Xov xwm

​The multi-layer co-extrusion barrier should have a certain gas barrier function. The barrier property of multi-layer co-extruded film here refers ...

Lub hnab yog tsim los ntawm cov khoom siv; Tom qab teeb tsa cov khoom siv tsis raug, siv phau ntawv tseem ceeb hauv lub vijtsam tseem ceeb ntawm lu...

Cov zaj duab xis stretch yog rhuab los ntawm cov khoom siv, thiab cov duab ntawm lub thawv yog tsim los ntawm kev ua hauj lwm hauv paus ntsiab lus ...

Qhov tseeb, hauv kev nkag siab dav, ob qho tib si, lub ntsiab lus tseem ceeb yog calcium hydroxide, tab sis muaj qhov sib txawv ntawm kev siv tshua...

​In many materials, some people often can't distinguish similar materials, such as stretch film and protective film, many people can't distinguish ...

Kev siv lub neej dav dav ntawm co- cov yeeb yaj kiab extruded yog: cov hnab mis ntshiab, hnab nthuav qhia, thiab cov yeeb yaj kiab tiv thaiv hlau.

​Co-extruded film is used in pure milk bags, express bags, and metal protective films. It is characterized by good tensile properties and good surf...

Ua ntej, pulpotomy: lub hom phiaj ntawm pulpotomy yog tshem tawm cov kab mob coronal pulp, khaws cov hauv paus noj qab haus huv thiab cov ntaub so ...

Kev Ua Liaj Ua Teb: Txo cov av acidity, txhim kho cov qauv hauv av, thiab ua kom Bordeaux sib tov siv hauv cov txiv hmab txiv ntoo thiab zaub kom t...