Sentence examples for low ozone from inspiring English sources
Alongside antibiotic therapy, a high ozone treatment (360 mV) improved survival of stock compared to those in a non-ozonated control (200 mV) and significantly so compared to low ozone treatment (320 mV).
The hole, actually a broad area of low ozone concentrations caused by chlorofluorocarbons and other synthetic compounds that destroy ozone, forms in September and October.
The survey's results were announced yesterday by the Pasadena laboratory and the National Aeronautics and Space Administration's Goddard Space Flight Center in Greenbelt, Md. Most Arctic winters in the last decade brought unusually low ozone coincident with an unusually cold stratosphere, according to the World Meteorological Organization.
For low ozone doses, no degradation of polymer was observable.
Very low ozone residuals (<0.01 mg/l) substantially inactivated FCV and AD40 under the studied conditions.
Comparable induction times were obtained for the OiC method under low ozone flux conditions.
The agreement also specified that the trees must have low ozone-forming potential and that DPW shall be responsible for the long-term maintenance of all trees planted pursuant to the agreement.
It was found that the most acidic catalyst 5 wt.% Ag-H-Beta-11 showed the lowest ozone decomposition.
Both methodologies conclude that seasonal mean daily 8-h maximum U.S. background ozone levels can be as high as 40 45 ppb over rural portions of the western U.S. Background fractions tend to decrease as modeled total ozone concentrations increase, with typical fractions of 75 100percentt on the lowest ozone days (<25 ppb) and typical fractions between 30 and 50% on days with ozone above 75 ppb.
The western region had the highest ozone level in New York State (47.8 ppb), and New York City had the lowest ozone level among 10 New York State regions (37.5 ppb).
The results show that moderate to low additions of ozone have a positive effect on the glucose consumption by S. cerevisiae and that the positive effects were achieved already at the lowest ozone dosage tested, i.e., 0.25 g.
