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Nkhani Zamalonda

  • Kodi kuyika matumba apulasitiki mufiriji ndikovulaza?

    Kodi kuyika matumba apulasitiki mufiriji ndikovulaza?

    Kodi kuyika matumba apulasitiki mufiriji ndikovulaza?Poyankha izi, pakhalanso zoyeserera zochitidwa ndi mabungwe ofufuza oyenerera, ndipo zoyeserera zomaliza zawonetsa kuti zomwe zimatchedwa "matumba apulasitiki sangathe kuyikidwa mufiriji" ndi mphekesera zoyera.Ex...
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  • Tanthauzo la pulasitiki mu chemistry (II)

    Tanthauzo la pulasitiki mu chemistry (II)

    M'nkhaniyi, tikupitiriza kumvetsetsa kwathu kwa mapulasitiki kuchokera kumaganizo a mankhwala.Katundu wa pulasitiki: Kapangidwe ka pulasitiki kumadalira pa kapangidwe kake ka magawo ang'onoang'ono, momwe zigawozo zimasanjidwira, ndi momwe zimapangidwira.Mapulasitiki onse ndi ma polima, koma si ma polima onse ...
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  • Tanthauzo la pulasitiki mu chemistry (I)

    Tanthauzo la pulasitiki mu chemistry (I)

    Nthawi zambiri timaphunzira za mapulasitiki malinga ndi maonekedwe, mtundu, kupsinjika, kukula, ndi zina zotero, nanga bwanji za pulasitiki kuchokera kumaganizo a mankhwala?Synthetic resin ndiye chigawo chachikulu cha pulasitiki, ndipo zomwe zili mu pulasitiki nthawi zambiri zimakhala 40% mpaka 100%.Chifukwa cha zomwe zili zazikulu komanso katundu wa resin ...
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  • Kodi kuwonongeka kwa pulasitiki ndi kusintha kwa mankhwala kapena kusintha kwa thupi?

    Kodi kuwonongeka kwa pulasitiki ndi kusintha kwa mankhwala kapena kusintha kwa thupi?

    Kodi kuwonongeka kwa pulasitiki ndi kusintha kwa mankhwala kapena kusintha kwa thupi?Yankho lodziwikiratu ndi kusintha kwa mankhwala.M'kati mwa extrusion ndi Kutentha akamaumba matumba apulasitiki ndi mchikakamizo cha zinthu zosiyanasiyana mu chilengedwe chakunja, kusintha mankhwala monga wachibale molecular kulemera r...
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  • Kodi zamkati ndi chiyani?

    Kodi zamkati ndi chiyani?

    Zamkati ndi zinthu za ulusi zomwe zimachokera ku ulusi wa zomera pogwiritsa ntchito njira zosiyanasiyana.Zitha kugawidwa mu zamkati zamakina, zamkati zamakina ndi zamkati zamakina zamakina molingana ndi njira yopangira;itha kugawidwanso mu zamkati zamatabwa, zamkati za udzu, zamkati za hemp, zamkati za bango, zamkati zanzimbe, ba ...
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  • Pulp Quality Evaluation

    Pulp Quality Evaluation

    Ubwino wa zamkati umatsimikiziridwa makamaka ndi mawonekedwe ake a ulusi komanso ukhondo wa ulusi.Zomwe zili mbali ziwirizi zimatsimikiziridwa makamaka ndi mitundu yosiyanasiyana ya zipangizo zomwe zimagwiritsidwa ntchito, komanso njira yopangira ndi kuya kwake.Pankhani ya fiber morphology, zinthu zazikulu ndi avera ...
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  • Kodi matumba olongedza zakudya apulasitiki amakhala ndi alumali?

    Kodi matumba olongedza zakudya apulasitiki amakhala ndi alumali?

    Zambiri mwazinthu zomwe timagula m'moyo zimakhala zodziwika bwino ndi tsiku lotha ntchito, koma ngati mtundu wazinthu zopangira zinthu, kodi matumba apulasitiki amakhala ndi alumali?Yankho ndi lakuti inde.1. Nthawi ya alumali ya matumba apulasitiki ndi nthawi ya alumali ya mankhwala omwewo.Nthawi zambiri matumba a pulasitiki ...
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  • Tanthauzo la manambala pamabotolo apulasitiki (2)

    Tanthauzo la manambala pamabotolo apulasitiki (2)

    "05": Itha kugwiritsidwanso ntchito mukatsuka mosamala, kutentha kosagwira mpaka 130 ° C.Izi ndizinthu zokhazokha zomwe zimatha kutenthedwa mu uvuni wa microwave, kotero zimakhala zopangira mabokosi a nkhomaliro a microwave.Kutentha kwakukulu kwa 130 ° C, malo osungunuka mpaka 167 ° C, kusawoneka bwino ...
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  • Tanthauzo la manambala pamapulasitiki (1)

    Tanthauzo la manambala pamapulasitiki (1)

    Anzanu osamala apeza kuti mabotolo ambiri apulasitiki adzakhala ndi manambala ndi njira zina zosavuta, ndiye manambalawa akuyimira chiyani?"01": Ndi bwino kutaya mutamwa, osamva kutentha mpaka 70 ° C.Amagwiritsidwa ntchito muzakumwa zam'mabotolo monga madzi amchere ndi carbonated ...
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  • Momwe mungachotsere fungo la pulasitiki?

    Momwe mungachotsere fungo la pulasitiki?

    Mapulasitiki omwe angogulidwa kumene nthawi zina amakhala ndi fungo lamphamvu kapena lofooka la pulasitiki, lomwe silivomerezeka kwa anthu ambiri, ndiye kuti mungachotse bwanji fungo ili?1. Ikani pamalo opumira mpweya ndipo dzuŵa liume.Zina mwazonunkhira zidzachotsedwa, koma zimatha kukhala zachikasu.2. Yeretsani mkati mwa chikho ndi de...
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  • Munamanga bwanji matumba apulasitiki?

    Munamanga bwanji matumba apulasitiki?

    Ndinabwerera kumudzi kwathu masiku awiri apitawo, chifukwa ndinagwiritsa ntchito njira yolumikizirana mayi anga osamangirira thumba la pulasitiki, zomwe zinapangitsa kuti mayi anga avutike kutsegula kwa kanthawi.Pamapeto pake, ubwana wanga ndi thumba la pulasitiki linatha,,, Pali njira zambiri zomangira matumba apulasitiki, ndipo pafupifupi ...
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  • Kodi pulasitiki ndi zinyalala zotani?

    Kodi pulasitiki ndi zinyalala zotani?

    Tsopano aliyense akulimbikitsa kugawa zinyalala.Gulu la zinyalala limatanthawuza mawu oti zinyalala zimasanjidwa, kusungidwa, kuziyika ndi kunyamulidwa motsatira malamulo kapena miyezo ina, potero kuzisandutsa zinyalala.Ndiye garba wanji...
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