Dab tsi yog cov kev mob tshwm sim ntawm benzoic acid?

Cas tsis muaj 65-5-0 yog benzoic acid, lwm lub npe yog benzarecarboxylic acid, carboxybenzene; E210; Dractic acid; PenyylmethiC acid. Nws yog xim tsis muaj xim crystalline khoom nrog benzoic savor. Nws yog qhov tseem ceeb heev hauv kev lag luam khoom noj khoom haus, kev saib xyuas tus kheej thiab cov tshuaj ib yam nkaus.

Dab tsi yog cov kev mob tshwm sim ntawm benzoic acid?

1. Cov peev xwm tshwm sim ntawm benzoic acid:
2. Daim tawv nqaij thiab mucous membrane Immbrane: raug rau cov kev muaj siab ntawm benzoic acid tuaj yeem ua rau tawv nqaij tawv nqaij, ob lub qhov muag, lossis ua pa rau kev ua pa.
3. Kev tsis haum: Qee tus neeg yuav tau pom tsis haum xws li pob khaus, khaus, lossis hawb pob (tsawg).
4. Cov plab zom mov tsis xis nyob: Siv ntau dua yuav ua rau mob plab, xeev siab, lossis zawv plab.

Cov Ntaub Ntawv Kev Nyab Xeeb

• Hnav hnab looj tes tsim nyog thiab goggles lossis daim npog ntsej muag.
• Zam kev sib chwv ntawm daim tawv nqaij.
• Tsis txhob nqus plua plav.
• Hnav cov khaub ncaws tiv thaiv uas tsim nyog thiab hnab looj tes.
• Zam kev sib cuag nrog tawv nqaij thiab qhov muag.
• Tsis txhob nqus pa.
• Zam kev sib cuag; Tau txais cov lus qhia tshwj xeeb ua ntej siv.
• Hnav khaub ncaws tiv thaiv uas tsim nyog.
• Hnav geggles lossis daim npog ntsej muag.

Nyem los thov cov lus hais

Txog Peb

Gneebioyog ib lub tuam txhab siv tshuaj lom neeg muaj kev tshawb fawb txog kev tshawb fawb, ntau lawm, thiab kev muag khoom. Gneebio adlts muaj diversified, cov cuab tam- lub teeb kev loj hlob qauv, lag luam} tsim cov khoom lag luam, thiab kev tsim khoom lag luam. Tau ntau xyoo, lub tuam txhab tau ua tiav txoj hauv kev ywj pheej thiab kev sib koom tes ntawm kev lag luam, thiab kev tshawb nrhiav cov kev koom tes muaj zog nrog ntau pawg. Lub tuam txhab tuav cov cai ywj pheej thiab cov khoom xa tawm, thiab cov khoom lag luam raug xa tawm mus rau Nyij Pooj, Kaus Lim Qab Zib suav nrog Asmeskas, Tebchaws Asmeskas, Is Nrias teb, thiab Africa.

Ntim