Gallium thermometers: momwe mungasankhire yabwino kwambiri?

Zida za Gallium

Chida choyamba kuyeza kutentha idapangidwa ndi Galileo Galilei ndipo poyamba adabatizidwa ngati thermoscope. Thermoscope inali chubu chagalasi chokhala ndi gawo lotsekedwa kumapeto kwake komwe kumizidwa mumadzi osakanikirana ndi mowa womwe umatenthedwa kotero kuti unakwera chubu pomwe panali manambala.

Kuyambira pamenepo, thermometer ya Galileo Galileo yasintha kuti igwirizane ndi mitundu yonse ya miyezo, pokhala mercury thermometer (yopangidwa ndi Gabriel Fahrenheit mu 1714) imodzi mwazomwe zimagwiritsidwa ntchito kwambiri padziko lapansi kuyeza kutentha kwa thupi. Komabe, chifukwa cha kawopsedwe kake, kapangidwe kake nkoletsedwa m'maiko ambiri.

Ngakhale anthu ambiri amadalirabe ma mercury thermometer kuti adziwe kutentha kwa thupi, ndizovuta kuzipeza pamsika. Njira imodzi yothetsera vutoli ndi kugwiritsa ntchito ma digito a digito, ngakhale nthawi zina amamva kuti nthawi iliyonse akagwiritsa ntchito amapereka muyeso wina mosiyana ndi ma thermometer achikhalidwe a mercury.

Ngati ma thermometer a digito sanakutsimikizireni, yankho ndi kugwiritsa ntchito gallium thermometers, awa kukhala njira yabwino kwambiri poyerekeza ndi ya moyo wonse. Gallium thermometers, monga mercury thermometers, amaonedwa kuti ndi olondola kwambiriChoyipa chawo chachikulu ndi nthawi yayitali yofunikira kuti mupeze muyeso wolondola, kuphatikiza pakupangidwa kwa magalasi, motero amakhala osalimba pakugwa komwe kungachitike.

Kodi gallium ndi chiyani

Kodi gallium ndi chiyani

Monga ndanenera pamwambapa, mercury idasiya kugwiritsidwa ntchito popanga ma thermometers mu 2007, European Union analetsa chifukwa cha kuchuluka kwa kawopsedwe osati anthu okha, komanso chilengedwe.

M'malo mwa mercury mu thermometers anali gallium, m'malo galinstane (galinstan mu Chingerezi: gallium, inanapereka ndi stannum), alloy of gallium (68,5%), indium (21,5%) ndi malata (10%) omwe amapereka kulondola kofanana kwambiri ndi zomwe titha kupeza mu mercury thermometers.

Gallium amagwiritsidwa ntchito m'malo opangira zida za nyukiliya kuti akhazikitse plutonium, mkati mwa ma telescope kuti mupeze ma neutrinos, amapezeka m'mitundu ina yamagalasi ndi magalasi, itha kugwiritsidwa ntchito ku aluminium kuti ipange hydrogen pochita ndi madzi, imagwiritsidwa ntchito pochiza anthu okhala ndi calcium yochulukirapo m'magazi ...

Ubwino wa gallium thermometers

Ubwino wa gallium thermometer

Ubwino wa gallium thermometers ndizofanana ndi zomwe titha kuzipeza m'makina a mercury ndipo imagwira ntchito kuma thermometers ambiri osakhala digito.

  • Kukhazikika pakapita nthawi. Monga ma mercury thermometers, nthawi ya gallium thermometers ndiyopanda malire, ndiye kuti imagwira ntchito ngati tsiku loyamba bola ngati sizingasweke.
  • El cholakwika ndi 0,1 ° C.
  • Popanda kuphatikiza mercury, iwo ali zisathe zachilengedwe ndipo akhoza zobwezerezedwanso mosavuta.
  • Ngakhale pali mitengo yonse, yonse, ilipo wotchipa kuposa ma digito a digito.
  • Kuyeretsa kosavuta, popeza ndi sopo pang'ono titha kuchepetsa galasi.

Momwe Gallium Thermometers Amagwirira Ntchito

Momwe Gallium Thermometers Amagwirira Ntchito

Kugwiritsa ntchito ma gallmeter thermometers ndikofanana ndi ma mercury thermometers. Chinthu choyamba kuwunika musanachiyike pamalo oyesera ndicho madzi mkati ndi pansi 36 madigiri kuigwedeza mobwerezabwereza mpaka itafika pamlingo umenewo.

Kenako timayika m'thupi momwe timafunikira kuyeza, makamaka mkamwa, m'khwapa kapena m'matumbo ndi tinkadikirira osachepera mphindi 4. Mosiyana ndi ma digito a digito omwe amayesa masekondi, gallium thermometers (monga ma mercury) amafunika mphindi zochepa kuti apange muyeso wolondola.

Tikapeza muyeso wofanana nawo tiyenera kuyeretsa thermometer ndi sopo wamanja ndi kuigwedeza mobwerezabwereza mpaka gallium ili pansi pa madigiri 36 ndikuisunga munthumba lolingana m'malo ozizira, opumira, otetezedwa ku dzuwa.

Zomwe zimachitika galasi ya thermometer ikasweka

Mercury vs gallium thermometer

Gallium Thermometers zopangidwa ndi magalasiChifukwa chake, zikagwa mwangozi, zitha kusweka ndikukhala zopanda ntchito kwenikweni, kutikakamiza kugula yatsopano.

Ponena za zomwe zili mkatimo, gallium si mankhwala owopsa ngati kuti ndi mercury yomwe imapezeka mu ma thermometer oyamba omwe adapangidwa mpaka pakati pa 2007 ku Europe.

Ngati tili ndi chidwi chokhudza gallium, tikapeza kuti imakhudzana ndi khungu idzatha chifukwa cha mtundu wa thupi. Zomwezo zimachitikanso thermometer yomwe imagwiritsa ntchito mowa wachikuda kuti muyeso wa kutentha utuluke. Ndi zotsalira za thermometer, pokhala galasi, titha kuyibwezeretsanso mu chidebe chofananira chokonzanso.

Kodi galamu thermometer yogula chiyani

Kumene mungagule thermometer ya gallium

Mosiyana ndi ma mercury thermometers, gallium thermometers Sizofanana chifukwa chilichonse chimapereka magwiridwe antchito. Ngati tifunafuna ma gallmeter abwino kwambiri, tiyenera kuganizira mikhalidwe yomwe limatipatsa komanso zomwe zimawapangitsa kukhala osiyana ndi ena onse.

Pogula thermometer ya gallium, tiyenera kukumbukira kuti galasi osaphatikizapo zinthu zakupha ndikuti sanapangidwe ndi zinthu zapulasitiki, chifukwa izi sizitipatsa muyeso wolondola. Ngati imapangidwanso ndi zida zotsutsa-allergenic, ndibwino.

Tikamachepetsa kutentha kuti tikatengenso muyeso kapena kuubwezeretsanso, tiyenera kugwedeza thermometer. Mitundu ina kuphatikiza dongosolo lotchedwa shaker, yomwe imalola kuti igwedezeke mwachangu komanso momasuka, popewa panthawiyi imatha kudumpha mlengalenga.

Muyeso wa ma thermometer onse ili pakati pa 35,5 ndi 42 madigiri, chotero ngati tapeza mitundu yomwe ingatipatse gawo lokulirapo, sitiyenera kuwakhulupirira, popeza kutentha kwa thupi la thupi kumangopezeka pakati pazocheperapo ndi zochepa

Mbali ina yomwe tiyenera kukumbukira tikamagula gallium thermometer ndi ngati ili ndi mandala omwe amachititsa kukhala kosavuta kuwerenga kutentha. Thermometers sanazindikiridwepo popanga muyeso wosavuta kuwona makamaka chifukwa cha kukula kwake, chifukwa chake ngati ikuphatikiza mandala omwe amachititsa kuti ikhale yosavuta kuwerenga nthawi zonse amayamikiridwa.


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  1. Wotsogolera pazosankhazi: Miguel Ángel Gatón
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