Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
틴달로미터는 물질의 산란을 측정하는 데 사용됩니다.tindalromiteoneun muljilui sanran-eul cheugjeonghaneun de sayongdoemnida.The tyndallometer is used to measure the scattering of substances.