1). This corresponds to an …

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  • Review on graphene and its derivatives: Synthesis

    2019-5-1 · Graphene has emerged as one of the most interesting carbon nanomaterials since its successful isolation from graphite in 2004 .It is an atom thick layer with a honeycomb framework comprising two equivalent sub-lattices carbon atoms linked together via carbon-carbon sigma (σ) bond of 0.142 nm long as shown in Fig. 1(a). As a …

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  • Lithium carbonate

    Lithium Carbonate is the carbonate salt of lithium, a soft alkali metal, with antimanic and hematopoietic activities. Lithium interferes with transmembrane sodium exchange in nerve cells by affecting sodium, …

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  • Synthesis of emerging 2D layered magnetic materials ...

    van der Waals atomically thin magnetic materials have been recently discovered. They have attracted enormous attention as they present unique magnetic properties, holding potential to tailor spin-based device properties and enable next generation data storage and communication devices. To fully understand th Recent Review Articles Recent Open Access Articles Chemistry of 2D materials…

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  • Reducing Detrimental Defects for High‐Performance

    The market share of all thin-film technologies including CdTe (2.3 %), copper indium gallium diselenide or CIGS (1.9 %), and amorphous-Si (0.3 %) amounts to only around 4.5 % of total global solar module production. 6 When comparing these different commercialized PV technologies there is a general trend, that is, the solar cell …

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  • Sensors

    One-dimensional (1D) metal-oxide nanostructures are ideal systems for exploring a large number of novel phenomena at the nanoscale and investigating size and dimensionality dependence of nanostructure properties for potential applications. The construction …

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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 …

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  • Carbon as catalyst and support for electrochemical

    2014-8-1 · The pore structure of mesoporous carbon is controlled via the “hard-templating” method where inorganic porous materials such as alumina membranes , zeolites , xerogels , , opals , micelles and ordered mesoporous silica , , , , , , , are used as templates. However, the structure and morphology of the produced mesoporous carbon materials …

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  • The Removal Mechanism of Monocrystalline Si in the

    2021-4-26 · In order to clarify the mechanism of polishing of double diamond abrasive particles, in this study, the mechanism of material removal and the evolution of single crystal Si workpiece surface under the three-body polishing condition were investigated. The effect of the depth of polishing and the transverse/longitudinal spacing of the …

    Get Price
  • Mechanical properties of graphene and graphene-based ...

    2017-10-1 · 1. Introduction. Seven years after the award of the Nobel Prize in Physics and thirteen years since the first report of freestanding, monolayer graphene, the worldwide interest in this “wonder material” is still increasing, as can be realized from the number of publications per year and the massive investment in research. The reason for this …

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  • tipped pcd inserts in 80 degree diamond shape C for ...

    2020-5-8 · tipped pcd inserts in 80 degree diamond shape C for hard turning non-ferrous metals of aluminum, the pcd insert cutting edges are made with polycrystalline diamond, indexable inserts with pcd working tips are precision cutting tools, which are used in cnc super fine finish machining, turning and milling automobile engine block, cylinder head, …

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  • tipped pcbn inserts in 80 degree diamond shape C for

    2021-7-20 · tipped pcbn inserts in 80 degree diamond shape C for hard turning ferrous metals of cast iron and hardened steel, the cbn insert cutting edges are made with polycrystalline cubic boron nitride, indexable inserts with cbn tips are precision cutting tools, which are used in cnc fine finish machining and turning roller, bearing, pumps, …

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  • What is the Lapping and Define the Process?

    For example, extremely hard materials such as sapphire, carbides, and some ceramics require diamond or boron carbide. The medium hard materials, which includes harder metals and some aluminas, can be lapped with silicon carbide. Aluminum oxide is widely used in the glass and silicon industry …

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  • Analysis of diamond nanomachining of contact lens

    2019-11-9 · Contact lens polymer-based materials are extensively used in optical industry due to excellent corrosion resistance, possibility of mass production, and the ability to be processed without external lubrication. The demand for high accuracy and least surface roughness in contact lens industry drives the development of ultra-high precision machining technology of single-point diamond …

    Get Price
  • Isopropyl Alcohol (2-Propanol)

    2020-1-23 · Isopropyl Alcohol (2-Propanol) Safety Data Sheet according to Federal Register Vol. 77, No. 58 Monday, March 26, 2012 Rules and Regulations

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  • Answers - The Most Trusted Place for Answering Life's ...

    The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers. Get more answers Register for an Answers account.

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  • Welcome to Mod The Sims

    Register now for these and more features! Mod The Sims is one of the largest Sims 2, Sims 3 and Sims 4 custom content websites, providing quality free downloads, tutorials, help and modding discussions. 4,039 users active in 24 hours 232,644 files available 1020 tutorials online 425,636 threads 4,701,067 posts. Scroll to News.

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  • Global Energy Services & Equipment

    Schlumberger is a technology company that partners with customers to access energy. Our people, representing over 160 nationalities, are providing leading digital solutions and deploying innovative technologies to enable performance and sustainability for the global energy industry.

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  • XIII. On the atomic weight of graphite

    Han M, Muhammad Y, Wei Y, Zhu Z, Huang J and Li J (2021) A review on the development and application of graphene based materials for the fabrication of modified asphalt and cement, Construction and Building Materials, 10.1016/j.conbuildmat.2021.122885, 285, (122885), Online publication date: 1-May-2021.

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  • Occupational Exposure to Asbestos

    1994-8-10 · OSHA has no information to indicate what proportion of building materials fall into the category of containing more than 0.1% and less than 1.0% asbestos. EPA has listed building materials by their asbestos content and among those included on the list, only surfacing ACM ranged down to 1% (and up to 95%) (EPA 'Purple Book,' Ex. 1-282).

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  • Enzyme entrapment, biocatalyst immobilization without ...

    2021-6-24 · Enzyme entrapment, biocatalyst immobilization without covalent attachment H. T. Imam, P. C. Marr and A. C. Marr, Green Chem., 2021, 23, 4980 DOI: 10.1039/D1GC01852C This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without …

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  • Synthesis of emerging 2D layered magnetic materials ...

    van der Waals atomically thin magnetic materials have been recently discovered. They have attracted enormous attention as they present unique magnetic properties, holding potential to tailor spin-based device properties and enable next generation data storage and communication devices. To fully understand th Recent Review Articles Recent Open Access Articles Chemistry of 2D materials…

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  • Functionalization of group-14 two-dimensional materials

    2018-5-18 · For tin two stable allotropes—α-Sn with the diamond structure (grey tin) and β-Sn with the tetragonal structure (white tin) are known to exist under ambient conditions. These crystal structures feature different values of coordination number, a powerful and intuitive concept in chemistry . For example, each Pb atom in the fcc crystal is ...

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  • Limestone: Rock Uses, Formation, Composition, Pictures

    Limestone is a sedimentary rock composed primarily of calcite, a calcium carbonate mineral with a chemical composition of CaCO 3. It usually forms in clear, calm, warm, shallow marine waters. Limestone is usually …

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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 …

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  • Where Are They Now? Archives

    46 TV Child Stars All Grown Up: Where Are They Now? Regular People React to Movies Out Now. ‘Shang-Chi’ Premieres in Hollywood to Stellar First Reviews. New Movie Releases This Weekend: August ...

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  • 4430A Smart IP - Genelec.com

    As part of the Smart IP family, the 4430A integrates tightly with our Smart IP Manager software – which allows installers to configure an almost unlimited number of rooms, zones, loudspeakers and audio channels, …

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  • Lithium carbonate

    Lithium Carbonate is the carbonate salt of lithium, a soft alkali metal, with antimanic and hematopoietic activities. Lithium interferes with transmembrane sodium exchange in nerve cells by affecting sodium, …

    Get Price
  • Enzyme entrapment, biocatalyst immobilization without ...

    2021-6-24 · Enzyme entrapment, biocatalyst immobilization without covalent attachment H. T. Imam, P. C. Marr and A. C. Marr, Green Chem., 2021, 23, 4980 DOI: 10.1039/D1GC01852C This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without …

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  • Characterization and engineering of a plastic-degrading ...

    2018-5-8 · PETase catalyzes the depolymerization of PET to bis (2-hydroxyethyl)-TPA (BHET), MHET, and TPA. MHETase converts MHET to TPA and EG. Beyond PET, humankind uses a wide range of polyesters, …

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  • Toluene - labchem.com

    2018-2-27 · Toluene Safety Data Sheet according to Federal Register Vol. 77, No. 58 Monday, March 26, 2012 Rules and Regulations Date of issue: 03/21/2014 Revision date: 02/27/2018 Supersedes: 03/21/2014 Version: 1.1

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  • A Tiny History of High Fidelity, Part 1

    2005-10-31 · Before that, rock-n-roll was a niche market for teen-agers, almost entirely restricted to disposable lo-fi mono 45's pressed on recycled vinyl.) At the same time in the early Fifties, the broadcast industry …

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  • Otis Elevator Company - When you rise, we shine.

    We are a world class leader in elevators escalators & moving walkways. New elevators, modernization tools, & world class service packages for your business.

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  • HEPN-MNT Toxin-Antitoxin System: The HEPN

    2020-12-7 · Songailiene et al. report the mechanism of A. flos-aquae HEPN-MNT toxin-antitoxin system. HEPN RNase is a toxin, cutting 4 nt from the tRNA acceptor stem. The minimal nucleotidyltransferase (MNT) inactivates HEPN through oligoAMPylation. The system may act as a cellular sensor of ATP homeostasis, releasing active HEPN at low …

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  • (PDF) Raman and infrared spectroscopy of

    The crystal structure of D-ribose has remained unknown for years. Š i š ak et al., determined in 2010 that D -ribose occurs in the solid state in two crystal forms that contain β - and α ...

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  • Answers - The Most Trusted Place for Answering Life's ...

    The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers. Get more answers Register for an Answers account.

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  • Prof S. Ravi P. Silva

    2021-8-5 · Ravi Silva is a Distinguished Professor and the Director of the Advanced Technology Institute (ATI) at the University of Surrey. He also Heads the Nano-Electronics Centre (NEC), which is an interdisciplinary research activity. The ATI has over 160 active researchers working on multidiscipline programmes with the NEC being a major …

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  • Rodney Ewing's Profile

    Rodney Ewing is part of Stanford Profiles, official site for faculty, postdocs, students and staff information (Expertise, Bio, Research, Publications, and more). The site facilitates research and collaboration in academic endeavors.

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  • Nanomaterial processing using self-assembly-bottom

    2013-5-30 · For mono-, bi- or trivalent electrolyte systems with concentrations less than 0.1 M, this value can be up to 10 nm. When two surfaces with the same type of charge approach each other, the diffuse layers (the potentials) from each surface overlap, generating a repulsive force often referred to as electric double-layer repulsion [ 12 ].

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  • Research Seminars

    2021-6-24 · Albert Mollén, PPPL. #s1337, Thursday, 26 Aug 2021, 9:45am. In addition to particle-in-cell methods, the XGC code evaluates dissipative operations such as collisions and heat sources/sinks on a 5-D grid at each fixed time step. This requires a mapping between the marker particles and the 5-D phase-space grid.

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  • Official Sonovia Store - Reusable, Sustainable With

    Cosmetic dentist Marc Lowenberg says this mask from Israeli brand Sonovia is his “new go-to.”. These masks are coated with zinc oxide, which is gentle on the skin and may help prevent mask-related breakouts. …

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  • Free Access to Scientific Journals - Open Access

    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 …

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  • Purification, Characterization of Amylase from ...

    2017-8-23 · The amylase from Aureobasidium pullulans Cau 19 was purified by ammonium sulfate precipitation and Sephadex G-100 chromatography with a 9.25-fold increase in specific activity as compared to crude enzyme. Km and turn over values of the enzyme were 6.25 mg/mL and 5.0 × 102/min, respectively. Effect of different metal ions …

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  • Graphene-based integrated photonics for next

    2018-10-1 · Graphene is an ideal material for optoelectronic applications. Its photonic properties give several advantages and complementarities over Si photonics. For example, graphene enables both electro ...

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  • Rediscovering Sulfinylamines as Reagents for Organic

    2021-4-15 · Our interest in sulfinylamines was sparked by considering their status as mono-aza analogues of sulfur dioxide. SO 2 can be used, often in the form of a solid surrogate such as DABSO (1,4 …

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  • Momo 'suicide game' tells boy, 8, to hold knife to his ...

    2019-2-26 · Lyn Dixon's eight-year-old son is one of the latest child to become ensnared by the Momo Challenge, a game which encourages children to self-harm. The mother, from Edinburgh, has warned of its ...

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  • Enzyme entrapment, biocatalyst immobilization

    2021-6-24 · Enzyme entrapment, biocatalyst immobilization without covalent attachment H. T. Imam, P. C. Marr and A. C. Marr, Green Chem., 2021, 23, 4980 DOI: 10.1039/D1GC01852C This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without …

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  • Official Sonovia Store - Reusable, Sustainable With

    Cosmetic dentist Marc Lowenberg says this mask from Israeli brand Sonovia is his “new go-to.”. These masks are coated with zinc oxide, which is gentle on the skin and may help prevent mask-related breakouts. …

    Get Price
  • tipped pcbn inserts in 80 degree diamond shape C for

    2021-7-20 · tipped pcbn inserts in 80 degree diamond shape C for hard turning ferrous metals of cast iron and hardened steel, the cbn insert cutting edges are made with polycrystalline cubic boron nitride, indexable inserts with cbn tips are precision cutting tools, which are used in cnc fine finish machining and turning roller, bearing, pumps, …

    Get Price
  • tipped pcd inserts in 80 degree diamond shape C for ...

    2020-5-8 · tipped pcd inserts in 80 degree diamond shape C for hard turning non-ferrous metals of aluminum, the pcd insert cutting edges are made with polycrystalline diamond, indexable inserts with pcd working tips are precision cutting tools, which are used in cnc super fine finish machining, turning and milling automobile engine block, cylinder head, …

    Get Price
  • pcd inserts for turning and milling aluminum alloy ...

    2020-5-7 · swift manufacturing ltd supply with polycrystalline diamond pcd inserts for turning and face milling, pcd cutting tool inserts which is an indexable inserts widely used in cnc machining for fine finishing aluminum alloy and tungsten carbide, such as work part of aumotive cylinder head,wheel hub,pressure tanks,gearbox shaft,valves and composite bearing materials…

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  • Prof S. Ravi P. Silva

    2021-8-5 · Ravi Silva is a Distinguished Professor and the Director of the Advanced Technology Institute (ATI) at the University of Surrey. He also Heads the Nano-Electronics Centre (NEC), which is an interdisciplinary research activity. The ATI has over 160 active researchers working on multidiscipline programmes with the NEC being a major …

    Get Price
  • Characterization and engineering of a plastic

    2018-5-8 · PETase catalyzes the depolymerization of PET to bis (2-hydroxyethyl)-TPA (BHET), MHET, and TPA. MHETase converts MHET to TPA and EG. Beyond PET, humankind uses a wide range of polyesters, …

    Get Price
  • Global Energy Services & Equipment

    Schlumberger is a technology company that partners with customers to access energy. Our people, representing over 160 nationalities, are providing leading digital solutions and deploying innovative technologies to enable performance and sustainability for the global energy industry.

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  • Controlling the shape and chirality of an eight

    2021-3-31 · (1) Treatment of dialdehyde A (8 equiv) with a mono-aniline (16 equiv) and either Zn(OTf) 2 or Fe(OTf) 2 (6 equiv) led to the formation of the framework of extended circular helicate 1.Eight-crossing molecular knot 2 formed (2) via aniline exchange from 1, or (3) directly from subcomponents A and B together with the metal …

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  • Luxottica: The eyewear company with 'total

    2012-10-10 · Luxottica, a 'little-known but very big Italian company' makes prescription frames and sunglasses for nearly every designer brand, from Prada and Chanel, to Ralph Lauren and Versace.

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  • BJNANO - Methods for preparing polymer-decorated

    The different reaction steps were monitored by ATR-FTIR on a Thermo Nicolet 8700 spectrometer equipped with a diamond crystal (50 scans, 4 cm −1 resolution). Thermogravimetric analyses (TGA) were performed in air on a Labsys-Evo device with a heating rate of 10 °C min −1. X-ray photoelectron spectroscopy (XPS) measurements …

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  • Effect of silicon/crucible interfacial energy on ...

    Seed-assisted growth of mono crystalline-like Silicon (mono-like Si) ingots of 50 cm square has been performed. By controlling the shape of the liquid-solid interface, a mono-like crystal was ...

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  • Ultra-Fast High-Precision Metallic Nanoparticle

    2020-6-12 · Laser-driven proton acceleration, as produced during the interaction of a high-intensity (I > 1 × 1018 W/cm2), short pulse (<1 ps) laser with a solid target, is a prosperous field of endeavor for ...

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  • Nanomaterials

    A tremendous effort is currently devoted to the generation of novel hybrid materials with enhanced electronic properties for the creation of artificial photosynthetic systems. This compelling and challenging problem is well-defined from an experimental point of view, as the design of such materials relies on combining organic materials …

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  • Graphene-based integrated photonics for next

    2018-10-1 · Graphene is an ideal material for optoelectronic applications. Its photonic properties give several advantages and complementarities over Si photonics. For example, graphene enables both electro ...

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  • Pencil Graphite Electrodes: A Versatile Tool in ...

    Due to their electrochemical and economical characteristics, pencil graphite electrodes (PGEs) gained in recent years a large applicability to the analysis of various types of inorganic and organic compounds from very different matrices. The electrode material of this type of working electrodes is constituted by the well-known and easy commercially …

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  • An evolutionarily distinct family of polysaccharide

    The human gut microbiota utilizes complex carbohydrates as major nutrients. The requirement for efficient glycan degrading systems exerts a major selection pressure on this microbial community. Thus, we propose that this microbial ecosystem represents a substantial resource for discovering novel carbohydrate active enzymes. To test this …

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  • Q&A: Tom Danley - The Innovator Behind Synergy Horns ...

    2013-7-15 · Curiosity and ingenuity prove to be a powerful combination. Danley Sound Labs is the exclusive home of Tom Danley and its innovative loudspeaker designs. Tom has pioneered numerous technologies that …

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  • Limestone: Rock Uses, Formation, Composition, Pictures

    Limestone is a sedimentary rock composed primarily of calcite, a calcium carbonate mineral with a chemical composition of CaCO 3. It usually forms in clear, calm, warm, shallow marine waters. Limestone is usually …

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  • Creepy character 'Momo' used in 'suicide games'

    2018-8-10 · The rise of 'Momo': TERRIFYING doll-like character used in controversial 'suicide games' spreads fear online as social media users crown the viral figure the 'Slenderman of 2018'. Japanese doll ...

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