Sentences with phrase «using soil samples»

Not exact matches

The rover's Sample Analysis at Mars (SAM) instrument that analyzes the soil and atmosphere around the rover using a mass spectrometer, a gas chromatograph and a tunable laser spectrometer to detect oxygen and carbon isotopes in carbon dioxide and methane samples to see if they are biochemical in origin.

To collect the samples, use either a soil auger or a small shovel and dig down about six to eight inches.

To be included, a study had to compare organic and conventional planting across similarly - sized areas, had to report on the sample size and error margins, and had to use organic methods that complied with the guidelines of certification organisations (such as the UK's Soil Association).

Before using produce from the school garden, the USDA recommends visiting the garden and asking the lead gardener about growing practices, including the history of the land use, water sources, soil sampling and results, use of fertilizers and pesticides, and animal control measures.

Samples of soil cores are used to make connections between soil types and plant communities.

Using historical aerial photo analysis, soil and methane sampling, and radiocarbon dating, the project quantified for the first time the strength of the present - day permafrost carbon feedback to climate warming.

Following an expected soft landing in the northern polar region, Phoenix will study the planet's ice cap and use a robotic arm to dig into the Martian subsurface, collecting ice and soil samples.

With this compelling demonstration of using ancient soil samples as proxies for regional climate in Asia, Caves now plans to extend his investigations elsewhere on the globe.

Dartmouth scientists examined the variability of soil phosphorus in the McMurdo Dry Valleys by evaluating two forms of phosphorus in surface soil samples: labile phosphorus, which is immediately available to organisms, and mineral phosphorus, which needs to be broken down by weathering before organisms can use it.

Susannah Tringe uses a corer to extract soil samples in a wetland on Twitchell Island in the Sacramento - San Joaquin River Delta.

The next NASA mission planning to use an MMRTG is the Mars 2020 rover, due to be launched as part of NASA's Journey to Mars, to seek signs of past life on the Red Planet, test technology for human exploration, and gather samples of rocks and soil that could be returned to Earth in the future.

Using the same samples, the team also traced the evolution of Y. pestis and confirmed that it evolved from a soil bacteria closely related to Yersinia pseudotuberculosis, a bacterium that causes Far East scarletlike fever in humans, and is most often spread through food.

In the laboratory, researchers extracted organic compounds from the pre-Harvey dust and post-Harvey soil samples and analyzed them using gas chromatography.

The sample material used by the team was loess, a fertile agricultural soil found in all parts of the world — which makes it a very important carbon store.

Using samples collected from the Liwu and Wulu river basins in Taiwan, which run off the central range, the team compared the radiocarbon profiles of organic carbon in the rock with the soil directly above it.

Later, comparing samples of multiple species of rice grown in numerous regions around the world, he found arsenic levels almost universally elevated, including in the U.S. Notably, much of the U.S. rice crop is grown in regions of the South where the soil is contaminated by old arsenic - based pesticides, once used by farmers to protect cotton crops from boll weevils.

Using existing low - cost and low - weight technology in new ways, the team created a modular «life detection platform» able to culture microorganisms from soil samples, assess microbial activity, and sequence DNA and RNA.

The Solution: Using supplies and equipment acquired mostly through eBay, Burd collected soil samples, isolated candidate microbes, and grew each in a culture.

Over the weekend, Phoenix scooped up a shovel - full of ruddy dirt using its 7.7 - foot (2.4 - meter) robotic arm to deposit into its Thermal and Evolved - Gas Analyzer, a suite of tiny, single - use ovens for baking soil and ice samples to study their chemistry.

The wafer can be used inside either an insulated handpiece for manual sampling or a longer probe for remote sampling of soil and spaces under buildings or in luggage or other containers.

Using bioinformatics, the computer wades through the information to give us a full complex of what's in that sample — whether it be invertebrates, fish, reptiles, amphibians, birds — anything that may be coming into contact with the water or soil.

They sent soil samples for DNA testing, looking for matches with particular genes known to be found in microbes and fungi; they tried to stimulate microbial growth on a wide variety of substances and then count the cells produced; and they used highly sensitive radiorespiration activity assays, which involve feeding the soil microorganisms a food source which has been labelled with radioactive carbon, which can then be used to detect if the microorganisms are active.

Now, a team led by mineralogist Carlos Rodríguez - Navarro at the University of Granada reports promising results from tests of an abundant soil bacterium, Myxococcus xanthus, on samples of limestone used extensively in historic buildings in Spain.

The researchers worked on sites in the Arctic and Antarctic and took precautions to limit the impact of sunlight and wind, using tarpaulins to protect their sample sites and positioning themselves on the middle of a glacier away from soil and other forms of polar wildlife which might contaminate the snow.

A team of Utah State University College of Engineering researchers developed a new primer — a tool used in DNA amplification — that simplifies the process of identifying bacteria found in soil and groundwater samples.

If a soil sample contains bacterial genes that produce enzymes used to convert carbon dioxide from the atmosphere into solid carbon, and these genes are active, researchers can conclude that microbes within the sample are actively storing carbon.

The cool thing about this technology is that if you take a small sample of soil, maybe 10 microns by 10 microns, you could theoretically use this technique to identify where the active members of that community.

At field sites in Iowa, Kansas and Wisconsin, they took soil samples using tools called corers — foot - long hollow tubes designed to slice through the soil.

But in the freezing and thawing soil layer, sequencing showed that bacteria within the soil samples were producing some intriguing proteins, including enzymes that snip long chains of carbon molecules, like cellulose from plants, into shorter, simpler sugar compounds that the bacteria can use as fuel.

The rovers (named Spirit and Opportunity) landed at different places, enabling them to use their special instruments to take soil samples from two areas.

Uses equipment to collect and analyze water and soil samples, as well as researches ways of minimizing the impacts of erosion, sedimentation and pollution on the environment.

Researchers at the INRS in Canada have isolated the key enzymes that A. borkumensis uses, and put them to work cleaning soil samples in the lab.

«For years, scientists at the APS have used these techniques to deepen our understanding of a wide variety of materials, from soil samples to new materials to biological matter,» said Kamel Fezzaa from sector 32 - ID at the APS.

See how engineers take a soil sample using her stunt double.

Sistiaga, Summons, and their colleagues plan to use similar geochemical biomarker techniques, coupled with micromorphological analysis, to analyze soil samples in Olduvai Gorge, Tanzania — a 1.8 - million - year - old site where some of the earliest evidence of human ancestry have been discovered.

These advances include the near - global three - dimensional sampling by the Argo array of temperature and salinity profiling floats and spaceborne measurements of sea surface salinity using the European Space Agency's Soil Moisture and Ocean Salinity (SMOS) spacecraft and NASA's Aquarius mission aboard the Argentine SAC - D spacecraft (which ceased operations in June 2015).

The models the research team used took into consideration various climate data, land use, soil samples, the growth of different crops, irrigation systems, population densities and industries.

Using techniques not unlike DNA fingerprinting, the scientists were able to detect the presence of antibiotic - resistant genes in soil samples gathered from all across the U.K.

Using scientific methods Skyland USA has developed a nonproprietary open source test method (PDF) that effectively and efficiently determines the compressed bulk density * of any green roof soil sample.

Used modern crime scene investigation techniques including swabbing for DNA lifting fingerprints and foot impressions collecting soil samples obtaining and executing search warrants and evidence preservation.

An Environmental Technician typically operates necessary equipment used to gather air, water and soil samples and test for pollutants.

Developed the crop scouting program still in use today including the soil sampling program and a cost sharing program between growers and land - lords.

• To obtain a position as an Environmental Technician with Troon Golf using talents in assessing pollutants in air, soil and water through effective collection and sampling procedures.

PROFESSIONAL EXPERIENCE SHARP HEALTHCARE, Livermore Falls, ME (6/2010 to Present) Biology Lab Assistant • Prepare specimens for laboratory experiments by following appropriate standards and procedures • Set up, adjust, calibrate and maintain laboratory and field equipment • Troubleshoot laboratory equipment to ensure that it is in proper working order when needed during experiments • Prepare specimens that need to be used in experiments in accordance to specific instructions provided • Analyze experimental data and ensure that interpreted results are properly documented and reported • Assist in conducting research and collecting information and samples such as soil, water, plants, animals and blood • Measure and weigh compounds and other materials to be used for testing purposes • Monitor all laboratory work to ensure that it complies with set laboratory standards • Provide technical support to scientists and monitor and observe experiments to increase informational database • Feed and look after livestock and laboratory animals • Provide support to operational programs such as fish hatcheries and greenhouses