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Bedsore tiv thaiv huab cua cushion: muaj nuj nqi thiab cov yam ntxwv ntawm bedsore tiv thaiv huab cua cushion
Bedsore tiv thaiv huab cua cushion: Thaum xub thawj, lub txaj tiv thaiv huab cua cushion tsuas yog siv rau kev kho mob. Tom qab ntawd, nrog tib neeg kev nkag siab txog kev paub txog kev noj qab haus huv, lawv ntawm nws tus kheej yuav khoom los tiv thaiv bedsore cua cushion. Cia peb saib cov haujlwm thiab cov yam ntxwv ntawm th...Nyeem ntxiv -
Dab tsi yog qhov kev ua haujlwm ntawm ntau hom geogrids thiab zoo npaum li cas yog lawv cov kev ua haujlwm ntawm kev qaug zog tawg
1, Dab tsi yog cov haujlwm ntawm ntau hom geogrids Raws li cov khoom siv feem ntau siv hauv kev tsim kho, geogrids ua lub luag haujlwm tseem ceeb hauv kev tsim kho txoj kev. Tib lub sijhawm, geogrids kuj tau muab faib ua ntau hom. Niaj hnub no peb yuav qhia txog lub luag haujlwm ntawm ntau hom geogrids. Yog...Nyeem ntxiv -
Kev txhim kho thiab kev siv ntawm kub galvanizing
Kub galvanizing, tseem hu ua kub-dip galvanizing thiab kub-dip galvanizing, yog ib txoj kev zoo ntawm hlau tiv thaiv corrosion, feem ntau yog siv rau hlau lug thiab chaw nyob rau hauv ntau yam industries. Nws yog cov txheej txheem thev naus laus zis kom tau txais txheej txheej los ntawm immersing steel, stainless hlau, cam khwb cia hlau thiab ...Nyeem ntxiv -
Dab tsi yog qhov txawv ntawm kev sib xyaw geomembrane thiab geotextile?
Dab tsi yog qhov txawv ntawm kev sib xyaw geomembrane thiab geotextile? Hauv daim ntawv thov kev ua haujlwm txhua hnub, peb tuaj yeem tiv tauj qee cov ntaub ntawv hu ua geotextile. Dab tsi yog qhov kev sib raug zoo ntawm cov khoom siv no thiab cov khoom sib xyaw geomembrane? Kab lus no yuav daws koj cov lus nug hnub no. Geotextile yog ib qho ...Nyeem ntxiv -
Kev ceev faj thaum tsim khoom thiab kev thauj mus los ntawm cov xim coated yob
Hauv daim ntawv thov txheej txheem ntawm cov xim coated yob, muaj qee qhov teeb meem me me uas peb yuav tsum tau ntsib. Cia peb ua cov ncauj lus kom ntxaws txog cov txiaj ntsig uas yuav tshwm sim. Ua ntej, cov ncauj lus kom ntxaws ntawm cov xim txheej yob: 1. Substrate khawb 2. Thaum ua veneers, them sai sai rau qhov khawb ntawm ...Nyeem ntxiv -
Koj yuav tsum paub meej txog ntau lub ntsiab lus tseem ceeb ntawm kev xaiv cov teeb tsis muaj duab ntxoov ntxoo
1. Saib ntawm qhov loj ntawm lub tsev kho mob chav ua haujlwm, hom kev ua haujlwm, thiab kev siv tus nqi khiav lag luam Yog tias nws yog kev ua haujlwm loj, chav ua haujlwm muaj qhov chaw loj thiab kev siv lub tshuab ua haujlwm siab, ces. Lub dai ob lub taub hau shadowless teeb yog thawj qhov kev xaiv. Ob chav taub hau shadowl ...Nyeem ntxiv -
Zaj duab xis tsim mechanism ntawm xim coated steel kauj
Txheej zaj duab xis tsim cov xim coated phaj feem ntau suav nrog txheej adhesion thiab txheej ziab. A Xim coated phaj txheej adhesion Thawj kauj ruam ntawm adhesion ntawm steel sawb substrate thiab txheej yog cov ntub dej ntawm cov xim coated phaj txheej rau saum npoo ntawm substrate....Nyeem ntxiv -
Vim li cas galvanized ntawv xeb?
Vim li cas galvanized ntawv xeb? Cov zinc yog corroded ib txwm, txwv tsis pub nws txhais tau hais tias zinc phaj yog impure thiab muaj impurities, xws li hlau. Zinc tiv thaiv lwm yam hlau. Tsis sib xws zinc txheej yuav nthuav tawm cov hlau sab hauv thiab ua rau corrosion. Los yog inadvertently tiv tauj nrog lwm yam hlau rau fo ...Nyeem ntxiv -
Txuj kev xyaum rau kev tsim kho ntawm geogrid hauv subgrade engineering
Kev tsim kho cov txheej txheem kev tsim kho kev npaj (cov khoom siv thauj mus los thiab teeb tsa) → kev kho lub hauv paus (kev tu) → geogrid nteg (ntev txheej txheem, sib tshooj dav) → muab tub lim (txoj kev, particle loj) → dov li lattice → qis daim phiaj nteg tsim. Kev tsim kho cov kauj ruam 1, Foundation kho cov neeg...Nyeem ntxiv -
Kev faib tawm ntawm cov ntawv galvanized raws li kev tsim khoom thiab kev ua haujlwm
Kev faib tawm ntawm cov ntawv galvanized raws li kev tsim khoom thiab kev ua haujlwm ① Kub-dip galvanized steel ntawv. Cov hlau nyias nyias yog immersed nyob rau hauv molten zinc da dej kom nws nto adhere rau ib txheej ntawm zinc. Tam sim no, nws yog tsim los ntawm cov txheej txheem txuas ntxiv galvanizing, uas yog, ...Nyeem ntxiv -
Lub sijhawm cia thiab ceev faj ntawm galvanized steel kauj
Txawm hais tias cov ntawv galvanized muaj qhov zoo corrosion kuj thiab galvanized txheej yog tuab, txawm tias nws siv sab nraum zoov ntev, xeb thiab lwm yam teeb meem kuj tuaj yeem zam tau. Txawm li cas los xij, ntau tus neeg yuav khoom yuav cov phaj hlau hauv ib lub sijhawm, uas yuav tsis muab tso rau hauv ...Nyeem ntxiv -
Kev cuam tshuam ntawm luv fiber ntau cov ntsiab lus ntawm geotextile rau qhuav thiab ntub lub xeev
Nrog kev nce ntawm PVA cov ntsiab lus hauv geotextile, lub zog qhuav thiab ntub lub zog ntawm cov khoom sib xyaw geotextile tau zoo heev. Lub zog qhuav / ntub dej ntawm cov ntshiab polypropylene geotextile yog 17.2 thiab 13.5kN / m feem. Kev cuam tshuam ntawm luv fiber ntau cov ntsiab lus ntawm 400g / m2 geotextile ntawm qhuav thiab ntub ...Nyeem ntxiv
