Xov xwm

Xov xwm

  • Nrov science tsab xov xwm (3): Lub cev muaj zog ntawm cov yas.

    Niaj hnub no luv luv qhia txog lub cev lub cev ntawm cov yas 1. Breathability Lub cua permeability yog cim nrog huab cua permeability thiab huab cua permeability coefficient.Cov huab cua permeability yog hais txog lub ntim (cubic meters) ntawm cov yas zaj duab xis ntawm ib tug tej thickness nyob rau hauv ib tug siab sib txawv ntawm 0.1 ...
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  • Kev nce qib digital ntawm kev tsim pwm

    Kev nce qib digital ntawm kev tsim pwm

    Digitalization tau nce qib ntawm kev nrawm hauv 2020. "Kev Lag Luam 4.0 Lub Hoobkas Yav Tom Ntej" nthuav tawm ntau yam txiaj ntsig coj los ntawm Kev Lag Luam 4.0 thiab cov khoom lag luam digital, suav nrog kev ntxiv dag zog rau kev sib raug zoo ntawm cov neeg siv khoom thiab cov chaw muag khoom, ua kom muaj txiaj ntsig ntau lawm thiab ...
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  • Qhov sib txawv ntawm cov yas degradable thiab cov yas tsis degradable

    Thaum pib ntawm kev txwv txiav yas, yuav tsum muaj ntau tus menyuam xav paub tias cov yas biodegradable yog dab tsi.Dab tsi yog qhov txawv ntawm cov yas degradable thiab cov yas tsis-degradable?Vim li cas peb siv cov khoom yas biodegradable?Dab tsi yog qhov zoo ntawm biodegradable plastics?Cia peb siv ...
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  • Keeb kwm ntawm Plastics (Simplified Version)

    Niaj hnub no, kuv yuav muab ib qho kev qhia luv luv rau koj txog keeb kwm ntawm plastics.Thawj cov khoom siv hluavtaws ua tiav hauv tib neeg keeb kwm yog phenolic resin ua los ntawm American Baekeland nrog phenol thiab formaldehyde hauv xyoo 1909, tseem hu ua Baekeland yas.Phenolic resins yog tsim los ntawm condensation reac ...
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  • Qhov zoo ntawm polylactic acid (PLA)

    Polylactic acid (PLA) yog ib qho polymerized nrog lactic acid ua cov khoom siv tseem ceeb, uas yog tag nrho cov khoom siv thiab tuaj yeem tsim dua tshiab.Cov txheej txheem ntau lawm ntawm polylactic acid tsis muaj kuab paug, thiab cov khoom tuaj yeem biodegraded kom ua tiav cov xwm txheej, yog li nws yog ib qho zoo tagnrho polyme ...
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  • Yas kev loj hlob keeb kwm

    Yas kev loj hlob keeb kwm

    Yuyao koom nrog kev lag luam yas ua ntej.Raws li cov ntaub ntawv muab los ntawm Yuyao City History Office, thaum ntxov li 1962, lub koom haum Yuyao Yongfeng Plastic Factory tau tsim nyob rau hauv Yongfeng Tuam Tsev nyob rau sab qaum teb ntawm lub nroog, tsim ib tug precedent rau Yuyao bakelite thiab yas ...
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  • Nrov science tsab xov xwm: Taw qhia rau lub hauv paus ntawm plastics (2)

    Ua raws li cov lus hais dhau los.Qhov kuv qhia rau koj hnub no yog: cov yam ntxwv tseem ceeb thiab kev siv ntawm cov yas tseem ceeb.1. Polyethylene-Polyethylene muaj qhov yooj yooj yim, zoo heev dielectric zog thiab tshuaj tiv thaiv, molding processability, tab sis tsis zoo rigidity.Nws ua...
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  • Nrov science tsab xov xwm: Taw qhia rau lub hauv paus ntawm plastics.

    Resin feem ntau yog hais txog cov organic compound uas yog khoom, semi-khoom los yog pseudo-khoom nyob rau hauv chav tsev kub, thiab feem ntau muaj ib tug softening los yog melting ntau yam tom qab rhuab.Thaum nws yog softened, nws raug cuam tshuam los ntawm sab nraud rog thiab feem ntau muaj ib tug nyiam ntws.Hauv kev nkag siab dav, qhov twg tuaj yeem Lub P...
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  • Kev nkag siab ntawm yas pwm

    Yas pwm yog cov ntawv luv rau kev sib xyaw ua ke siv rau compression molding, extrusion molding, txhaj tshuaj, tshuab moulding thiab qis ua npuas ncauj molding.Kev sib koom ua ke ntawm cov pwm convex thiab concave pwm thiab auxiliary molding system tuaj yeem ua cov khoom yas ntawm cov duab sib txawv thiab ...
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  • Tsev Neeg Hnub

    Tsev Neeg Hnub

    Nov yog lub Kaum Hli 10, 2017. Hnub zoo kawg.Cov tsev neeg txuas ntxiv ntawm peb lub tuam txhab mus ncig nrog cov tsev neeg me ntawm lawv cov neeg ua haujlwm.Txhawb kev sib pauv kev xav yav dhau los ntawm cov neeg ua haujlwm.Peb tau mus ua ke mus xyuas cov kiv puag ncig thiab kawm txog keeb kwm Suav.Txhua leej txhua tus muaj hnub zoo hnub no ...
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  • Hais txog kev xa khoom

    Hais txog kev xa khoom

    Txhua lub sijhawm peb xa khoom, peb siv cov ntim khoom tsim nyog tshaj plaws thiab xaiv qhov kev daws teeb meem zoo tshaj plaws raws li kev xav tau ntawm cov neeg siv khoom thiab kev ua haujlwm ntawm cov khoom, kom ntseeg tau tias cov khoom ncav cuag txhua tus neeg siv khoom nyab xeeb.
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