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Elements

Known as: Chemical elements, Element, Elements [Chemical/Ingredient] 
A basic part of a whole. In chemistry, refers to a simple substance that cannot be broken down into smaller parts or changed into another substance… Expand
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2007
Highly Cited
2007
The cycles of the key nutrient elements nitrogen (N) and phosphorus (P) have been massively altered by anthropogenic activities… Expand
Review
2006
Review
2006
SUMMARY The phosphoenolpyruvate(PEP):carbohydrate phosphotransferase system (PTS) is found only in bacteria, where it catalyzes… Expand
Highly Cited
2005
Highly Cited
2005
We present the concept of circuit nanoelements in the optical domain using plasmonic and nonplasmonic nanoparticles. Three basic… Expand
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Review
2004
Review
2004
This review focuses on key aspects of the thermal decomposition of multinary or mixed hydride materials, with a particular… Expand
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Highly Cited
2003
Highly Cited
2003
All life is organized as cells. Physical compartmentation from the environment and self-organization of self-contained redox… Expand
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Review
2002
Review
2002
D ifferent areas in biology are often criticized for being either too myopic and not asking questions about how their results fit… Expand
Highly Cited
1997
Highly Cited
1997
Resumen en: We present a chemical evolution model for the Galaxy which assumes that the evolution of the halo and thick disk is… Expand
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Highly Cited
1975
Highly Cited
1975
Now acknowledged as a classic in the philosophy of science, A Realist Theory of Science is one of the very few books which has… Expand
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Highly Cited
1966
Highly Cited
1966
  • F. W. Gilcreas
  • American journal of public health and the nation…
  • 1966
  • Corpus ID: 27971196
1. Discussion Alkalinity of a water is its acid-neutralizing capacity. It is the sum of all the titratable bases. The measured… Expand
Highly Cited
1964
Highly Cited
1964
Abstract The rare earth pattern in sedimentary rocks is nearly constant and is considered to represent the relative abundances of… Expand
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