Class information for:
Level 1: AMMONIA SYNTHESIS//AMMONIA DECOMPOSITION//ENGN CHEM FERTILIZER CATALYST

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
8857 1211 29.1 62%


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
2 4 MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER 2836879
319 3       SURFACE SCIENCE//LOW INDEX SINGLE CRYSTAL SURFACES//CHEMISTRY, PHYSICAL 39359
27 2             SURFACE SCIENCE//LOW INDEX SINGLE CRYSTAL SURFACES//CHEMISORPTION 33888
8857 1                   AMMONIA SYNTHESIS//AMMONIA DECOMPOSITION//ENGN CHEM FERTILIZER CATALYST 1211

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 AMMONIA SYNTHESIS authKW 3677163 18% 68% 214
2 AMMONIA DECOMPOSITION authKW 2006588 10% 68% 117
3 ENGN CHEM FERTILIZER CATALYST address 199675 3% 20% 39
4 AMMONIA SYNTHESIS CATALYST authKW 179293 1% 89% 8
5 KG BO KOV CATALYSIS address 151280 0% 100% 6
6 BARIUM PROMOTER authKW 129667 0% 86% 6
7 INORGAN CHEM TECHNOL ENVIRONM ENGN address 125183 1% 41% 12
8 ZHEJIANG HETEROGENEOUS CATALYSIS address 112309 1% 64% 7
9 CHEM FERTILIZER CATALYSTS address 107570 1% 53% 8
10 CATALYTIC AMMONIA SYNTHESIS authKW 105054 0% 83% 5

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 Chemistry, Physical 11171 63% 0% 759
2 Engineering, Chemical 4608 26% 0% 319
3 Chemistry, Multidisciplinary 843 19% 0% 234
4 Chemistry, Applied 822 8% 0% 102
5 Energy & Fuels 659 8% 0% 100
6 Electrochemistry 517 6% 0% 74
7 Materials Science, Multidisciplinary 119 10% 0% 127
8 Environmental Sciences 116 7% 0% 80
9 Physics, Atomic, Molecular & Chemical 93 5% 0% 58
10 Nanoscience & Nanotechnology 88 4% 0% 47

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 ENGN CHEM FERTILIZER CATALYST 199675 3% 20% 39
2 KG BO KOV CATALYSIS 151280 0% 100% 6
3 INORGAN CHEM TECHNOL ENVIRONM ENGN 125183 1% 41% 12
4 ZHEJIANG HETEROGENEOUS CATALYSIS 112309 1% 64% 7
5 CHEM FERTILIZER CATALYSTS 107570 1% 53% 8
6 TECHNOL CHEM NIEORGANICZNEJ INZYNIERII SRO 53706 1% 30% 7
7 ATOM SCALE MAT PHYS 52470 2% 9% 23
8 HEAT TREATMENT C COATING RBCD MOE9 50427 0% 100% 2
9 ORGAN ELECT MOL ENGN 50427 0% 100% 2
10 FLUIDS GRP 50423 0% 50% 4

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 JOURNAL OF CATALYSIS 20625 8% 1% 101
2 APPLIED CATALYSIS A-GENERAL 11938 6% 1% 74
3 PRZEMYSL CHEMICZNY 10720 4% 1% 46
4 CATALYSIS LETTERS 10675 5% 1% 56
5 CHINESE JOURNAL OF CATALYSIS 9170 3% 1% 36
6 APPLIED CATALYSIS 5751 2% 1% 22
7 TOPICS IN CATALYSIS 3551 2% 1% 20
8 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 3009 4% 0% 49
9 CATALYSIS COMMUNICATIONS 3004 2% 1% 24
10 POLISH JOURNAL OF CHEMICAL TECHNOLOGY 2142 1% 1% 7

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 AMMONIA SYNTHESIS 3677163 18% 68% 214 Search AMMONIA+SYNTHESIS Search AMMONIA+SYNTHESIS
2 AMMONIA DECOMPOSITION 2006588 10% 68% 117 Search AMMONIA+DECOMPOSITION Search AMMONIA+DECOMPOSITION
3 AMMONIA SYNTHESIS CATALYST 179293 1% 89% 8 Search AMMONIA+SYNTHESIS+CATALYST Search AMMONIA+SYNTHESIS+CATALYST
4 BARIUM PROMOTER 129667 0% 86% 6 Search BARIUM+PROMOTER Search BARIUM+PROMOTER
5 CATALYTIC AMMONIA SYNTHESIS 105054 0% 83% 5 Search CATALYTIC+AMMONIA+SYNTHESIS Search CATALYTIC+AMMONIA+SYNTHESIS
6 FUSED IRON CATALYST 102949 1% 58% 7 Search FUSED+IRON+CATALYST Search FUSED+IRON+CATALYST
7 CATALYTIC AMMONIA DECOMPOSITION 100854 0% 100% 4 Search CATALYTIC+AMMONIA+DECOMPOSITION Search CATALYTIC+AMMONIA+DECOMPOSITION
8 NANO MAGNESIA 100854 0% 100% 4 Search NANO+MAGNESIA Search NANO+MAGNESIA
9 RU GAMMA AL2O3 CATALYST 100854 0% 100% 4 Search RU+GAMMA+AL2O3+CATALYST Search RU+GAMMA+AL2O3+CATALYST
10 AMMONIA FUEL 95029 1% 54% 7 Search AMMONIA+FUEL Search AMMONIA+FUEL

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 SAADATJOU, N , JAFARI, A , SAHEBDELFAR, S , (2015) RUTHENIUM NANOCATALYSTS FOR AMMONIA SYNTHESIS: A REVIEW.CHEMICAL ENGINEERING COMMUNICATIONS. VOL. 202. ISSUE 4. P. 420 -448 70 80% 10
2 SCHUTH, F , PALKOVITS, R , SCHLOGL, R , SU, DS , (2012) AMMONIA AS A POSSIBLE ELEMENT IN AN ENERGY INFRASTRUCTURE: CATALYSTS FOR AMMONIA DECOMPOSITION.ENERGY & ENVIRONMENTAL SCIENCE. VOL. 5. ISSUE 4. P. 6278 -6289 70 68% 97
3 BELL, TE , TORRENTE-MURCIANO, L , (2016) H-2 PRODUCTION VIA AMMONIA DECOMPOSITION USING NON-NOBLE METAL CATALYSTS: A REVIEW.TOPICS IN CATALYSIS. VOL. 59. ISSUE 15-16. P. 1438 -1457 68 81% 0
4 RAROG-PILECKA, W , MISKIEWICZ, E , JODZIS, S , PETRYK, J , LOMOT, D , KASZKUR, Z , KARPINSKI, Z , KOWALCZYK, Z , (2006) CARBON-SUPPORTED RUTHENIUM CATALYSTS FOR NH3 SYNTHESIS DOPED WITH CAESIUM NITRATE: ACTIVATION PROCESS, WORKING STATE OF CS-RU/C.JOURNAL OF CATALYSIS. VOL. 239. ISSUE 2. P. 313-325 64 91% 18
5 GARCIA-BORDEJE, E , ARMENISE, S , ROLDAN, L , (2014) TOWARD PRACTICAL APPLICATION OF H-2 GENERATION FROM AMMONIA DECOMPOSITION GUIDED BY RATIONAL CATALYST DESIGN.CATALYSIS REVIEWS-SCIENCE AND ENGINEERING. VOL. 56. ISSUE 2. P. 220-237 50 79% 19
6 ZHANG, LM , LIN, JX , NI, J , LIN, BY , WANG, R , WEI, KM , (2011) PREPARATION METHODS OF RUTHENIUM CATALYSTS FOR AMMONIA SYNTHESIS.PROGRESS IN CHEMISTRY. VOL. 23. ISSUE 11. P. 2225 -2232 54 89% 2
7 RAROG-PILECKA, W , MISKIEWICZ, E , SZMIGIEL, D , KOWALCZYK, Z , (2005) STRUCTURE SENSITIVITY OF AMMONIA SYNTHESIS OVER PROMOTED RUTHENIUM CATALYSTS SUPPORTED ON GRAPHITISED CARBON.JOURNAL OF CATALYSIS. VOL. 231. ISSUE 1. P. 11-19 54 95% 60
8 TRUSZKIEWICZ, E , RAROG-PILECKA, W , SCHMIDT-SZATOWSKI, K , JODZIS, S , WILCZKOWSKA, E , LOMOT, D , KASZKUR, Z , KARPINSKI, Z , KOWALCZYK, Z , (2009) BARIUM-PROMOTED RU/CARBON CATALYST FOR AMMONIA SYNTHESIS: STATE OF THE SYSTEM WHEN OPERATING.JOURNAL OF CATALYSIS. VOL. 265. ISSUE 2. P. 181-190 51 88% 24
9 SZMIGIEL, D , RAROG-PILECKA, W , MISKIEWICZ, E , MACIEJEWSKA, E , KASZKUR, Z , SOBCZAK, JW , KOWALCZYK, Z , (2005) AMMONIA SYNTHESIS OVER THE BA-PROMOTED RUTHENIUM CATALYSTS SUPPORTED ON BORON NITRIDE.CATALYSIS LETTERS. VOL. 100. ISSUE 1-2. P. 79 -87 55 93% 11
10 KOWALCZYK, Z , RAROG-PILECKA, W , (2006) RHUTENIUM CATALYSTS FOR SYNTHESIS OF AMMONIA DEPOSITED ON GRAPHITIZED CARBON SUPPORTS.PRZEMYSL CHEMICZNY. VOL. 85. ISSUE 2. P. 124-129 50 98% 7

Classes with closest relation at Level 1


Rank Class id link
1 22942 OXYGEN TRANSIENTS//COPPERI NITRIDE//PALLADIUM GAMMA ALUMINA
2 26348 CATALYT SCI TECHNOL//NI PT111//CATALYSIS ENERGY INNOVAT
3 28692 AMMONIA ELECTROLYSIS//AMMONIA ELECTRO OXIDATION//DIRECT AMMONIA FUEL CELL
4 27640 REACT DYNAM GRP//ULTRA DENSE DEUTERIUM//RYDBERG MATTER
5 14489 ADSORPTION ASSISTED DESORPTION//ISOTOPE JUMP METHOD//SURFACE SCIENCE
6 30832 AMMONIA PHOTOCATALYTIC OXIDATION//1650 MONTEE STE JULIE CP 1020//AMMONIA PHOTODECOMPOSITION
7 26637 SMALL MOTOR//QUARTZ FRICTION PRESSURE GAUGE//QUARTZ OSCILLATOR
8 22086 CYCLOHEXENE//COMPETITIVE HYDROGENATION//BENZENE SELECTIVE HYDROGENATION
9 5273 MOLYBDENUM CARBIDE//TUNGSTEN CARBIDE//MOLYBDENUM NITRIDE
10 29233 CALORIMETRY IN CATALYSIS AND CHEMISORPTION//CATALYZING SURFACE HOMOGENEITY//CHEMISORPTION HEATS AT METALS

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