Invitro fertilization oocytes collected from preanteral and early anteral follicle of buffalo.

Salt spray is one of the "three-proofing" test equipment in the artificial climate environment.It tests the corrosion resistance of products for various materials, including surface treatments such as coating, electroplating, anodizing, spraying, and rust-proof oil. It can also be used to compare the process quality of similar protective layers and products.