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In light-emitting diode physics, the recoination of electrons and electron holes in a semiconductor produce light (or infrared radiation), a process called "electroluminescence".The wavelength of the light produced depends on the energy band gap of the

Pretentious Latin Motto | All The Tropes Wiki | Fandom

Well, nothing says pretentious credibility like a Latin motto. It''s supposed to confer prestige, but Latin often gives off the "nyah nyah, we''re so much smarter and more awesome than you" vibe, hence the tendency to consider it pretentious. Dog Latin can be used in place of actual Latin for comedic purposes. If the translation isn''t given, this becomes a Bilingual Bonus. See also Altum Videtur.

The CF34 Engine | GE Aviation

The CF34-8C5 is an advanced 14,500 pound thrust class turbofan propulsion system that powers the Boardier CRJ900 Series airliner. The engine features 50% more thrust, higher thrust to weight ratio, lower specific fuel consumption, reduced nuer of parts

Forschungszentrum Jülich - IEK-5 - Publikationen 2009

Institut für Energie- und Klimaforschung

Products - Horn

The carbide grades developed for the high feed-rate cutting by HORN because of its high toughness and wear resistance is characterized by very high durability. Tooth profile roughing a large module-tooth segment achieved a cutter of the system DAH37 with a diameter of 40 mm, equipped with 5 cutting edges of type DAH37 in the material 42CrMo4 a chip volume Q 720 cm ³/min

Thermal Diffusivity Table | Engineers Edge | …

Silicon Dioxide (Polycrystalline) 8.3 × 10 -7 0.83 Si 3 N 4 with CNTs 26 C 9.142 × 10-6 9.142 Si 3 N 4 without CNTs 26 C 8.605 × 10-6 8.605 PC (Polycarbonate) at 25 C 0.144 × 10-6 0.144 PP (Polypropylene) at 25 C 0.096 × 10-6 0.096 Paraffin at 25 0.08

A brief history of pumps - World Pumps

Fifty years ago, Trade & Technical Press launched a new magazine to report on technical developments in pumps. The original title of Pumping was short-lived, being soon supplanted by the pan-European Pumps, Pompes, Pumpen in 1965 as the magazine linked

Aluminium Metal Matrix Composites: Literature Review

15] M.Sankar-They investigated the Silicon carbide and Flyash reinforced with the Aluminium 6061 alloy.They developed the specimens using the stir casting method.They found that as the reinforcement contents increased in the matrix material, the composites

Humidor — Wikipedia Republished // WIKI 2

Carbon fibre, silicon carbide, and polyethylene are rare. Aside from pleasing aesthetics, the casing''s purpose is to protect the interior and create a closed environment, so any …

Microwave Synthesis: Monowave 400/200 :: Anton-Paar

Monowave 400 and Monowave 200 are high performance microwave reactors specially designed for small scale microwave synthesis appliions in research and development laboratories.Microwave irradiation nowadays is not only successfully employed for organic

Gray Iron | Iron Casting Research Institute, Inc.

Gray Iron-A Unique Engineering Material by D.E. Krause, Executive Director, 1940-1973 (The Gray Iron Research Institute) Iron Casting Research Institute REFERENCE: Krause, D. E., “Gray Iron-A Unique Engineering Material” Gray, Ductile, and Malleable Iron Castings-Current Capabilities, ASTM STP 455, American Society for Testing and Materials, Philadelphia, 1969, pp. 3-28.

ทำความรู้จักกับ Opti-coat เคลือบเซรามิค นำเข้าจากประเทศ

Optimum Opti-Coat Pro+ Silicon carbide (SiC) : is composed of tetrahedra of carbon and silicon atoms with strong bonds in the crystal lattice. This produces a very hard and strong material. Silicon carbide is not attacked by any acids or alkalis or molten salts

Thermal Management Materials | DuPont Electronic …

Effective heat management is key to optimum performance in electronic appliions ranging from semiconductors to LED lighting. DuPont thermal management materials provide a high-quality, reliable choice for managing heat and reducing thermal resistance in a wide variety of electronic asselies to enhance performance and extend product lifetime for a variety of appliions.

Photonics: Optics, Lasers, Imaging & Fiber …

Photonics news, research and product information. Includes online editions of Photonics Spectra, BioPhotonics, EuroPhotonics, Buyers'' Guide, Dictionary Are Large Image Sensors A Perfect Fit for Large Field of View Microscope Appliions?PCO-TECH Inc. In the

GE Adaptive Cycle Engine | GE Aviation

Next-generation innovation Developed under the U.S. Department of Defense’s Adaptive Versatile Engine Technology (ADVENT) and Adaptive Engine Technology Development (AETD) programs, the GE Adaptive Cycle Engine is the only engine that coines outstanding fuel burn with increased, fighter-level thrust, enabling next-generation military coat aircraft to go greater distances and engage more