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Ko te nui o te HPMC e whakamahia ana i roto i ngā mahi mahi ka rerekē i runga i te āhuarangi, te pāmahana, te kounga o te paura konupūmā pungarehu o te rohe, te tauira o te paura putty me te "kounga e hiahiatia ana e ngā kiritaki". I te nuinga o te wā, kei waenganui i te 4 kg me te 5 kg. Hei tauira: ko te nuinga o te paura putty i roto i te B...Pānuihia atu»
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Ko tētahi o ngā rerekētanga nui i waenga i te moata maroke-ranu me te moata tuku iho ko te whakarerekētanga o te moata maroke-ranu ki te iti o ngā tāpiringa matū. Ko te tāpiri i tētahi tāpiri ki te moata paura maroke ka kiia ko te whakarerekētanga tuatahi, ko te tāpiri i ngā tāpiringa e rua, neke atu rānei, ka kiia ko te whakarerekētanga tuarua...Pānuihia atu»
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Ko te gypsum whakakore-pūkawa te hau paru i puta mai i te tahunga o ngā wahie kei roto he whanariki (waro, hinu), ngā para totoka ahumahi i puta mai i te tukanga purenga whakakore-pūkawa, me te gypsum hemihydrate (te tātai matū CaSO4· 0.5H2O), he rite te mahi ki tērā o te na...Pānuihia atu»
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Ko te mahi nui a te Hydroxypropyl methylcellulose (HPMC) ko te pupuri wai, te whakamātotoru me te whakapai ake i te mahi hanga i roto i te sima, te gypsum me ētahi atu rauemi paura. Ka taea e te mahi pupuri wai pai te ārai i te paura mai i te maroke me te pakaru nā te nui o te wai...Pānuihia atu»
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I ngā tau tata nei, me te whanaketanga tonu o te hangarau whakamarumaru pakitara o waho, te ahunga whakamua tonu o te hangarau hanga cellulose, me ngā āhuatanga pai o te HPMC tonu, kua whānuitia te whakamahinga o te HPMC i roto i te umanga hanga. Hei tūhura atu i te tikanga ...Pānuihia atu»
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Ko te ingoa Hainamana o te HPMC ko te hydroxypropyl methylcellulose. He kore-ionic, ā, he maha ngā wā ka whakamahia hei pupuri wai i roto i te moata maroke-ranu. Koinei te rauemi pupuri wai e whakamahia whānuitia ana i roto i te moata. Ko te tukanga whakaputa o te HPMC he hua ether e ahu mai ana i te polysaccharide i hangaia e te...Pānuihia atu»
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1. Ngā raruraru noa i roto i te paura putty Ko te tere o te maroke te take matua o te nui o te paura konupūmā pungarehu i tāpirihia (he nui rawa, ka taea te whakaiti i te nui o te paura konupūmā pungarehu i whakamahia i roto i te tauira putty) e pā ana ki te tere pupuri wai o te muka, ā, e pā ana hoki ki te maroke o...Pānuihia atu»
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I roto i te moata kua oti te whakaranu, mena ka taea e te iti o te cellulose ether te whakapai ake i te mahi a te moata mākū, ka kitea ko te cellulose ether te tāpiri matua e pā ana ki te mahi hanga o te moata. Ko te kōwhiringa o ngā momo rerekē, ngā matotoru rerekē, ngā pa rerekē...Pānuihia atu»
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Ko te āhuatanga tino nui o te cellulose ether ko tōna pupuri wai i roto i ngā rauemi hanga. Ki te kore e tāpirihia te cellulose ether, ka maroke wawe te paparanga angiangi o te moata hou, ā, kāore e taea e te sima te whakamakuku i te ara noa, ā, kāore e taea e te moata te whakapakeke me te whakatutuki i te piri pai. I te...Pānuihia atu»
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Ko ngā hua huaora katoa he mea ahu mai i te penupenu miro tūturu, i te penupenu rakau rānei, e hangaia ana mā te whakaetere. He rerekē ngā kaihoko whakaetere o ia hua cellulose. Ko te kaihoko whakaetere e whakamahia ana i roto i te hydroxyethyl cellulose (HEC) ko te ethylene oxide, ā, ko te kaihoko whakaetere e whakamahia ana i roto i te hydroxy...Pānuihia atu»
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Te whakamahinga o te hydroxypropyl methylcellulose i roto i te moata hangahanga, te moata whakapuru. Mā te pupuri wai nui ka tino makuku te sima, ka tino whakanui ake i te kaha o te here, ā, i te wa ano, ka taea te whakanui ake i te kaha kume me te kaha kutikuti, ka tino whakapai ake i te...Pānuihia atu»
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A. Te hiranga o te pupuri wai Ko te pupuri wai o te moata e pā ana ki te kaha o te moata ki te pupuri wai. Ko te moata kāore i te pupuri wai ka ngawari ki te toto me te wehewehe i te wa e kawe ana me te rokiroki, arā, ka mānu te wai i runga, ka totohu te onepu me te sima i raro. Me ...Pānuihia atu»