2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Thaum tus dej khov nab kuab (lub npe hu ua Ötzi tom qab Ötzal Alps qhov chaw nws pom) tau pom los ntawm ob tus neeg taug kev hauv South Tyrol, Ltalis, xyoo 1991, nws tau pw ntsej muag hauv frozen gully. Nws tau raug tua ntau dua 5,000 xyoo ua ntej - tua tom qab nrog tus xub - tab sis cov dej khov nab kuab khaws cia nws lub cev tuag.
Ötzi lub cev tam sim no nyob qhov twg?
Nws lub cev thiab cov khoom raug tso tawm hauv South Tyrol Tsev khaws puav pheej ntawm Archaeology hauv Bolzano, South Tyrol, Ltalis.
Yuav pom dab tsi nrog Ötzi thaum nws tuag?
Thaum Ötzi tus Iceman tuag 5, 300 xyoo dhau los, nws tau mus rau nws qhov chaw so zaum kawg nrog rau ntawm tsawg 75 hom mosses thiab liverworts. Tam sim no, kev tshawb fawb tshiab pom tias qhov zoo li qhov tsis zoo no qhia txog cov ntsiab lus ntawm Ötzi txoj kev mus kawg.
Thaum twg lawv pom Ötzi tus Iceman?
Otzi tseem nyob hauv tib txoj haujlwm uas nws tau pom. Ib tug pej thuam sawv cev rau Otzi lub Tyrolean Iceman, pom nyob rau hauv 1991hauv Italian Schnal Valley glacier, yog tso tawm ntawm South Tyrol Tsev khaws puav pheej ntawm Archaeology hauv Bolzano, Ltalis.
Leej twg pom Ötzi lub Iceman lub cev?
Ötzi tau tshawb pom los ntawm ob peb tus neeg German Helmut thiab Erika Simon, rau hnub Thursday lub Cuaj Hlis 19 1991. Nws lub cev sab saud tau tawm ntawm cov dej khov hauv qhov gully ntawm 3200 m hauv lub Tisenjoch hla ntawm Italian sab ntawm Italian / Austrian ciam teb.
Pom zoo:
Puas yog cov dej khov ntev ntev dua li cov dej khov nab kuab?
Lwm qhov sib txawv loj ntawm glacials thiab interglacials yog cov kev hloov hauv dej hiav txwv. Thaum lub sij hawm glacial, cov dej hiav txwv poob qhov nruab nrab ntawm 100m raws li cov dej evaporated thiab khaws cia rau hauv cov glaciers loj hlob thiab cov ntawv dej khov.
Tus poj niam dig muag yog leej twg nyob rau hauv dej khov?
Libby Clegg yog thawj tus neeg dig muag kev sib tw uas tau koom nrog Dancing On Ice, thiab Paralympian tau ua qhov kawg. Yog Libby Clegg tus txiv dig muag? Impressively, Dan sawv cev Tebchaws Askiv hauv judo ntawm 2012 Paralympic Games hauv London.
Lub sijhawm khov dej rau hauv dej khov?
Thaum 1 mol dej ntawm 0 ° C khov rau dej khov ntawm 0 ° C, 6.01 kJ ntawm cov cua sov tawm mus rau ib puag ncig. Lub molar heats ntawm fusion heats ntawm fusion Lub latent cua sov ntawm fusion yog qhov hloov pauv ntawm cov khoom siv thaum nws yaj.
Puas khov tsis muaj dej khov khov?
Lub kaw-off valve ua haujlwm hauv qab kab te. Dej tsis tuaj yeem khov vim thaum nws kaw, tag nrho cov dej hauv cov kav dej tso tawm ib lub qhov hauv lub valve uas tau teem rau hauv av hauv qab kab te. Can Frost-free faucets freeze? Ib lub faucet tsis muaj dej khov yog tsim lostiv thaiv dej los ntawm khov hauv cov yeeb nkab lossis lub valve thiab ua rau nws puas.
Qhov twg yog dej khov lossis dej khov?
Dej khov tsawg dua dej Qhov no yog vim dej khov qhov ntom ntom tsawg dua li cov dej ntom ntom. Thaum khov, qhov ntom ntawm cov dej khov txo qis li ntawm 9 feem pua. Vim li cas dej thiaj ntom dua dej khov? "cov khoom" (molecules) hauv dej yog ntim nruj dua li hauv dej khov, yog li dej muaj qhov ntom ntom dua li dej khov.
