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The OSN (Olimpiade Sains Nasional), previously KSN (Indonesian: Kompetisi Sains Nasional) is a science competition for Indonesian students held by the Indonesian Ministry of Education and Culture. This competition consists of a few competitions for elementary school (SD) students, junior high school (SMP) students, and senior high school (SMA ...
Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge.Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations.
where is the length of the conductor, measured in metres [m], A is the cross-section area of the conductor measured in square metres [m 2], σ is the electrical conductivity measured in siemens per meter (S·m −1), and ρ is the electrical resistivity (also called specific electrical resistance) of the material, measured in ohm-metres (Ω·m ...
The value for elementary charge, when expressed in SI units, is exactly 1.602 176 634 × 10 −19 C. [1] After discovering the quantized character of charge, in 1891, George Stoney proposed the unit 'electron' for this fundamental unit of electrical charge. J. J. Thomson subsequently discovered the particle that we now call the electron in 1897.
Pentasil-zeolites are defined by their structure type, and more specifically by their X-ray diffraction patterns. ZSM -5 is the trade name of a pentasil-zeolite. As early as 1967, Argauer and Landolt worked out parameters for the synthesis of pentasilzeolites, particularly those relating to the following molar ratios: OH − /SiO 2 = 0.07–10, SiO 2 /Al 2 O 3 = 5–100, H 2 O/SiO 2 = 1–240. [1]
Sekolah Menengah Sains Muzaffar Syah (English: Muzaffar Syah Science Secondary School; known by its acronym MOZAC) is the first science school in the state of Malacca, Malaysia. It was established in 1973 under the Second Malaysia Plan as the first boarding school ( Sekolah Berasrama Penuh ) in the state.
In five-dimensional geometry, a 5-simplex is a self-dual regular 5-polytope.It has six vertices, 15 edges, 20 triangle faces, 15 tetrahedral cells, and 6 5-cell facets.It has a dihedral angle of cos −1 ( 1 / 5 ), or approximately 78.46°.
Alam Shah Science School (abbreviated as ASiS; Malay: Sekolah Menengah Sains Alam Shah) is a boarding science secondary school located in Bandar Tun Razak, Kuala Lumpur, Malaysia. The school was established on 16 June 2003 at the former site of Sultan Alam Shah School, which was relocated to Putrajaya. [2]