Cov txheej txheem:
- Ntev ntev npaum li cas ko taw qhuav?
- Ntev npaum li cas cov pob zeb yuav tsum qhuav?
- Nws yuav siv sij hawm ntev npaum li cas cov footers los teeb?
- Ntev npaum li cas tom qab hneev taw tuaj yeem nchuav phab ntsa?
Video: Ntev npaum li cas rau ko taw kom qhuav?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
Yog tias koj siv lub pob zeb uas muaj cov khoom siv nrawm nrawm koj yuav tsum tau tos yam tsawg kawg nkaus ntawm ib hnub tshav ntuj, yog tias koj siv cov qauv pob zeb sib xyaw kuv xav kom tos yam tsawg kawg ntawm xya hnub thiab siab tshaj 28 hnub, tau kawg, yog tias cov xwm txheej zoo rau cov pob zeb kho thiab teeb tsa nyuaj.
Ntev ntev npaum li cas ko taw qhuav?
pob zeb pob zeb tuaj yeem npaj rau thawj txheej ntawm cib rau hnub tom qab nchuav tab sis feem ntau cov sib tov xav tau ob hnub Nws yog qhov zoo tshaj kom tsis txhob tsav tsheb lossis txoj kev tsawg kawg 48 teev thiab zam kev thauj khoom hnyav - suav nrog tsheb - hla lawv rau xya hnub (zoo tshaj 10 lub caij ntuj no).
Ntev npaum li cas cov pob zeb yuav tsum qhuav?
Cia cov pob zeb kho rau ib hnubua ntej koj tsim koj lub lawj lossis muab qhov hnyav rau ntawm ko taw (yog siv cov pob zeb sib xyaw ua ke, tos li 3 hnub los pib tsim kho).
Nws yuav siv sij hawm ntev npaum li cas cov footers los teeb?
Tab sis los teb cov lus nug ntawm, "Lub sijhawm ntev npaum li cas los teeb tsa?" Lub sij hawm ua vaj tse feem ntau yog 24 mus rau 48 teev Lub sijhawm no tus dev nyob ib puag ncig yuav tsis tso nws hneev taw rau hauv nws, tab sis koj yuav tsum ceev kom tsis txhob muaj cov khoom hnyav rau lub sijhawm no. Feem ntau cov khoom sib xyaw yog kho tau ntawm 28 hnub.
Ntev npaum li cas tom qab hneev taw tuaj yeem nchuav phab ntsa?
Yog li ntawd, xav tias qhov tsawg kawg nkaus lub zog nce rau cov pob zeb hauv tsuas yog 24 teev, cov ko taw twb muaj peev xwm txaus ntawm nws qhov chaw rau kev thov ntawm phab ntsa.
Pom zoo:
Puas qhuav khaub ncaws ntev ntev tsis zoo?
Kev siv ntau dhau yog nkim thiab tuaj yeem ua rau yaug tsis txaus, ua rau cov tshuaj detergent residues ntawm cov ntaub. 6. Tshaj ziab koj cov khaub ncaws hauv lub tshuab ziab khaub ncaws: Lub tshuab ziab khaub ncaws yog dab tsi ua rau cov khaub ncaws ua rau shrinkage, warping elastic, thiab tumbling nkaus yog ntxhib heev.
Nws siv sijhawm ntev npaum li cas txhawm rau kom tsis muaj menyuam hauv autoclave?
Lub autoclave siv sijhawm ntev npaum li cas los ua kom tsis muaj menyuam? Feem ntau, txhua lub voj voog yuav siv sijhawm nruab nrab ntawm 60 txog 90 feeb. Lub sijhawm ua kom tsis muaj menyuam sib txawv, tab sis feem ntau yog nyob ib ncig ntawm 30 feeb, thiab lub sijhawm voj voog ntxiv yog sib cais ntawm cov cua sov thiab txias hauv chav .
Ntev npaum li cas rau cov qe txiv tsawb kom hnia?
Lub zes yug me nyuam yuav siv sij hawm ib khub ib lub lim tiam los tsim; nws yog peb zaug loj li lub zes roosting, uas siv sij hawm tsuas yog teev los tsim. Tus poj niam incubates lub qe thaum lub sij hawm tag nrho 13-hnub lub sij hawm incubation .
Nws siv sijhawm ntev npaum li cas rau dej kom dechlorinate?
Dej yuav tsum tau zaum yam tsawg kawg ntawm 24 teev kom dechlorinate. Nws tuaj yeem siv sijhawm li 5 hnub rau cov tshuaj chlorine kom evaporate tag nrho los ntawm cov dej, nyob ntawm seb qhov concentration ntawm cov tshuaj chlorine, thiab tag nrho cov ntim dej .
Ntev npaum li cas rau cov pob txha kom pob txha?
Yuav siv sijhawm ntev npaum li cas rau pob txha kom ua rau petrified? Teb: Fossils txhais tau tias yog cov seem lossis cov kab mob uas tuag ntau dua10, 000 xyoo dhau los, yog li, los ntawm txhais lub sijhawm tsawg kawg uas nws yuav siv los ua pob txha yog 10, 000 xyoo.
