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.
Other rare causes of frequent urination are: 1  Interstitial cystitis - This is when the tissue on the bladder wall is inflamed. The cause of this condition is currently unknown, and there is no cure. 2  Diabetes - The frequent need to urinate is an early symptom of both Type 1 and Type 2 Diabetes.