Video: Cov pov thawj zoo li cas tuaj yeem pom ntawm qhov ua txhaum cai?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Kev ua txhaum txhaum cai cov neeg tshawb nrhiav sau pov thawj xws li cov ntiv tes, cov hneev taw, cov log tsheb, cov ntshav thiab lwm yam hauv lub cev, cov plaub hau, cov fibers thiab cov hluav taws pov tseg. NIJ cov peev txheej los txhim kho: Txheeb xyuas cov ntshav thiab lwm yam kua dej hauv lub cev qhov chaw . Tshawb nrhiav thaj tsam ntawm cov tshuaj thiab cov khoom tawg.
Ib yam li ib tus tuaj yeem nug, hom ntawv pov thawj dab tsi thiab pov thawj lom neeg tuaj yeem pom ntawm qhov ua txhaum cai?
Fibers, plaub hau, av, ntoo, phom phom thiab paj ntoos tsuas yog qee qhov piv txwv ntawm nrhiav pov thawj tias tej zaum hloov pauv ntawm tib neeg, cov khoom lossis ib puag ncig thaum lub sijhawm kev ua txhaum . Cov neeg tshawb nrhiav tau muaj peev xwm txuas tus neeg phem thiab tus neeg raug tsim txom mus rau qhov chaw sib koom los ntawm nrhiav pov thawj.
Tom qab ntawd, lo lus nug yog, ua li cas cov pov thawj ntshav pom ntawm qhov ua txhaum? Cov kws tshawb fawb txog kev siv tshuaj luminol siv paub taug qab cov nyiaj ntawm ntshav ntawm scenes ua txhaum , raws li nws cuam tshuam nrog cov hlau hauv hemoglobin. Biologists siv nws hauv kev ntsuas ntawm tes rau paub tooj liab, hlau, cyanides, ntxiv rau cov protein tshwj xeeb ntawm sab hnub poob.
Tsuas yog, yam pov thawj twg yog lub cev?
Piv txwv ntawm lub cev pov thawj suav nrog tab sis tsis txwv rau riam phom, ntaub ntawv, thiab hneev taw. Biological pov thawj yuav suav nrog ntshav, lub cev dej, DNA, thiab teeb meem ntawm tsob ntoo. Lub cev pov thawj tau piav qhia ntxiv tias muaj cov yam ntxwv hauv chav kawm thiab/lossis tus yam ntxwv ntawm tus kheej.
Cov ceg twg ntawm kev tshawb fawb txog kev noj qab haus huv yog lub luag haujlwm txheeb xyuas cov tshuaj thiab tshuaj lom pom ntawm qhov ua txhaum cai?
Ua haujlwm hauv chav kuaj mob, tus txoj cai lij choj toxicologist ua qhov kev ntsuam xyuas ntawm cov qauv sau los ntawm txoj cai lij choj pathologists thaum lub cev xeeb tub lossis los ntawm scene txhaum cov neeg tshawb nrhiav. Lawv siv cov cuab yeej siv tau zoo heev, cov tshuaj reagents thiab cov txheej txheem tseeb los txiav txim siab tias muaj lossis tsis muaj cov tshuaj tshwj xeeb hauv tus qauv.
Pom zoo:
Cov pov thawj khaws cia nyob hauv qhov chaw ua txhaum cai li cas?
Ua kom ruaj ntseg cov pov thawj los ntawm kev muab tso rau hauv lub hnab ntawv lossis lub hnab ntawv. Kaw, muab kaw, lossis kaw lub hnab ntawv lossis lub hnab ntawv. Tus kws tshuaj xyuas yuav tsum xub pib, hnub tim, thiab sijhawm nyob thoob plaws thaj chaw sib khi. Sau lub hnab lossis lub hnab ntawv nrog tus neeg mob cov ntaub ntawv qhia paub
Hom ntawv pov thawj dab tsi thiab pov thawj lom neeg tuaj yeem pom ntawm qhov ua txhaum?
Fibers, plaub hau, av, ntoo, cov phom phom thiab paj ntoos tsuas yog qee qhov piv txwv ntawm cov pov thawj uas yuav kis tau ntawm tib neeg, cov khoom lossis ib puag ncig thaum ua txhaum. Cov neeg tshawb nrhiav tuaj yeem muaj peev xwm txuas tus neeg phem thiab tus neeg raug tsim txom mus rau qhov chaw sib koom los ntawm cov pov thawj taug qab
Kev ua txhaum cai ua txhaum cai ntau npaum li cas?
Lub Chaw Haujlwm Saib Xyuas Kev Ua Haujlwm tau tshaj tawm cov nyiaj hli nruab nrab rau cov kws tshawb fawb forensic yog $ 56,750 thaum lub Tsib Hlis 2016. Qhov qis tshaj 10 feem pua tau khwv tau tsawg dua $ 33,860, thaum qhov siab tshaj 10 feem pua tau txais ntau dua $ 97,400
Yuav ua li cas feem pua ntawm cov neeg haus dej ntau qhia pom pov thawj ntawm rog rog lossis kab mob siab?
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Koj puas tuaj yeem ua pov thawj pom zoo nrog AAS?
AAS Theorem hais tias: Yog tias ob lub ces kaum thiab tsis suav nrog ib sab ntawm ib daim duab peb sab sib haum rau qhov sib thooj ntawm lwm daim duab peb sab, cov duab peb sab sib luag