anal fistula (fistula in aÂ´no) one opening on the cutaneous surface near the anus, which may or may not communicate with the rectum. arteriovenous fistula one between an artery and a vein, either pathologic (such as a varicose aneurysm) or surgically created to ensure an access site for hemodialysis.
1 millibar (or hectopascal/hPa), is equivalent to 0.02953 inches of mercury (Hg). It is therefore only necessary to multiply a reading in millibars by the latter figure, to achieve the required conversion. E.g. for 1023 mbar, multiply by 0.02953=30.21 inches.
16 ounces. 2 inches of mercury. The engine regulator included in these types of kits will accept up to 14 of water column maximum (one half of one pound per square inch). This allows the engine regulator to be used for both natural gas (4-8 wc) and low pressure propane (11-14 wc).