Hanyoyin narkar da HPMC sun haɗa da: hanyar maganin ruwan sanyi nan take da hanyar maganin zafi, hanyar haɗa foda da hanyar jika ruwan sanyi na kwayoyin halitta. Ana yi wa maganin ruwan sanyi na HPMC magani da glyoxal, wanda ake watsawa cikin ruwan sanyi cikin sauri. A wannan lokacin, ina...
Gurɓatar iska da ruwa har yanzu tana ɗaya daga cikin manyan matsalolin duniya, wanda ke sanya muhimman halittu, hanyoyin abinci, da muhallin da suka wajaba ga rayuwar ɗan adam cikin haɗari. Gurɓatar ruwa galibi tana faruwa ne daga ions na ƙarfe masu nauyi, gurɓatattun abubuwa masu hana ruwa gudu, da ƙwayoyin cuta—masu guba, ...