Sentence examples for at first tests from inspiring English sources

At first, tests might use existing research aircraft like NASA's ER-2, a heavy version of the U-2, to release small payloads of particles and then measure the effects on solar radiation and the ozone layer.

At first, tests are carried out to obtain mechanical properties of the coating and the bond properties between the coating and the steel substrate.

At first, tests were performed on small amounts of soil (about 200 g, in plastic bench cells); then, the process was scaled up, testing approximately 400 kg of soil.

They won't buy the kind of freedom that sells them out at first test.

One postal official cautioned tonight against rushing to a conclusion on whether the mail contained anthrax, saying there had been several cases in which mail that at first tested positive turned out to be not contaminated.

When it joined the PEF scheme two years ago it suffered an exodus of fee-paying pupils whose parents worried about their children mixing with the wrong sort, and about falling standards (justifiably at first, test results showed).

Mean age was 6.2 days (SD 4.3) at first test, 15.7 (SD 8.1) at second test, and 21.4 (SD 8.6) at third test.

Consequently, the potential for steady formation of antioxidant uric acid from purines was reduced at first testing of the patients, which is shown in the red arrow of Figure 2.

Participants' age at first testing, i.e. end of 2006, varied between 20 and 68 years, with a mean age of 37.3 years (sd: 17.9) for CPs and 37.7 years (sd: 16.8) for controls.

Analyses were adjusted for age at first test.

Results of the repeated measurements in the two different laboratories were significantly different for IgGt0 (mean IV at first test: 3.0; at second test: 5.1; mean (95% CI) difference: 2.1 (1.5 to 2.6); p value < 0.001) as well as for IgGt3 (mean IV at first test: 3.3; at second test: 5.8; mean (95% CI) difference: 2.5 (1.8 to 3.2); p value < 0.001).