Hais txog lub raj mis

Muaj cov iav fwj hauv kuv lub tebchaws txij thaum ub los. Yav dhau los, cov kws tshawb fawb ntseeg tias iav iav yog qhov tsawg heev nyob rau hauv ancient sij hawm. Lub raj mis iav yog lub thawv ntim khoom haus ib txwm nyob hauv kuv lub tebchaws, thiab iav kuj yog cov khoom ntim keeb kwm heev. Nrog ntau hom ntim cov ntaub ntawv dej nyab mus rau hauv kev ua lag luam, cov thawv iav tseem tuav txoj haujlwm tseem ceeb hauv kev ntim dej haus, uas yog qhov sib cais ntawm nws cov ntim ntim uas tsis tuaj yeem hloov los ntawm lwm cov khoom ntim.

rov siv dua thiab rov siv dua
Kev siv lub raj mis iav Qhov nyiaj ntawm lub raj mis rov ua dua tshiab yog nce txhua xyoo, tab sis tus nqi ntawm cov khoom siv rov ua dua tshiab no loj heev thiab ntsuas tsis tau.
Raws li lub koom haum ntim iav: Lub zog txuag los ntawm kev rov ua dua lub raj mis iav tuaj yeem ua rau lub teeb 100-watt teeb rau 4 teev, khiav lub computer rau 30 feeb, thiab saib TV program rau 20 feeb, yog li rov ua dua iav yog qhov tseem ceeb. yam.
Lub raj mis rov ua dua tshiab txuag lub zog, txo cov peev txheej pov tseg hauv qhov chaw pov tseg, thiab tuaj yeem muab cov khoom siv raw rau lwm yam khoom, suav nrog cov iav fwj. Txog 2.5 billion phaus ntawm lub raj mis yas tau rov ua dua xyoo 2009, tus nqi rov ua dua tsuas yog 28 feem pua, raws li Chemical Products Council's National Consumer Plastic Bottle Report.

Txau txheej txheem
Cov kab ntau lawm rau cov iav fwj feem ntau muaj cov tshuaj tsuag lub rooj muag khoom, cov hlua dai thiab qhov cub. Cov iav fwj thiab kev kho dej pem hauv ntej, iav fwj xav tau kev saib xyuas tshwj xeeb rau cov teeb meem ntawm cov dej phwj tuaj. Raws li qhov zoo ntawm cov iav fwj tshuaj tsuag, nws muaj feem xyuam rau kev kho dej, qhov chaw tu ntawm lub workpiece, hluav taws xob conductivity ntawm tus nuv, qhov loj ntawm huab cua ntim, tus nqi ntawm cov hmoov txau, thiab theem ntawm tus neeg teb xov tooj. Nws raug nquahu kom xaiv cov hauv qab no rau kev sim: ntu ua ntej
Ntu kev kho mob ua ntej ntawm iav lub raj mis txau muaj xws li pre-stripping, lub ntsiab stripping, kev kho deg, thiab lwm yam. Yog hais tias nws nyob rau sab qaum teb, qhov kub ntawm lub ntsiab stripping yuav tsum tsis txhob qis heev, thiab nws yuav tsum tau ceev kom sov. Txwv tsis pub, cov nyhuv ua tsis zoo;
Preheat seem
Tom qab pretreatment, nws yuav nkag mus rau hauv preheating seem, uas feem ntau yuav siv sij hawm 8 mus rau 10 feeb. Nws yog qhov zoo tshaj plaws rau lub raj mis iav kom muaj qee qhov seem ntawm cov hluav taws kub ntawm cov khoom siv tshuaj tsuag thaum nws mus txog cov hmoov txau hauv chav, thiaj li ua kom cov adhesion ntawm cov hmoov;