Chrome tanning is the most popular and widely used method utilizing basic chromium salts in leather processing.Only 60-70% of these salts react with collagen to form leather.The rest remains unreacted being released as toxic waste and causing severe environmental pollution in many developing countries.In the current study, a significant approach wa
The new industrial era has brought new opportunities and chances for the entire business development.Smart machines, artificial intelligence, cloud computing, the Internet of Things, big data are taking over many jobs and roles, thus leaving room for the development of new skills and abilities.The rapid technological development in terms of automat
For the strong noise gear fault vibration signal is relatively weak, and the transmission path is complex and variable, in the case of composite Short Sleeve faults, the modulation of different fault characteristics of the frequency, coupling, resulting in the actual acquisition of the fault characteristics are difficult to extract and separate.Aim