Class information for:
Level 1: SODIUM BOROHYDRIDE//HYDROGEN GENERATION//NABH4

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
1 4 PHYSICS, CONDENSED MATTER//PHYSICS, APPLIED//MATERIALS SCIENCE, MULTIDISCIPLINARY 2188495
382 3       HYDROGEN STORAGE//METAL HYDRIDES//HYDROGEN STORAGE ALLOY 33830
2572 2             AMMONIA BORANE//HYDROGEN GENERATION//SODIUM BOROHYDRIDE 3946
10268 1                   SODIUM BOROHYDRIDE//HYDROGEN GENERATION//NABH4 1108

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SODIUM BOROHYDRIDE authKW 3960907 29% 44% 316
2 HYDROGEN GENERATION authKW 3314103 31% 34% 340
3 NABH4 authKW 558009 6% 30% 66
4 SODIUM BOROHYDRIDE HYDROLYSIS authKW 540421 2% 100% 19
5 HYDROGEN GENERATOR authKW 433566 2% 61% 25
6 CO B CATALYST authKW 428319 1% 94% 16
7 NABH4 HYDROLYSIS authKW 426648 1% 100% 15
8 CHEMICAL HYDRIDE authKW 384527 2% 52% 26
9 ENERGY MAT PHYS GRP address 376451 1% 88% 15
10 HYDROLYSIS REACTION authKW 286756 3% 31% 33

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Energy & Fuels 32258 55% 0% 612
2 Electrochemistry 28670 43% 0% 480
3 Chemistry, Physical 8366 57% 0% 633
4 Materials Science, Multidisciplinary 1073 24% 0% 269
5 Engineering, Chemical 803 12% 0% 138
6 Thermodynamics 369 5% 0% 58
7 Metallurgy & Metallurgical Engineering 299 6% 0% 71
8 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY 184 2% 0% 21
9 Chemistry, Applied 100 4% 0% 40
10 Chemistry, Multidisciplinary 64 8% 0% 90

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ENERGY MAT PHYS GRP 376451 1% 88% 15
2 NANOSCI TECHNOL PLICAT NANORAC 281382 3% 34% 29
3 ENERGY ENVIRONM FUS TECHNOL 74274 1% 16% 16
4 HEALTY 68256 1% 40% 6
5 HYDRIDES INVEST 63996 0% 75% 3
6 ANAL ENGN BLDG MAT 56886 0% 100% 2
7 INT AEROPHYS STUDIES 56886 0% 100% 2
8 MATGAS RD 56886 0% 100% 2
9 NANOSCI NANOTECHNOL PLICAT 56886 0% 100% 2
10 PERSPECT COMBUST TECHNOL 56886 0% 100% 2

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 168064 32% 2% 356
2 JOURNAL OF POWER SOURCES 10348 8% 0% 93
3 JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS 5071 1% 1% 12
4 ENERGY 3966 4% 0% 41
5 ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS 1994 1% 1% 14
6 JOURNAL OF THE ENERGY INSTITUTE 1253 0% 1% 5
7 JOURNAL OF ALLOYS AND COMPOUNDS 1112 4% 0% 42
8 INTERNATIONAL JOURNAL OF ENERGY RESEARCH 1051 1% 0% 11
9 FUEL PROCESSING TECHNOLOGY 1029 1% 0% 14
10 ENERGY SCIENCE & ENGINEERING 878 0% 2% 2

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 SODIUM BOROHYDRIDE 3960907 29% 44% 316 Search SODIUM+BOROHYDRIDE Search SODIUM+BOROHYDRIDE
2 HYDROGEN GENERATION 3314103 31% 34% 340 Search HYDROGEN+GENERATION Search HYDROGEN+GENERATION
3 NABH4 558009 6% 30% 66 Search NABH4 Search NABH4
4 SODIUM BOROHYDRIDE HYDROLYSIS 540421 2% 100% 19 Search SODIUM+BOROHYDRIDE+HYDROLYSIS Search SODIUM+BOROHYDRIDE+HYDROLYSIS
5 HYDROGEN GENERATOR 433566 2% 61% 25 Search HYDROGEN+GENERATOR Search HYDROGEN+GENERATOR
6 CO B CATALYST 428319 1% 94% 16 Search CO+B+CATALYST Search CO+B+CATALYST
7 NABH4 HYDROLYSIS 426648 1% 100% 15 Search NABH4+HYDROLYSIS Search NABH4+HYDROLYSIS
8 CHEMICAL HYDRIDE 384527 2% 52% 26 Search CHEMICAL+HYDRIDE Search CHEMICAL+HYDRIDE
9 HYDROLYSIS REACTION 286756 3% 31% 33 Search HYDROLYSIS+REACTION Search HYDROLYSIS+REACTION
10 SODIUM METABORATE 208984 1% 57% 13 Search SODIUM+METABORATE Search SODIUM+METABORATE

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 17511 DIRECT BOROHYDRIDE FUEL CELL//BOROHYDRIDE OXIDATION//DIRECT BOROHYDRIDE HYDROGEN PEROXIDE FUEL CELL
2 6161 AMMONIA BORANE//HYDRAZINE BORANE//AMINE BORANE
3 37975 NANOSCI TECHNOL PLICAT NANORAC//AMINO ACID MACROMOLECULE//ANTIMICROBIAL ANTIOXIDANT AGENT
4 16720 ALUMINUM AIR BATTERY//LITHIUM WATER BATTERY//ALUMINIUM ACTIVATION
5 38328 D T 14 MEV SOURCE//DT GENERATORS//FOIL ACTIVATION DETECTORS
6 1155 COMPLEX HYDRIDES//HYDROGEN STORAGE//HYDROGEN STORAGE MATERIALS
7 13487 NI B AMORPHOUS ALLOY//AMORPHOUS NIB ALLOY//AMORPHOUS ALLOYS
8 5312 THERMITE//NANOTHERMITE//METAL COMBUSTION
9 26298 ALKALINE SECONDARY BATTERY//FARADAIC REDOX//CO B ALLOY
10 8509 HYDROGEN ECONOMY//INTERNATIONAL JOURNAL OF HYDROGEN ENERGY//ELECTROLYSER

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