??c bi?t giá thành s? h?p lý, t?t nh?t trên th? tr??ng. M?i b?n tham kh?o thêm one s? m?u tem dán h?p nh?a m?i c?a IN24H.VN .Secondary fixation: To increase the distinction on the minute buildings inside the specimen and provides much more security, a secondary fixation is carried out working with osmium tetroxide (OsO4).Do v?y n?u có nhu