In this stage, a hairy silkworm arises after the eggs crack. Basically, the growth of the silkworms happens in this stage. Silkworms feed on mulberry leaves and consume a large amount of these leaves for around 30 days before proceeding to the next stage. Stage 3: Cocoon In this stage, s...
a许多农民靠养蚕致富 Many farmers depend on raise silkworms become rich [translate] anever kiss or put your face down close to a dog's face 不要亲吻也不要投入您的面孔下来紧挨狗的面孔[translate] amorphologic background filtering 形态背景过滤[translate] ...
Silk is a soft, lustrous thread or fabric made from the fibers produced by silkworms. A branded lyocell fiber produced by Lenzing, Tencel® is made from eucalyptus grown in sustainably managed forests. It has a similar feel to rayon. ...
(1) Twig frames for the silkworms are prepared. (2) The cocoons are weighed. (3) The silkworms and mulberry leaves are placed on trays. (4) The silk is woven using a loom. (5) The cocoons are soaked and the silk is wound on spools. 选项: A:(2)(3)(1)(5)(4) B:(3)(2)...
Metamorphosis happens to most insects at some stage of their life. One type of metamorphosis is incomplete metamorphosis, called hemimetabolous metamorphosis. After hatching from eggs the juvenile insects look like miniature adults. They simply molt, or shed their exoskeletons, till they reach the ad...
in any field of human activity, whether sailing in Portugal or growing silkworms in China, was simply what worked — the kind of knowledge discovered only through painful trial and error. Anything beyond that was accepted on faith or delegated to the realm of philosophical and religious ...
experiment, since previous studies have shown that diet can play a role in the properties of silk. This has been most widely studied among silkworms, most notably in a 2013 study that found silkworms fed on mulberry leaves that had been sprayed with fabric dyeswent on to produce colored silk...
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There’s no limit to the questions we’d have to answer to know where, how, or even if the universe ends. But all evidence suggests that we’re not just suspended in some free-form void: Space bends around anything with mass the way a trampoline sags under a dropped ball; black holes...