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The first ever recorded incursion by Arabs in India occurred around 636/7 AD, during the Rashidun Caliphate, long before any Arab army reached the frontier of India by land. [14] Uthman ibn Abi al-As al-Thaqafi , the governor of Bahrain and Oman, had dispatched naval expeditions against the Sasanian coast, and further east to the borders of ...
Most of the remainder of Genesis is from the Yahwist, but P provides the covenant with Abraham (chapter 17) and a few other stories concerning Abraham, Isaac and Jacob. [44] The book of Exodus is also divided between the Yahwist and P, and the usual understanding is that the Priestly writer(s) were adding to an already-existing Yahwist ...
[14] Most researchers define Avialae as branch-based clade, though definitions vary. Many authors have used a definition similar to "all theropods closer to birds than to Deinonychus ", [ 15 ] [ 16 ] with Troodon being sometimes added as a second external specifier in case it is closer to birds than to Deinonychus . [ 17 ]
[14] [15] [16] The standard became so widely used that almost every 8-bit machine released after 1982 used it, and adapters were available for those that did not, like the Apple II and ZX Spectrum. [ 17 ] [ 18 ] [ 19 ] One TI-99/4A reseller reported that its best-selling product was the Atari joystick adapter. [ 20 ]
The analytical solution of SV-wave in a half-space indicates that the plane SV wave reflects back to the domain as a P and SV waves, leaving out special cases. The angle of the reflected SV wave is identical to the incidence wave, while the angle of the reflected P wave is greater than the SV wave.
[14] Ambiguous figures demonstrate that a single stimulus can result in more than one percept. For example, the Rubin vase can be interpreted either as a vase or as two faces. The percept can bind sensations from multiple senses into a whole.
A square matrix is called a projection matrix if it is equal to its square, i.e. if =. [2]: p. 38 A square matrix is called an orthogonal projection matrix if = = for a real matrix, and respectively = = for a complex matrix, where denotes the transpose of and denotes the adjoint or Hermitian transpose of .
Chemist Linus Pauling first developed the hybridisation theory in 1931 to explain the structure of simple molecules such as methane (CH 4) using atomic orbitals. [2] Pauling pointed out that a carbon atom forms four bonds by using one s and three p orbitals, so that "it might be inferred" that a carbon atom would form three bonds at right angles (using p orbitals) and a fourth weaker bond ...