Mat Properties. The catalytic converter shell has to be designed in such a way as to provide the required mounting pressure for a given catalyst substrate and a given mat. The mounting pressure of the mat increases exponentially during the compression from its initial bulk density to the final target density.
Sometimes a severely bloated stomach â along with constipation, nausea and vomiting â is due to a bowel obstruction, which is caused by scar tissue or a tumor. When these grow and press against the bowel, the bowels become blocked and hold in fluid and stool.
Bloating means to be made distended, as with air, water, or food. With humans, feeling bloated usually concerns the abdomen-- a general swelling or increase in waistline. Women have different reasons for feeling bloated from men, such as their menstrual cycles; men's reasons for bloating are more straightforward.