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Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue [3]) is a liquid used to reduce the amount of air pollution created by a diesel engine. Specifically, DEF is an aqueous urea solution made with 32.5% urea and 67.5% deionized water .
PANS-OPS is an air traffic control acronym which stands for Procedures for Air Navigation Services – Aircraft OPerationS.PANS-OPS are rules for designing instrument approach and departure procedures.
Example of a ballistic table for a given 7.62×51mm NATO load. Bullet drop and wind drift are shown both in mrad and MOA.. A ballistic table or ballistic chart, also known as the data of previous engagements (DOPE) chart, is a reference data chart used in long-range shooting to predict the trajectory of a projectile and compensate for physical effects of gravity and wind drift, in order to ...
Cat species vary greatly in body and skull sizes, and weights: The largest cat species is the tiger (Panthera tigris), with a head-to-body length of up to 390 cm (150 in), a weight range of at least 65 to 325 kg (143 to 717 lb), and a skull length ranging from 316 to 413 mm (12.4 to 16.3 in).
Approach category definitions in the United States of America are similar to those defined by ICAO. They are defined in terms of V REF of a given aircraft, or if V REF is not specified, 1.3 V s0 at the maximum certificated landing weight.
While the simple case of stroking a cat is familiar to many, there are other areas in modern technological civilization where triboelectricity is exploited or is a concern: Air moving past an aircraft can lead to a buildup of charge called "precipitation static" or "P-static"; aircraft typically have one or more static wicks to remove it. [ 143 ]
As of 2017, the domestic cat was the second most popular pet in the United States, with 95.6 million cats owned [198] [199] and around 42 million households owning at least one cat. [200] In the United Kingdom , 26% of adults have a cat, with an estimated population of 10.9 million pet cats as of 2020.
A 2012 survey of 445 purebred pet cats and 45 shelter cats in Finland found an overall seroprevalence of 48.4%, [137] while a 2010 survey of feral cats from Giza, Egypt found a seroprevalence rate of 97.4%. [138] Another survey from Colombia recorded seroprevalence of 89.3%, [139] whereas a Chinese study found just a 2.1% prevalence. [140]