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EUROCAE WG-46. Domain. Aviation electronics. RTCA DO-254 / EUROCAE ED-80, Design Assurance Guidance for Airborne Electronic Hardware is a document providing guidance for the development of airborne electronic hardware, published by RTCA, Incorporated and EUROCAE. The DO-254/ED-80 standard was formally recognized by the FAA in 2005 via AC 20-152 ...
A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection .
An Operation Order, often abbreviated to OPORD, is a plan format meant to assist subordinate units with the conduct of military operations. An OPORD describes the situation the unit faces, the mission of the unit, and what supporting activities the unit will conduct in order to achieve their commander's desired end state.
Appendicitis is inflammation of the appendix. [ 2] Symptoms commonly include right lower abdominal pain, nausea, vomiting, and decreased appetite. [ 2] However, approximately 40% of people do not have these typical symptoms. [ 2] Severe complications of a ruptured appendix include widespread, painful inflammation of the inner lining of the ...
The d-orbitals of 2H-MoS 2 are split into three bands: d z 2, d x 2-y 2,xy, and d xz,yz. Of these, only the d z 2 is filled; this combined with the splitting results in a semiconducting material with a bandgap of 1.9eV. 1T-MoS 2, on the other hand, has partially filled d-orbitals which give it a metallic character.
A multi-level bill of materials (BOM), referred to as an indented BOM, is a bill of materials that lists the assemblies, components, and parts required to make a product in a parent-child, top-down method. It provides a display of all items that are in parent-children relationships. When an item is a sub-component, of a (parent) component, it ...
This is a list of building materials. Many types of building materials are used in the construction industry to create buildings and structures . These categories of materials and products are used by architects and construction project managers to specify the materials and methods used for building projects .
L.Ed — Lawyers' Edition. L.Ed.2d — Lawyers 2nd Edition. LJ – Postnominals of a Lord or Lady Justice of Appeal (United Kingdom) LJJ – Postnominals of Lords or Ladies Justice of Appeal, plural (United Kingdom) LL.B. – Legum Baccalaureus — Bachelor of Laws. LLC — Limited liability company. LL.D. – Legum Doctor — Doctor of Law.