Lub txee twg hauv qhov cub ua noj sai dua?

Cov txheej txheem:

Lub txee twg hauv qhov cub ua noj sai dua?
Lub txee twg hauv qhov cub ua noj sai dua?
Anonim

Feem ntau (yog tias tsis yog tag nrho) qhov cub kub dua rau saum toj dua hauv qab. Yog li ntawd, yog tias koj muaj ob daim ntawv ci hauv koj lub qhov cub, ib qho ntawm lub khib siab dua thiab ib qho ntawm lub khib qis, ib qho ntawm lub khib siab yuav ua kom sai dua.

Puas yog qhov khib koj siv hauv qhov cub?

Cov lus teb luv yog Yes! Koj xav kom koj cov zaub mov nyob hauv nruab nrab ntawm qhov cub, uas feem ntau txhais tau hais tias lub qhov cub khib yuav tsum nyob hauv nruab nrab ntawm qhov cub.

Yuav ua li cas yog qhov zoo tshaj plaws rau qhov cub racks?

Txoj cai zoo ntawm tus ntiv tes xoo yog tias, yog tias nws tseem ceeb dua rau hauv qab kom xim av thaum ci, tso lub khib qis. Yog tias tseem ceeb tshaj qhov top xim av, tso lub khib siab.

Qhov twg yog nruab nrab khib hauv qhov cub?

MIDDLE RACK

Ahh, thaj chaw ntawm koj lub qhov cub nrog feem ntau txawm tias cua sov faib. Siv qhov no raws li koj qhov chaw qhov cub ua ntej-nws zoo meej rau txhua yam ntawm qaib ntxhw mus rau ncuav qab zib rau lasagna.

Lub qhov cub puas ci ntawm saum lossis hauv qab?

Yog li, dab tsi yog qhov cub convection thiab dab tsi yog qhov txiaj ntsig? Lub qhov cub pa feem ntau muaj ob lub cua sov, ib qho rau saum thiab ib qho hauv qab. Rau feem ntau ua noj (tshwj tsis yog broiling), tsuas yog cov khoom hauv qab yog siv nrog cov cua kub nce mus rau saum.

Pom zoo:

Nthuav cov khoom
Puas talcum hmoov yaj hauv dej?
Nyeem ntxiv

Puas talcum hmoov yaj hauv dej?

Talc yog xyaum insoluble hauv dej, dilute ntxhia acids, thiab dilute daws ntawm alkali halides thiab alkaline hydroxides. Nws yog soluble hauv kub concentrated phosphoric acid. Vim li cas talcum hmoov tsis yaj hauv dej? Tsim Hauv Tsev.

Vim li cas thiaj siv schlieren photography?
Nyeem ntxiv

Vim li cas thiaj siv schlieren photography?

Schlieren kev yees duab yog txheej txheem pom kev uas yog siv los yees duab cov dej ntws ntawm qhov sib txawv. Tsim los ntawm German physicist lub yim hli ntuj Toepler nyob rau hauv 1864 los kawm supersonic motion, nws yog dav siv nyob rau hauv aeronautical engineering los yees duab cov ntws ntawm huab cua nyob ib ncig ntawm cov khoom.

Yuav rov hais dua email li cas?
Nyeem ntxiv

Yuav rov hais dua email li cas?

Koj tuaj yeem sim: "Kuv tab tom ua raws li hauv qab no" lossis "Ua raws li qhov no [thov / nug / haujlwm]" "Kuv rov qab rau hauv qab no" lossis "Circling rov qab rau ntawm no [thov / nug / assignment]