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Ulwazi lomkhiqizo

  • Indlela yokubala inani lamapayipi ensimbi ku-hexagonal bundle?

    Indlela yokubala inani lamapayipi ensimbi ku-hexagonal bundle?

    Lapho izigayo zensimbi zikhiqiza iqoqo lamapayipi ensimbi, ziyawahlanganisa abe ama-hexagonal ukuze kube lula ukuhamba nokubala. Inqwaba inamapayipi ayisithupha ohlangothini ngalunye. Mangaki amapayipi kunqwaba ngayinye? Impendulo: 3n(n-1)+1, lapho u-n eyinombolo yamapayipi ohlangothini olulodwa lokuphuma...
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  • Uyini ngempela umehluko phakathi kwe-zinc-flower galvanizing kanye ne-zinc-free galvanizing?

    Uyini ngempela umehluko phakathi kwe-zinc-flower galvanizing kanye ne-zinc-free galvanizing?

    Izimbali ze-Zinc zimelela isici se-surface morphology yekhoyili ecwebile ehlanganiswe nezinc. Lapho umucu wensimbi udlula ebhodweni le-zinc, ubuso balo bumbozwa nge-zinc encibilikisiwe. Ngesikhathi sokuqina kwemvelo kwalolu ungqimba lwe-zinc, i-nucleation kanye nokukhula kwekristalu ye-zinc ...
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  • Indlela yokuhlukanisa i-hot-dip galvanizing kusuka ku-electrogalvanizing?

    Indlela yokuhlukanisa i-hot-dip galvanizing kusuka ku-electrogalvanizing?

    Yiziphi izigqoko ze-hot-dip ezijwayelekile? Kunezinhlobo eziningi ze-hot-dip coatings zamapuleti ensimbi nemicu. Imithetho yokuhlukanisa phakathi kwamazinga amakhulu—okuhlanganisa namazinga kazwelonke aseMelika, aseJapane, aseYurophu, nawaseShayina—iyafana. Sizohlaziya sisebenzisa...
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  • Uyini umehluko phakathi kwensimbi ye-C-channel nensimbi yesiteshi?

    Uyini umehluko phakathi kwensimbi ye-C-channel nensimbi yesiteshi?

    Umehluko obonakalayo (umehluko ekubunjweni kwe-cross-sectional): Insimbi yesiteshi ikhiqizwa ngokuginqika okushisayo, ekhiqizwa ngokuqondile njengomkhiqizo oqediwe yizigayo zensimbi. Isigaba sayo esiphambanayo sakha umumo othi “U”, onama-flange ahambisanayo nhlangothi zombili ngewebhu enwebekayo...
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  • Uyini umehluko phakathi kwamapuleti aphakathi nendawo nasindayo namapuleti ayisicaba?

    Uyini umehluko phakathi kwamapuleti aphakathi nendawo nasindayo namapuleti ayisicaba?

    Ukuxhumana phakathi kwamapuleti aphakathi nendawo nasindayo kanye nama-slabs avulekile ukuthi zombili ziyizinhlobo zamapuleti ensimbi futhi zingasetshenziswa emikhakheni ehlukahlukene yokukhiqiza nezimboni zokukhiqiza. Ngakho, uyini umehluko? I-slab evulekile: Ipuleti eliyisicaba elitholakala ngokuqaqa amakhoyili ensimbi, ...
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  • Uyini umehluko phakathi kwe-SECC ne-SGCC?

    Uyini umehluko phakathi kwe-SECC ne-SGCC?

    I-SECC ibhekisela eshidini lensimbi elakhiwe nge-electrolytically galvanized. Isijobelelo esithi “CC” ku-SECC, njenge-SPCC yezinto eziyisisekelo (ishidi lensimbi eligoqiwe elibandayo) ngaphambi kwe-electroplating, sibonisa ukuthi into esetshenziswayo evamile egoqwe ngokubanda. Ibonisa ukusebenza okuhle kakhulu. Ngaphezu kwalokho, ngenxa...
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  • Umehluko Phakathi kwe-SPCC ne-Q235

    Umehluko Phakathi kwe-SPCC ne-Q235

    I-SPCC isho amashidi ensimbi egoqelwe ebandayo esetshenziswa ngokuvamile, okulingana nebanga lase-China le-Q195-235A. I-SPCC ifaka indawo ebushelelezi, ebukeka kahle, okuqukethwe kwekhabhoni ephansi, izakhiwo ezinhle kakhulu zokwelula, kanye nokushisela okuhle. I-Q235 ikhabhoni ejwayelekile ...
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  • Umehluko Phakathi Kwepayipi neThubhu

    Umehluko Phakathi Kwepayipi neThubhu

    Liyini ipayipi? Ipayipi liyingxenye engenalutho enesiphambano esiyindilinga sokuhanjiswa kwemikhiqizo, okuhlanganisa uketshezi, igesi, ama-pellets nezimpushana, njll. Ubukhulu obubaluleke kakhulu bepayipi ububanzi bangaphandle (OD) kanye nobukhulu bodonga (WT). OD susa izikhathi ezi-2 ...
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  • Yini i-API 5L?

    Yini i-API 5L?

    I-API 5L ngokuvamile ibhekisela ekusetshenzisweni kwezinga lamapayipi ensimbi, okuhlanganisa izigaba ezimbili eziyinhloko: amapayipi ensimbi angenamthungo namapayipi ensimbi ashiselwe. Njengamanje, izinhlobo zamapayipi ensimbi ashiselwe ngokuvamile asetshenziswa kumapayipi kawoyela angamapayipi ashiselwe angaphansi kwe-arc ...
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  • Ubukhulu bepayipi lensimbi

    Ubukhulu bepayipi lensimbi

    Amapayipi ensimbi ahlukaniswa ngokuma kwesigaba esiphambanayo abe yindilinga, isikwele, unxande, namapayipi amise okukhethekile; ngamapayipi ensimbi esakhiwo sekhabhoni, amapayipi ensimbi anengxubevange ephansi, amapayipi ensimbi yengxubevange, namapayipi ayinhlanganisela; nangokufaka isicelo kumapayipi e...
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  • Indlela yokushisela amapayipi ama-galvanized? Yiziphi izinyathelo zokuphepha okufanele zithathwe?

    Indlela yokushisela amapayipi ama-galvanized? Yiziphi izinyathelo zokuphepha okufanele zithathwe?

    Izinyathelo zokuqinisekisa ikhwalithi yokushisela zihlanganisa: 1. Izici zobuntu yizona ezigxile kakhulu ekulawuleni ukushisela kwamapayipi kathayela. Ngenxa yokuntuleka kwezindlela ezidingekayo zokulawula i-post-welding, kulula ukusika amakhona, okuthinta ikhwalithi; ngesikhathi esifanayo, uhlobo olukhethekile lwe-galva...
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  • Iyini insimbi ? I-zinc inamathela isikhathi esingakanani?

    Iyini insimbi ? I-zinc inamathela isikhathi esingakanani?

    I-galvanizing inqubo lapho ungqimba oluncane lwensimbi yesibili lusetshenziswa ebusweni bensimbi ekhona. Ezakhiweni eziningi zensimbi, i-zinc iyona nto ehamba phambili yalokhu kunamathela. Lolu ngqimba lwezinc lusebenza njengesithiyo, luvikela insimbi engaphansi ezakhini. T...
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