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Hairpin lace is a lace-making technique that uses a crochet hook and two parallel metal rods held at the top and the bottom by removable bars. Historically, a metal U-shaped eponymous hairpin was used. Hairpin lace is formed by wrapping yarn around the prongs of the hairpin lace loom to form loops, which are held together by a row of crochet ...
In the 1930s - 1940s Tenerife lace was sometimes called Polka Spider Web Lace. In the 1950s, a Koppo Cushion style of lace pillow was devised and sold. This flexible and useful pillow style is still in use today, and can be recreated using instructions and descriptions in the patent guidelines. Sample of machine lace with Teneriffe lace motif
Tatting is a technique for handcrafting a particularly durable lace from a series of knots and loops. [1] Tatting can be used to make lace edging as well as doilies, collars, accessories such as earrings, necklaces, waist beads, and other decorative pieces. The lace is formed by a pattern of rings and chains formed from a series of cow hitch or ...
Intrinsic termination. The structure of the RNA stem-loop that facilitates intrinsic termination. Intrinsic, or rho-independent termination, is a process to signal the end of transcription and release the newly constructed RNA molecule. In bacteria such as E. coli, transcription is terminated either by a rho-dependent process or rho-independent ...
Hairpin technology is a winding technology for stators in electric motors and generators and is also used for traction applications in electric vehicles. In contrast to conventional winding technologies , the hairpin technology is based on solid, flat copper bars which are inserted into the stator stack.
Stem-loop. Stem-loop intramolecular base pairing is a pattern that can occur in single-stranded RNA. The structure is also known as a hairpin or hairpin loop. It occurs when two regions of the same strand, usually complementary in nucleotide sequence when read in opposite directions, base-pair to form a double helix that ends in an unpaired loop.
In knitting, crochet and other handmade textile arts, blocking is a final stage of handmade textile production that adjusts the shape and size of the finished piece. Not all pieces need blocking; however, blocking is standard for lace work and is not uncommon in sweaters, socks, and other solid projects. Through heat and moisture, blocking sets ...
Beta hairpin. The beta hairpin (sometimes also called beta-ribbon or beta-beta unit) is a simple protein structural motif involving two beta strands that look like a hairpin. The motif consists of two strands that are adjacent in primary structure, oriented in an antiparallel direction (the N-terminus of one sheet is adjacent to the C-terminus ...