2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Elaidic acid yog cov tshuaj sib xyaw nrog cov qauv C ₁₈H ₃₄O ₂, tshwj xeeb cov fatty acid nrog cov qauv qauv HOC–(CH₂–)₇CH=CH–(CH₂–)₈H, nrog rau ob daim ntawv cog lus hauv kev teeb tsa. Nws yog xim tsis muaj xim oily khoom. Nws cov ntsev thiab esters hu ua elaidates.
Elaidic acid tsim li cas?
Elaidic acid kuj yog tsim los ntawm ib nrab hydrogenation ntawm polyunsaturated rog rau kev tsim cov margarines thiab shortenings. Cov khoom siv hydrogenated no muaj lwm cov cis thiab trans isomers ntawm monounsaturated fatty acids uas ob daim ntawv cog lus tau tsiv mus nyob nruab nrab ntawm carbon-8 thiab carbon-12 txoj haujlwm.
C18 fatty acid yog dab tsi?
Oleic acid yog fatty acid uas tshwm sim nyob rau hauv ntau yam tsiaj thiab zaub roj thiab roj. … Hauv cov ntsiab lus tshuaj, oleic acid yog cais raws li monounsaturated omega-9 fatty acid, abbreviated nrog lipid tus lej ntawm 18: 1 cis-9.
kub taw tes ntawm elaidic acid yog dab tsi?
Hauv daim ntawv purified nws yog dawb crystalline fatty acid insoluble nyob rau hauv dej, nrog melting point ntawm 44.5-45.5 ° C (112.1-113.9 ° F; 317.65-318.65 K) thiab boiling point ntawm 288 °C (550.4 ° F; 561.15 K) ntawm 100 mm Hg.
Elaidic acid pom nyob qhov twg?
Elaidic acid (EA) yog oleic acid trans isomer (trans-9-18: 1). Nws yog qhov tseem ceeb trans fatty acid nyob rau hauv Western noj mov. EA muaj nyob rau hauv margarine, ib nrab hydrogenated zaub roj, thiab zaub mov kib.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi ntawm cov hauv qab no yog cov kua qaub uas muaj zog tshaj chloroacetic acid?
Yog li, los ntawm cov kev xaiv tau muab, trichloroacetic acid yuav yog cov kua qaub uas muaj zog tshaj plaws vim tias muaj peb chlorine atoms tam sim no ntawm tib cov pa roj carbon uas yuav cuam tshuam cov nqi tsis zoo tshaj plaws thiab ua rau Qhov ruaj khov tshaj plaws carboxylate ion.
Lub mis molecular ntawm glutaric acid yog dab tsi?
Glutaric acid yog cov organic compound nrog cov mis C₃H₆(COOH)₂. Txawm hais tias qhov cuam tshuam "linear" dicarboxylic acids adipic thiab succinic acids yog dej-soluble tsuas yog ob peb feem pua ntawm chav sov, cov dej-solubility ntawm glutaric acid yog tshaj 50%.
Dab tsi yog kev xav ntawm autonomists dab tsi yog qhov kev xav ntawm kev zoo nkauj ntawm kev coj ncaj ncees?
Kev lig kev cai, muaj ob txoj haujlwm tawm tsam kev xav txog kev coj ua raws li kev cai lij choj ntawm kev ntsuas kev ncaj ncees ntawm kev kos duab: 'kev coj ncaj ncees kev ncaj ncees Ethics lossis kev coj ncaj ncees yog ib ceg ntawm kev xav uas "
Puas yog cov dab dab dab dab dab dab tau them?
OHL cov neeg ua si tsis tau nyiaj hli, vim lawv tsis raug lees paub tias yog cov neeg ua haujlwm raws li Txoj Cai Kev Ua Haujlwm. Txawm li cas los xij, lawv suav nrog cov txiaj ntsig xws li nyiaj rov qab txhua xyoo, tag nrho cov nqi kawm ntawv them, thiab daim pib pub dawb.
