2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
rau lub sijhawm medieval, tib neeg siv zog ntau rau hauv qhov tshwm sim. yog li Titanium yuav pom sai sai uas tsis muaj txiaj ntsig. tab sis yog tias muaj txoj hauv kev kom tau txais titanium, nws tsuas yog siv yuav yog cov hlau semiprecious, uas feem ntau yog cov xwm txheej tshiab.
Yuav ua li cas titanium ua cov cuab yeej zoo medieval?
Koj tuaj yeem xaiv cov cuab yeej nruab nrab lossis cov kaus mom hlau los ntawm cov hlau tsis muaj zog thiab tau txais cov khoom uas muaj qhov hnyav dua. … Titanium armor thiab kaus mom hlau zoo ib yam li hardness rau hardened caij nplooj ntoos hlav hlau. Nws muaj kwv yees li 35-40 HRC los ntawm Rockwell. Tab sis qhov tseem ceeb tshaj plaws yog titanium yog 40% sib zog dua li cov hlau.
Dab tsi yog riam phom siv tshaj plaws nyob rau hauv nruab nrab lub sijhawm?
Naj Ntaj thiab Lances
Raws li DeVries, "Ib yam riam phom tseem ceeb tshaj plaws nyob rau hauv Nruab Nrab Hnub nyoog yog ntaj." Cov riam phom ceev ceev uas tuaj yeem tua tau zoo li hlais, rab ntaj xa cov kev puas tsuaj ntau tshaj plaws rau kev siv zog tsawg kawg nkaus.
Thaum twg titanium thawj zaug siv lag luam?
Titanium hlau tsis tau siv sab nraud ntawm chav kuaj kom txog thaum 1932 thaum William Justin Kroll tsim nws los ntawm kev txo cov titanium tetrachloride (TiCl 4) nrog calcium. Yim xyoo tom qab ntawd nws tau ua kom zoo dua cov txheej txheem no nrog magnesium thiab sodium hauv qhov uas hu ua Kroll txheej txheem.
Dab tsi yog cov khoom tseem ceeb tshaj plaws nyob rau hauv lub hnub nyoog medieval?
Kev siv ntoo ua raw khoom hauv ntiaj teb medieval rau qhov davntau hom kev ua haujlwm thiab kev kos duab zoo nkauj yuav luag zoo li qhov muaj sia nyob nws tus kheej. Cov khoom siv tau siv rau kev tsim vaj tsev thiab nkoj, rooj tog zaum, suab paj nruag, thiab txawm tias cov cuab yeej tsim nyog los ua kom tiav cov haujlwm.
Pom zoo:
Puas yog nruab nrab thiab nruab nrab?
Tab sis peb xav hais tias: Nws sawv ntawm nws cov phooj ywg. "midst" txhais tau tias, roughly, "middle" (raws li lub npe). "Amidst" txhais tau tias "hauv nruab nrab" lossis "ntawm" lossis "
Yuav ua li cas rau nruab nrab lub sijhawm muaj sia nyob?
Lub sijhawm ntev txij li hnub kuaj lossis pib kho tus kabmob, xws li mob qog noj ntshav, uas ib nrab ntawm cov neeg mob hauv ib pab pawg neeg mob kuaj mob tus kab mob no tseem ciaj sia. Koj txhais li cas nruab nrab thiab lub sijhawm muaj sia nyob?
Puas yog nruab nrab thiab nruab nrab tib yam?
Average Median Qhov nruab nrab yog tus lej arithmetic mean ntawm cov lej. Qhov nruab nrab yog tus lej tus nqi uas sib cais qhov siab dua ib nrab ntawm qhov teeb tsa los ntawm ib nrab qis. Puas yog nruab nrab txhais tau tias nruab nrab?
Puas yog nruab nrab phem tshaj qhov nruab nrab?
Yog li ntawd, 'mediocre' yog tsuas yog thiab tsuas yog derogatory, me ntsis hnyav dua li 'qub' thiab hais txog tib yam li 'tsis muaj dab tsi sau hauv tsev'. 'Nruab nrab' yog zoo siv nyob rau hauv nws nruj me ntsis kev paub txog zauv/statistical.
Puas yog cov neeg nyob hauv lub sijhawm nruab nrab?
Yaj ua teb pub dawb muaj lawv thaj av ncaj ncees thiab tsis tshuav nuj nqis dab tsi rau tus tswv ntawm lub manor. Tsis yog tag nrho cov kev pabcuam hauv lub zos tau tshuav los ntawm cov neeg ua liaj ua teb rau tus tswv. Puas yog cov neeg ua liaj ua teb dawb nyob nruab nrab hnub nyoog?
