Tasirin Tsabtace Kai na Super Hydrophobic Surface

Wettability wani muhimmin alama ne na m surface, wanda aka ƙaddara ta hanyar sinadaran abun da ke ciki da kuma ilimin halittar jiki na surface. Super-hydrophilic kuma super hydrophobic Halayen saman su ne manyan abubuwan da ke cikin nazarin ɓarna. The superhydrophobic (water-repellent) surface generally yana nufin saman cewa kusurwar lamba tsakanin ruwa da saman ya fi digiri 150. Abin da mutane suka sani superhydrophobic surface ne yafi daga shuka ganye - lotus leaf surface, "self-tsabta" sabon abu. Misali, digon ruwa na iya birgima a saman ganyen magarya, ko da ruwan najasa ya zuba a cikin ganyen, ba zai bar tabo a ganyen ba. Irin waɗannan halayen ganyen magarya mara lahani ana kiransu tasirin "tsaftacewa kai".

Lotus sakamako - Super hydrophobic ka'ida

Ko da yake mutane sun san da wuri da wuri na ganyen magarya tasirin "tsaftacewa", amma sun kasa fahimtar sirrin saman leaf magarya. Har zuwa 1990s, wasu masana kimiyya na Jamus guda biyu sun fara lura da wani microscope na lantarki, microstructure na leaf leaf, cewa tasirin "tsaftacewa" yana haifar da micron mastoid da kakin zuma a saman. Bayan haka, masana kimiyya sun yi nazari a cikin zurfin saman tsarin micron leaf na magarya kuma sun gano cewa akwai nanostructures a cikin mastoid leaf leaf, yayin da wannan tsarin dual micron da nano-structure shine tushen abubuwan da ke haifar da "tsaftacewa kai" a ciki. wani magarya leaf surface.

Me yasa irin wannan "m" surface zai iya haifar da superhydrophobic

Domin wani m surface na hydrophobic, lokacin da saman yana da ƙananan tsinkaya, wasu daga cikin iska za su kasance "kashe" tsakanin ruwa da kuma m saman, haifar da digo na ruwa mafi yawan lamba tare da iska, amma kai tsaye lamba tare da m saman sosai. yana raguwa. Tun da yanayin tashin hankali na ɗigon ruwa a cikin siffar ta yadda roughened surface yana kusa da mai siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar siffar da girman girman girman girman girman girman 150.

Ko da tare da wasu ƙazantattun abubuwa a saman, za su yi jujjuya digo, don haka saman zai sami damar "tsaftacewa" kai. Wannan saman tare da kusurwar lamba fiye da digiri 150 ana kiransa "super-hydrophobic surface", kuma kusurwar lambar sadarwa na kwayar halitta.ral hydrophobic surface ne kawai mafi girma fiye da 90 digiri.

A cikin natural duniya, sai dai cewa ganyen magarya yana da damar "tsabtar kansa", akwai wasu irin su shinkafa, tsire-tsire na taro da fuka-fuki kamar tsuntsaye. Mahimmancin mahimmanci na wannan tasirin "tsaftacewa" shine ƙari ga kula da saman tsaftacewa. , da kuma don rigakafin kamuwa da cututtuka. Domin ko da kwayar cutar zuwa saman ganye, za a wanke ta. Don haka kamar wannan, har ma da tsire-tsire na lotus da ke girma a cikin yanayin "datti" ba shi da sauƙi don yin rashin lafiya, dalili mai mahimmanci shine saboda wannan ikon tsaftacewa.