Raws li kev tshawb fawb mus sij hawm ntev los ntawm zologists, poj niam yoov tshaj cum xav tau kev noj zaub mov ntxiv hauv ib lub lis piam tom qab mating kom tiav ovulate thiab tsim qe, uas txhais tau hais tias poj niam yoov tshaj cum yuav tom thiab nqus ntshav tsuas yog tom qab cev xeeb tub.Thaum lub sij hawm no, cov yoov tshaj cum poj niam tsis tuaj yeem ua phooj ywg nrog txiv neej yoov tshaj cum, txwv tsis pub nws yuav cuam tshuam rau kev tsim khoom thiab txawm tias muaj kev txhawj xeeb txog lub neej.Nyob rau lub sijhawm no, cov poj niam yoov tshaj cum yuav sim lawv qhov zoo tshaj plaws kom tsis txhob muaj yoov tshaj cum txiv neej.Qee cov tshuaj tua kab mob ultrasonic simulate lub suab nthwv dej ntawm ntau tus txiv neej yoov tshaj cum tis.Thaum cov yoov tshaj cum ntshav hnov cov suab nrov saum toj no, lawv yuav khiav tam sim ntawd, yog li ua tiav cov txiaj ntsig ntawm kev tshem tawm yoov tshaj cum.
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm ultrasound yog tias cov nthwv dej ntau zaus yog tsim los ntawm hluav taws xob hloov zaus.Qhov no high-frequency nthwv dej tsis yog ib tug arbitrary siab zaus, tab sis ib tug tshwj xeeb zaus, uas feem ntau yog tib yam li cov zaus ntawm dragonfly tis vibration los yog lub zaus emitted los ntawm puav, uas yog mus xyaum lub zaus.Ultrasound emitted los ntawm yoov tshaj cum predators.Qhov zaus uas tib neeg lub pob ntseg hnov tau yog 20-20,000 Hz, thiab ultrasonic zaus siab dua 20,000 Hz.Nws yog qhov tsis ncaj ncees lawm kom tsuas yog xav tias cov nthwv dej ultrasonic tsis tuaj yeem hnov los ntawm tib neeg, lossis tias lawv tsis muaj mob.Cov qauv ntawm tib neeg lub cev yog complex.Yuav muaj kev cuam tshuam, tshwj xeeb tshaj yog rau cov poj niam cev xeeb tub, thiab cov menyuam yaus yuav muaj hluav taws xob me ntsis.
Lub hauv paus ntsiab lus ntawm ultrasonic yoov tshaj cum yog siv lub suab nrov zaus ntawm yoov tshaj cum los txhawb cov yoov tshaj cum kom dim, thiaj li ua tiav lub hom phiaj ntawm kev tshem tawm yoov tshaj cum.Lub suab nthwv dej zoo li no tsis tsim kev puas tsuaj rau tib neeg lub cev, vim tias lub suab nthwv dej zoo li no tsis yog xob laim.Thaum yoov tshaj cum ya, thaum cov tis tsoo cov huab cua molecules, lub recoil quab yuam ntawm cov huab cua molecules nce, ua rau nws nyuaj rau yoov tshaj cum ya, yog li ntawd lawv yuav tsum tau khiav ceev ceev.Lub suab nthwv dej no muaj kev cuam tshuam rau tib neeg, tab sis nws tsis cuam tshuam rau tib neeg kev noj qab haus huv.
Post lub sij hawm: Mar-24-2022