Dab tsi yog Cov txiaj ntsig ntawm Cov Khob Lub raj mis ntim

iav yog cov khoom siv hauv tsev qub uas tau nyob ib puag ncig txij li thaum ub Egypt. Nrog rau kev loj hlob ntawm tib neeg lub neej, kev lag luam iav tau tsim ntau hom iav nrog cov haujlwm tshwj xeeb, ua rau cov iav tsev neeg muaj kev vam meej, xws li iav mos txwv, iav photoelectric, iav nqus tsev vacuum, thiab lwm yam, tag nrho cov uas ua lub luag hauj lwm irreplaceable. nyob rau hauv lawv cov teb. Peb yuav qhia txog cov txiaj ntsig ntawm cov iav fwj ua cov ntim thiab piav qhia yuav ua li cas kom paub meej qhov zoo ntawm iav fwj.

1. Dab tsi yog qhov zoo ntawm cov iav fwj ntim

1. Cov khoom siv iav muaj cov khoom thaiv zoo, uas tuaj yeem tiv thaiv kev cuam tshuam ntawm cov pa oxygen thiab lwm yam gases rau cov ntsiab lus, thiab tib lub sijhawm tuaj yeem tiv thaiv cov khoom tsis zoo ntawm cov ntsiab lus los ntawm volatilizing rau hauv qhov chaw;

2. Lub raj mis iav tuaj yeem siv tau ntau zaus, uas tuaj yeem txo cov nqi ntim khoom;

3. Cov iav tuaj yeem hloov xim thiab pob tshab;

4. Cov fwj iav muaj kev nyab xeeb thiab huv si, muaj kev tiv thaiv corrosion zoo thiab acid corrosion kuj, thiab tsim nyog rau ntim cov kua qaub (xws li cov kua txiv hmab txiv ntoo, thiab lwm yam);

5. Tsis tas li ntawd, vim tias cov iav fwj tsim nyog rau kev tsim cov khoom siv tsis siv neeg puv cov kab ntau lawm, kev txhim kho cov iav tsis siv neeg lub raj mis filling tshuab thiab cov cuab yeej siv hauv Suav teb kuj tseem paub tab, thiab kev siv iav fwj los ntim cov txiv hmab txiv ntoo thiab cov kua txiv hmab txiv ntoo muaj tej yam khoom zoo hauv Suav teb.