There are a multitude of available test procedures and methods for water and wastewater treatment operators. They range from colorimetric, titrimetric, electrometric (meter & probe), turbimetric, ...

Along with the development of new instrumentation, the test procedure itself was also standardized. By “walking” the potential probe toward the current probe and graphing the measurements, the ...

The testing of the semiconductor dies produced by a wafer fabrication plant involves a long series of operations requiring meticulous care. The time spent performing these tests markedly affects both ...

A brain natriuretic peptide (BNP) blood test measures the levels of BNP in a person’s blood. Doctors use BNP tests to indicate how well the heart is pumping blood throughout the body. Many healthcare ...

Audiometry is a non-invasive and painless procedure to measure hearing sensitivity of an individual. The hearing test is performed using sounds of single frequency, tested at various intensity levels ...

A stress echocardiogram is an imaging test that monitors the functioning of the heart by inducing a stress test, a stimulus that facilitates a stressful environment within the heart. Through ...

When people hear the term “slump,” most think about posture; think of concrete slump as "concrete posture." Pro Tip: While you can certainly perform the slump test procedure by yourself, it will go a ...

The waveforms of impulses are produced at the brainstem in response to the sound stimulus. These waveforms are recorded by the electrodes that are placed over the scalp at various places as follows: ...

Background Physical examination tests for hip dysfunction and injury of the strongest diagnostic accuracy were identified in a recent systematic review with meta-analysis in BJSM. These tests are ...

A colposcopy is a simple procedure that lets your doctor get a good look at your cervix. The exam takes as little as 5 minutes and is a lot like getting a Pap test. One of the biggest differences is ...