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Although the most common types of self-healing materials are polymers or elastomers, self-healing covers all classes of materials, including metals, ceramics, and cementitious materials. Healing mechanisms vary from an instrinsic repair of the material to the addition of a repair agent contained in a microscopic vessel.
The common name "self-heal" derives from the use of some species to treat a range of minor disorders. Self-heal can be grown from seed, or by dividing clumps in spring or autumn. Species [1] Prunella albanica Pénzes – Albania; Prunella × bicolor Beck – parts of Europe (P. grandiflora × P. laciniata)
Prunella vulgaris grows 5–30 cm (2.0–11.8 in) high, [8] with creeping, self-rooting, tough, square, reddish stems branching at the leaf axes. [ 9 ] The leaves are lance-shaped, serrated and reddish at the tip, about 2.5 cm (0.98 in) long and 1.5 cm (0.59 in) broad, and growing in opposite pairs down the square stem. [ 9 ]
Below, find seven sensual self-love kits for the Valentine who deserves it most: You! 7 Self-love kits for a romantic solo V-Day 1. Le Wand Little Pleasures Set, $145. Photo: Le Wand.
Self-healing refers to the process of recovery (generally from psychological disturbances, trauma, etc.), motivated by and directed by the patient, guided often only by instinct. Such a process encounters mixed fortunes due to its amateur nature, although self-motivation is a major asset.
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Self-healing hydrogels are a specialized type of polymer hydrogel.A hydrogel is a macromolecular polymer gel constructed of a network of crosslinked polymer chains. Hydrogels are synthesized from hydrophilic monomers by either chain or step growth, along with a functional crosslinker to promote network formation.
This pattern design is similar to the Mande people's religious concepts that evil spirits travel in a straight path, and to protect oneself from evil spirits, broken lines, and fragmented shapes are sewn into fabrics and quilts. [175]