Which of the following is not the curing method of adhesive?
A: Anaerobic environment
B: Loss of solvent
C: Pressure on substrate
D: Cooling of hot melt
A: Anaerobic environment
B: Loss of solvent
C: Pressure on substrate
D: Cooling of hot melt
举一反三
- Which of the following methods do not belong to solvent extraction? () A: Simultaneous distillation and extraction; B: Solvent assisted flavor evaporation; C: Solid phase microextraction; D: Direct solvent extraction
- Which one is NOT the obtaining method for essential oils? A: Pressing B: Organic solvent extraction C: Hydrodistillation D: Hydrodiffusion
- pressure sensitive adhesive
- The external business environment in which a business operates is sometimes known as which of the following:() A: The national environment B: The macro environment C: The international environment D: The micro environment
- To avoid loss of antifreeze due to expansion, the cooling system . A: must install a bypass valve B: must not be completely filled C: must be sealed D: must install a pressure control valve