standard plate specimen
21HIV test — Randall L. Tobias, former U.S. Global AIDS Coordinator, being publicly tested for HIV in Ethiopia in an effort to reduce the stigma of being tested.[1] HIV tests are used to detect the presence of the human immunodeficiency virus (HIV), the virus …
22Strength of ships — The strength of ships is a topic of key interest to Naval Architects and shipbuilders. Ships which are built too strong are heavy, slow, and cost extra money to build and operate since they weigh more, whilst ships which are built too weakly… …
23Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …
24Photoelasticity — is an experimental method to determine stress distribution in a material. The method is mostly used in cases where mathematical methods become quite cumbersome. Unlike the analytical methods of stress determination, photoelasticity gives a fairly …
25Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… …
26analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
27sound reception — Introduction response of an organism s aural mechanism, the ear, to a specific form of energy change, or sound waves. Sound waves can be transmitted through gases, liquids, or solids, but the hearing function of each species is particularly …
28Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …
29Pterodactylus — Pterodactyl redirects here. For other uses, see Pterodactyl (disambiguation). Animalia Pterodactylus antiquus Temporal range: Late Jurassic, 150.8–148.5 Ma …
30Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
