Compared with the classical corrugated sandwich without perforation, the corrugated sandwich with perforated pores in one of its face plate not only exhibits a higher SAC at low frequencies but also a better STL as a consequence of the enlarged SAC.
The performance factor is found to be higher in the perforated baffle than the baffle without perforation.
In the first years of this century, the AJCC defined pT4a as CCs infiltrating adjacent organs or structures without perforation of visceral peritoneum and pT4b as those perforating the visceral peritoneum [ 26].
The floor was lifted without perforation in 83.33% of cases.
The five-layered aluminum alloy/CFRP laminates resisted the impact of the flyer without perforation.
Then, the Schneiderian membrane was elevated by sinus lift elevator without perforation (Fig. 3).
However, it is blind to assess the safety of sinus lining during lifting without perforation.
Adhesiolysis of the cyst from the right carotid artery and vein, thymus, vertebrae, and trachea was performed without perforation.
The Schneiderian membrane was elevated without perforation, and the sinus cavity was grafted with DBBM mixed with venous blood.
Those assigned to group 1 sustained a 1-cm bipolar cautery injury to the bladder base without perforation of the bladder mucosa.
When the heat exchanger is equipped with baffles, the efficiency of two configurations was compared: a baffle with and without perforation.
