light penetration depth
41Pulsed laser deposition — (PLD) is a thin film deposition (specifically a physical vapor deposition, PVD) technique where a high power pulsed laser beam is focused inside a vacuum chamber to strike a target of the desired composition. Material is then vaporized from the… …
42Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …
43V838 Monocerotis — y su eco de luz representados por el Telescopio espac …
44Thomas Eakins — Self portrait, National Academy of Design, New York. In 1894 the artist wrote: My honors are misunderstanding, persecution neglect, enhanced because unsought. [1] …
45Marshall Space Flight Center — George C. Marshall Space Flight Center Aerial view of the test area at MSFC …
46Tarawera River — Infobox River river name = Tarawera River image size = 180px caption = Tarawera Falls on the Tarawera River origin = mouth = Bay of Plenty basin countries = New Zealand length = 65 km elevation = mouth elevation = discharge = 26m3/sec watershed …
47Peptide synthesis — In organic chemistry, peptide synthesis is the production of peptides, which are organic compounds in which multiple amino acids are linked via peptide bonds which are also known as amide bonds. The biological process of producing long peptides… …
48Upper Mississippi River — Infobox River | river name = Upper Mississippi River caption = The Upper Mississippi River near Harpers Ferry, Iowa origin = Lake Itasca, Minnesota coord|47.253|N|95.212|W| mouth = Cairo, Illinois (flows into Lower Mississippi River)… …
49profundal zone — the zone in lakes including all of the basin floor in contact with the hypolimnion, below the depth of effective light penetration …
50Technical diving — Technical diver during a decompression stop. Technical diving (sometimes referred to as Tec diving) is a form of scuba diving that exceeds the scope of recreational diving (although the vast majority of technical divers dive for recreation and… …
