Class information for:
Level 1: PL MATH ASTRON//FREE ENERGY HELMHOLTZ ENERGY//ISUA IRON FORMATION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
37434 58 20.4 30%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
1 4 ECONOMICS//EDUCATION & EDUCATIONAL RESEARCH//PSYCHOL 3876184
594 3       ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES//UV B RADIATION//ORIGIN OF LIFE 14910
2882 2             DEINOCOCCUS RADIODURANS//ASTROBIOL EXTREMOPHILES//PLANETARY PROTECTION 2848
37434 1                   PL MATH ASTRON//FREE ENERGY HELMHOLTZ ENERGY//ISUA IRON FORMATION 58

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PL MATH ASTRON address 1504208 17% 29% 10
2 FREE ENERGY HELMHOLTZ ENERGY authKW 526478 2% 100% 1
3 ISUA IRON FORMATION authKW 526478 2% 100% 1
4 LIFE RELATED ORGANIC MOLECULES authKW 526478 2% 100% 1
5 PHYS ELECT NANOPHYS address 263238 2% 50% 1
6 PL MATH ASTRON BIOCHEM address 263238 2% 50% 1
7 SCI THERMOPHYS PULSED ACT address 175491 2% 33% 1
8 CARDIFF ASTROBIOL address 75207 3% 7% 2
9 GIANT MOLECULAR CLOUDS authKW 47860 2% 9% 1
10 ASTROPHYSICS AND SPACE SCIENCE journal 42760 55% 0% 32

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Astronomy & Astrophysics 1727 71% 0% 41
2 Multidisciplinary Sciences 21 3% 0% 2
3 Microscopy 13 2% 0% 1
4 Geosciences, Multidisciplinary 7 5% 0% 3
5 Physics, Applied 4 9% 0% 5
6 Mathematics, Interdisciplinary Applications 2 2% 0% 1
7 Engineering, General 1 2% 0% 1
8 Physics, Fluids & Plasmas 1 2% 0% 1
9 Biology 1 2% 0% 1
10 Physics, Multidisciplinary 1 3% 0% 2

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PL MATH ASTRON 1504208 17% 29% 10
2 PHYS ELECT NANOPHYS 263238 2% 50% 1
3 PL MATH ASTRON BIOCHEM 263238 2% 50% 1
4 SCI THERMOPHYS PULSED ACT 175491 2% 33% 1
5 CARDIFF ASTROBIOL 75207 3% 7% 2
6 UNITE RECH LAITIE GENET PL 6266 2% 1% 1
7 ECON INFORMAT 4460 2% 1% 1
8 RUSSIAN SCI 2136 3% 0% 2
9 KURCHATOV 1773 5% 0% 3
10 TENNOJI KU 825 2% 0% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ASTROPHYSICS AND SPACE SCIENCE 42760 55% 0% 32
2 UMSCHAU 8490 2% 2% 1
3 RESEARCH & DEVELOPMENT 3927 2% 1% 1
4 MICROSCOPICA ACTA 3841 2% 1% 1
5 TECHNICAL PHYSICS 2355 9% 0% 5
6 QUARTERLY JOURNAL OF THE ROYAL ASTRONOMICAL SOCIETY 1387 2% 0% 1
7 IZVESTIYA AKADEMII NAUK SERIYA BIOLOGICHESKAYA 733 2% 0% 1
8 OBSERVATORY 722 2% 0% 1
9 NATURWISSENSCHAFTEN 463 3% 0% 2
10 LAIT 453 2% 0% 1

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 FREE ENERGY HELMHOLTZ ENERGY 526478 2% 100% 1 Search FREE+ENERGY+HELMHOLTZ+ENERGY Search FREE+ENERGY+HELMHOLTZ+ENERGY
2 ISUA IRON FORMATION 526478 2% 100% 1 Search ISUA+IRON+FORMATION Search ISUA+IRON+FORMATION
3 LIFE RELATED ORGANIC MOLECULES 526478 2% 100% 1 Search LIFE+RELATED+ORGANIC+MOLECULES Search LIFE+RELATED+ORGANIC+MOLECULES
4 GIANT MOLECULAR CLOUDS 47860 2% 9% 1 Search GIANT+MOLECULAR+CLOUDS Search GIANT+MOLECULAR+CLOUDS
5 INTERSTELLAR GRAINS 6418 2% 1% 1 Search INTERSTELLAR+GRAINS Search INTERSTELLAR+GRAINS
6 STANDARD ENTHALPY OF FORMATION 4576 2% 1% 1 Search STANDARD+ENTHALPY+OF+FORMATION Search STANDARD+ENTHALPY+OF+FORMATION
7 ORGANIC MATERIAL 2798 2% 1% 1 Search ORGANIC+MATERIAL Search ORGANIC+MATERIAL
8 FERRIHYDRITE 1358 2% 0% 1 Search FERRIHYDRITE Search FERRIHYDRITE
9 INTERSTELLAR MEDIUM 1255 2% 0% 1 Search INTERSTELLAR+MEDIUM Search INTERSTELLAR+MEDIUM
10 NUCLEOBASES 997 2% 0% 1 Search NUCLEOBASES Search NUCLEOBASES

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 DEMIDOV, BA , (2003) OBTAINING HIGH PRESSURES AND METASTABLE STATES IN CONDENSED MEDIA BY USING HIGH-CURRENT RELATIVISTIC ELECTRON BEAMS.PLASMA PHYSICS REPORTS. VOL. 29. ISSUE 7. P. 618-625 6 100% 0
2 WICKRAMASINGHE, NC , JAZBI, B , HOYLE, F , (1991) THE EXTINCTION OF STARLIGHT REVISITED.ASTROPHYSICS AND SPACE SCIENCE. VOL. 186. ISSUE 1. P. 67-80 5 83% 1
3 HOYLE, F , WICKRAMASINGHE, NC , AL-MUFTI, S , (1999) THE ULTRAVIOLET ABSORBANCE OF PRESUMABLY INTERSTELLAR BACTERIA AND RELATED MATTERS.ASTROPHYSICS AND SPACE SCIENCE. VOL. 268. ISSUE 1-3. P. 273-287 3 100% 0
4 HOOVER, RB , HOYLE, F , WICKRAMASINGHE, NC , HOOVER, MJ , AL-MUFTI, S , (1999) DIATOMS ON EARTH, COMETS, EUROPA AND IN INTERSTELLAR SPACE.ASTROPHYSICS AND SPACE SCIENCE. VOL. 268. ISSUE 1-3. P. 197 -224 5 56% 2
5 WICKRAMASINGHE, C , (2003) ELEVATING THE STATUS OF DUST.ASTROPHYSICS AND SPACE SCIENCE. VOL. 285. ISSUE 2. P. 497-509 4 50% 0
6 WICKRAMASINGHE, NC , HOYLE, F , (1999) THE ASTONISHING REDNESS OF KUIPER-BELT OBJECTS.ASTROPHYSICS AND SPACE SCIENCE. VOL. 268. ISSUE 1-3. P. 369-372 2 100% 1
7 HOYLE, F , WICKRAMASINGHE, NC , JABIR, NL , (1999) 2.8-3.6 MU M SPECTRA OF MICRO-ORGANISMS WITH VARYING H2O ICE-CONTENT.ASTROPHYSICS AND SPACE SCIENCE. VOL. 268. ISSUE 1-3. P. 167-171 2 100% 0
8 DEMIDOV, BA , EFREMOV, VP , IVKIN, MV , IVONIN, IA , PETROV, VA , FORTOV, VE , (2000) EVOLUTION OF THE GLOW OF AN AEROGEL IRRADIATED WITH A HIGH-POWER PULSE ELECTRON BEAM.TECHNICAL PHYSICS. VOL. 45. ISSUE 7. P. 870-877 3 60% 1
9 MAJEED, Q , WICKRAMASINGHE, NC , HOYLE, F , (1988) MINERAL GRAINS AND THE 10-MUM AND 20-MUM SPECTRAL FEATURES IN THE TRAPEZIUM NEBULA.ASTROPHYSICS AND SPACE SCIENCE. VOL. 141. ISSUE 2. P. 399-405 3 100% 0
10 JABIR, NL , HOYLE, F , WICKRAMASINGHE, NC , (1983) ON THE OPTICAL-PROPERTIES OF BACTERIAL GRAINS .1..ASTROPHYSICS AND SPACE SCIENCE. VOL. 91. ISSUE 2. P. 327-344 4 100% 2

Classes with closest relation at Level 1


Rank Class id link
1 17877 PLANETARY PROTECTION//BIOTECHNOL PLANETARY PROTECT GRP//PANSPERMIA
2 2426 ISM LINES AND BANDS//DUST EXTINCTION//ISM MOLECULES
3 11875 CARBONACEOUS CHONDRITES//MURCHISON METEORITE//ASYMMETRIC PHOTOLYSIS
4 511 COMETS//COMETS GENERAL//COMETS INDIVIDUAL 67P CHURYUMOV GERASIMENKO
5 30771 ULTRAVIOLET ASTRONOMY//AEGORA GRP//AEGORA
6 15054 RARE GAS SOLIDS//ACTIVATION SPECTROSCOPY//EXCITON INDUCED DEFECTS
7 31666 MULTIWAVELENGTH SPECTROSCOPY//POLYMERS OIDS POLYCOL//NIFHI
8 10666 HADEAN//JACK HILLS//EOARCHEAN
9 16757 REFERENCE SPECTRA MATRIX//ASPARAGUS FLY//CHARGE STATE INTENSITIES
10 25842 4 DIMETHYLAMINOCHALCONE//BINARY MIXTURES OF SOLVENTS//CHIM THEOR DCMUMR CNRS UJF 5250

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