Cov kev kos duab zoo tshaj plaws tsim nyog tau pom tias yog qhov zoo tshaj plaws lub teeb! Teeb pom kev zoo koj cov duab kos tuaj yeem nthuav tawm kev sib tw vim tias muaj ntau yam kev ua kom pom kev teeb pom kev zoo thiab cov teeb txawb rau koj xaiv los ntawm qhov ntawd nws tuaj yeem nyuaj rau txiav txim siab seb tus qauv twg yuav muab cov teeb pom kev kos duab zoo tshaj plaws rau koj kev sau. Txawm li cas los, […]
Monthly Archives: Lub Xya hli ntuj 2017
Kuj pom laser diode. Lub teeb xa hluav taws xob (LED) yog cov khoom siv hluav taws xob semiconductor uas tso tawm lub teeb pom kev thaum hluav taws xob hluav taws xob hla nws. Lub teeb tsis ci tshwj xeeb, tab sis nyob rau hauv feem ntau LEDs nws yog monochromatic, tshwm sim ntawm ib nthwv dej. Tshaj tawm los ntawm ib qho LED tuaj yeem yog xim liab (ntawm lub yoj ntawm kwv yees li 700 nanometers) rau xiav-violet (hais txog […]