![]() Determination of vitamin B5(pantothenic acid) and provitamin B5 (D-fantothenol) in cosmetics by HPLC/UV and HPLC MS/MS 化妆品中维生素B5(泛酸)及维生素原B5(D-泛醇)的测定 高效液相色谱紫外检测法和高效液相色谱串联质谱法 |
![]() Optical functional films - Polyethylene terephthalate(PET) film - Determination of dimensional change on heating 光学功能薄膜 聚对苯二甲酸乙二醇酯(PET)薄膜 受热后尺寸变化测定方法 |
Find out:27688Items | First -Previous-Next -Last | [291] [292] [293] [294] [295] [296] [297] |