Kems Online. Gefällt Mal · 2 Personen sprechen darüber. Kems (Chems) este un joc de cărţi ce se joacă pe echipe. KEMS Online Store. Please choose one of the following actions to enjoy our online services. Renew your ADSL/GPON. Renew your ADSL/GPON. Upgrade your. The aim of this site is to keep contact within the Knudsen Effusion Mass Spectrometry (KEMS) community and keep informed of lastest news within the community.