Trade agreement. Trade agreement, any contractual arrangement between states concerning their trade relationships. Trade agreements may be bilateral or multilateralâthat is, between two states or more than two states. 1  For most countries international trade is regulated by unilateral barriers of several types, including tariffs, nontariff barriers, and outright prohibitions.
Test Overview. A urine culture is a test to find and identify germs (usually bacteria) that may be causing a urinary tract infection (UTI) . Urine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi).But bacteria can enter the urethra and cause an infection.est Overview. A urine culture is a test to find and identify germs (usually bacteria) that may be causing a urinary tract infection (UTI) . Urine in the bladder normally is sterileâit does not contain any bacteria or other organisms (such as fungi). But bacteria can enter the urethra and cause an infection.
Urine culture refers to a urine test that is conducted to find bacteria that could cause a urinary tract infection. Bladder urine is supposed to be sterile and devoid of any bacteria or fungi, but sometimes bacteria enters the urine through the urethra, causing a urinary infection.rine culture refers to a urine test that is conducted to find bacteria that could cause a urinary tract infection. Bladder urine is supposed to be sterile and devoid of any bacteria or fungi, but sometimes bacteria enters the urine through the urethra, causing a urinary infection.