To investigate the speed of inflow of weak natural and organic acid preservatives as well as their dependence over the metabolic activity on the mobile, we investigated the brief-phrase effects of WOA injections to the medium.B?n nên tham kh?o các chính sách b?o m?t t??ng ?ng c?a các máy ch? qu?ng cáo c?a bên th? ba ?? có thông tin chi ti