Sentences with phrase «chemical analyses of samples»

They compared the changes of helium - 4 levels from chemical analyses of these samples with those from identical analyses performed in 2010.

The researchers conducted both genetic and chemical analyses of samples collected from human volunteers ranging in age from 1 to 75.

On Monday, a team of American and British scientists led by Thompson reported on their chemical analysis of a sample core bored out of coral on the most populated atoll of Kiribati, a postcard - worthy Pacific Ocean country comprising many small islands.

Not exact matches

The OPCW said: «The results of analysis by the OPCW designated laboratories of environmental and biomedical samples collected by the OPCW team confirm the findings of the United Kingdom relating to the identity of the toxic chemical that was used in Salisbury and severely injured three people.»

We provide an extensive range of chemical analyses on plant, soil and water samples for inorganic nutrients, trace elements and heavy metals.

The results of chemical analysis of soils samples collected before planting and harvest of the strawberries indicates that the organic matter content in the soil of the organic system was higher than that of the non-organic system (see table below).

For Golden Rice β - carotene, analysis of serum samples by liquid chromatography / atmospheric pressure chemical ionization - mass spectrometry (23) showed that the labeled β - carotene was absorbed intact after consumption of the cooked Golden Rice.

Scientists could seek to understand the subtle pressure of light that causes asteroids to change their spin, and could retrieve samples for dating and chemical analysis that would offer a clearer picture of Solar System material than do meteorites, which, although they are pieces of asteroids, are altered during their fall through Earth's atmosphere.

The chemical screening only requires a tiny sample of wood, which can be prepared for analysis in just 15 seconds.

Then, chemical analysis of water samples collected from boreholes showed that fluids flows northeast before emerging at Baby Bare, 52 kilometers away.

The analysis provided two outputs: «numbers representing physical measurements of» various chemicals, and a «gender determination» that indicates whether the sample's data fall within the typical range for males or females.

A multicenter team of researchers reports that a full genomic analysis of tumor samples from a small number of people who died of pancreatic cancer suggests that chemical changes to DNA that do not affect the DNA sequence itself yet control how it operates confer survival advantages on subsets of pancreatic cancer cells.

This information is important because if this chemical bond is not present, the dimer can be broken when manipulating the samples during lab analysis, thereby hindering accurate measurement of its concentration.

Once the rock samples were drilled, Curiosity's robotic arm delivered the rock powder to the Sample Analysis on Mars (SAM) instrument, where it was used for a variety of chemical analyses, including the geochronology — or rock dating — techniques.

All that's required is a field trip to gather large samples of leaves and then some chemical and x-ray analyses of the material back in the lab.

Their next step is a detailed chemical analysis of rock samples.

To help with understanding the crystal structure, Steve Hackney, professor of materials science at Michigan Tech, was able to provide crucial high - resolution images and diffraction patterns using transmission electron microscopy on ultrathin samples prepared with a diamond knife by Owen Mills, director of Michigan Tech's Applied Chemical & Morphological Analysis Laboratory.

A companion paper by Dang and Hegg involved a chemical analysis of the North American samples to pinpoint exactly which compounds are contained in the snow.

The development of ever more sensitive microscopy and chemical - analysis techniques will continue to produce new insights from existing samples into the foreseeable future — good news, considering that no nation appears to be close to returning humans to the lunar surface.

For example, nanoDESI will be used for analysis of oil samples and chemical imaging of Shewanella oneidensis, a common microbe of interest to cleaning up contaminated nuclear weapons sites.

Analysis of that sample showed that early Mars offered environmental conditions favorable for microbial life, including the key elemental ingredients for life and a chemical energy source such as used by some microbes on Earth.

Generate and evaluate lists of chemical features in dust samples using non-targeted analysis approaches.

If a farmer wants to understand the health and fertility of their soil, they could send a sample to a lab for chemical analysis.

While you are at the site, note that many spring locations have the «comments» sections enabled where you can read the experience of others (anywhere from helpful hints to actual lab samples of chemical composition analysis) of a particular spring you may be interested in.

This project is currently in Task 2, which is designed to determine what methods of sampling and analysis are suitable for characterizing the physical and chemical properties of crude oils with vastly differing chemical and physical compositions.

Through four tasks (out of six tasks), the Sampling, Analysis, and Experiment (SAE) Plan, is designed to characterize tight and conventional crudes based on identified key chemical and physical qualities and identify properties that may contribute to increased likelihood and / or severity of combustion events that could arise during handling and transport.

Note: emissions are estimated independently of the model, based on chemical analysis of ice core samples from Greenland, industrial production, etc..

However, both the driving force and the climate reconstructions over the pre-industrial era are based on the analysis of the natural archives of climate sensitive quantities, such as the growth of trees and seashells, and the changes of chemical, biological, and isotopic compositions in lake sediments and ice core samples.

These estimates resulted from studies of air bubbles recovered in ice cores from deep within Antarctica, Greenland and other glaciers, as well as chemical analyses of coral samples from beneath the sea.

In Secretary of State for the Home Department v Sergei Skripal [2018] EWCOP 6, Mr Justice Williams made a best interests decision that blood samples could be taken by the Organisation for the Prohibition of Chemical Weapons from Sergei and Yulia Skirpal in order that the Organisation for the Prohibition of Chemical Weapons (OCPW) could undertake their own analysis to find evidence of possible nerve agents.

Performed various test for collected patients blood samples by analyzing body fluids, blood typing, micro organism screening, chemical analyses, cell count of human body, etc..

Data management and figure / map production of chemical analysis results of groundwater and soil samples for a major Honeywell superfund site in Phoenix.

Chemical lab technician offering five years of experience in the scientific collection, testing, analysis and quality control of production samples.

These experiences include but are not limited to wide - ranging skills built on an assortment of site investigational activities at numerous locations from New York State to Georgia * air sampling (indoor & outdoor air / sub-slab air / influent & effluent process air) aquifer pump testing * chemical - oxygen injection (large volume) cone penetration testing (CPT) * ground penetrating radar (data collection & analysis) hydro - conduct...

I'm an Environmental Scientist and Engineer with 14 years of professional experience in chemical pollution, climate change, and renewable energy fields, specializing in instrument engineering, field sampling, programming and statistical data analysis.

Planned in - depth chemical water analyses, strengthening and improving the accuracy of industry standard sampling treatment techniques Accurately prepared specimens and specific chemicals for utilization in the laboratory environment.

Conducted Chemical and Microbiological analysis of incoming material, bulk samples, and finished products.