Anti-counterfeiting method of wine product and bottle cap with coded lock

The invention relates to an anti-counterfeiting method of a product, in particular to the anti-counterfeiting method of a wine product and a bottle cap with a coded lock. The anti-counterfeiting method of the wine product comprises the following steps: the bottleneck of a wine bottle is provided with the bottle cap with the coded lock, and the needed password for the coded lock is opened and corresponds to a serial number, wherein, the password is matched with the serial number randomly; the password and the serial number are stored in a list of an inquiring system; after receiving serial number information, the inquiring system feeds the password back to an inquirer, and then the inquired serial number is listed in an inquired list; after receiving the information of the inquired serial number, the inquiring system feeds the information of the inquired serial number back to the inquirer; a label attached to the wine bottle is printed with an approach and the serial number for obtaining ...

Method for removing yellow film from part with rhodium-plated layer

The invention belongs to a surface treatment technology and relates to an improvement of a method for removing a yellow film from a part with a rhodium-plated layer. The method for removing the yellow film from the rhodium-plated layer of the part is characterized by comprising the following steps: performing electrolytic activation treatment on the yellow film on the rhodium-plated layer on the part; washing with water for the first time; performing acid corrosion; washing with water for the second time; neutralizing; washing with water for the third time; dehydrating; and drying. The invention provides an improved method for removing the yellow film from the part with the rhodium-plated layer, and by adopting the improved method, the yellow film on the part with the rhodium-plated layer can be thoroughly removed and the appearance quality of the part is ensured.

Method for In2O3 nano line low-temperature original position growth