Haɗuwa.
Abinda ke ciki na jelly ne mai cakuda mota da kuma carbohydrates. An samo asali a yayin aiki da ɓangaren man fetur tare da maɓallin tafasa mai tushe, kuma abin da aka saba da shi ya koma tsakiyar karni na 19.
Jelly ya narke a 60 ° C, ya rushe a ether da chloroform, kuma ya haxa tare da dukkanin man fetur. Ba ya rushe a cikin ruwa ko a barasa, don haka lokacin da aka yi amfani da fata yana da wuya a wanke.
An samar da man fetur na jiki daga resins na paraffin na asali. Artificial - daga cakuda cisresin da paraffin tare da adadin tsabtaccen hadaddiyar kayan shafa ko man ƙanshi da abubuwa da ke ƙara danko. Artificial man fetur jelly yana da mummunan rawaya ko fari launi. Idan aka kwatanta da shi, shirye-shirye na halitta ya fi dacewa da muni, kuma yana da tasirin antimicrobial.
Aikace-aikacen man fetur jelly.
Nau'ukan Jirgin:
- fasaha,
- likita,
- kwaskwarima.
Manyan man fetur na fasahar jelly yana shafe mafi tsaftacewa. Ya launi zai iya samuwa daga rawaya zuwa launin ruwan kasa. Sabanin sauran nau'o'in, jelly na man fetur na da ƙanshin kerosene. Yana amfani da irin wannan man fetur a masana'antun don kare sassan karfe daga lalacewar lalacewar, don haɓaka masu tayar da wutar lantarki da kuma lubricate daban-daban lambobi. Abin da ke tattare da fasahar man fetur ya hada da acid, don haka idan ya fara samun fata, haushi zai iya faruwa.
Vaseline Medical , da kuma kwaskwarima, an tsabtace shi sosai kuma tana da launi mai launi. A magani, an yi amfani dashi a waje, a matsayin wakili mai mahimmanci da karewa, kuma a matsayin tushen magungunan magani. Tsarin ruwa yana taimakawa kare fata daga konewa lokacin da aka kafa kwalba. Kafin gabatarwa da iskar gas ko kuma iskar gas, ana amfani da matakan da zasu taimakawa don kare mummunan membran daga rauni. Yin amfani da Layer na bakin ciki na Vaseline yana taimakawa wajen warkar da ƙananan ƙwayoyin jiki a kan fata kuma sunyi laushi bayan an daura da rana, iska ko sanyi.
Ana amfani da samfurori na kwaskwarima a cikin masana'antu da creams. A cikin tsari mai tsabta yana da wuya a yi amfani dashi, tun da Vaseline zai iya zubar da ƙwayar fata kuma ya hana samun oxygen zuwa gare shi. Duk da haka, Vaseline yana da kyau don sauƙaƙa fata kafin a warkar da shi kuma ya kare fata bayan yawo ko kullun. Tsarin rana yana kiyaye lafiyar fata, ba tare da bar shi ba. Wannan dukiya yana da duka maɓalli da ƙananan tarnaƙi. Fayil na kariya mai kariya yana taimakawa fata don shakatawa da kuma farfadowa daga hanyoyin kwaskwarima. Duk da haka, tare da matsalolin fata, riƙewar ruwa adversely yana shafar matakai na dawowa.
A cikin lokuta masu mahimmanci, abin da ya faru da mummunan haɗari a shafin yanar gizo na aikace-aikace na jelly mai yalwaci ne. Idan aka yi amfani da fata, Vaseline ba shi da hankali a cikin jini, saboda haka ba shi da wata takaddama, sai dai saboda rashin haƙuri.