Describe briefly how silk is produced
WebNov 24, 2024 · Silk is a beautifully lustrous fabric made from an animal fiber with the same name. It is the finest of all natural fibers and one of the strongest. Silk is regularly used to make garments, accessories, home … WebDec 7, 2011 · The process is called sheering. A sheering specialist can sheer 200 sheep in a day. A ewe, or female sheep, can produce up to 15 pounds of wool. A ram, or male sheep, can 20 pounds of wool. The sheared wool is called raw wool and since sheep don’t take showers, it must first be cleaned.
Describe briefly how silk is produced
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Websilk moth, then the cocoon splits up and a beautiful silk moth comes out . The adult female silk moth then lays more eggs. 4. Describe briefly how silk is produced. Solution The silkworms climb the twigs placed near them and spin cocoons of silk fibres. The silkworms enclose themselves completely inside the silken cocoons in two or three days . WebMar 18, 2024 · To make the polymer known as nylon, diamine acid is forced to enter into a reaction with adipic acid. This type of polymer is commonly known as PA 6,6, and it was the first type of polymer to be used for nylon fabric. PA 6,6 is a type of substance called a nylon salt, and this crystallized substance is then heated to form a molten substance.
WebAnalysis of silk production distribution worldwide has shown that China is the largest producer of silk, producing 79.1% of the total worldwide raw silk production. India is the … Silk is a natural protein fiber, some forms of which can be woven into textiles. The protein fiber of silk is composed mainly of fibroin and is produced by certain insect larvae to form cocoons. The best-known silk is obtained from the cocoons of the larvae of the mulberry silkworm Bombyx mori reared in captivity (sericulture). The shimmering appearance of silk is due to the triangular prism-like structu…
Web11 rows · Silk producers may perform a variety of post-production processes to create silk yarn that has ... WebApr 22, 2024 · Silk was discovered around 3500 BC in China. For a long period of time, silk was shipped to other parts of the world through trade. Technological advancement and …
WebMar 13, 2024 · Silk is a natural protein fiber produced by the larvae of certain specific insects like caterpillars of moths. It is mainly composed of fibroin. There are 4 natural silk varieties, namely...
WebSilk is also not a great insulator so any accumulated charges can spread out and dissipate. Clean glass is an excellent insulator so any charges do not move around much and can accumulate. My guess is that the point of rubbing contact on the silk very quickly looses its excess charge to the surrounding material and air, so by the time you bring ... city dosenWebJun 4, 2014 · The various steps involved are: (i) Rearing of silkworms: A female silk moth lays hundreds of eggs at a time. The eggs are stored by the farmers at suitable … city doors and moreWebThe production of silk generally involves two processes: The silkworm caterpillar builds its cocoon by producing and surrounding itself with a long, continuous fibre, or filament. Liquid secretions from two large glands … city donuts reedley menuWebBriefly describe an organization (other than Apple) that has produced an innovative product or service. Then, explain why you think the product or service is innovative. Finally, explain why some organizations are able to produce innovative products and/or services while others are not. In other words, what are the organizational conditions ... city doral buiding formWebsericulture, the production of raw silk by means of raising caterpillars (larvae), particularly those of the domesticated silkworm (Bombyx mori). The production of silk generally involves two processes: The silkworm … city door san franciscoWebDec 22, 2024 · The process of silk production is known as sericulture. This process is divided into several stages but typically starts from cultivating silkworms on mulberry leaves. The female silkworm lays 300-400 eggs … dictionary\\u0027s 44WebSep 1, 2024 · The process of silk production is known as sericulture. During its 3 to 8 day pupation period, the silkworm secretes fibroin, a sticky liquid protein, from its salivary glands. Next, the silkworm secretes sericin, a bonding agent, from two other glands to hold the two filaments together. While constructing its cocoon, the silkworm will twist in ... dictionary\u0027s 44