2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Siv ntsev ntsev ntsev yog ib qho khoom noj khoom noj khoom haus thiab tshuaj ntxiv, chiv, thiab oxidizer rau foob pob hluav taws thiab foob pob hluav taws. Nws yog ib qho ntawm cov khoom xyaw tseem ceeb hauv cov hmoov phom.
Nyob ntsev siv tau dab tsi?
Nws yog ib qhov chaw ntawm nitrogen, thiab nitrogen tau muab npe tom qab nitrer. Potassium nitrate yog ib qho ntawm ntau cov nitrogen-muaj cov sib xyaw ua ke hu ua s altpetre (los yog s altpeter hauv North America). Kev siv cov poov tshuaj nitrate tseem ceeb yog hauv cov chiv, tshem tawm tsob ntoo, foob pob hluav taws thiab foob pob hluav taws.
Ntsuab ntsev ua dab tsi rau txiv neej?
"S altpetre," (lub ntsiab lus yog hais txog cov poov tshuaj lossis sodium nitrate) tsis muaj kev cuam tshuam rau kev xav ntawm lub cev. Zaj dab neeg hais tias cov tshuaj no muab tso rau tub rog ' zaub mov kom txo tau lawv txoj kev sib deevyog tag nrho cov dab neeg.
Lub tsev loj cuj puas siv tshuaj ntsev?
Puas yog lub tsev loj cuj muab ib yam dab tsi rau hauv cov zaub mov kom txo cov neeg raug kaw libidos? Tsis yog, tab sis nws yog ib zaj dab neeg zoo thiab ib qho uas tau nyob ib puag ncig hauv ib daim ntawv lossis lwm qhov rau hnub nyoog. … Qhov tseeb ntawm qhov teeb meem yog cov ntsev - poov tshuaj nitrate - yog ib qho tshuaj lom neeg tshwm sim uas tsis muaj dab tsi ua rau koj lub cev deev.
Dab tsi yog ntsev thiab koj tau qhov twg?
Ordinary s altpeter nyob rau hauv daim ntawv ntawm poov tshuaj nitrate tshwm sim nyob rau hauv cov kua txiv ntawm cov nroj tsuag xws li sunflower, ntau borage, celandine thiab luam yeeb. Zaub xws li spinach, celery thiab cabbage muaj qhov tseem ceebTus nqi ntawm cov poov tshuaj nitrate.
Pom zoo:
Nyob hauv cov ntsev ntsev?
Yog ntsev molecule khi rau cov dej molecules, nws yog ntsev ntsev. Hauv lwm lo lus, hydrated ntsev yog ntsev molecule uas yog lankly txuas rau qee yam dej molecules. Cov ntsev feem ntau yog cov muaju nyob rau hauv lub xeev hydrated, txhais tau hais tias ib qho kev faib ua feem ntawm cov dej yog txuas nrog cov qauv siv lead ua.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.
Ntsev puas tuaj yeem plam nws qhov ntsev?
Peb tau hais meej tias hauv nws daim ntawv ntuj, tsis muaj tshuaj ntxiv, ntsev tsis plam nws cov ntsev lossis tsw. Consumable ntsev yog ib tug ntxhia compound uas muaj sodium thiab chloride (NaCI). Nws yog qhov ruaj khov heev thiab yog li tsis tuaj yeem poob nws qhov saj lossis degrade thaum lub sijhawm, tsis zoo li cov txuj lom.
Qhov dej qab ntsev nyob qhov twg hauv tus dej?
Qhov no feem ntau tshwm sim hauv thaj chaw uas geology yog limestone thiab yaj hauv dej acidic me ntsis. S altation yog thaum cov khoom xws li pebbles thiab gravel uas hnyav dhau mus nqa nyob rau hauv ncua kev kawm ntawv yog bounced raws tus dej los ntawm lub zog ntawm dej.
Dab tsi yog qhov txawv ntawm ntsev thiab tsis ntsev?
S alted butter tsuas yog butter uas muaj ntsev ntxiv. Ntxiv nrog rau kev muab cov saj qab ntsev, cov ntsev ua tau raws li kev khaws cia thiab ua kom lub neej txee ntawm butter. … Uns alted butter tsis muaj ntsev ntxiv. Xav txog nws li butter hauv nws daim ntawv purest.
