Ma polima achilengedwe: Zatsopano ndi Ubwino mu Moyo wa Tsiku ndi Tsiku Ma polima ndi mamolekyu akuluakulu opangidwa ndi mayunitsi obwerezabwereza otchedwa ma monomers, olumikizidwa ndi ma covalent bonds. Ma polima amapezeka mwachilengedwe m'njira zosiyanasiyana ndipo amachita gawo lofunikira pa moyo watsiku ndi tsiku. Ma polima amagawidwa m'magulu awiri akuluakulu: ma polima opangidwa ndi ma polima achilengedwe. M'nkhaniyi, ... Werengani zambiri
Kuwonongeka kwa Pulasitiki: Mavuto ndi Mayankho a Zachilengedwe Chiyambi Pulasitiki yakhala gawo lofunika kwambiri pa moyo wathu watsiku ndi tsiku. Yopezeka kumayambiriro kwa zaka za m'ma 20, zinthuzi zakhala chimodzi mwa zinthu zatsopano kwambiri, zomwe zasintha mbali zosiyanasiyana za moyo wa anthu. Kutha kwake kupangidwa kukhala zinthu zosiyanasiyana, pamodzi ndi mphamvu zake komanso kulimba kwake pansi pa kupsinjika, kumapangitsa kuti ikhale... Werengani zambiri
Zitsanzo za Pulasitiki: Zinthu Zamatsenga Zomwe Zinasintha Dziko Lonse Pulasitiki yakhala imodzi mwa zinthu zatsopano kwambiri m'mbiri ya anthu. Chifukwa cha kusinthasintha kwake, kulimba, komanso kuthekera kopangidwa kukhala mawonekedwe osiyanasiyana, pulasitiki yasintha mbali zambiri za moyo wamakono, kuyambira pa mafakitale kupita ku moyo watsiku ndi tsiku. Nkhaniyi ikambirana za mitundu ina ya pulasitiki yomwe imagwiritsidwa ntchito kwambiri, makhalidwe awo, ndi zitsanzo mu… Werengani zambiri
Pulasitiki: Zinthu Zosiyanasiyana Zokhala ndi Zovuta Zambiri — Pulasitiki ndi chimodzi mwa zinthu zogwiritsidwa ntchito kwambiri komanso zogwiritsidwa ntchito kwambiri padziko lonse lapansi masiku ano. Yopangidwa kuchokera ku ma polima osiyanasiyana opangidwa ndi organic, pulasitiki yalowa m'malo mwa matabwa, chitsulo, ndi galasi m'njira zambiri kuyambira pomwe idapezeka ndikugwiritsidwa ntchito koyamba kumayambiriro kwa zaka za m'ma 20. Komabe, ngakhale kuti ili ndi ubwino wake, pulasitiki … Werengani zambiri
Ubale Pakati pa Kapangidwe ndi Makhalidwe a Ma Polima Ma polima ndi ma macromolecule opangidwa ndi mayunitsi ang'onoang'ono obwerezabwereza, otchedwa ma monomers. Mitundu yosiyanasiyana ya ma polima imapezeka m'chilengedwe ndipo imatha kupangidwanso mwaluso. Zitsanzo za ma polima achilengedwe zimaphatikizapo mapuloteni, DNA, ndi cellulose, pomwe ma polima opangidwa ndi polyethylene, polystyrene, nayiloni, ndi polypropylene. Monga momwe zilili ndi molekyulu iliyonse yayikulu, kapangidwe ka… Werengani zambiri
Mitundu ya Ma Polima: Zinthu Zosiyanasiyana Zomwe Zikusintha Dziko Lonse Ma polima ndi zinthu zopangidwa ndi mamolekyu akuluakulu opangidwa ndi kusintha mamolekyu ang'onoang'ono otchedwa ma monoma. Ma polima amabwera m'njira zosiyanasiyana ndipo ali ndi zinthu zosiyanasiyana, zomwe zimapangitsa kuti akhale zinthu zosinthasintha kwambiri. M'nkhaniyi, tifufuza mitundu yodziwika bwino ya ma polima, momwe amagwirira ntchito, ndi momwe amagwiritsidwira ntchito… Werengani zambiri
Kupopera kwa Makonde: Njira, Njira, ndi Magwiritsidwe Ntchito Kupopera ndi njira ya mankhwala yomwe ma monomers amalumikizana kuti apange maunyolo ataliatali a polima. Pali mitundu iwiri ikuluikulu ya polymerization: kuwonjezera polymerization ndi polymerization ya makonde. Nkhaniyi ikambirana mozama za polymerization ya makonde—kuchokera ku tanthauzo lake ndi njira yake mpaka ntchito zake ndi ubwino wake. Tanthauzo la Kupopera kwa Makonde Kupopera kwa Makonde ndi mtundu wa … Werengani zambiri
Kuwonjezera Polima: Njira, Kugwiritsa Ntchito, ndi Ubwino mu Makampani Chiyambi Polima ndi njira ya mankhwala yomwe mamolekyu ang'onoang'ono a monomer amaphatikizana kupanga ma macromolecule akuluakulu otchedwa ma polima. Mtundu umodzi wodziwika bwino wa polymerization ndi kuwonjezera polymerization. Nkhaniyi ikufuna kufotokoza njira yoyambira yowonjezera polymerization, ntchito zake zosiyanasiyana zofunika m'mafakitale, ndi zabwino zake… Werengani zambiri
Chiyambi cha Kuyanjana ndi Polymerization Ma polima ndi mankhwala opangidwa ndi mamolekyu akuluakulu, aatali opangidwa ndi mayunitsi obwerezabwereza otchedwa ma monomers. Polymerization ndi njira ya mankhwala yomwe ma monomers awa amaphatikizika kuti apange ma polima. Njirayi ndi yofunika kwambiri mumakampani opanga mankhwala ndipo imathandizira kupanga zipangizo zosiyanasiyana zamtengo wapatali, kuphatikizapo mapulasitiki, rabala, ndi ulusi wopangidwa. … Werengani zambiri
Tanthauzo ndi Kapangidwe ka Ma Polima Ma polima ndi ma macromolecule opangidwa ndi mayunitsi ambiri obwerezabwereza, otchedwa ma monomers, ogwirizana pamodzi ndi ma covalent bonds. Mawu akuti "polymer" amachokera ku mawu achi Greek akuti "poly," kutanthauza "ambiri," ndi "meros," kutanthauza "gawo" kapena "gawo." Ma polima akhoza kukhala achilengedwe kapena opangidwa, ndipo amachita gawo lofunika... Werengani zambiri