Kev haus dej yog qhov tseem ceeb rau tib neeg txoj sia nyob, thiab nws yog ib qho tseem ceeb uas cov dej peb haus yog qhov zoo. Ib qho ntawm cov dej zoo uas feem ntau tsis saib xyuas yog nws qib pH. pH yog ib qho kev ntsuas ntawm acidity los yog alkalinity ntawm ib qho kev daws teeb meem thiab qhia rau ntawm qhov ntsuas ntawm 0-14. Nruab nrab pH yog 7, thaum pH qhov tseem ceeb hauv qab 7 qhia acidity thiab pH qhov siab tshaj 7 qhia alkalinity.
Cov dej haus uas muaj pH ntawm 6.5 thiab 8.5 yog suav tias yog kev nyab xeeb thiab noj qab nyob zoo rau tib neeg noj. Tus nqi pH sab nraud ntawm qhov sib txawv no tuaj yeem qhia tau tias muaj cov pa phem lossis cov kab mob sib kis uas tuaj yeem ua rau peb noj qab haus huv. Piv txwv li, ntawm acidic pH qib, dej tuaj yeem yaj cov hlau xws li txhuas, tooj liab, thiab zinc los ntawm cov kav dej thiab cov kav dej, uas tuaj yeem noj tau. Alkaline dej, ntawm qhov tod tes, tuaj yeem ua rau mob plab, tshwj xeeb tshaj yog nyob rau hauv cov neeg uas muaj mob plab.
Kev tswj hwm qib pH kom raug hauv cov dej haus yog qhov tseem ceeb tsis yog rau peb txoj kev noj qab haus huv nkaus xwb tab sis kuj rau ib puag ncig. Cov dej acidic tuaj yeem ua mob rau cov nroj tsuag hauv dej thiab tsiaj txhu, thaum cov dej alkaline tuaj yeem ua rau cov dej ecosystem puas tsuaj los ntawm kev ua rau muaj teeb meem algal blooms.
Txhawm rau kom ntseeg tau tias cov dej haus muaj kev nyab xeeb thiab noj qab haus huv, cov chaw kho dej ntsuas pH thiab kho lawv yog tias tsim nyog. Ib txoj hauv kev kho dej cov nroj tsuag kho pH yog los ntawm kev ntxiv cov tshuaj xws li dej qab zib tshauv lossis txiv qaub kom nce pH, lossis sulfuric acid lossis carbon dioxide kom txo qis pH. Cov pH ntawm cov dej haus kuj tuaj yeem cuam tshuam los ntawm tej yam ntuj tso xws li av muaj pes tsawg leeg thiab thaj chaw nyob.
Ntxiv nrog rau kev tswj hwm qib pH nyab xeeb hauv cov dej haus, kuj tseem muaj kev lees paub txog kev noj qab haus huv cuam tshuam nrog cov dej haus uas muaj alkaline. Qee tus neeg ntseeg tias cov dej alkaline tuaj yeem ua rau cov kua qaub hauv lub cev thiab tiv thaiv cov kab mob ntev, txawm hais tias kev tshawb fawb tseem tsis tau ua pov thawj cov lus thov no.
Zuag qhia tag nrho, kev tswj hwm qib pH kom raug hauv cov dej haus yog qhov tseem ceeb rau peb txoj kev noj qab haus huv thiab ib puag ncig. Cov dej haus uas muaj pH ntawm 6.5 thiab 8.5 yog kev nyab xeeb thiab noj qab nyob zoo, thiab cov chaw kho dej ua lub luag haujlwm tseem ceeb hauv kev ua kom cov dej uas peb haus tau zoo. Los ntawm kev paub txog pH qib hauv cov dej haus, peb tuaj yeem pab txhawb kev noj qab haus huv thiab ib puag ncig huv.
