length-to-diameter ratio
21fineness ratio — 1. Aeron. the ratio of the length of a streamlined body, as a rocket or airplane hull, to its maximum diameter. 2. Rocketry. See aspect ratio (def. 4a). * * * …
22focal ratio — noun the ratio of the focal length to the diameter of a (camera) lens system • Syn: ↑f number, ↑stop number, ↑speed • Hypernyms: ↑ratio * * * noun : f number …
23L/D — Length to Diameter Ratio (Miscellaneous » Unit Measures) *** Lift/Drag (Ratio) (Governmental » Military) …
24Antenna (radio) — Whip antenna on car …
25Optical properties of carbon nanotubes — Contents 1 Terminology 2 Electronic structure of carbon nanotube 3 Van Hove singularities …
26Carbon nanotube — Not to be confused with Carbon fiber. Part of a series of articles on Nanomaterials Fullerenes …
27Terminal ballistics — Terminal ballistics, a sub field of ballistics, is the study of the behavior of a projectile when it hits its target. It is often referred to as stopping power when dealing with human or other living targets. Terminal ballistics is as relevant… …
28Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… …
29High temperature insulation wool — Microscopic close up of ceramic fibre …
30Design for manufacturability for CNC machining — Design for manufacturability (DFM) describes the process of designing or engineering a product in order to facilitate the manufacturing process in order to reduce its manufacturing costs. DFM will allow potential problems to be fixed in the… …
