Kev lag luam thoob ntiaj teb bisphenol A (BPA) tau pom tias muaj kev txaus siab yuav khoom zoo dua los ntawm cov chaw tsim khoom lag luam txawv teb chaws thaum kawg Lub Kaum Hli. Cov chaw tsim khoom epoxy resin thiab polycarbonate thoob plaws sab hnub tuaj Asia, Middle East thiab South Asia tau nce qib kev npaj yuav khoom, thawb cov lus nug xa khoom mus rau Suav-...
Kev thov thoob ntiaj teb rau potassium formate tau pom tias muaj kev nce siab tsis ntev los no, uas tau tsav los ntawm kev nce qib sai ntawm kev tshawb nrhiav roj thiab cov haujlwm drilling thoob plaws Middle East thiab North America. Raws li cov khoom siv tseem ceeb rau cov kua dej drilling thiab ua tiav high-pressure high-temperature (HPHT), potassium ...