Sentence examples for concentration in classrooms from inspiring English sources

The overall geometric mean NO2 concentration in classrooms was 32 ppb (60.2 μg/m), and the overall mean concentration of formaldehyde was 29 ppb (35.6 μg/m) during school hours on the days of measurement.

Nitrogen dioxide (NO2) and formaldehyde concentrations were measured in classrooms using passive diffusion badges.

Indoor air quality problems have been experienced in Portuguese school buildings where a study revealed that the CO2 concentrations in classrooms in winter were higher than the recommended health limits.

Implementation of these engineering controls throughout the school also led to a reduction in the variability of indoor air PCB concentrations in classrooms.

A study by Cruz (8) showed that CO2 concentration levels in classrooms exceeded the recommended level of the American Society of Heating, Refrigeration and Air Conditioning Engineers ASHRAEE) for acceptable indoor air quality (Fig. 1).

Local children were often underweight, with weak eyesight or poor concentration in the classroom.

"For any great teacher, at the heart of it is behaviour management and concentration in the classroom," he writes, adding "standards in our schools and kids getting jobs depend on it".

The device was CO2 controlled, using a real-time, self-calibrating CO2 sensor (Telair 6613 CO2 module, GE Measurement & Control, USA) to adjust the amount of outdoor air supplied, in order to achieve a target steady-state CO2 concentration in the classroom.

approach is not unique in focusing on primary literature, it is unusual in its combination of intensive analysis of a series of related publications with an email survey of their authors, and its concentration in the classroom on discussion and analysis aimed at simultaneously decoding the figures and tables, modeling the research process, and humanizing the scientists behind the papers.

Airborne NO2 concentrations in school classrooms were measured using passive diffusion badge monitors supplied by the CSIRO Division of Atmospheric Research; Clayton South, Victoria, Australia).

The normalized median concentration of airborne PCBs in classrooms was 76 ng/m3 following construction of false walls and was significantly different from full encapsulation of caulk. 1 Median of temperature-normalized and ventilation-normalized concentrations 2 Ventilation rates were improved by replacing filters and repairing fans in the unit ventilators.