Sentences with phrase «different water samples»

Students complete a practical where they complete analysis on three different water samples.

The lesson can be extended with a practical session in which students work in small teams to investigate the salinity of different water samples — see the related extension activity «Water Treatment Systems» within the Related activities section below.

Not exact matches

«By measuring naturally occurring ammonium and iodide in numerous samples from different geological formations in the Appalachian Basin, including flowback waters from shale gas wells in the Marcellus and Fayetteville shale formations, we show that fracking fluids are not much different from conventional oil and gas wastes,» said Jennifer S. Harkness, lead author of the study and a PhD student at Duke's Nicholas School of the Environment.

We have 10,000 water samples to be analyzed for 20 different characteristics.

In collaboration with the Geneva Water Ecology Service (SECOE) and the PhycoEco environmental office in La Chaux - de-Fonds, Switzerland, the researchers analyzed the 90 or so samples taken in different rivers in Switzerland and determined their ecological status using the DI - CH.

The team used this ratio as a benchmark to identify and compare levels of mercury pollution caused by human activities across water samples from different oceans.

The scientists investigated the waters near Guam last winter using three different high - tech aircraft to collect air samples and examine the abundance, distribution and transformation of various gases in the tropical atmosphere.

In an expedition to the same region four years later, she had the chance to compare the measurements taken at different times, and found significantly less methane in the water samples.

In order to solve this question, the team took samples from the seabed, from the boundary layer between the seabed and seawater, as well as from different water layers in the tropical oxygen minimum zone during the Expedition M92 with the German research vessel METEOR in January 2013.

To answer that question, Schaider and her colleagues sampled water from 20 private wells throughout Cape Cod and tested the samples for 117 different contaminants.

By measuring POC in the different sinking fractions for each water sample, the team determined that median slow - sinking POC concentrations were 75 times higher than median fast - sinking POC concentrations.

Moreover, we do cruises and take samples of waters in different locations in order to study the regional distribution of ocean acidification.

The main areas covered in this work booklet are: Species Classification Distribution of organisms Sampling Predator prey graphs Adaptations Pyramids of biomass Carbon cycle Water cycle Eutrophication Global warming Food security Sustainable fisheries Microprotein Within the booklet are a range of different activities for students to work through to help them remember the content.

I got different samples for walking on marble, walking in water...

Also, I'm not clear whether these were the same water samples, had some overlap, or were entirely different.

The new ERSST4 temperature series includes an» (i) an increasing amount of ocean data from buoys, which are slightly different than data from ships; (ii) an increasing amount of ship data from engine intake thermometers, which are slightly different than data from bucket sea - water temperatures; and (iii) a large increase in land - station data...» and «More generally, buoy data have been proven to be more accurate and reliable than ship data, with better known instrument characteristics and automated sampling.»

There is contamination of the air in the bubble by water; different results are obtained if the ice is crushed or melted to obtain the air sample; it takes decades for the air bubble to form; the raw data was smoothed out by a 70 year moving average that removed the great annual variability found in the 19th century and Stomata Index (SI) records; closer examination revealed a major flaw in the hypothesis because temperature rises before CO2.

packed with common problems awaiting for solutions - global warming, urban air pollution, contaminants in drinking water / contains samples of distributions of variables, it is actually a very large Bayesian belief network, which can be used for assessment - level analyses and conditioning and optimising different decision / and discussions about the actual topics related to real - world decision - making, there is also a meta level in Opasnet.

Historic SST's are in large part little more than vague guesses using water drawn at all sorts of different depths, at different times of the day in different locations, samples often left in the sun, using un calibrated equipment and then the results interpolated in order to come up with data supposedly accurate to fractions of a degree..

As part of the Polluted Water Popsicles Project, the students traveled to 100 different locations throughout the country to collect water samples and turn them into frozen popsiWater Popsicles Project, the students traveled to 100 different locations throughout the country to collect water samples and turn them into frozen popsiwater samples and turn them into frozen popsicles.