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Commercial crude oil stock pile. The Strategic Petroleum Reserve (SPR) is an emergency stockpile of petroleum maintained by the United States Department of Energy (DOE). It is the largest publicly known emergency supply in the world; its underground tanks in Louisiana and Texas have capacity for 714 million barrels (113,500,000 m 3). [1]
Surface plasmon resonance (SPR) Surface plasmon resonance (SPR) is a phenomenon that occurs where electrons in a thin metal sheet become excited by light that is directed to the sheet with a particular angle of incidence, and then travel parallel to the sheet. Assuming a constant light source wavelength and that the metal sheet is thin, the ...
Caloplaca cerina, also known as the gray-rimmed firedot lichen, is a species of lichen. It is part of the monophyletic Caloplaca cerina and is the type species of the genus Caloplaca . [ 1 ]
The Czech SPR is equal to 100 days of consumption or 20,300,000 barrels (3,230,000 m 3). [45] Denmark has a reserve equal to 81 days of consumption (about 1.4 million tonnes). [46] Not counting reserves held by the military defence. Finland has an SPR with an approximate size of 62,400,000 barrels (9,920,000 m 3). [47]
Polycauliona bolacina, the waxy firedot lichen, is a species of saxicolous (rock-dwelling), crustose lichen in the family Teloschistaceae. [2] It is found in western North America. Taxonomy
Multi-parametric surface plasmon resonance (MP-SPR) is based on surface plasmon resonance (SPR), an established real-time label-free method for biomolecular interaction analysis, but it uses a different optical setup, a goniometric SPR configuration.
The SPR/A and SPR/B both used the KAC M4 Match FF RAS, KAC part number 99167. Two ARMS #22 Throwlever 30 mm steel rings are used to mount the dayscope. The SPR/A, SPR/B, and Mk 12 MOD 1 use ARMS #22 high rings, while due to the increased height from the SWAN Sleeve, the SPR and Mk 12 MOD 0/H use ARMS #22 medium rings.
Recent works have also shown that SPR can be used to measure the optical indexes of multi-layered systems, where ellipsometry failed to give a result. [8] [9] Surface plasmon-based circuits have been proposed as a means of overcoming the size limitations of photonic circuits for use in high performance data processing nano devices. [10]