Sentences with phrase «chemical compositions differ»
Not exact matches
Crowley explains that strontium is an effective isotope to use for this kind of geological tracking because it is so common and varies among rock types with differing chemical compositions or ages.
https://www.sciencedaily.com/
The chemical composition of basalts differs depending upon the temperature and composition of the mantle material from which they're derived.
Stereoisomers are substances which have the same chemical composition, yet differ in the spatial arrangement of their atoms.
The clues come from the chemical composition of our sun, which differs from that of nearby stars of about the same age.
Wiebke Niether, Gerhard Gerold and colleagues from FiBL (Switzerland) wanted to find out whether differing growing methods can influence the chemical composition, and potentially the flavor, of cocoa beans.
The slag differs in chemical composition from another artefact from the Stone Age settlement, a bead of folded sheets made of pure copper.
When these types of stars are found in binaries, the two members often display differing chemical compositions.
Individual pollutants differ from one another in their chemical composition, reactions with other chemicals, sources, persistence, ability to travel through the atmosphere, and impacts.
The UniChem connectivity search function allows users to find not only exact matches of their chemical structure across 60 million related molecules from 21 data sources worldwide, but also identifies «equivalent» structures that have the same atom connectivity while differing in stereochemistry or isotopic composition, or which exist in a different salt form.
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.
They differ not only in their production processes, but also in the type of carbon fiber and its weave and, most importantly, in the chemical composition of the synthetic resin used.
Human tears differ in chemical composition based on the cause of the tears (such as laughter / joy, sadness, or reaction to outside stimulus like onion fumes).