Puas yog phau ntawv hla tebchaws nug cov ntaub ntawv?

Cov txheej txheem:

Puas yog phau ntawv hla tebchaws nug cov ntaub ntawv?
Puas yog phau ntawv hla tebchaws nug cov ntaub ntawv?

Video: Puas yog phau ntawv hla tebchaws nug cov ntaub ntawv?

Video: Puas yog phau ntawv hla tebchaws nug cov ntaub ntawv?
Video: tham txog kev ua ntaub ntawv sib qhaib sib yuav mu txawv teb chaws, 2024, Hlis ntuj nqeg
Anonim

kos npe, sau ntawv, ntaus ntawv, lossis lwm yam ntawv sau uas nws qhov chaw lossis qhov tseeb yog hauv kev tsis txaus siab lossis tsis paub tseebex: daim tshev, ntawv pov thawj, ntawv tso cai, ntawv hla tebchaws, npe, daim ntawv cog lus, kev xav, daim ntawv cog lus, nyiaj, ntawv rho npe, ntawv tua tus kheej lossis tus nqe txhiv, cov ntaub ntawv kho mob thiab daim ntawv txais nyiaj.

Yuav ua li cas piv txwv ntawm Cov Ntaub Ntawv Cov Lus Nug?

Qee yam ntawm cov ntaub ntawv nug uas raug kuaj xyuas cov ntaub ntawv pov thawj tau hais hauv qab no

  • • Xav. • Tshawb xyuas. • Cov Nyiaj Txiag Nyiaj Txiag. • Daim ntawv cog lus. • Cov ntawv txais nyiaj. …
  • • Dab Neeg Tub Sab. • Kev dag ntxias. • Kev cuav. • Kev tua tus kheej. • Kev tua neeg. …
  • • Nto nta. • Cov duab latent. • Kev hloov pauv. • Watermarks. • Ink stamps.

Qhov twg tsis yog piv txwv ntawm cov ntaub ntawv nug?

Passports tsis yog piv txwv ntawm cov lus nug. Cov teeb meem tsis tuaj yeem pab txheeb xyuas lub tshuab uas cov ntaub ntawv tau tsim los ntawm. … Hom ntaub ntawv hloov pauv no siv tus neeg sawv cev oxidizing muaj zog ua kom tus cwj mem tsis muaj xim.

Dab tsi yog qhov sib txawv ntawm kev siv thiab kev siv lub teeb hauv kev tshuaj xyuas cov ntaub ntawv nug?

Ultraviolet (UV) illumination cov tswv yim yog siv rau ntau lub hom phiaj hauv kev tshawb nrhiav forensic, suav nrog pov thawj cov duab, kos npe kos npe, tshuaj xyuas cov ntaub ntawv hauv nqe lus nug, tshuaj xyuas tus lej, qhia txog cov ntiv tes latent hauv Cov xwm txheej ua txhaum cai thiab taug qab cov kab ntawm cov khaub ncaws, tshawb xyuas cov xim stains…

Thaum tus qauv tsis muaj dab tsi tuaj yeem kuaj tau?

Lub sijhawm twg yog qhov tsim nyog? Cov ntaub ntawv ua tiav hauv ob mus rau peb xyoos yog qhov tsim nyog tshaj plaws. Yog tias tsis muaj cov no, cov ntaub ntawv sib tham ntxiv los ntawm cov lus nug yuav raug siv. Tsis txhob cia siab rau kev sau niaj hnub no nkaus xwb, yog tias ua tau.

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