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A much simpler interpolation scheme for approximating the electronic band structure, especially for the d-bands of transition metals, is the parameterized tight-binding method conceived in 1954 by John Clarke Slater and George Fred Koster, [1] sometimes referred to as the SK tight-binding method. With the SK tight-binding method, electronic ...
A third method, called combination knitting, goes through the front of a purl stitch and the back of a knit stitch. [24] Once the hand knitted piece is finished, the remaining live stitches are "cast off". Casting (or "binding") off loops the stitches across each other so they can be removed from the needle without unravelling the item.
Tunisian crochet or Afghan crochet is a type of crochet that uses an elongated hook, often with a stopper on the handle end, called an Afghan hook. It is sometimes considered to be a mixture of crocheting and knitting. [1] As such, some techniques used in knitting are also applicable in Tunisian crochet. One example is the intarsia method.
Single-piece afghans are the simplest style to make and are especially popular with beginners. Mile-a-minute afghans are usually made in many separate strips, with a minimum of stitches per strip, and then the strips are joined. [7] Join-as-you-go afghans are made up of many different pieces, one of which begins where the last leaves off.
The constrictor knot is appropriate for situations where secure temporary or semi-permanent binding is needed. Made with small-stuff it is especially effective, as the binding force is concentrated over a smaller area. When tying over soft material such as the neck of a bag, take care to keep the wraps of the knot together.
Nålebound socks from Egypt (300–500 AD) Mittens done in "nålebinding" Swedish nålebinding mittens, late 19th century. Nålebinding (Danish and Norwegian: literally 'binding with a needle' or 'needle-binding', also naalbinding, nålbinding, nålbindning, or naalebinding) is a fabric creation technique predating both knitting and crochet.
The Density Functional Based Tight Binding method is an approximation to density functional theory, which reduces the Kohn-Sham equations to a form of tight binding related to the Harris functional. The original [ 1 ] approximation limits interactions to a non-self-consistent two center hamiltonian between confined atomic states.
The swaddling clothes of medieval Madonna and Child paintings are now replaced with cotton receiving blankets, cotton muslin wraps, or specialised "winged" baby swaddles. . Modern swaddling is becoming increasingly popular today as a means of settling and soothing irritable infants and helping babies sleep longer with fewer awakeni