Class information for:
Level 1: MECHANICAL PULPS//PEROXIDE BLEACHING//COLOR REVERSION

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
13340 844 24.7 40%


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
12 4 POLYMER SCIENCE//MATERIALS SCIENCE, PAPER & WOOD//CHEMISTRY, PHYSICAL 1084170
137 3       MATERIALS SCIENCE, PAPER & WOOD//TAPPI JOURNAL//HOLZFORSCHUNG 65468
766 2             MATERIALS SCIENCE, PAPER & WOOD//LIGNIN//KRAFT PULP 12299
13340 1                   MECHANICAL PULPS//PEROXIDE BLEACHING//COLOR REVERSION 844

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 MECHANICAL PULPS authKW 924501 10% 29% 88
2 PEROXIDE BLEACHING authKW 652099 6% 35% 52
3 COLOR REVERSION authKW 612882 3% 71% 24
4 PHOTOYELLOWING authKW 445051 3% 53% 23
5 YELLOWING authKW 420969 5% 26% 45
6 HIGH YIELD PULP authKW 327666 3% 36% 25
7 MATERIALS SCIENCE, PAPER & WOOD WoSSC 269675 66% 1% 558
8 JOURNAL OF PULP AND PAPER SCIENCE journal 239050 11% 7% 90
9 HYDROGEN PEROXIDE BLEACHING authKW 226433 2% 48% 13
10 JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY journal 206502 9% 8% 73

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 Materials Science, Paper & Wood 269675 66% 1% 558
2 Forestry 1271 7% 0% 60
3 Chemistry, Physical 114 11% 0% 92
4 Chemistry, Multidisciplinary 73 9% 0% 77
5 Materials Science, Textiles 27 1% 0% 6
6 Agricultural Engineering 23 1% 0% 7
7 Engineering, Chemical 20 4% 0% 30
8 Polymer Science 14 3% 0% 24
9 Spectroscopy 1 1% 0% 9
10 Microscopy 1 0% 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 CHIM SUBST VEGETALES 130571 2% 19% 19
2 GML 108534 0% 100% 3
3 LFQL 108534 0% 100% 3
4 LIMERICK PULP P ER EDUC 89042 1% 31% 8
5 DR JACK MCKENZIE LIMERICK PULP P ER EDUC 86820 1% 40% 6
6 FIBRE SCI COMMUNICAT NETWORK 72356 0% 100% 2
7 FOTOQUIM QUIM LIGNOCELULOSICOS 72356 0% 100% 2
8 FOTOQUIM QUIM MADEIRA 72356 0% 100% 2
9 LIMERICK PULP P ER 71369 3% 9% 23
10 ADV P ERMAKING INITIAT 48236 0% 67% 2

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 PULP AND PAPER SCIENCE 239050 11% 7% 90
2 JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY 206502 9% 8% 73
3 PULP & PAPER-CANADA 66019 7% 3% 55
4 NORDIC PULP & PAPER RESEARCH JOURNAL 63780 6% 4% 48
5 APPITA JOURNAL 46996 5% 3% 39
6 TAPPI JOURNAL 41467 8% 2% 67
7 HOLZFORSCHUNG 27438 6% 1% 51
8 CELLULOSE CHEMISTRY AND TECHNOLOGY 19201 4% 2% 31
9 SVENSK PAPPERSTIDNING-NORDISK CELLULOSA 15613 1% 4% 11
10 JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY 14983 7% 1% 58

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 MECHANICAL PULPS 924501 10% 29% 88 Search MECHANICAL+PULPS Search MECHANICAL+PULPS
2 PEROXIDE BLEACHING 652099 6% 35% 52 Search PEROXIDE+BLEACHING Search PEROXIDE+BLEACHING
3 COLOR REVERSION 612882 3% 71% 24 Search COLOR+REVERSION Search COLOR+REVERSION
4 PHOTOYELLOWING 445051 3% 53% 23 Search PHOTOYELLOWING Search PHOTOYELLOWING
5 YELLOWING 420969 5% 26% 45 Search YELLOWING Search YELLOWING
6 HIGH YIELD PULP 327666 3% 36% 25 Search HIGH+YIELD+PULP Search HIGH+YIELD+PULP
7 HYDROGEN PEROXIDE BLEACHING 226433 2% 48% 13 Search HYDROGEN+PEROXIDE+BLEACHING Search HYDROGEN+PEROXIDE+BLEACHING
8 BRIGHTNESS 187094 7% 8% 63 Search BRIGHTNESS Search BRIGHTNESS
9 THERMOMECHANICAL PULPS 142755 4% 13% 30 Search THERMOMECHANICAL+PULPS Search THERMOMECHANICAL+PULPS
10 UV SCREENS 118174 1% 47% 7 Search UV+SCREENS Search UV+SCREENS

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 PAULSSON, M , PARKAS, J , (2012) REVIEW: LIGHT-INDUCED YELLOWING OF LIGNOCELLULOSIC PULPS - MECHANISMS AND PREVENTIVE METHODS.BIORESOURCES. VOL. 7. ISSUE 4. P. 5995 -6040 150 90% 9
2 YUAN, ZR , ZHOU, YJ , NI, YH , ZOU, XJ , (2013) OVERVIEW OF RECENT UNDERSTANDING OF BRIGHTNESS STABILITY OF HIGH-YIELD PULPS.J-FOR-JOURNAL OF SCIENCE & TECHNOLOGY FOR FOREST PRODUCTS AND PROCESSES. VOL. 3. ISSUE 2. P. 32 -45 41 85% 0
3 LANZALUNGA, O , BIETTI, M , (2000) PHOTO- AND RADIATION CHEMICAL INDUCED DEGRADATION OF LIGNIN MODEL COMPOUNDS.JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY. VOL. 56. ISSUE 2-3. P. 85 -108 66 61% 78
4 RAMOS, J , PAULINO, L , TURRADO, J , DAVALOS, F , RIVERA, J , YOUNG, R , (2003) SURFACE TREATMENT OF CHEMITHERMOMECHANICAL PULP (CTMP) TO PREVENT BRIGHTNESS REVERSION.CELLULOSE CHEMISTRY AND TECHNOLOGY. VOL. 37. ISSUE 1-2. P. 95-115 29 94% 2
5 PAULSSON, M , RAGAUSKAS, AJ , (2000) CHEMICAL MODIFICATION OF LIGNIN-RICH PAPER - LIGHT-INDUCED CHANGES OF SOFTWOOD AND HARDWOOD CHEMITHERMOMECHANICAL PULPS: THE EFFECT OF IRRADIATION SOURCE.LIGNIN : HISTORICAL, BIOLOGICAL, AND MATERIALS PERSPECTIVES. VOL. 742. ISSUE . P. 490 -504 31 91% 3
6 KARLSSON, A , PAULSSON, M , ENGSTRAND, P , HEDENSTROM, E , (2014) STRATEGIES TO REDUCE HEAT-INDUCED DARKENING FOR ENHANCED BLEACHABILITY OF MECHANICAL PULPS.APPITA. VOL. 67. ISSUE 1. P. 50 -57 22 88% 0
7 FJELLSTROM, H , HOGLUND, H , PAULSSON, M , RUNDLOF, M , (2008) DISCOLORATION OF MECHANICAL AND CHEMIMECHANICAL PULPS: INFLUENCE OF WOOD RAW MATERIAL, PROCESS AND AGEING METHOD.NORDIC PULP & PAPER RESEARCH JOURNAL. VOL. 23. ISSUE 1. P. 14-18 22 100% 2
8 FABBRI, C , BIETTI, M , LANZALUNGA, O , (2005) GENERATION AND REACTIVITY OF KETYL RADICALS WITH LIGNIN RELATED STRUCTURES. ON THE IMPORTANCE OF THE KETYL PATHWAY IN THE PHOTOYELLOWING OF LIGNIN CONTAINING PULPS AND PAPERS.JOURNAL OF ORGANIC CHEMISTRY. VOL. 70. ISSUE 7. P. 2720 -2728 30 71% 12
9 YUAN, Z , GILBERT, D , SCHMIDT, J , HEITNER, C , (2004) IMPROVING THE BRIGHTNESS STABILITY OF A MACHINE-FINISHED COATED MECHANICAL PAPER. PART I: LABORATORY EVALUATION.JOURNAL OF PULP AND PAPER SCIENCE. VOL. 30. ISSUE 7. P. 196-202 22 100% 5
10 NI, YH , (2005) A REVIEW OF RECENT TECHNOLOGICAL ADVANCES IN THE BRIGHTENING OF HIGH-YIELD PULPS.CANADIAN JOURNAL OF CHEMICAL ENGINEERING. VOL. 83. ISSUE 4. P. 610-617 21 100% 15

Classes with closest relation at Level 1


Rank Class id link
1 4379 KRAFT PULP//MATERIALS SCIENCE, PAPER & WOOD//KAPPA NUMBER
2 27378 LIME KILNS//BLEACHED SOFTWOOD KRAFT FIBRES//FIBER CHARGES
3 24216 GAS COAL AIR PROTECT//KAMEYAMA//LIGNIN MONOMERIC COMPOSITION
4 3993 JOURNAL OF WOOD CHEMISTRY AND TECHNOLOGY//HOLZFORSCHUNG//LIGNIN
5 5625 RETENTION AIDS//DISSOLVED AND COLLOIDAL SUBSTANCES//MATERIALS SCIENCE, PAPER & WOOD
6 6247 MATERIALS SCIENCE, PAPER & WOOD//PAPERI JA PUU-PAPER AND TIMBER//REFINING
7 9152 RESTAURATOR-INTERNATIONAL JOURNAL FOR THE PRESERVATION OF LIBRARY AND ARCHIVAL MATERIAL//IRON GALL INK//FOXING
8 6952 ORGANOSOLV PULPING//PULPING//SODA PULPING
9 31939 HE NE LASER LIGHT//CYCLIC POLARIZATION TEST//ELECTROCHEMICAL EMISSION SPECTROSCOPY
10 16323 EDTA//AMINOPOLYCARBOXYLIC ACIDS//CU EDTA

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