Video: Koj muab ob qhov piv txwv li cas?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
VIDEO
Kuj tseem yuav paub yog, qee qhov piv txwv ntawm cov piv txwv yog dab tsi?
Hauv lej, a piv qhia tias pes tsawg zaus ib tus lej muaj lwm tus. Rau piv txwv , yog hais tias muaj yim txiv kab ntxwv thiab rau lemons nyob rau hauv ib lub tais ntawm txiv hmab txiv ntoo, ces tus piv ntawm txiv kab ntxwv rau txiv qaub yog yim rau rau (uas yog, 8∶6, uas yog sib npaug rau piv 4∶3).
Tsis tas li ntawd, koj yuav daws cov lus nug piv piv li cas? Txhawm rau siv proportions los daws qhov teeb meem ntawm lo lus, peb yuav tsum ua raws li cov kauj ruam no:
- Txheeb xyuas qhov paub piv thiab qhov tsis paub qhov piv.
- Teeb tsa qhov kev faib ua feem.
- Hla-multiply thiab daws.
- Xyuas cov lus teb los ntawm kev ntsaws qhov tshwm sim rau hauv qhov tsis paub qhov piv.
Kuj Paub, koj yuav daws qhov sib npaug li cas?
Nrhiav ib qho sib npaug piv , muab ntau lossis faib ob qhov ntau los ntawm tib tus lej. Nws yog tib txoj kev los nrhiav sib npaug ib feem. Cia peb saib ntawm piv egin{align*}frac{3}{2}end{align*}, cov piv ntawm tus naj npawb ntawm cov hnub qub rau tus naj npawb ntawm lub voj voog. Muab ob qho tib si tus lej thiab tus lej los ntawm 2.
Qhov sib npaug sib npaug yog dab tsi?
Qhov sib npaug (uas yog, nyob rau hauv qhov tseeb, sib npaug fractions) yog ob piv uas qhia txog kev sib raug zoo ntawm tus lej. Peb tuaj yeem tsim sib npaug piv los ntawm kev sib faib lossis faib ob qho tib si tus lej thiab tus lej ntawm qhov muab piv los ntawm tib tus lej.
Pom zoo:
Aneuploidy muab piv txwv li cas?
Anuploidy. Aneuploidy yog qhov muaj tus lej ntawm chromosomes txawv txav hauv ib lub xovtooj ntawm tes, piv txwv li tib neeg lub xovtooj ntawm tes muaj 45 lossis 47 chromosomes es tsis txhob siv 46 li ib txwm
Yam ua piv txwv piv txwv li cas?
Ib khub xaj yog ib khub ntawm tus lej hauv ib qho kev txiav txim. Piv txwv li, (1, 2) thiab (- 4, 12) raug txiav ua khub. Qhov kev txiav txim ntawm ob tus lej tseem ceeb: (1, 2) tsis sib npaug rau (2, 1) -- (1, 2) ≠ (2, 1)
Dab tsi yog cov nyhuv tshuaj ntawm hluav taws xob muab qee qhov piv txwv ntawm cov nyhuv tshuaj?
Ib qho piv txwv ntawm cov tshuaj muaj zog hauv cov hluav taws xob tam sim no yog electroplating. Hauv cov txheej txheem no, muaj cov kua dej uas muaj hluav taws xob dhau mus. qhov no yog ib qho piv txwv ntawm kev siv tshuaj lom neeg hauv hluav taws xob tam sim no
Dab tsi yog qhov tsis yog hlau muab piv txwv?
Ans: Hydrogen, hydrogen, chlorine, fluorine, carbon, nitrogen, arsenic, phosphorus, selenium yog cov piv txwv ntawm cov hlau tsis muaj hlau
Dab tsi yog qhov dimension muab peb piv txwv?
Muab peb yam piv txwv. Ib qhov loj me yog txhua yam khoom ntawm ib qho khoom lossis qhov system uas tuaj yeem ntsuas tau. Piv txwv xws li ntev, loj, lub sij hawm, hardness, ceev, zog, thiab hais txog