Vim li cas cov plhaub ua pearls?

Cov txheej txheem:

Vim li cas cov plhaub ua pearls?
Vim li cas cov plhaub ua pearls?

Video: Vim li cas cov plhaub ua pearls?

Video: Vim li cas cov plhaub ua pearls?
Video: Ob zaj dab neeg By Nquab Tsab New Song 2023 2024, Hlis ntuj nqeg
Anonim

Pearls yog tsim nyob rau hauv lub plhaub ntawm tej yam mollusks raws li ib tug tiv thaiv mechanism tiv thaiv ib tug muaj peev xwm hem hemxws li cab kab mob hauv lub plhaub, los yog kev tawm tsam los ntawm sab nraud uas ua rau lub mantle ntaub so ntswg. Lub mollusk tsim ib lub hnab pearl los kaw qhov khaus.

Vim li cas cov plhaub muaj pearls?

Pearls yog tsim los ntawm marine oysters thiab cov dej qab zib raws li kev tiv thaiv ntuj tsim tawm tsam xws li kab mob cab nkag mus rau hauv lawv lub plhaub lossis kev puas tsuaj rau lawv lub cev tsis muaj zog… Qhov no tsim cov khoom hu ua nacre, tseem hu ua niam-ntawm-pearl, uas encases lub irritant thiab tiv thaiv lub mollusc los ntawm nws.

Pob oysters mob thaum ua pearls?

Hloov chaw, oyster tuaj yeem hnov mob rau kev ua phem lossis kev hloov pauv ib puag ncig, tab sis nws tsis muaj qhov system ua rau muaj kev mob tshwm sim raws li cov kab mob xa mus (xws li tib neeg, npua lossis lobster) ua. oysters puas mob? Nyob zoo ib tsoom niam txiv kwv tij neej tsas sawv daws.

Yuav ua li cas oysters ua pearls?

Oysters ua pearls teb rau qhov khaus, xws li cov xuab zeb lossis lwm yam khoom. Thaum muaj kev khaus khaus ua rau nws txoj hauv kev nruab nrab ntawm mollusk lub plhaub thiab mantle, tus tsiaj tsim cov nacre, txheej tiv thaiv uas pab txo qhov khaus.

Pob oysters tua kom tau pearls?

Txhob pearl yuav tsum qhib lub plhaub uas tua tau ntau hom oysters. Muaj qee hom uas tuaj yeem tsim tau ntau dua ib lub hlaws. Cov no raug txiav kom zoo dua thiab tso rov qab rau hauv dej yog tias lub hlaws zoo.

Pom zoo: