negative test उदाहरण वाक्य

And of 51 people with negative tests who agreed to let themselves be stung, 11 had significant allergic reactions.
Developer testing compels a developer to focus on unit testing and to include both positive and negative test cases.
Gericom products often got very negative test results by computer magazines, often being the last one in comparison tests.
A negative test result isn't a license to engage in unhealthy habits such as smoking, boozing or overeating, Greene said.
The solution remaining yellow ( pH = 6.2 or above ) indicates a negative test, meaning the butanediol fermentation is used.

A negative test result shows a tight button or spot of red blood cells on the surface of the test dish.
If the positive control tests negative, there was probably an error with the batch, and likewise for a negative test showing positive.
FDA officials say a single positive result requires that the tissue be discarded, regardless of how many subsequent negative test results are obtained.
Please note the image of the wells on the test plate and the positive and negative test results look different . [ 2]
According to rules in place at the time, drug-testers were required to keep backup B samples of negative tests for only 30 days.