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Graphene (/ ˈ ɡ r æ f iː n /) [1] is a carbon allotrope consisting of a single layer of atoms arranged in a honeycomb planar nanostructure. [2] [3] The name "graphene" is derived from "graphite" and the suffix -ene, indicating the presence of double bonds within the carbon structure.
Processes and certifications known as type approval in English are often called homologation, or some cognate expression, in other European languages. [ 1 ] [ 2 ] Compliance with type approval requirements can be denoted by a third-party marking on the back of the product (e.g. ABS , TÜV , UL , CSA , KIWA ), or by a type-approval certificate ...
In numerical mathematics, the constant strain triangle element, also known as the CST element or T3 element, is a type of element used in finite element analysis which is used to provide an approximate solution in a 2D domain to the exact solution of a given differential equation.
ASD-STE100 Simplified Technical English (STE) is a controlled language designed to simplify and clarify technical documentation. It was originally developed during the 1980's by the European Association of Aerospace Industries (AECMA), at the request of the European Airline industry, who wanted a standardized form of English for technical documentation that could be easily understood by non ...
A caesium atomic clock from 1975 (upper unit) and battery backup (lower unit) [15] In 1949, Alfred Kastler and Jean Brossel [16] developed a technique called optical pumping for electron energy level transitions in atoms using light. This technique is useful for creating much stronger magnetic resonance and microwave absorption signals ...
Crystal structure of CH 3 NH 3 PbX 3 perovskites (X=I, Br and/or Cl). The methylammonium cation (CH 3 NH 3 +) is surrounded by PbX 6 octahedra. [13]The name "perovskite solar cell" is derived from the ABX 3 crystal structure of the absorber materials, referred to as perovskite structure, where A and B are cations and X is an anion.
The module was called the Expandable Bigelow Advanced Station Enhancement (XBASE), as Bigelow hoped to test the module by attaching it to the International Space Station. However, in March 2020, Bigelow laid off all 88 of its employees, and as of February 2024 [update] the company remains dormant and is considered defunct, [ 200 ] [ 201 ...
Mass Effect 3 is a 2012 action role-playing video game developed by BioWare and published by Electronic Arts.The third major entry in the Mass Effect series and the final installment of the original trilogy, it was released in March 2012 for Windows, Xbox 360, and PlayStation 3.