abrasion test
21abrasive — abrasively, adv. abrasiveness, n. /euh bray siv, ziv/, n. 1. any material or substance used for grinding, polishing, etc., as emery, pumice, or sandpaper. adj. 2. tending to abrade; causing abrasion; abrading. 3. tending to annoy or cause ill… …
22Opportunity rover — (MER B) Opportunity in April 2003 Operator NASA Mission type Rover …
23ILC Dover — (formerly ILC Industries, also known as simply ILC) is a Dover, Delaware based corporation located in nearby Frederica, Delaware. Approximately ten percent of the workforce is stationed at the Lyndon B. Johnson Space Center. Most of the company s …
24Apollo/Skylab A7L — Apollo 11 A7L space suit worn by Buzz Aldrin, and another worn by photographer Neil Armstrong in the visor reflection. The A7L Apollo Skylab spacesuit is the primary pressure suit worn by NASA astronauts for Project Apollo, the three manned… …
25Ceramography — is the art and science of preparation, examination and evaluation of ceramic microstructures.[1] Ceramography can be thought of as the metallography of ceramics. The microstructure is the structure level of approximately 0.1 to 100 µm, between… …
26Mars Astrobiology Explorer-Cacher — Operator NASA Mission type Rover Launch vehicle Atlas V …
27steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
28Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …
29Microfracture surgery — Left knee joint from behind, showing interior ligaments. (Lateral meniscus and medial meniscus are cartilage.) Microfracture surgery is one of the articular cartilage repair surgical techniques that works by creating tiny fractures in the… …
307440-41-7 — Béryllium Pour les articles homonymes, voir Béryllium (maladie professionnelle). Béryllium …
