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Sodium azide is an ionic solid.Two crystalline forms are known, rhombohedral and hexagonal. [1] [6] Both adopt layered structures.The azide anion is very similar in each form, being centrosymmetric with N–N distances of 1.18 Å.
[3] [4] It was formed in 1935 as a partnership between two major American glassworks, Corning Glass Works and Owens-Illinois. The company employs approximately 19,000 people around the world. [5] [6] Owens Corning has been a Fortune 500 company every year since the list was created in 1955.
A science project is an educational activity for students involving experiments or construction of models in one of the science disciplines. Students may present their science project at a science fair, so they may also call it a science fair project. Science projects may be classified into four main types.
The Detasheet trademark is now owned by the Ensign-Bickford Aerospace and Defense Company, which has been selling an identical explosive sheet product called Primasheet [1] since 1984. Primasheet-1000 and Detasheet are identical and when purchased the packaging contains both trademarks.
According to the U.S. Government Project Officer's Interim Report on the Starfish Prime project: [3] Previous high-altitude nuclear tests: YUCCA, TEAK, and ORANGE, plus the three ARGUS shots were poorly instrumented and hastily executed. Despite thorough studies of the meager data, present models of these bursts are sketchy and tentative.
Creating science-literate citizens; Creating common standards for teaching in the U.S. Making science and engineering relevant for and accessible to all students; Developing greater interest in science among students so that more of them choose to major in science and technology in college. Overall, the guidelines are intended to;
The Nigerian Stock Exchange (NSE), now Nigerian Exchange Group, is an integrated stock exchange group in Africa founded in 1961 in Lagos.Following the demutualization of the NSE in 2021, NGX Group now has 3 subsidiaries - Nigerian Exchange Limited (NGX), the operating exchange; NGX Regulation (NGX RegCo, the independent regulation company; and NGX Real Estate (NGX RelCo).
Twin downdraft Mikuni carburetors were standard until 2008, when fuel injection became available. [3] Cycle World tested the GT250R's acceleration at 0 to 97 km/h (0 to 60 mph) in 7.6 seconds and 0.0 to 0.4 km (0 to 1 ⁄ 4 mi) in 16.06 seconds at 128.89 km/h (80.09 mph).