Flow+in+drops
51Artificial heart valve — An artificial heart valve is a device implanted in the heart of a patient with heart valvular disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires… …
52cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …
53Missouri River — Coordinates: 38°48′49″N 90°07′11″W / 38.81361°N 90.11972°W / 38.81361; 90.11972 …
54Oxygen mask — A plastic oxygen mask on an ER patient. An oxygen mask provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover the nose and mouth (oral nasal mask) or the entire face (full face mask). They may… …
55Hydroponics — (from the Greek words hydro (water) and ponos (labour) is a method of growing plants using mineral nutrient solutions, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium,… …
56Supercritical fluid extraction — (SFE) is the process of separating one component (the extractant) from another (the matrix) using supercritical fluids as the extracting solvent. Extraction is usually from a solid matrix, but can also be from liquids. SFE can be used as a sample …
57List of Dragon Ball episodes — First volume of the Dragon Ball DVD series, released by Toei Entertainment on April 4, 2007 Dragon Ball is the first in a trilogy of anime adaptations of the Dragon Ball manga series by Akira Toriyama. Produced by Toei Animation, the anime series …
58atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …
59Menstrual cycle — See also: Menstruation and Menstruation (mammal) The menstrual cycle is the scientific term for the physiological changes that can occur in fertile women. This article focuses on the human menstrual cycle. The menstrual cycle, under the… …
60Stirling engine — Alpha type Stirling engine. There are two cylinders. The expansion cylinder (red) is maintained at a high temperature while the compression cylinder (blue) is cooled. The passage between the two cylinders contains the regenerator …
