Cov txheej txheem:
Video: Cov pov thawj twg uas kws tshawb fawb txog keeb kwm sau?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lawv thaij duab thiab ntsuas lub cev ntawm qhov xwm txheej, txheeb xyuas thiab sau cov ntaub ntawv pov thawj hauv tsev hais plaub , thiab tuav cov saw hlau kom raug saib xyuas ntawm qhov ntawd pov thawj . Cov neeg tshawb nrhiav kev ua txhaum cai khaws pov thawj xws li cov ntiv tes, hneev taw, cov log tsheb, cov ntshav thiab lwm yam dej hauv lub cev, cov plaub hau, fibers thiab cov khib nyiab hluav taws.
Hauv qhov no, koj ua li cas khaws cov pov thawj ua pov thawj?
Sau pov thawj kom raug, khaws txhua tus qauv cais, siv thiab hloov hnab looj tes ntau zaus, tsis txhob hnoos lossis txham thaum lub sijhawm sau , siv cov cuab yeej tsim nyog xws li paj rwb-tipped applicators, sterile water, cardboard swab boxes, cais hnab ntawv, thiab hnab ntawv. Khaws qhov kev ntseeg ncaj ncees ntawm tus qauv.
Ib yam li ntawd, koj yuav khaws cov pov thawj ntshav qhuav li cas? Sau Cov Qhuav Ntshav
- Moisten cov paj rwb tsis huv siv cov dej ntws los yog cov kais dej (yog tias siv cov kais dej sau cov qauv sib cais ntawm cov dej xwb).
- Co lub swab kom tshem dej ntau dhau.
- Maj mam swab cov stain nrog cov lus ntub dej ntub kom txog thaum swab ua tib zoo nqus cov ntshav.
Dhau li saum toj no, koj yuav xav tau cov cuab yeej twg los sau cov pov thawj lub cev?
Cov ntaub ntawv khaws cov ntaub ntawv pov thawj yuav muaj xws li:
- Acetate daim ntawv tiv thaiv.
- Bindle ntawv.
- Ntshiab daim kab xev/nplaum nqa.
- Electrostatic plua plav lifter.
- Teeb pom kev zoo (oblique teeb pom kev zoo).
- Forceps/tweezers.
- Cov iav iav.
- Slides thiab swb mailers.
Cov ntaub ntawv pov thawj twg yuav tsum tau sau ua ntej ntawm qhov ua txhaum cai?
Cov ntiv tes (uas tseem suav nrog cov xib teg sau thiab hneev taw) yog lwm hom pov thawj uas tuaj yeem khi tib neeg rau kev ua txhaum cai . Sau cov ntiv tes yog txheej txheem tseem ceeb thiab yuav tsum ua ib tug ua ntej yam ua thaum cov neeg tshawb nrhiav tuaj txog ntawm scene txhaum.
Pom zoo:
Vim li cas cov kws tshawb fawb tshawb fawb txog kab mob?
Cov kab mob tsis yog tsuas yog muaj ntau, ntau yam, thiab tseem ceeb rau kev nyab xeeb, lawv ua lub luag haujlwm tseem ceeb hauv kev hloov pauv ntawm lawv cov tswv. Ntxiv rau qhov xaiv qhov siab uas lawv ua rau cov pej xeem ntawm tes, raws li tau hais los saum no, lawv txhawb kev hloov pauv ntawm cov noob thiab cov genomes thiab sib sau cov noob nyob thoob plaws ib leeg
Dab tsi yog kev tshawb fawb kws tshawb fawb txog keeb kwm keeb kwm los kwv yees lub sijhawm tuag piav qhia vim li cas kev kwv yees tsis tas yuav ncaj?
Ib tus kws tshawb fawb kws tshawb fawb txog keeb kwm tshawb fawb kev txhim kho kab ntawm kab hauv lub cev los kwv yees lub sijhawm tuag. Cov kev txiav txim siab no tsis yog qhov yooj yim ib txwm vim tias tus nqi ntawm cov kab menyuam loj hlob tau cuam tshuam los ntawm ib puag ncig cuam tshuam xws li thaj chaw nyob, huab cua, thiab huab cua puag ncig
Leej twg tshawb pom keeb kwm keeb kwm?
Hanstein Ib sab ntawm qhov no, leej twg tau thov apical cell theory? Kev tshawb xav ntawm cell apical yog npaj siab los ntawm Hofmeister nyob rau xyoo 1857 thiab txhawb los ntawm Karl Wilhelm Von Nageli xyoo 1878. Raws li lawv muaj ib lub pyramidal nkaus xwb ntawm tes hauv kev tua apex ntawm feem ntau vascular cryptogams lossis ib leeg apical cev yog lub luag haujlwm rau kev tsim tua thiab kev loj hlob txuas ntxiv ntawm cov nroj tsuag.
Dab tsi yog lub luag haujlwm ntawm tus kws tshawb fawb keeb kwm keeb kwm anthropologist?
Txoj haujlwm ntawm kws tshuaj xyuas keeb kwm keeb kwm yav dhau los ua haujlwm hauv thaj chaw feem ntau suav nrog: Ua tib neeg seem. Ntxuav cov skeletal seem. Tshawb xyuas cov seem decomposed rau cov cim ntawm kev raug mob. Muab cov ntaub ntawv lom neeg txog cov seem. Sau cov ntawv ceeb toom. Ua haujlwm ze nrog cov neeg tshawb nrhiav thiab cov neeg sawv cev tshwj xeeb. Muab pov thawj hauv tsev hais plaub
Txoj kev tshawb fawb txog keeb kwm piav qhia txog kev ua phem txhaum cai li cas?
Positivism yog kev tshawb fawb ib txwm muaj uas nrhiav kev tsim lub hom phiaj ua rau tus kheej tus cwj pwm. Biological piav qhia txog kev ua txhaum cai suav hais tias qee cov neeg yog 'yug txhaum cai', uas yog lub cev sib txawv ntawm cov neeg tsis yog neeg txhaum cai. Lub npe nrov tshaj plaws ntawm txoj hauv kev no yog Cesare Lombroso