Class information for:
Level 1: ZIRCONIUMIV//HAFNIUM//HAFNIUMIV

Basic class information

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
6 4 CHEMISTRY, ORGANIC//CHEMISTRY, INORGANIC & NUCLEAR//CHEMISTRY, MULTIDISCIPLINARY 1698077
408 3       SOLVENT EXTRACTION AND ION EXCHANGE//SOLVENT EXTRACTION//LIQUID MEMBRANE 30980
554 2             SOLVENT EXTRACTION AND ION EXCHANGE//SOLVENT EXTRACTION//LIQUID MEMBRANE 15119
24113 1                   ZIRCONIUMIV//HAFNIUM//HAFNIUMIV 346

Terms with highest relevance score



rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ZIRCONIUMIV authKW 301823 4% 25% 13
2 HAFNIUM authKW 270241 13% 6% 46
3 HAFNIUMIV authKW 192885 2% 35% 6
4 HAFNIUM REMOVAL authKW 182177 1% 100% 2
5 MOLTEN SALT EXTRACTION authKW 182177 1% 100% 2
6 NUCLEAR GRADE ZIRCONIUM authKW 182177 1% 100% 2
7 ASSOCIATED METALS authKW 121450 1% 67% 2
8 ZIRCONIUM authKW 119906 18% 2% 63
9 2 2 3 4 TETRAHYDROXY 3 SULPHO 5 CARBOXYAZOBENZENE authKW 91088 0% 100% 1
10 2 HYDROXY 5 NONYLACETOPHENONEOXIME authKW 91088 0% 100% 1

Web of Science journal categories



chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Chemistry, Analytical 2612 38% 0% 130
2 Nuclear Science & Technology 931 16% 0% 54
3 Chemistry, Multidisciplinary 488 26% 0% 90
4 Chemistry, Inorganic & Nuclear 456 14% 0% 47
5 Metallurgy & Metallurgical Engineering 380 12% 0% 41
6 Mining & Mineral Processing 302 3% 0% 11
7 Engineering, Chemical 277 13% 0% 45
8 Spectroscopy 30 3% 0% 11
9 Mineralogy 16 1% 0% 4
10 Materials Science, Characterization, Testing 11 1% 0% 3

Address terms



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ESCPEESCPE LYONCNRSUMR 5265C2P2 91088 0% 100% 1
2 MAT METALLURG ENGN 91088 0% 100% 1
3 MET PROCESSING 91088 0% 100% 1
4 MINTEK 91088 0% 100% 1
5 RARE MET CHONNAM 91088 0% 100% 1
6 MINERAL OURCES MET MAT 80961 1% 22% 4
7 UMR 5007CPE 45543 0% 50% 1
8 UMR 5181CPE 45543 0% 50% 1
9 FOR UNGSZENTRUM ZENT ABT CHEM ANALYSEN 30361 0% 33% 1
10 CHEM INORGAN TECHNOL FUELS 30357 1% 11% 3

Journals



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES 7542 5% 0% 17
2 SOLVENT EXTRACTION AND ION EXCHANGE 7399 3% 1% 12
3 HYDROMETALLURGY 7134 5% 0% 18
4 SEPARATION SCIENCE AND TECHNOLOGY 2492 4% 0% 14
5 CHEMIA ANALITYCZNA 2252 2% 0% 8
6 RADIOCHIMICA ACTA 1789 3% 0% 9
7 ANALYTICAL LETTERS PART A-CHEMICAL ANALYSIS 1660 1% 1% 3
8 JOURNAL OF THE SOUTHERN AFRICAN INSTITUTE OF MINING AND METALLURGY 1592 1% 0% 4
9 ATOMIC SPECTROSCOPY 1432 1% 0% 4
10 ACTA CHIMICA HUNGARICA-MODELS IN CHEMISTRY 1392 1% 0% 4

Author Key Words



chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ZIRCONIUMIV 301823 4% 25% 13 Search ZIRCONIUMIV Search ZIRCONIUMIV
2 HAFNIUM 270241 13% 6% 46 Search HAFNIUM Search HAFNIUM
3 HAFNIUMIV 192885 2% 35% 6 Search HAFNIUMIV Search HAFNIUMIV
4 HAFNIUM REMOVAL 182177 1% 100% 2 Search HAFNIUM+REMOVAL Search HAFNIUM+REMOVAL
5 MOLTEN SALT EXTRACTION 182177 1% 100% 2 Search MOLTEN+SALT+EXTRACTION Search MOLTEN+SALT+EXTRACTION
6 NUCLEAR GRADE ZIRCONIUM 182177 1% 100% 2 Search NUCLEAR+GRADE+ZIRCONIUM Search NUCLEAR+GRADE+ZIRCONIUM
7 ASSOCIATED METALS 121450 1% 67% 2 Search ASSOCIATED+METALS Search ASSOCIATED+METALS
8 ZIRCONIUM 119906 18% 2% 63 Search ZIRCONIUM Search ZIRCONIUM
9 2 2 3 4 TETRAHYDROXY 3 SULPHO 5 CARBOXYAZOBENZENE 91088 0% 100% 1 Search 2+2+3+4+TETRAHYDROXY+3+SULPHO+5+CARBOXYAZOBENZENE Search 2+2+3+4+TETRAHYDROXY+3+SULPHO+5+CARBOXYAZOBENZENE
10 2 HYDROXY 5 NONYLACETOPHENONEOXIME 91088 0% 100% 1 Search 2+HYDROXY+5+NONYLACETOPHENONEOXIME Search 2+HYDROXY+5+NONYLACETOPHENONEOXIME

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.

Classes with closest relation at Level 1



rank cluster_id2 link
1 20919 RARE EARTHS DEV SECT//BIDIBOPP//DNPPA
2 31735 FUSION WITH AMMONIUM HYDROGEN SULFATE//HEXAFLUOROTANTALATEV//TANTALITE COLUMBITE ORE ANALYSIS
3 30603 AMMONIUM ACID FLUORIDE//AERO ACOUSTIC LEVITATION//AMMONIUM YTTRIUM FLUORIDES
4 14423 OSMIUMIV//OSMIUM DETERMINATION//NOBLE METALS ANALYSIS
5 2538 SOLVENT EXTRACTION//HYDROMETALLURGY//CYANEX 272
6 37530 PURIFICATION OF ALKALI METAL SALTS//CHELATING SORBENT//LICHROPREP RP 8
7 15524 TRANSACTINIDES//RUTHERFORDIUM//THERMOCHROMATOGRAPHY
8 13603 SYNERGISTIC EXTRACTION//LANTHANOIDSIII//SOLVENT EXTRACTION AND ION EXCHANGE
9 26333 POLYOXONIOBATE//LINDQVIST TYPE//LINDQVIST ION
10 16883 SEMIMETHYLTHYMOL BLUE//URANIUM//ARSENAZO III

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