Duct leakage testing — A duct leakage tester is a diagnostic tool designed to measure the airtightness of forced air heating, ventilating and air conditioning (HVAC) ductwork. A duct leakage tester consists of a calibrated fan for measuring an air flow rate and a… … Wikipedia
Duct (HVAC) — A round galvanized steel duct connecting to a typical diffuser Fire resistance rated … Wikipedia
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
Sweat test — The sweat test measures the concentration of chloride and sodium that is excreted in sweat. It is used to diagnose cystic fibrosis (CF).BackgroundCystic fibrosis is caused by defects in a protein found in many tissues, including the airways and… … Wikipedia
Schirmer's test — determines whether the eye produces enough tears to keep it moist. This test is used when a person experiences very dry eyes or excessive watering of the eyes. It poses no risk to the subject. A negative (more than 10 mm of moisture on the filter … Wikipedia
bell-mouth inlet duct — A form of convergent inlet air duct used to direct air into the inlet of a gas turbine engine. The area of the duct gets smaller as the air flows into the engine. The duct is very efficient, especially where ram pressures are low, as in… … Aviation dictionary
Fire test — A fire test is a means of determining whether or not fire protection products meet minimum performance criteria as set out in a building code or other applicable legislation. Successful tests in laboratories holding national accreditation for… … Wikipedia
van den Bergh's test — a test to determine whether excess bilirubin in the blood is conjugated or unconjugated, and therefore whether jaundice in a patient is due to haemolysis or to disease of the liver or bile duct. A sample of serum is mixed with sulphanilic acid,… … Medical dictionary
van den Bergh's test — a test to determine whether excess bilirubin in the blood is conjugated or unconjugated, and therefore whether jaundice in a patient is due to haemolysis or to disease of the liver or bile duct. A sample of serum is mixed with sulphanilic acid,… … The new mediacal dictionary
biliary drainage test — examination of the contents of the duodenum at the site where the common bile duct empties into it; this is done when other, more conventional diagnostic tests for gallbladder disease reveal no pathology but the patient s symptoms persist.… … Medical dictionary
измерительный воздуховод — 3.8 измерительный воздуховод (test duct): Прямой жесткий канал в передней и задней областях испытуемого объекта, имеющий постоянную площадь поперечного сечения. Источник … Словарь-справочник терминов нормативно-технической документации
