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part per million (ppm)
Known as:
ppms
, Part per Million
, Per Million
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A unit of proportion equal to 10E-6.
National Institutes of Health
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Related topics
Related topics
2 relations
Clinical Data Interchange Standards Consortium Terminology
ICH Unit of Measure Terminology
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2013
Highly Cited
2013
Highly photoluminescent carbon dots for multicolor patterning, sensors, and bioimaging.
Shoujun Zhu
,
Q. Meng
,
+7 authors
Bai Yang
Angewandte Chemie
2013
Corpus ID: 10229521
Fluorescent carbon-based materials have drawn increasing attention in recent years owing to exceptional advantages such as high…
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Highly Cited
2008
Highly Cited
2008
Plesovice zircon : A new natural reference material for U-Pb and Hf isotopic microanalysis
J. Slama
,
J. Košler
,
+11 authors
M. Whitehouse
2008
Corpus ID: 52885807
Review
2007
Review
2007
Coral Reefs Under Rapid Climate Change and Ocean Acidification
O. Hoegh‐Guldberg
,
P. Mumby
,
+14 authors
M. Hatziolos
Science
2007
Corpus ID: 12607336
Atmospheric carbon dioxide concentration is expected to exceed 500 parts per million and global temperatures to rise by at least…
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Review
2004
Review
2004
What have we learned from 15 years of free-air CO2 enrichment (FACE)? A meta-analytic review of the responses of photosynthesis, canopy properties and plant production to rising CO2.
E. Ainsworth
,
S. Long
New Phytologist
2004
Corpus ID: 25887592
Free-air CO(2) enrichment (FACE) experiments allow study of the effects of elevated [CO(2)] on plants and ecosystems grown under…
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Highly Cited
2000
Highly Cited
2000
The evolutionary fate and consequences of duplicate genes.
M. Lynch
,
J. Conery
Science
2000
Corpus ID: 6845237
Gene duplication has generally been viewed as a necessary source of material for the origin of evolutionary novelties, but it is…
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Highly Cited
1998
Highly Cited
1998
The chemical composition of subducting sediment and its consequences for the crust and mantle
T. Plank
,
C. Langmuir
1998
Corpus ID: 2940935
Highly Cited
1996
Highly Cited
1996
Nucleus-Independent Chemical Shifts: A Simple and Efficient Aromaticity Probe.
P. Schleyer
,
C. Maerker
,
A. Dransfeld
,
H. Jiao
,
N. van Eikema Hommes
Journal of the American Chemical Society
1996
Corpus ID: 207152799
,
Highly Cited
1996
Highly Cited
1996
Multicopper Oxidases and Oxygenases.
E. Solomon
,
U. Sundaram
,
T. Machonkin
Chemical Reviews
1996
Corpus ID: 34148042
Copper is an essential trace element in living systems, present in the parts per million concentration range. It is a key…
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Highly Cited
1984
Highly Cited
1984
The Piecewise Parabolic Method (PPM) for Gas Dynamical Simulations
P. Colella
,
P. Woodward
1984
Corpus ID: 3168334
Highly Cited
1979
Highly Cited
1979
Rapid evolution of animal mitochondrial DNA.
W. Brown
,
M. George
,
A. Wilson
Proceedings of the National Academy of Sciences…
1979
Corpus ID: 19078633
Mitochondrial DNA was purified from four species of higher primates (Guinea baboon, rhesus macaque, guenon, and human) and…
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