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Nplooj qauv qauv

Nplooj qauv qauv

Lus piav qhia luv luv:

  • Cov qauv no tsim nyog rau kev qhia txog biology hauv tsev kawm theem nrab, cov kev qhia paub txog kev paub siv los qhia cov qauv ntawm dicotyledons rau cov tub ntxhais kawm kom nkag siab tob.

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Khoom cim npe

Hauv cov qauv no, cov qauv ntoo raug pom los ntawm cov kab ntsug thiab kab rov tav. Lub transverse seem yog tsim los ntawm sab sauv thiab sab epidermis, mesophyll thiab leeg. Lub epidermis qhia tau hais tias lub stratum corneum, epidermal hlwb thiab stomata muaj li ntawm cov neeg zov lub hlwb, lub mesophyll qhia palisade cov ntaub so ntswg thiab spongy ntaub so ntswg, thiab cov nplooj vein qhia lub ntsiab vein, lateral leeg thiab zoo leeg. Cov qauv ntawm lub vascular pob thiab nws ib puag ncig nyias-walled qauv yog qhia nyob rau hauv lub transverse seem ntawm lub ntsiab hlab ntsha.
Ntim: 4 pcs / thawv, 52.5x47x36cm, 10kgs

Cov seem ntawm cov hlwb thiab daim txhuam cev tau pom nyob rau hauv ntu, uas qhia cov nucleus thiab chlorophyll's sab hauv ntawm lub stomata hauv qab lub foramen; daim txhuam cev uas qhia qhov loj thiab ntau dua intercellular.

Kawm Subject: Medical Science
Hom: Anatomical Model
Khoom Lub Npe: Leaf Structure Anatomy Model
Loj: Ntev 450m, qhov siab 150m, qhov siab ntawm cov nplooj ntoo loj 200mm
Khoom siv: PVC ib puag ncig tiv thaiv khoom
Siv rau: kho mob, tsev kawm ntawv, tsev kho mob, khoom plig kho mob

Siv thiab khaws cia
1.Tus qauv yog ua los ntawm cov khoom zoo PVC yas
2.Tom qab siv cov qauv, nws yuav tsum tau tshem tawm cov plua plav thiab plua plav pov thawj (tshem cov plua plav thiab muab khi nrog lub hnab yas)
Qhov chaw cia khoom yuav tsum huv si, qhuav thiab cua, thiab yuav tsum tsis txhob raug tshav ntuj ncaj qha los xyuas kom meej cov khoom ua haujlwm ntev.

Nco tseg:
Thov tso cai me ntsis xim sib txawv vim muaj qhov sib txawv ntawm cov zaub lossis lub teeb ib puag ncig.
Vim tias nws yog kev ntsuas phau ntawv, cov khoom loj muaj qhov yuam kev me me, thov xa mus rau cov khoom siv tiag tiag, thov nkag siab.

Thov koj xav email rau peb yog tias muaj teeb meem thiab lus nug, peb yuav sim peb qhov zoo tshaj plaws kom tau raws li koj qhov kev txaus siab hauv 24 teev.


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