Iindaba zoshishino
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Umgubo woMhlaba weDiatomaceous Uphucula Uzinzo kunye Nokusebenza Kakuhle Ngesakhiwo Sawo Esikhethekileyo seMicroscopic kunye Nezicelo Ezahlukeneyo
Umgubo womhlaba we-diatomaceous yinto emangalisayo ephuma kwiintsalela ze-diatoms ezifakwe kwi-fossilized, eziyi-algae ene-single-celled. Ezi diatoms zakhula emanzini afana neelwandle, amachibi, kunye nemilambo kwiminyaka eyi-2000 eyadlulayo. Njengoko zafa, iindonga zazo zeseli ezityebileyo ze-silica zaqokelelana...Funda ngokugqithisileyo -
Umgubo we-aluminium silicate wokwakha iingubo, iimveliso zeplastiki zorhwebo lwe-inki, izongezo zerabha
Umgubo we-aluminium silicate owenziweyo wenziwa ngeenkqubo zeekhemikhali. Umzekelo, indlela ye-sol-gel ibandakanya ukusabela kwiityuwa ze-aluminium (umz., i-aluminium nitrate) kunye nee-precursors eziqulethe i-silicon (ezifana ne-tetraethyl orthosilicate) kwisisombululo samanzi. Le mpendulo i...Funda ngokugqithisileyo -
Amaqhekeza erabha amnyama athengiswayo kunye nomgubo werabha wezinto zokwakha kunye nokubekwa kwendlela
Iinxalenye zerabha zinokufunyanwa kwimithombo emibini ephambili: irabha yendalo kunye nerabha yokwenziwa. Iinxalenye zerabha yendalo zifumaneka ikakhulu kwi-latex yomthi weHevea brasiliensis, ovela eBrazil kodwa ngoku utyalwa kakhulu kumazwe akuMzantsi-mpuma weAsia afana neMalaysia neIndonesia. Xa...Funda ngokugqithisileyo -
Isanti enemibala yokuhombisa i-aquarium izixhobo zokwakha ukuhombisa udonga lwendlela
Isanti enemibala ibhekisa kumasuntswana esanti adaywe okanye avela ngokwendalo kwiimibala eyahlukeneyo. Ingafunyanwa kwiiminerali zendalo okanye iveliswe ngokwendalo, nganye ineempawu kunye nokusetyenziswa kwayo. Isanti enemibala yendalo idla ngokuvela kwiiminerali ezifana ne-quartz, i-feldspa...Funda ngokugqithisileyo -
I-Chrome emthubi yeempawu zendlela imboni yepeyinti yezinto zokwakha imboni yezithuthi
I-Chrome yellow, eyaziwa ngamakhemikhali njenge-lead chromate (PbCrO₄), yipigment eqaqambileyo neqaqambileyo edume ngokwembali ngombala wayo oqaqambileyo. Yaqala ukwenziwa ngo-1809 yingcali yemichiza yaseFransi uLouis Nicolas Vauquelin, yakhawuleza yathandwa njengendlela engabizi kakhulu endaweni yeehagu zemveli ezityheli...Funda ngokugqithisileyo -
I-Cellulose yoshishino lokwenza amaphepha izinto zelaphu ishishini lokuqina kweplastiki
I-Cellulose, i-polysaccharide eyenziwe zii-monomers zeglucose ezidityaniswe zii-β-1,4-glycosidic bonds, yeyona polymer yendalo ininzi kakhulu eMhlabeni. Ifumaneka ikakhulu kwiindonga zeeseli zezityalo, inika ubulukhuni besakhiwo, ivumela imithi ukuba ifikelele kubude obukhulu kunye namagqabi ukugcina imo yawo.Funda ngokugqithisileyo -
Umgubo weWollastonite woshishino lokwenza iphepha leethayile zeseramikhi kushishino lweemveliso zerabha zeplastiki iintonga zokuwelda
Umgubo weWollastonite, iminerali ye-calcium metasilicate, unika iipropati ezikhethekileyo ezifana nomlinganiselo ophezulu wobuso, ukufunxwa komswakama okuphantsi, kunye nozinzo oluhle kakhulu lweekhemikhali, nto leyo eyenza ukuba ube sisongezelelo esibalulekileyo kumashishini amaninzi. Kwishishini lokwakha, umgubo weWollastonite uphucula kakhulu ...Funda ngokugqithisileyo -
I-Mica powder yezinto zokugquma ezinganyangekiyo kubushushu obuphezulu, iimveliso zerabha kushishino lweplastiki, ishishini le-elektroniki
Umgubo weMica, into esetyenziswa kwiindawo ezahlukeneyo zoshishino, uvela kwiiminerali zendalo zemica ezifana neMuscovite, eyaziwa ngokuba nemibala engenambala ukuya kwekhanyayo, kunye neBiotite, edla ngokubonisa imibala emnyama ukuya kwemnyama. Inkqubo yemveliso ibandakanya ulandelelwano olucokisekileyo lokutyumza i-ore eluhlaza kunye nokusila...Funda ngokugqithisileyo -
I-Wollastonite powder yee-brake pads, i-ceramic glaze surfaces, iimveliso ze-metallurgical, i-ceramics, ishishini leemoto
Umgubo weWollastonite yiminerali yemizi-mveliso ephuma kwi-wollastonite (CaSiO₃), iminerali ye-calcium metasilicate eyenziwe ngamatye e-metamorphic kunye ne-sedimentary. Imbiwa kakhulu e-US, e-China, e-India, naseMexico, i-ore eluhlaza iyatyunyuzwa, igaywa, kwaye icocwe (njengokwahlulwa ngemagnethi...Funda ngokugqithisileyo -
Ibhola yeseramikhi yezixhobo zokuthambisa izixhobo zezemidlalo izixhobo zokuthambisa unyango lwamanzi, iikhatalyst zokucoca umoya
Iibhola zeseramikhi zithathwe kwimigubo yeseramikhi ephucukileyo efana ne-alumina (Al₂O₃), i-zirconia (ZrO₂), i-silicon nitride (Si₃N₄), kunye ne-silicon carbide (SiC). Ezi zinto zokwenza imveliso, ezifunyenwe njengee-ultra-fine particles, zidlula kwiinkqubo ze-powder metallurgy: zidityaniswe nee-binders, zenziwa zibe yi-spherical prefo...Funda ngokugqithisileyo -
Isanti ye-tin titanium alloy yokwenziwa koomatshini kushishino lwe-elektroniki kushishino lwezithuthi inxalenye yokwenziwa
Isanti ye-alloy ye-Tin-titanium sisixhobo esikhethekileyo se-granular esenziwe nge-tin (Sn), i-titanium (Ti), kunye nee-alloys zazo, ezenzelwe ukusetyenziswa kwemizi-mveliso ekhethekileyo. Yenziwe ngokunyibilikisa, i-atomization, okanye i-alloying yoomatshini, amasuntswana ayo ayahluka ngobukhulu ukusuka kwi-powders ezicolekileyo ukuya kwi-granules ezirhabaxa, ezibonelela nge-ta...Funda ngokugqithisileyo -
UXiaoman oNgaphaya kokugqibelela ebhiyozela ubuhle bobomi phakathi kwamaxesha ahlukeneyo
I-Xiaoman, igama lelanga elidumileyo nelihlala likho, lisekelwe kwinkcubeko yamaTshayina, lisebenza njengomfundisi onzulu, linika ubulumko obuxabisekileyo malunga nokubaluleka kokufezekisa ukulingana ebomini bethu. Kwihlabathi elihlala lizukisa ukusukela okungapheliyo kunye nempumelelo engapheliyo, uXiaoman umi njengo...Funda ngokugqithisileyo