Cov Lus Qhia: Daim Ntawv Qhia Txog Cov Khoom Hluav Taws Xob thiab Cov Tawv Txoj Cai

Raws li peb paub,Khoom cua tawvThiab yog tawv tawv yog qhov sib txawv, kuj muaj qhov sib txawv ntawm tus nqi thiab tus nqi. Tab sis yuav ua li cas peb txheeb xyuas ob hom tawv no? Cia saib hauv qab cov lus qhia!

Siv Dej

Cov dej nqus ntawm cov tawv nruj thiabCov tawv tsiaj txhuis different, so we can use water to drop it on the leather to observe their water absorption. Ua siab zoo tos 2 feeb. Cov tawv muaj tseeb muaj ntau qhov pores, yog li cov dej nqus tau zoo dua li cov tawv nqaij synthetic. Yog li yog tias dej nqus tau tias xa mus rau cov tawv tiag, tsis li ntawd yog cov tawv hluavtaws.

Hnia

Cov tawv yog feem ntau ua los ntawm cov tsiaj tawv tsiaj. Tsiaj txhu muaj ntxhiab tsw tshwj xeeb, uas tseem tuaj yeem tsis hnov ​​tsw txawm tom qab ua. Thiab cov tawv hluavtaws muaj cov tshuaj tsw ntxhiab tsw lossis cov ntxhiab tsw zoo. Yog li peb tuaj yeem siv cov ntxhiab kom qhia qhov sib txawv.

Sib ti

Cov tawv nruj yog elastic, muaj ntuj quav thiab kev ntxhib los mos tsis yog khaub ncaws hnav thaum nias, uas nws xav tias heev muag.

Cov tawv hluavtaws yog tawv, thiab cov saum npoo yog du heev, ib txhia yuav zoo li yas. Kuj tseem muaj kev pheej hmoo tsis zoo, uas cov thaub qab yuav qeeb qeeb tom qab nias qis. Nyob rau tib lub sijhawm, koj tuaj yeem pom cov nias cov ntawv nyeem yog cov khaub ncaws zoo heev, thiab qhov indentation tuab yog zoo sib xws.

Nplaim

Txij li vim yog tawv tawv yog ua los ntawm cov tsiaj tawv nqaij, zoo li peb cov tawv nqaij, muaj ntau qhov hws ntawm nws. Cov hws no muaj ntau qhov loj me thiab tsis zoo nkauj heev. Yog li ntawd, cov pores ntawm cov tawv tsiaj tsim yog qhov tsis xwm yeem, thiab cov tuab tuab yuav tsis sib luag.

Cov tawv hluavtaws feem ntau yog tsim los ntawm kev txawj ntse los ntawm kev txawj ntse, yog li cov qauv lossis kab ntawm nws tsis tu ncua, thiab tuab yog hais txog tib yam.

Fline-kho

Siv lub ntais rau hlawv raws ntug ntawm tawv. Feem ntau, thaum yog tawv tawv yog hlawv, nws yuav emit cov plaub hau tsw. Ntawm qhov tod tes, cov khoom siv hluavtaws emits ua qhov tsw tsw qab, uas tsis txaus siab heev.