Soaplike txhais li cas?

Cov txheej txheem:

Soaplike txhais li cas?
Soaplike txhais li cas?
Anonim

1. Kho lossis npog nrog lossis zoo li xab npum. 2.a ib. Informal To softsoap; cajole.

softsoap neeg txhais li cas?

transitive verb.: kom soothe los yog yaum nrog flattery los yog blarney. xab npum.

lo lus saponification txhais li cas?

Kev Kho Mob Txhais ntawm saponification

1: lub hydrolysis ntawm cov roj los ntawm alkali nrog kev tsim ntawm xab npum thiab glycerol. 2: hydrolysis tshwj xeeb tshaj yog los ntawm alkali ntawm ib qho ester rau hauv cov cawv thiab cov kua qaub broadly: hydrolysis.

Kev siv Saponification yog dab tsi?

(lye) lossis sodium-ib qho tshuaj tiv thaiv hu ua saponification-yog siv hauv kev npaj cov xab npum los ntawm cov rog thiab rojthiab tseem siv rau qhov kev kwv yees ntau ntawm esters. Cov tshuaj tua hluav taws ntub dej, uas yog siv rau cov hluav taws kub uas muaj roj thiab roj, cia siab rau cov tshuaj saponification los hloov cov rog rog rau xab npum, …

Dab tsi yog qhov tseem ceeb ntawm Saponification?

Lo lus "Saponification" txhais tau tias "ua xab npum". Nws yog hydrolysis ntawm cov rog los yog roj nyob rau hauv lub hauv paus tej yam kev mob kom tau cov glycerol thiab cov ntsev ntawm coj fatty acid. Saponification yog ib qho tseem ceeb rau tus neeg siv khoom lag luam rau nws pab kom paub txog cov roj fatty acid uas muaj nyob hauv cov khoom noj.

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]