wild silk वाक्य
उदाहरण वाक्य
मोबाइल
- Several kinds of wild silk, which are produced by caterpillars other than the mulberry silkworm, have been known and used in China, South Asia, and Europe since ancient times.
- The leaves are used as food by " Antheraea paphia " ( silkworms ) which produce the tassar silk ( Tussah ), a form of commercially important wild silk.
- The cocoon shells of wild silk moths are toughened or stabilized either by tanning ( cross-linking ) or by mineral reinforcements ( e . g . calcium oxalate ).
- Recently, a new method has been developed, demineralizing, which can remove the mineral reinforcements present in wild silks and enables wet reeling like the commercial silkworm " Bombyx mori ".
- There are significant indications in the literature that wild silks were in use in Persia and in Greece by the late 5th century BCE, apparently referred to as " Amorgina " or " Amorgian garments " in Greece.
- The leaves of " Madhuca indica " ( = " M . longifolia " ) are fed on by the moth " Antheraea paphia ", which produces tassar silk, a form of wild silk of commercial importance in India.
- The larvae of a wild silk worm " Anaphe venata " are being consumed in a rain forest district of Nigeria as a supplemental protein nutrition, and the heat resistant thiaminase in it is causing an acute seasonal cerebellar ataxia.
- "We often see that things are becoming rare, but it's difficult to know why, " said Dr . Michael Collins, an evolutionary biologist with the Carnegie Museum in Pittsburgh and an author of " The Wild Silk Moths of North America ."
- The species has become notable for producing a fine quality wild silk in its demineralizing using a warm solution of EDTA ( ethylenediaminetetraacetic acid ), softening the cocoons by dissolving the sericin, permitting the silk to be unravelled with no appreciable loss of strength.
- The originating source seems sufficiently reliable, but silk degrades very rapidly, so it cannot be verified whether it was cultivated silk ( which would almost certainly have come from China ) or a type of " wild silk ", which might have come from the Mediterranean region or the Middle East.
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