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  2. Sedimentary structures - Wikipedia

    en.wikipedia.org/wiki/Sedimentary_structures

    In the lower flow regime, the natural progression is from a flat bed, to some sediment movement (saltation etc.), to ripples, to slightly larger dunes. Dunes have a vortex in the lee side of the dune. As the upper flow regime forms, the dunes become flattened out, and then produce antidunes. At higher still velocity, the antidunes are flattened ...

  3. Nibble - Wikipedia

    en.wikipedia.org/wiki/Nibble

    The term nibble originates from its representing "half a byte", with byte a homophone of the English word bite. [4] In 2014, David B. Benson, a professor emeritus at Washington State University, remembered that he playfully used (and may have possibly coined) the term nibble as "half a byte" and unit of storage required to hold a binary-coded decimal (BCD) digit around 1958, when talking to a ...

  4. Half-carry flag - Wikipedia

    en.wikipedia.org/wiki/Half-carry_flag

    The Auxiliary Carry flag is set (to 1) if during an "add" operation there is a carry from the low nibble (lowest four bits) to the high nibble (upper four bits), or a borrow from the high nibble to the low nibble, in the low-order 8-bit portion, during a subtraction. Otherwise, if no such carry or borrow occurs, the flag is cleared or "reset ...

  5. Lower shoreface - Wikipedia

    en.wikipedia.org/wiki/Lower_shoreface

    Wave base diagram. Lower shoreface refers to the portion of the seafloor, and the sedimentary depositional environment, that lies below the everyday wave base. [1]

  6. Trickle-down effect of NIH funding battle worries healthcare ...

    www.aol.com/finance/trickle-down-effect-nih...

    Trickle-down fears. Mizuho's healthcare expert Jared Holz said the medium- to long-term concern is that the cut to indirect costs can have greater impacts.

  7. N2 chart - Wikipedia

    en.wikipedia.org/wiki/N2_Chart

    The diagram is complete when the user has compared each entity to all other entities. The N2 diagram should be used in each successively lower level of entity decomposition. Figure 1 illustrates directional flow of interfaces between entities within an N 2 diagram. (In this case, the entities are functions.)

  8. Racks and quandles - Wikipedia

    en.wikipedia.org/wiki/Racks_and_quandles

    Yet another equivalent definition of a rack is that it is a set where each element acts on the left and right as automorphisms of the rack, with the left action being the inverse of the right one. In this definition, the fact that each element acts as automorphisms encodes the left and right self-distributivity laws, and also these laws:

  9. Lower mantle - Wikipedia

    en.wikipedia.org/wiki/Lower_mantle

    The high pressure in the lower mantle has been shown to induce a spin transition of iron-bearing bridgmanite and ferropericlase, [5] which may affect both mantle plume dynamics [6] [7] and lower mantle chemistry. [5] The upper boundary is defined by the sharp increase in seismic wave velocities and density at a depth of 660 kilometers (410 mi). [8]