Zipangizo zotetezera ulusi wosasunthika zomwe zimagwiritsidwa ntchito popanga uvuni 4

Nkhaniyi tipitiliza kuyambitsa zipangizo zotetezera ulusi zomwe zimagwiritsidwa ntchito popanga uvuni

(3) Kukhazikika kwa mankhwala. Kupatula asidi wamphamvu wa alkali ndi hydrofluoric, sichimawonongeka ndi mankhwala aliwonse, nthunzi, ndi mafuta. Sichigwirizana ndi ma acid kutentha kwa chipinda, ndipo sichinyowetsa aluminiyamu yosungunuka, mkuwa, lead, ndi zina zotero ndi ma alloys awo kutentha kwambiri.
(4) Kukana kutentha. Ulusi wopingasa ndi wofewa komanso wotanuka, ndipo umalimbana bwino ndi kutentha, umalimbana bwino ndi kutentha mwachangu komanso kuzizira mwachangu. Sipayenera kuganiziridwa za kupsinjika kwa kutentha pakupanga ulusi wopingasa.
Kuphatikiza apo, mphamvu ya ulusi wotsutsa phokoso ndi kutchinjiriza mawu ndi zabwino. Pa mafunde a phokoso a 30-300Hz, mphamvu yake yotchinjiriza mawu ndi yabwino kuposa zipangizo zotchinjiriza mawu zomwe zimagwiritsidwa ntchito nthawi zambiri.
Nkhani yotsatira tipitiliza kuiperekazipangizo zotetezera ulusi wosasunthikaimagwiritsidwa ntchito popanga uvuni. Chonde khalani tcheru!