Raws li cov ntxhua khaub ncaws ntxhua khaub ncaws tau dhau los ua qhov nyiam tshiab hauv khw muag khoom, ntau tus neeg siv khoom tsis paub meej tias yuav mus xaiv qhov zoo li cas. Hauv tsab xov xwm no, peb tus kws tshaj lij tshuaj ntxhua khaub ncaws muab ob peb lub tswv yim tshwj xeeb, siv txoj hauv kev kuaj mob- zoo li cov txheej txheem kev kho mob hauv Suav teb ntawm "Saib xyuas, Auscultation, Nug, thiab Palpation"-kom "siv cov mem tes" ntawm qhov ua tau zoo - cov tshuaj ntxuav tes zoo. Hauv qab no, peb muab koj cov "pointers" ntau dua rau koj xaiv.
Saib (Saib)
Hais txog qhov tsos, ib qho khoom zoo - zoo yuav tshwm tsis muaj impurities los yog sib cais thaum saib ntawm qhov muag liab qab; conversely, inferior khoom feem ntau pom kev sib cais, tshwm tuab nyob rau hauv qab thiab nyias nyob rau sab saum toj. Tsis tas li ntawd, lub siab - cov tshuaj ntxuav tes zoo muaj cov xim ruaj khov uas tseem tsis hloov pauv txawm tias tom qab khaws cia ntev; cov khoom tsis zoo- cov khoom tsis zoo tuaj yeem pom cov xim tawg lossis fading. Thaum ua kev yuav khoom, ua tib zoo mloog rau daim ntawv lo: lub ntim ntawm cov tshuaj ntxuav tes yuav tsum qhia meej meej cov npe khoom, qhov hnyav, cov lus qhia siv, lub npe thiab chaw nyob, hnub tas sij hawm, thiab lwm yam ntsiab lus. Cov duab kos duab ntawm daim ntawv lo yuav tsum yog nkig thiab meej, tsis muaj cov cim ntawm tus cwj mem smudging lossis tev.
Auscultation (tsim)
Ib lub tshuab ntxhua khaub ncaws zoo muaj qhov ntshiab, ntev - cov tshuaj tsw qab. Tej zaum nws yuav muaj me ntsis acidic undertone, qee zaum nrog los ntawm ib daim ntawv faint astringent.
Nug (Nug)
Thaum xaiv cov khoom lag luam, ua kom nws yog ib qho tseem ceeb los nug cov lus nug txog cov chaw tsim khoom keeb kwm thiab keeb kwm yav dhau los -tshwj xeeb, txawm tias lawv yog ib lub tuam txhab tshwj xeeb tshaj lij- nrog rau cov khoom lag luam tag nrho lub koob npe nrov.
Palpation (kov)
Thaum kov los ntawm tes, lub siab - cov tshuaj ntxuav tes zoo ua rau muaj qhov sib txawv nruab nrab thiab muaj qhov sib xws. Hauv qhov sib piv, cov tshuaj detergents tsis zoo yuav hnov ntxhiab nplaum los yog nyias nyias, thiab tuaj yeem pom cov cim ntawm cov av nkos hauv qab.
Los ntawm kev siv cov kev qhia saum toj no, koj yuav tsum muaj peev xwm xaiv cov tshuaj ntxhua khaub ncaws kom ua tau raws li koj qhov kev cia siab. Tau kawg, muaj ob peb lub ntsiab lus ntxiv ntawm kev paub txog kev ntxhua khaub ncaws uas peb cov kws tshaj lij qhia koj kom nco ntsoov:
1. Solubility: Lub siab - cov tshuaj ntxuav tes zoo dissolves sai sai hauv dej thiab faib nws tus kheej sib npaug ntawm cov khaub ncaws. Cov khoom uas tsis yooj yim rau yaj- yuav tsum tau nplawm ntev heev - los yog tsuas yog muab cov tshuaj ntxuav hauv zos tsuas yog suav tias yog qhov tsis zoo.
2. Phosphorus-Dawb: Qhov no qhia txog kev ua phooj ywg ib puag ncig thiab kev nyab xeeb.
Tej zaum koj yuav tau hnov txog qhov tshwm sim hu ua "dej eutrophication." Siv lub pas dej ua piv txwv: yog tias eutrophication tshwm sim, algae thiab lwm yam kab mob hauv lub pas dej yuav pib ua kom nrawm nrawm. Yog li ntawd, cov pa oxygen hauv dej yuav poob qis, ua rau cov pa oxygen deprivation thiab tuag ntawm cov ntses thiab cw. Tag nrho cov ecosystem ntawm lub pas dej poob rau hauv kev tsis sib haum, thaum kawg hloov mus rau hauv lub pas dej ua ke ntawm cov dej tuag. Nyob rau hauv cov txheej txheem no, phosphorus ua raws li cov khoom noj stimulant rau microbial kev loj hlob, ua rau muaj kev hem thawj rau ib puag ncig.
Tsis tas li ntawd, phosphorus tuaj yeem cuam tshuam rau tib neeg lub cev kev nqus ntawm calcium, uas ua rau muaj mob xws li rickets. Yog vim li cas tsis txhob phosphate- muaj cov tshuaj ntxhua khaub ncaws yog tias tshem tawm cov phosphate residues thaum lub sij hawm ntxuav yog qhov nyuaj heev - txhais tau hais tias, rau koj txoj kev noj qab haus huv, koj yuav tsum tau siv dej ntau thiab sij hawm los ntxuav koj cov khaub ncaws kom huv si.
3. Cov khaub ncaws uas kho nrog cov tshuaj fluorescent whitening tej zaum yuav zoo li ci thiab zoo li tshiab; Txawm li cas los xij, cov neeg ua haujlwm no tsuas yog tsim qhov pom kev tsis pom kev ntawm kev huv, vim tias qhov tseeb stains tseem nyob.
4. Thaum cov khaub ncaws ntxhua nrog cov kua ntxhua khaub ncaws tau muab tshem tawm ntawm lub xyoo tom ntej, lawv cov dab tshos thiab cov cuffs yuav tsis daj.
