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Keyhole limpet hemocyanin from Megathura crenulata is used as vaccine carrier protein. Keyhole limpet hemocyanin (KLH) is a copper containing respiratory protein, similar to hemoglobin in humans. KLH is a large protein that acts as the hapten carrier part of the vaccine component, and is so far thought to be non-toxic.
The pattern varies between events. According to the California Gymkhana Association, the pattern should be set up as follows: 80 feet (24 m) from arena gate to timing line. 100 feet (30 m) from timing line to center of keyhole. Keyhole should be 4 feet (1.2 m) across at the entrance, 10 feet (3.0 m) from the entrance of the keyhole to the bulb.
All KH-11 Keyhole satellites on orbit, orbital constellation status of September 2013. Nine KH-11 satellites were launched between 1976 and 1990 aboard Titan-3D and Titan-34D launch vehicles, with one launch failure. For the following five satellite launches between 1992 and 2005, a Titan IV launch vehicle was used.
The green volume illustrates visible space limited by the keyhole problem. The arrow points to the "keyhole" as unviewable sky volume. To track celestial objects as they move across the sky, these systems usually rotate on two axes. Often, a tilting mechanism (elevation) is mounted upon a panning base . To cover the complete hemisphere of ...
In this basketball game played in 1942, the key was much narrower than the free-throw circle. Originally, the key was narrower and was shaped more like a keyhole, measuring six feet (1.8 m) wide, hence its name "the key", with the free-throw circle as the head, and the shaded lane as the body.
Keyhole cichlid with a clutch of eggs. It is a monogamous, biparentally custodial breeder which spawns on flattened rocks, logs or leaves. [2] Clutch size ranges from 300-400 eggs that are tended by both the male and female. [1] [3] The sexes are difficult to distinguish, though some males have a longer and more pointed dorsal fin.
KeyHoleTV is an online television portal that links to Japanese television channels, radio stations, and user-made channels. KeyHoleTV only has a narrow selection of channels, such as TV Asahi, NHK General TV, NHK Educational TV, Fuji TV, TBS, TV Tokyo, Tokyo MX and Nippon TV.
The first known example of a tumbler lock was found in the ruins of the Palace of Khorsabad built by king Sargon II (721–705 BC.) in Iraq. [1] Basic principles of the pin tumbler lock may date as far back as 2000 BC in Egypt; the lock consisted of a wooden post affixed to the door and a horizontal bolt that slid into the post.