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- Dispersion
- the amount by which a set of observations deviates from its mean
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- Emerald Hilton Davis Acquires Wolstenholme, a Manufacturer of Carbon Black Dispersions for Printing Inks
- CUYAHOGA FALLS, Ohio -- Emerald Hilton Davis, LLC, a subsidiary of Emerald Performance Materials, LLC ("Emerald"), today announced that it has acquired the carbon black dispersions business and assets of Wolstenholme International Ltd. ("Wolstenholme"). Emerald is an affiliated portfolio company of Sun Capital Partners, Inc., a leading private investment firm...
- Research articles 2008-04-01
- Moldable plastic shielding
- PREMIER[TM] PEI-140, a lightweight, polyetherimide-based, electrically conductive plastic with up to 85-dB shielding effectiveness and UL 94V-0 flammability rating, is suited to high-temperature aerospace, defense, and transportation applications. PEI-140 complies with RoHS, WEEE, EPA, EU, and TCO specifications for ecological compatibility, contains no halogenated compounds, and generates very little smoke...
- Research articles 2008-03-01
- ICE 2007 FutureCoat!
- Wednesday, October 3, 2007 Keynote Address (8:00 am-9:00 am; Rm. 701A-B) Green Chemistry and Entropic Control in Coatings Materials and Processes -- John C. Warner, University of Massachusetts Lowell Track 1 Green Chemistry -- Environmental (9:15 am-11:30 am; Rm. 705) 9:15-9:45 am --...
- Research articles 2007-09-01
- ICE 2007 FutureCoat!
- Wednesday, October 3, 2007 Keynote Address (8:00 am-9:00 am; Rm. 701A-B) Green Chemistry and Entropic Control in Coatings Materials and Processes -- John C. Warner, University of Massachusetts Lowell Track 1 Green Chemistry--Environmental (9:15 am-12:00 noon; Rm. 705) 9:15-9:45 am -- Development of...
- Research articles 2007-08-01
- The importance and challenge of modeling irrigation-induced erosion.
- Irrigation-induced erosion and rain-induced erosion result from very different systematics. Therefore, both cannot be predicted effectively using the same models. The average two-fold yield and three-fold economic advantage of irrigation over rain-fed agriculture, coupled with the fragility of irrigated land and the strategic importance of irrigation development to meet world...
- Research articles 2007-05-01
- Hot-melt adhesives.(adhesives and adhesive products: Adhesives and dispensing solutions.)
- Collano supplies hot-melt adhesives that the company says can contain healing additives, function as antimicrobial barriers, control moisture, provide support or stabilise wounds. Other products include water-based dispersions and thermoplastic adhesive films, and test results for ISO 10993-5/-10 (cytotoxicity, skin irritation and skin sensitisation) are...
- Research articles 2006-09-01
- Shamrock Technologies, Inc.(Trade Show IN PRINT)(Brief Article)
- Shamrock Technologies, Inc., an international manufacturer/supplier of a broad line of additive products, manufactures over 250 products at its ISO Certified facilities. Products include micronized powders, dispersions, emulsions and compounds (including polytetrafluoroethylene PTFE, polyethylene, polypropylene, fluoropolymers, custom wax alloys, natural waxes and...
- Research articles 2005-04-01
- One-Dimensional Photonic Crystal Superprisms
- In comparison with three-dimensional superprisms, these could be fabricated more easily.NASA's Jet Propulsion Laboratory, Pasadena, CaliforniaTheoretical calculations indicate that it should be possible for one-dimensional (1D) photonic crystals see figure to exhibit giant dispersions known as the superprism effect. Previously, three-dimensional (3D) photonic crystal superprisms have demonstrated strong wavelength dispersion...
- Research articles 2005-04-01
- ITU STANDARD ENSURES BRIGHTER FUTURE FOR OPERATORS.(International Telecommunication Union )(Brief Article)
- The International Telecommunication Union ITU announced on May 13 that a global standard for a new optical fibre had been adopted to make it easier for network operators to deploy bandwidth to maximise technology in their core networks. The development of standards in this area is...
- Research articles 2004-05-26
- ITU sets CWDM standard
- ITU has set a global standard--Recommendation G.656--for a new optical fiber that will make it easier for network operators to deploy bandwidth to maximize technology in their core networks. The development of standards in this area is important if network operators are to reduce costs and provide more innovative services...
- Research articles 2004-05-21
- Unpassivated GaN/AlGaN/GaN Power High Electron Mobility Transistors with Dispersion Controlled by Epitaxial Layer Design
- In this paper, a novel GaN/AlGaN/GaN high electron mobility transistor HEMT is discussed. The device uses a thick GaN-cap layer (~250 nm) to reduce the effect of surface potential fluctuations on device performance. Devices without Si^sub 3^N^sub 4^ passivation showed no dispersion with 200-ns-pulse-width gate-lag measurements. Saturated output-power density of...
- Research articles 2004-05-01
- Convergence in the OECD: transitional dynamics or narrowing steady-state differences?
- I. INTRODUCTION Research on growth and convergence has proceeded through several stages that can be described as a process of accommodating cross-country heterogeneity into the convergence equation. In the first stage, the world could be described as countries approaching to equal absolute convergence or to different conditional convergence steady...
- Research articles 2004-01-01
- Distribution of Internet Use: A Cross-National Analysis1, The
- The wide adoption of the Internet is one of the most dramatic economic and technological developments in recent years. The International Telecommunications Union reports that in 2002 there were 591 million Internet users worldwide. In some countries, Internet adoption has had wide impact beyond pure consumption-affecting the internal operations of...
- Research articles 2003-10-01
- Technology to Measure Dispersion Developed.
- In the newly developing field of nanocomposites research, transmission electron microscopy has been used to analyze the structure of a nanocomposite, and X-ray diffraction has been used to measure changes in the spacing of silicate layers. However, what about measuring the degree of dispersion of the nanoparticles in the bulk...
- Research articles 2003-06-01
- Influence of coating system composition on moisture dynamic performance of coated wood. (Technical Articles).
- Model coatings with known composition were assessed for liquid water permeability both as single coat systems and combined as primers and topcoats to form regularly used coating systems--in total 38 different systems. The water permeability of the coatings, expressed as water absorption value, was measured by...
- Research articles 2003-03-01
- Regulation Fair Disclosure, analyst following, and analyst forecast dispersion.
- SYNOPSIS: This paper presents preliminary evidence of the effect of Regulation Fair Disclosure FD on the quantity and quality of firm-specific information released to the market by comparing analyst forecast data from pre-FD to post-FD time periods. By prohibiting selective disclosure of material information to privileged individuals, the Securities and...
- Research articles 2003-03-01
- Optical cable. (New Products).(advertisement)
- Sumitomo Electric Lightwave Research Triangle Park, NC www.sumitomoelectric.com Sumitomo Electric Lightwave announced its plans to include three new Sumitomo fiber types. The decision by Sumitomo Electric Lightwave to expand its optical cable product line coincides with the recent introduction by Sumitomo Electric Industries, LTD of...
- Research articles 2002-06-01
- LaserComm Secures $21 Million in Funding; Innovative Technology Key to Increasing Capacity and Lowering Costs of Optical Networks
- Business Editors & High-Tech Writers PLANO, Texas--BUSINESS WIRE--Jan. 15, 2002 LaserComm, an innovator of photonic components and modules and a leader in managing chromatic dispersion in optical networks, today announced it has secured $21 million in fourth-round funding from internal investors, led by Morgan Stanley Venture Partners and...
- Research articles 2002-01-15
- NIST measurement is adapted to meet telecommunications industry needs - News Briefs - National Institute of Standards and Technology
- To meet the emerging metrology needs of the telecommunications industry, NIST scientists have significantly improved NISTs measurement capabilities for chromatic dispersion. Dispersion causes data pulses in optical fiber systems to broaden, resulting in transmission errors. Previously, NIST produced Standard Reference Material 2524, which was an artifact with a certified zero-dispersion...
- Research articles 2002-01-01
- NIST researchers develop and distribute crucial optical dispersion model to the semiconductor industry - News Briefs - Brief Article
- NIST researchers have recently derived a unique Generalized Tauz-Lorentz GTL dispersion model that can successfully model spectroscopic ellipsometry data for high-k thin films in the spectral range of 1.5 eV to 6.3 eV. This model can be used to determine accurately film thickness and optical properties. Furthermore, the model and...
- Research articles 2001-09-01
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