air test


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air test

An obsolete clinical test once used to detect incomplete placental expulsion at the time of delivery.
Method Injection of air into the umbilical cord with the placenta held under water to detect bubbles (and the rupture of vessels and/or cotyledons).
References in periodicals archive ?
Once fully expanded, an air test is performed and acrylic grout is injected under pressure and forced outside the pipe through the defects.
The Naval Air Test Center (NATC) was established at Patuxent River in June 1945.
The cyclic freeze/ UV-condensation/salt fog-dry air test that used 5 percent sodium chloride solution to generate salt fog produced a coating performance similar to that in a salt-rich environment including zinc-rich and waterborne coatings.
and the Naval Air Test Center in Patuxent River, Maryland, technicians found that although one wire type would erupt in a fireworks display of sparks and flame when fired upon, two other types would not.
In addition to pumping chemical grout into joint openings, they can also be used to air test joints.
On active duty with the Navy from 1968 to 1983, Schneider served as an engineering test pilot and instructor test pilot at the Naval Air Test Center in Maryland.
Qualified as a landing signal officer in 1952, he attended test pilot school at the Naval Air Test Center in Patuxent River, Md.
A health and safety officer at Warwickshire County Council said: "County council contractors were employed initially to carry out an air test to establish the levels of airborne dust, which confirmed that no significant quantity of asbestos was present in the atmosphere.
Navy awarded the company a support services contract for the Air Test and Evaluation Squadron 9 (VX-9).
If the joint fails the air test, then it will be sealed," adds Schantz.
The MH-60R Seahawk entered operational evaluation with Air Test and Evaluation Squadron 1, NAS Patuxent River, Md.
He said investigators will look at the company's procedures and said the state requires that an air test be conducted before someone enters a confined space like the tank.