Nyob rau xyoo 1960 tus kws tshawb fawb neeg Asmeskas hu ua?

Cov txheej txheem:

Nyob rau xyoo 1960 tus kws tshawb fawb neeg Asmeskas hu ua?
Nyob rau xyoo 1960 tus kws tshawb fawb neeg Asmeskas hu ua?
Anonim

Harry Hammond Hess, tus kws tshaj lij ntawm geology ntawm Princeton University, tau muaj txiaj ntsig zoo hauv kev teeb tsa theem rau txoj kev xav ntawm phaj-tectonics tshwm sim thaum ntxov 1960s.

Harry Hess nrhiav tau dab tsi?

Harry Hess yog ib tug kws tshawb fawb geologist thiab Navy submarine commander thaum Ntiaj Teb Tsov Rog II. Ib feem ntawm nws lub luag haujlwm tau kawm txog qhov tob tshaj plaws ntawm cov dej hiav txwv hauv av. Xyoo 1946 nws tau tshawb pom tias pua pua ntawm cov roob tiaj tus, tej zaum cov Islands tuaj sunken, zoo li Pacific pem teb.

Harry Hammond Hess txoj kev xav yog dab tsi?

Hess pom tias dej hiav txwv loj hlob los ntawm lawv qhov chaw, nrog cov khoom molten (bas alt) oozing los ntawm lub ntiaj teb lub mantle raws ntug dej hiav txwv ridges. … Qhov no tau tsim cov dej hiav txwv tshiab uas tom qab ntawd nthuav tawm ntawm txoj kab ntawm ob qho kev taw qhia.

Harry Hammond Hess ua haujlwm qhov twg?

Harry Hess tau qhia rau ib xyoos (1932–1933) ntawm Rutgers University hauv New Jersey thiab siv sijhawm ib xyoos los ua tus kws tshawb fawb hauv Geophysical Laboratory ntawm Washington, DC, ua ntej koom nrog kws qhia ntawv ntawm Princeton University xyoo 1934.

leej twg yog ob tus kws tshawb fawb uas tau tshaj tawm txoj kev xav ntawm dej hiav txwv kis thaum ntxov xyoo 1960?

Lub tswv yim hais tias cov dej hiav txwv nws tus kheej txav thiab tseem nqa lub teb chaws nrog nws raws li nws kis tau los ntawm lub hauv paus rift axis tau npaj los ntawm Harold Hammond Hess los ntawm Princeton University thiab Robert Dietz ntawmlub US NavalElectronics Laboratory hauv San Diego hauv xyoo 1960. Qhov tshwm sim niaj hnub no hu ua phaj tectonics.

Pom zoo:

Nthuav cov khoom
Thaum twg peb lub pas dej tauv tsim?
Nyeem ntxiv

Thaum twg peb lub pas dej tauv tsim?

Peb lub Gorges Dam yog lub pas dej loj loj uas hla tus Dej Yangtze los ntawm lub nroog Sandouping, hauv Yiling District, Yichang, Hubei xeev, nruab nrab Tuam Tshoj, nqes ntawm peb Gorges. Peb Gorges Dam tau ua lub chaw nres tsheb loj tshaj plaws hauv ntiaj teb raws li kev teeb tsa muaj peev xwm txij li xyoo 2012.

Puas yog acetamide muaj ntxhiab tsw?
Nyeem ntxiv

Puas yog acetamide muaj ntxhiab tsw?

Cov tshuaj acetamide yog cov tshuaj acetic acid-derived uas tau txheeb pom tias yog tsw zoo li ammonia lossis vinegar. Nws tseem yuav cling rau qhov chaw uas musculus nyob rau hauv pw tsaug zog thiab yuav tau txais zaub mov scrounge. Vim li cas acetamide yaj hauv dej?

Kuv puas tau mob plawv?
Nyeem ntxiv

Kuv puas tau mob plawv?

Feem ntau, lawv tshwm sim los ntawm kev ntxhov siab thiab kev ntxhov siab, lossis vim tias koj tau muaj caffeine, nicotine, lossis cawv ntau dhau lawm. Lawv kuj tuaj yeem tshwm sim thaum koj cev xeeb tub. Muaj tsawg zaus, palpitations tuaj yeem yog ib qho cim ntawm lub plawv mob hnyav dua.