Sentences with phrase «on a chemical analysis»

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.

The managers at the company would file these away without reading them and sign off on the Chemical Analysis regardless — what kind of quality control is that?

These diets all rely on chemical analysis to verify their nutritional adequacy.

The urine will test positive on a chemical analysis for blood if you bring a sample to your veterinarian and it will be impossible to tell where the blood originated.

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

The findings were based on a chemical analysis of methane in the atmosphere.

* At least three years of experience as a chemical or process engineer * Demonstrated success working on chemical analyses and design projects * Focused, team - oriented demeanor * Strong communication skills and knowledge of chemical processes * Ability to oversee large projects through to completion

Not exact matches

The Organisation for the Protection of Chemical Weapons (OPCW) released analysis on Thursday supporting the conclusion of British military scientists that a Russian - made nerve agent was used on Sergei and Yulia Skripal in Salisbury last month.

When the Prime Minister read the summary outcomes of the Brexit sectoral analyses, did she happen to read about the impact of Brexit on chemicals?

New York - It may seem like another improbable application of «science» on CSI, but a forensic chemist has succeeded in using chemical analysis of sweat to distinguish individuals in relation to crime scenes.

And while he is relying on the stability of chemical processes to inform you, he would no doubt be insulted if someone told him that an analysis of the chemistry of ink and paper would yield an adequate understanding of this chapter.13

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

(8) A pass or fail rating based on the laboratory's microbiological, mycotoxins, heavy metals, and chemical residue analysis.

What did Faso say when Scott Pruitt moved to table a ban on a harmful pesticide that can cause severe learning disabilities in children, rejecting his own agency's analysis that said the chemical should be banned?

Its scope is unclear but the study will include an analysis of chemical contamination as well as where saltwater is intruding into our sole - source aquifer, not only on Nassau County's North Shore but across the region.

Attacks on Ghouta: Analysis of Alleged Use of Chemical Weapons in Syria.

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Increasing threat of terrorist attacks, the proliferation of narcotics, Chemical Weapons Convention treaty verification, and humanitarian de-mining efforts have mandated that equal importance be placed on the analysis time, as well as the quality of the analytical data.

Their analysis focused on the substantia nigra, a brain structure where Parkinson's disease kills neurons that use the chemical dopamine to communicate with other cells.

My first job entailed routine chemical analysis but also the chance to perform research on new chemical applications.

This is one of the first and most extensive studies that instead focused on the characteristics of the plant defensive traits through fieldwork and laboratory analyses of the anti-herbivore chemicals.

Analysis of substances on the rubber glove after a handshake revealed that chemicals from human secretions were transmitted through handshake alone.

Chemical analysis of even older rocks suggests that photosynthetic organisms were already well established on Earth by 3.7 billion years ago.

Crawford - Brown worked for a while on models of the effects of radiation and chemical exposure on human health, then wandered into decision analysis by the back door when the Environmental Protection Agency (EPA) started to use some of his scientific models.

«We carried out a risk - benefit analysis to evaluate all the chemical and physical parameters and concluded that there is no reason to be concerned about using plasma on people,» says Dr. Andreas Helmke, describing how Fraunhofer IST went about the process.

«If you know you're being continuously watched, you're less likely to cheat in the first place,» says Gómez - Ríos, who cites the psychological advantage of having the chemical analysis take place in front of the athlete on a regular basis.

Chemical analysis showed that its structure resembled that of a protein found on T cells.

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.

On his desk is a dual - purpose gadget: it can measure water turbidity, like a nephelometer; and it can do chemical analysis based on color, like a colorimeteOn his desk is a dual - purpose gadget: it can measure water turbidity, like a nephelometer; and it can do chemical analysis based on color, like a colorimeteon color, like a colorimeter.

The approach, called metabolomic analysis, provides a «chemical snapshot» that pictures in great detail what is going on within cells at a specific stage.

Using new chemical analyses of penguin guano extracted in sediment cores from a lake on the island, the researchers unraveled the history of the penguin colony.

He was developing a chemical - analysis apparatus based on a technique called Raman spectroscopy.

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.

Now, an extensive analysis of microbial genomes suggests that more than half of bacteria home in on chemical cues to reach a target, an ability called chemotaxis.

Based on biomass and chemical analyses, four dominant factors were identified: soil P, soil N, foliar P, and seedling age.

The discovery is discussed in «Chemical Analysis of Glass Beads from Igbo Olokun, Ile - Ife (SW Nigeria): New Light on Raw Materials, Production and Interregional Interactions,» which will appear in an upcoming volume of the Journal of Archaeological Science.

After years of inferring the existence of ancient water from chemical analyses and satellite photos, this is by far the most direct proof that water once flowed on Mars.

Los Alamos National Laboratory, in New Mexico, will lead development on SuperCam, the successor to Curiosity's ChemCam imaging and chemical analysis tool.

Tests on living organisms — in vivo — are more revealing than traditional chemical analyses.

In a separate analysis, they also found that three regions lacked the chemical modifications, or imprinting, that paternal genes impose on a fertilized embryo to prevent those genes from being activated.

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.

An interdisciplinary team of researchers at the University of Bayreuth has now discovered that there are arsenic compounds which have a toxic effect on plants and yet had not previously been considered in connection with chemical analyses of rice and the estimated health risks for humans.

Yet Mattingly and others insist this sort of analysis is on track to become more meaningful and perhaps useful for individuals in the next two or three years for some better - understood chemicals such as mercury and arsenic.

Using a combination of chromatography, X-ray fluorescence spectroscopy, and inductively coupled plasma emission spectroscopic analysis, they discovered that the pigment contains an anthocyanin part with an attached chemical group known as succinyl plus malonylflavone, a variation on the flavone theme.

Eschewing sole reliance on structural analysis, the team used two different types of chemical analyses: time - of - flight secondary ion mass spectrometry and infrared reflectance spectroscopy.

This isn't the first research conducted on the durian's unique scent; in 2012, a team of German researchers identified dozens of chemical compounds that create to combine the smell, publishing their analysis in the Journal of Agricultural and Food Chemistry.

The analysis was based on the conservative estimate of 68,000 registered chemicals.

ASTM E2834, Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Nanoparticle Tracking Analysis (NTA), and ASTM E2859, Guide for Size Measurement of Nanoparticles Using Atomic Force Microscopy, are both under the jurisdiction of Subcommittee E56.02 on Physical and Chemical Characterization.

Dr Gilchrist said: «This study suggests that we may improve significantly on the widely used analysis methods for determining gene expression levels from high throughput sequence data: absolute quantitation offers a much sounder basis for determining changes in gene expression level, a measure widely used to determine the consequence of genetic, chemical or physical disturbances in living systems.»

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.