Mike McCune/Flickr. Definition: A British Thermal Unit (BTU) is the amount of heat energy needed to raise the temperature of one pound of water by one degree F. This is the standard measurement used to state the amount of energy that a fuel has as well as the amount of output of any heat generating device.
Causes of white particles in urine. White particles in urine may be caused due to: Urinary Tract Infection/ UTI: The urinary system is made of the kidneys, bladder, ureters, and the urethra. Sometimes, the urinary system may suffer from infections by bacteria, etc. and cause urinary tract infections.
1 White blood cells may be a sign of infection or kidney disease. 2  Casts. 3  Some types of kidney disease can cause plugs of material (called casts) to form in tiny tubes in the kidneys. 4  The casts then get flushed out in the urine.5  Casts can be made of red or white blood cells, waxy or fatty substances, or protein. Casts. 2  Some types of kidney disease can cause plugs of material (called casts) to form in tiny tubes in the kidneys. 3  The casts then get flushed out in the urine. 4  Casts can be made of red or white blood cells, waxy or fatty substances, or protein.