Cov txheej txheem:
Video: Yuav ua li cas koj ua ib tug beetroot qhia?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Cia li boil lub beets nyob rau hauv dej rau 30-60 feeb. Cov dej ntshav liab ua raws li ntuj pH qhov taw qhia siv beets ! Koj tuaj yeem, ntawm chav kawm, sib tov hauv mashed beets thiab lim tawm cov beet nqaij yog tias koj xav tau cov kua dej tsaus, tab sis tsuas yog beets boiled hauv dej ua haujlwm zoo heev.
Ntxiv rau qhov no, beetroot puas yog qhov qhia tau?
Cov pH ntuj no ntsuas suav nrog: Beets : Ib qho yooj yim heev daws (pH siab) yuav hloov xim beets los yog beet kua txiv los ntawm liab mus rau ntshav. Cherries: Cherries thiab lawv cov kua txiv yog liab nyob rau hauv ib tug acidic tov, tab sis lawv tig xiav mus rau ntshav liab nyob rau hauv ib tug yooj yim tov.
Tsis tas li ntawd, peb qhov ntsuas ntuj yog dab tsi? Qee qhov piv txwv ntawm natural indicators yog redcabbage, turmeric, kua txiv hmab txiv ntoo, turnip daim tawv nqaij, curry hmoov, cherries, beetroots, dos, txiv lws suav, thiab lwm yam. Qee cov paj zoo li hydrangeas tuaj yeem txiav txim siab acidity lossis cov hauv paus ntawm cov av.
Kuj nug, Dab tsi yog xim ntawm beetroot hauv acid?
Liab xim ntawm beetroot los ntawm betacyanpigments.
Yuav ua li cas koj ua natural indicators?
Ua ib qho kev tshawb nrhiav thawj zaug los npaj thiab ntsuas qhov taw qhia anatural
- Muab qhov xaus ntawm ob lub strips ntawm cov ntawv lim rau hauv qhov ntsuas thiab cia kom qhuav.
- Siv ib lub eyedropper, thov ib tug poob ntawm cov kua qaub muaj zog rau ib lub strip thiab ib tug poob ntawm lub hauv paus muaj zog mus rau lwm lub strip.
- Sau txhua qhov kev hloov pauv hauv xim.
Pom zoo:
Yuav ua li cas koj qhia yog hais tias ib tug transformation yog ib tug dilation?
Ib qho kev piav qhia ntawm qhov dilation suav nrog qhov ntsuas qhov ntsuas (lossis qhov piv) thiab qhov nruab nrab ntawm qhov dilation. Qhov chaw ntawm dilation yog ib qho chaw ruaj khov hauv lub dav hlau. Yog tias qhov ntsuas qhov ntsuas ntau dua 1, daim duab yog qhov loj (qhov ncab). Yog tias qhov ntsuas qhov ntsuas nyob nruab nrab ntawm 0 thiab 1, daim duab yog qhov txo qis (qhov qis)
Yuav ua li cas koj qhia yog hais tias ib tug khub ntawm ratios tsim ib tug proportions?
Sim xav seb puas yog ob qho piv txwv yog proportional? Yog tias lawv nyob hauv daim ntawv feem, muab lawv sib npaug rau ib leeg los kuaj seb lawv puas yog proportional. Hla multiply thiab simplify. Yog tias koj tau txais cov lus tseeb, ces qhov sib piv yog proportional
Yuav ua li cas yog qhov tshwm sim uas ib tug poj niam dig muag xim uas yuav ib tug txiv neej uas tsis pom kev zoo yuav muaj xim dig muag me nyuam?
Yog tias tus poj niam uas muaj lub zeem muag zoo li no (heterozygous rau qhov muag tsis pom xim) yuav ib tug txiv neej ib txwm muaj (XY), cov xeeb ceem hauv qab no tuaj yeem xav tau hauv F2 tiam: ntawm cov ntxhais, 50% yog ib txwm muaj thiab 50% yog cov neeg nqa khoom rau cov kab mob; ntawm cov tub, 50% yog xim dig muag thiab 50% yog qhov pom kev zoo
Yuav ua li cas ib tug geologist yuav qhia tau hais tias ib tug quav yog ib tug syncline thiab anti-line?
Geologic Structures (Part 5) Anticlines yog folds nyob rau hauv uas txhua ib nrab ntawm cov quav dips deb ntawm lub crest. Synclines yog folds nyob rau hauv uas txhua ib nrab ntawm cov quav dips mus rau lub trough ntawm lub quav. Koj tuaj yeem nco qab qhov sib txawv los ntawm kev ceeb toom tias anticlines tsim "A" zoo, thiab synclines tsim hauv qab ntawm "S."
Yuav ua li cas koj qhia yog hais tias ib tug piecewise graph yog ib tug muaj nuj nqi?
Yuav Qhia Li Cas Yog Piecewise Function yog Nruam lossis Tsis Txuas Ntxiv. Txhawm rau qhia yog tias daim duab sib txuas tsis tu ncua lossis tsis txuas ntxiv, koj tuaj yeem saib cov ntsiab lus ciam teb thiab pom tias y point yog tib yam ntawm lawv txhua tus.(Yog tias y's txawv, yuav muaj "dhia" hauv daim duab !)