Video: Cov yam ntxwv ntawm chav kawm yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Piv txwv ntawm chav kawm cov pov thawj muaj xws li hom ntshav, fibers, thiab xim. Tus kheej Yam ntxwv yog cov khoom pov thawj ntawm lub cev uas tuaj yeem raug ntaus nqi rau ib qho chaw uas muaj kev ntseeg siab. Piv txwv ntawm ib tus neeg pov thawj suav nrog txhua yam uas muaj cov DNA DNA, cov cim, thiab cov ntiv tes.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog cov pov thawj yam ntxwv ntawm chav kawm?
Cov yam ntxwv ntawm chav kawm tsis yog tshwj xeeb rau ib yam khoom tab sis tso qhov tshwj xeeb me ntsis ntawm pov thawj rau hauv ib pawg ntawm cov khoom. Tus kheej yam ntxwv nqaim lub pov thawj mus rau ib qho, tus kheej qhov chaw. Hom phom phom uas tus neeg raug tua yog ib tug class yam ntxwv.
Kuj Paub, dab tsi yog qee tus cwj pwm ntawm tus kheej? Ntau yam nta ntawm tus ntiv taw, humps hauv tus ntiv taw kab, phalange cim, flatfoot mob, pits, tawg, pob kws, thiab lwm yam, tau kawm. zaus ntawm qee ntawm cov no cov cim kuj tau sau tseg.
Tom qab ntawd, ib tug kuj yuav nug, dab tsi yog cov yam ntxwv ntawm cov phom?
Ntawm cov mos txwv, cov cov yam ntxwv ntawm chav kawm yog cov rifling specifications ntawm lub chim los ntawm cov mos txwv raug rho tawm haujlwm. Cov no suav nrog caliber, tus naj npawb ntawm cov av thiab grooves, kev taw qhia ntawm twist ntawm cov av thiab grooves, thiab dav ntawm cov av thiab grooves.
Cov chav kawm thiab tus yam ntxwv ntawm cov mos txwv yog dab tsi?
Kev sib piv ntawm cov mos txwv koom nrog " class" thiab "ib leeg " yam ntxwv . Cov no yam ntxwv yog raws li "striae" sab laug ntawm lub mos txwv raws li nws hla lub thoob. Chav kawm hais txog hom caliber thiab rifling. Rifling qauv tuaj yeem tig mus rau sab xis lossis sab laug, nrog rau tus nqi sib tw.
Pom zoo:
Dab tsi yog cov yam ntxwv ntawm chav kawm hauv forensics?
Cov yam ntxwv ntawm chav kawm tsis yog tshwj xeeb rau ib qho khoom tshwj xeeb tab sis tso cov pov thawj me ntsis rau hauv ib pawg ntawm cov khoom. Cov yam ntxwv ntawm tus kheej nqaim cov pov thawj mus rau ib qho, tus kheej qhov chaw. Hom phom phom uas tus neeg raug tsim txom raug tua yog cov yam ntxwv ntawm chav kawm
Dab tsi yog qhov txawv ntawm Marine West Coast huab cua thiab dab tsi yog lub luag haujlwm rau cov yam ntxwv ntawd?
Cov ntsiab lus ntawm Marine West Coast Qhov kev nyab xeeb ntawm cov yam ntxwv tseem ceeb yog lub caij ntuj sov me me thiab lub caij ntuj no thiab cov nag lossis daus txhua xyoo. Qhov ecosystem no muaj kev cuam tshuam loj heev los ntawm nws qhov ze rau ntawm ntug dej hiav txwv thiab roob. Nws yog qee zaum hu ua huab cua sab hnub poob ntug dej hiav txwv lossis dej hiav txwv huab cua
Txoj kev faib cov ntaub ntawv twg muab cov ntaub ntawv sib npaug ntawm cov ntaub ntawv lossis cov kev tshuaj xyuas hauv txhua chav kawm cov ntaub ntawv?
Quantile. txhua chav kawm muaj cov yam ntxwv sib npaug. Ib qho kev faib tawm ntau yog zoo haum rau cov ntaub ntawv faib tawm. Quantile muab tib tus lej ntawm cov ntaub ntawv muaj nuj nqis rau txhua chav kawm
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Texas 'Gulf Coastal Plains yog sab hnub poob txuas ntxiv ntawm ntug hiav txwv tiaj tiaj txuas los ntawm Dej Hiav Txwv Atlantic mus dhau Rio Grande. Nws cov yam ntxwv dov mus rau toj roob hauv pes npog nrog kev loj hlob hnyav ntawm ntoo thuv thiab tawv ntoo txuas mus rau East Texas
Dab tsi yog qhov txhais cov yam ntxwv ntawm peb chav kawm loj ntawm isomers?
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