Labarai

  • Multifunctional polyvinyl butyral

    Polyvinyl butyral guduro yana da quite babban karfinsu, sanyi juriya, abrasion juriya, UV juriya da sauran ayyuka. Yana yana da kyau kwarai mannewa tare da gami, karfe, itace, ain, fiber kayayyakin, da dai sauransu Polyvinyl butyral guduro za a iya amfani da matsayin wani shãmaki abu don toughened gilashi. Na don ...
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  • Hanyar shirya polyvinyl butyral

    Furoti mai aiki da yawa wanda aka hada shi ta hanyar sinadaran polyvinyl butyral, da kuma tsayayya da hasken ultraviolet, ruwa, mai, da tsufa. Yana narkewa cikin methanol, ethanol, ketones, halogenated alkanes, aromatic solvents .. Yana da dacewa mai kyau tare da phthalates, benzene sebacate plasticizers, ...
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  • Aikace-aikacen ƙarshe na kyakkyawan boron nitride

    Kyawawan boron nitride (h-bn) kayan tukwane sune mahimman kayan sadarwa na microwave a cikin filin sararin samaniya, amma h-bn haɗin haɗin haɗin gwiwa ne tare da haɓakar haɓakar kai mai saurin zafin jiki mai ƙarancin aiki da kuma wahala mai wuya. Yawanci ana shirya shi ta zafin nama. Ba tare da dace ƙari ...
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  • Bambanci tsakanin kyakkyawan boron nitride da farin graphite

    Tsarin lu'ulu'u na kyakkyawan yanayi na boron nitride da graphite ana alakanta shi da yanayin kamala iri-iri. Kayan aikin inji, boron nitride abu ne mai laushi. Hardarfin Mohs ɗinsa, kodayake, yana shafar wahalar samfurin B2O3 da aka matse da gwargwado ...
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  • BHT, LAFIYA DON AMFANI DA ANTIOXIDANT

    BHT, gajerun kalmomin ButylHydroxyToluene, wani sinadari ne wanda ake amfani dashi a fannoni da yawa. Yana taimakawa wajen kiyaye ingancin abinci tare da inganta adana samfuran maniyyi daga dabbobi da jinsunan mutane daban-daban. A wannan yanayin, ana amfani da dukiyar antiviral, ban da na zamani ...
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  • Halin roba na ɗabi'a a cikin yanayin ƙarancin yanayi

    Roba ta jiki (CN), samfurin da aka samo daga ƙarshen Hevea brasiliensis, sananne ne ga kayan aikin injiniya, wasu daga cikinsu sun fi na waɗanda suke gogayya da ita. Koyaya, babban matakin rashin ƙarancin poly (cis-1,4-isoprene) yana sa shi mai saukin kamuwa da yanayin zafi-shaye-shaye. Fort ...
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  • GABA MUSK

    A cikin 1975, masana kimiyya na BASF Werner Hoffman da Karl von Fraunberg suka sanar da gano mahaɗan mai daɗin ƙamshi mai dumi, mai danshi da alamun 'ya'yan itace da strawberries. Sun kira shi Cyclomusk, amma hakan ba ta samu nasara ba saboda ba za ta iya gogayya da Galaxolide ba. Ci gaban ...
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  • Gano da Aikace-aikacen Macrocyclic Musk da polycyclic musk

    Masana kimiyya da turare sun san abubuwa da yawa game da macrocyclic misk tun daga 1920s, gami da aikin Farfesa Leopold Ruzicka (1922-1926), amma waɗannan sun yi tsada sosai don samar da taro. Bayan Yaƙin Duniya na II, masana sunadarai sun fara samo hanyoyin masu rahusa don samun ƙanshin musk na halitta. ...
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  • Chromite na Copper - Janar Aikace-aikace da Amfani

    Chromite na Copper wani nau'in ma'adinai ne wanda yake da mahimmanci ga masana'antu da yawa. Ana kiran shi sau da yawa chromium gari, chromite foda ko chromite gari. Haɗin sunadarai na CuCr2O4. An fi son wannan mahaɗin don aikace-aikacen masana'antu da yawa saboda ɗorewar ɗimbin zafi, resista ...
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  • Menene chromite na jan ƙarfe da yadda ake yin sa

    Chromite na Copper wani yanki ne wanda ba shi da asali tare da dabara Cu 2 Cr 2 O 5 wanda ake amfani da shi don haɓaka halayen a cikin haɗin kwayoyi. An fara bayanin kayan ne a cikin shekarar 1908. Kamfanin Inger Burton Adkins da Wilbur Arthur Lazier ne suka kirkireshi a Arewacin Amurka wadanda suka dogara ne da tambayoyin Germ ...
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  • Menene takamaiman aikin aiwatarwa yayin amfani da ammonium perchlorate azaman man fetur don jigilar sararin samaniya?

    Jirgin saman yana amfani da ƙarfen ƙarfe na ƙarfe da ammonium perchlorate, NH4ClO4, a matsayin mai mai mai ƙarfi don roket din da zai sake amfani da shi. Daidaitaccen daidaitaccen aikin shine: 3 Al (s) + 3 NH4ClO4 (s) barb2rightAl2O3 (s) + AlCl3 (s) + 3 NO (g) + 6 H2O (g) Cakuda halayen ya ƙunshi 5.75 g na Al da 7.32 g na NH4C ...
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  • Menene Ammonium Perchlorate?

    Ana samun ‘Perchlorates’ a cikin mahalli ta hanyoyi biyu daban-daban, ko dai a cikin yanayi mai ƙarfi (in babu ruwa) ko narkar da shi a cikin ruwa. Wuraren da ke da matakan matattakala sune Yammacin Texas da Arewacin Chile. Perchlorates rukuni ne na ƙananan zarra waɗanda suka haɗa da ...
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