Yog tias koj tau ntsib nrog cov ncauj lus ntawm kev tshem tawm cov quav rau ib ntus, koj tau hnov txog cov khoom siv ultrasonic. Cov cuab yeej zoo li no yog npaj los tshem tawm cov kab thiab nas nyob hauv tsev. Tab sis txoj kev no puas ua haujlwm tiag?
Koj puas tuaj yeem tshem tau cov wasps nrog ultrasound?
Ultrasonic cov cuab yeej tuaj yeem tiv thaiv cov kab mob los ntawm qhov chaw so ntawm patios, tab sis lawv tsis zoo rau cov zes uas twb muaj lawm. Qhov ntau ntawm cov cuab yeej raug pom zoo rau qhov loj tshaj plaws tau txo qis hauv cheeb tsam.
Frequency uas tsuas yog ib txhia hnov
Peb hu cov zaus ultrasound uas siab tshaj peb qhov kev nkag siab txog kev xav. Txawm li cas los xij, lwm yam kab mob tuaj yeem hnov cov cheeb tsam no. Ntau tus kuj siv ultrasound zaus tshwj xeeb rau kev sib txuas lus thiab kev taw qhia. Cov no suav nrog, piv txwv li:
- Qee hom whales
- Bats
- Ntsuab nas
Whales thiab bats paub tias emit ultrasonic nrhiav kev hu mus nrhiav kev cuam tshuam los yog prey.
Tab sis lwm cov neeg sawv cev ntawm cov tsiaj ntiaj teb no kuj tau txais ultrasound zaus, txawm tias lawv tsis siv lawv tus kheej. Koj tseem tuaj yeem hnov lawv. Cov no feem ntau suav nrog kab. Piv txwv li, qee cov npauj, yoov tshaj cum los yog waps.
Ultrasonic pab kiag li lawm tiv thaiv kab kab kab
Lub suab nrov uas cov khoom siv ultrasonic tsim tau hais tias yog qhov tsis txaus siab tshwj xeeb rau cov kab tsuag uas lawv tab tom sim tshem tawm. Cov cuab yeej zoo li no feem ntau muaj tawm tsam nas, nas lossis martens, tab sis tsis tshua muaj tawm tsam yoov tshaj cum thiab qwj.
Effect los tsis?
Hmoov tsis zoo, zoo li ntau lwm txoj hauv kev kom tshem tau cov quav, cov khoom siv ultrasound tsis muaj kev cuam tshuam rau kev ua tau zoo. Muaj kev sib txawv ntawm cov neeg siv thaum siv tawm tsam nas lossis martens hauv qab nthab. Txhawm rau kom cov tsiaj nyob deb deb thaum ntxov, piv txwv li ua ntej lawv tau txiav txim siab tiag tiag, lub suab yeej zoo li cuam tshuam.
Thiab qhov no kuj siv tau rau wasps: Wasps yuav tsis tawm ntawm lub zes uas twb muaj lawm yog tias koj nruab ib lub tshuab ultrasound ncaj qha hauv qab nws. Lawv lub neej luv dhau rau qhov ntawd thiab cov haujlwm muab tso rau hauv lub zes yog qhov tseem ceeb heev.
Ib qho khoom siv ultrasonic tuaj yeem ua kom cov neeg nyob deb ntawm kev cuam tshuam koj thaum koj so ntawm terrace. Tab sis nws nyuaj heev thaum so nrog cov zaub mov - tshaib plab tsis tuaj yeem zam lub rooj uas muaj qhib jelly jars, hnyuv ntxwm daim phiaj thiab ncuav txiv hmab txiv ntoo. Txhawm rau tsim kom muaj qhov dav dav ntawm thaj chaw qis qis nyob ib puag ncig koj li sai tau, koj yuav tsum xyuas kom meej tias lub cuab yeej muaj qhov ntev.
Txij li thaum nas, nas thiab lwm yam nas xws li luav ntes tau ultrasonic zaus raws li tau hais los saum no, cov tswv ntawm cov tsiaj no yuav tsum tsis txhob siv cov khoom siv ultrasonic los tua cov wasps.
