Class information for:
Level 1: RARE EARTHS DEV SECT//DNPPA//HAFNIUMIV

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
18083 567 20.5 31%


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
4 4 ENVIRONMENTAL SCIENCES//GEOSCIENCES, MULTIDISCIPLINARY//METEOROLOGY & ATMOSPHERIC SCIENCES 1766162
179 3       BIOSORPTION//ADSORPTION//ISOTHERM 57820
839 2             SOLVENT EXTRACTION//SOLVENT EXTRACTION AND ION EXCHANGE//LIQUID MEMBRANE 11763
18083 1                   RARE EARTHS DEV SECT//DNPPA//HAFNIUMIV 567

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 RARE EARTHS DEV SECT address 247264 3% 31% 15
2 DNPPA authKW 164917 1% 44% 7
3 HAFNIUMIV authKW 164917 1% 44% 7
4 BIDIBOPP authKW 161559 1% 100% 3
5 ZIRCONIUMIV authKW 127752 2% 22% 11
6 HAFNIUM authKW 111498 7% 5% 38
7 BIFUNCTIONAL EXTRACTANTS authKW 107706 0% 100% 2
8 DEHCNPB authKW 107706 0% 100% 2
9 DEHPA TOPO authKW 107706 0% 100% 2
10 DEN DANS I TESE address 107706 0% 100% 2

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 Nuclear Science & Technology 5421 29% 0% 164
2 Chemistry, Analytical 3771 35% 0% 200
3 Chemistry, Inorganic & Nuclear 3730 29% 0% 165
4 Engineering, Chemical 1009 19% 0% 105
5 Chemistry, Multidisciplinary 782 26% 0% 146
6 Metallurgy & Metallurgical Engineering 681 12% 0% 70
7 Mining & Mineral Processing 512 3% 0% 18
8 Mineralogy 42 1% 0% 8
9 Engineering, Environmental 38 3% 0% 15
10 Chemistry, Applied 14 2% 0% 13

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 RARE EARTHS DEV SECT 247264 3% 31% 15
2 DEN DANS I TESE 107706 0% 100% 2
3 RARE EARTH DEV SECT 86160 1% 40% 4
4 AREVA MINES 71803 0% 67% 2
5 NUCL ANALYT CHEM 66843 1% 21% 6
6 ANGLO BASE METAL 53853 0% 100% 1
7 ATOM ENERGY COMMIS 53853 0% 100% 1
8 CEAUM2 53853 0% 100% 1
9 DEV PROC SEPARATSMCS 53853 0% 100% 1
10 DTDC 53853 0% 100% 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 HYDROMETALLURGY 38193 9% 1% 53
2 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES 24717 7% 1% 40
3 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 22888 12% 1% 68
4 SOLVENT EXTRACTION AND ION EXCHANGE 20811 5% 1% 26
5 RADIOCHIMICA ACTA 9720 5% 1% 27
6 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS 7170 3% 1% 15
7 SEPARATION SCIENCE AND TECHNOLOGY 5218 5% 0% 26
8 SOLVENT EXTRACTION RESEARCH AND DEVELOPMENT-JAPAN 2321 1% 1% 4
9 SEPARATION AND PURIFICATION REVIEWS 1706 0% 2% 2
10 INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY 1585 3% 0% 16

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 DNPPA 164917 1% 44% 7 Search DNPPA Search DNPPA
2 HAFNIUMIV 164917 1% 44% 7 Search HAFNIUMIV Search HAFNIUMIV
3 BIDIBOPP 161559 1% 100% 3 Search BIDIBOPP Search BIDIBOPP
4 ZIRCONIUMIV 127752 2% 22% 11 Search ZIRCONIUMIV Search ZIRCONIUMIV
5 HAFNIUM 111498 7% 5% 38 Search HAFNIUM Search HAFNIUM
6 BIFUNCTIONAL EXTRACTANTS 107706 0% 100% 2 Search BIFUNCTIONAL+EXTRACTANTS Search BIFUNCTIONAL+EXTRACTANTS
7 DEHCNPB 107706 0% 100% 2 Search DEHCNPB Search DEHCNPB
8 DEHPA TOPO 107706 0% 100% 2 Search DEHPA+TOPO Search DEHPA+TOPO
9 DI N HMOPO 107706 0% 100% 2 Search DI+N+HMOPO Search DI+N+HMOPO
10 DIN BUTYLDITHIOPHOSPHORIC ACID 107706 0% 100% 2 Search DIN+BUTYLDITHIOPHOSPHORIC+ACID Search DIN+BUTYLDITHIOPHOSPHORIC+ACID

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 SINGH, DK , MONDAL, S , CHAKRAVARTTY, JK , (2016) RECOVERY OF URANIUM FROM PHOSPHORIC ACID: A REVIEW.SOLVENT EXTRACTION AND ION EXCHANGE. VOL. 34. ISSUE 3. P. 201 -225 47 94% 0
2 WANG, LY , LEE, MS , (2016) A REVIEW ON THE AQUEOUS CHEMISTRY OF ZR(IV) AND HF(IV) AND THEIR SEPARATION BY SOLVENT EXTRACTION.JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY. VOL. 39. ISSUE . P. 1 -9 47 82% 0
3 BELTRAMI, D , COTE, G , MOKHTARI, H , COURTAUD, B , MOYER, BA , CHAGNEST, A , (2014) RECOVERY OF URANIUM FROM WET PHOSPHORIC ACID BY SOLVENT EXTRACTION PROCESSES.CHEMICAL REVIEWS. VOL. 114. ISSUE 24. P. 12002 -12023 41 62% 17
4 BANDA, R , LEE, MS , (2015) SOLVENT EXTRACTION FOR THE SEPARATION OF ZR AND HF FROM AQUEOUS SOLUTIONS.SEPARATION AND PURIFICATION REVIEWS. VOL. 44. ISSUE 3. P. 199 -215 37 73% 3
5 WANG, LY , LEE, MS , (2016) SOLVENT EXTRACTION REACTION OF HAFNIUM(IV) FROM STRONG SULFURIC ACID SOLUTIONS WITH D2EHPA AND PC 88A.SEPARATION SCIENCE AND TECHNOLOGY. VOL. 51. ISSUE 5. P. 759 -766 18 95% 1
6 WANG, L , LEE, H , LEE, M , (2015) SOLVENT EXTRACTION SEPARATION OF ZR AND HF FROM NITRIC ACID SOLUTIONS BY PC 88A AND ITS MIXTURE WITH OTHER EXTRACTANTS.METALS AND MATERIALS INTERNATIONAL. VOL. 21. ISSUE 1. P. 166 -172 18 90% 7
7 XU, ZG , WANG, LJ , WU, M , XU, YL , CHI, R , LI, PH , ZHAO, J , (2016) SEPARATION OF ZIRCONIUM AND HAFNIUM BY SOLVENT EXTRACTION USING MIXTURE OF DIBK AND P204.HYDROMETALLURGY. VOL. 165. ISSUE . P. 275 -281 19 86% 0
8 PORIEL, L , FAVRE-REGUILLON, A , PELLET-ROSTAING, S , LEMAIRE, M , (2006) ZIRCONIUM AND HAFNIUM SEPARATION, PART 1. LIQUID/LIQUID EXTRACTION IN HYDROCHLORIC ACID AQUEOUS SOLUTION WITH ALIQUAT 336.SEPARATION SCIENCE AND TECHNOLOGY. VOL. 41. ISSUE 9. P. 1927-1940 22 73% 24
9 WANG, LY , LEE, MS , (2014) SEPARATION OF ZIRCONIUM AND HAFNIUM FROM NITRIC ACID SOLUTIONS WITH LIX 63, PC 88A AND THEIR MIXTURE BY SOLVENT EXTRACTION.HYDROMETALLURGY. VOL. 150. ISSUE . P. 153 -160 16 73% 4
10 WANG, LY , LEE, MS , (2015) SEPARATION OF ZR AND HF FROM SULFURIC ACID SOLUTIONS WITH AMINE-BASED EXTRACTANTS BY SOLVENT EXTRACTION.SEPARATION AND PURIFICATION TECHNOLOGY. VOL. 142. ISSUE . P. 83 -89 12 92% 3

Classes with closest relation at Level 1


Rank Class id link
1 12068 SEC OCTYLPHENOXY ACETIC ACID//DEHEHP//CYANEX272
2 4065 HYDROMETALLURGY//SOLVENT EXTRACTION//SOLVENT EXTRACTION AND ION EXCHANGE
3 29421 FUSION WITH AMMONIUM HYDROGEN SULFATE//HEXAFLUOROTANTALATEV//TANTALITE COLUMBITE ORE ANALYSIS
4 15074 THIRD PHASE FORMATION//REPROC GRP//PUREX PROCESS
5 31108 NUCLEOPHILIC S S BOND CLEAVAGE//RADIOCHEMICAL EXTRACTION//BIS 2 ETHYLHEXYL SULFOXIDE
6 10051 ACYLPYRAZOLONE//PYRAZOLONE//4 ACYL 5 PYRAZOLONES
7 34090 NIOBIUM TANTALUM ORE//EXACTLY SOLVABLE GROWTH MODEL//MET EXTRACT SINTESIS MAT
8 37565 BETA DIKETO LIQUID CHELATING AGENT//COAL FLY ASH SAMPLES//CR DETERMIANTION
9 2845 SOLVENT EXTRACTION AND ION EXCHANGE//TODGA//DIGLYCOLAMIDE
10 20851 DIPHOSPHONIC ACIDS//SILYL SUBSTITUTED//STYRENE DIVINYLBENZENE COPOLYMERS

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