{"id":"https://openalex.org/A5111975607","orcid":null,"observed_orcids":[],"display_name":"S. N. Asthana","raw_author_names":["S ASTHANA","S N Asthana","S. Asthana","S. N. ASTHANA","S. N. Asthana","S.N Asthana","S.N. Asthana","Srinanadan N. Asthana"],"full_name":"Srinanadan N. Asthana","works_count":83,"cited_by_count":3784,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":26,"i10_index":54},"ids":{"openalex":"https://openalex.org/A5111975607","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1340206300","ror":"https://ror.org/05k37v296","display_name":"Defence Research and Development Organisation","country_code":"IN","type":"government","lineage":["https://openalex.org/I1340206300","https://openalex.org/I2799351866","https://openalex.org/I4210150591"]},"years":[2015,2011,2009,2007]},{"institution":{"id":"https://openalex.org/I2800703609","ror":"https://ror.org/03zeqmc64","display_name":"High Energy Materials Research Laboratory","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1340206300","https://openalex.org/I2799351866","https://openalex.org/I2800703609","https://openalex.org/I4210150591"]},"years":[2018,2015,2014,2013,2011,2010,2009,2008,2007,2006,2005,2004,2003,2002,2001,1998,1997,1994,1993,1992,1991,1990,1989]},{"institution":{"id":"https://openalex.org/I3125981224","ror":"https://ror.org/057mn3690","display_name":"National Chemical Laboratory","country_code":"IN","type":"facility","lineage":["https://openalex.org/I2799351866","https://openalex.org/I3125981224","https://openalex.org/I4210134808","https://openalex.org/I66760702"]},"years":[2003]},{"institution":{"id":"https://openalex.org/I4210150591","ror":"https://ror.org/03wejsv15","display_name":"Ministry of Defence","country_code":"IN","type":"government","lineage":["https://openalex.org/I2799351866","https://openalex.org/I4210150591"]},"years":[2015]}],"last_known_institutions":[{"id":"https://openalex.org/I2800703609","ror":"https://ror.org/03zeqmc64","display_name":"High Energy Materials Research Laboratory","country_code":"IN","type":"facility","lineage":["https://openalex.org/I1340206300","https://openalex.org/I2799351866","https://openalex.org/I2800703609","https://openalex.org/I4210150591"]}],"topics":[{"id":"https://openalex.org/T10806","display_name":"Energetic Materials and Combustion","count":77,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12513","display_name":"Rocket and propulsion systems research","count":37,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13917","display_name":"Engineering and Material Science Research","count":20,"subfield":{"id":"https://openalex.org/subfields/2500","display_name":"General Materials Science"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12358","display_name":"Thermal and Kinetic Analysis","count":16,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14099","display_name":"Synthesis and Characterization of Heterocyclic Compounds","count":16,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13917","display_name":"Engineering and Material Science Research","value":0.0005946,"subfield":{"id":"https://openalex.org/subfields/2500","display_name":"General Materials Science"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10806","display_name":"Energetic Materials and Combustion","value":0.0005477,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13265","display_name":"Synthesis of Tetrazole Derivatives","value":0.0003252,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12513","display_name":"Rocket and propulsion systems research","value":0.0002888,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14456","display_name":"Blasting Impact and Analysis","value":0.0001031,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"76737569","wikidata":"https://www.wikidata.org/wiki/Q1364934","display_name":"Propellant","score":0.9771239161491394},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.9418120384216309},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.8403810262680054},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.5142969489097595},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.3650175929069519}],"counts_by_year":[{"year":1989,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2003,"works_count":5,"oa_works_count":1,"cited_by_count":0},{"year":2004,"works_count":10,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":14,"oa_works_count":3,"cited_by_count":0},{"year":2006,"works_count":9,"oa_works_count":5,"cited_by_count":0},{"year":2007,"works_count":6,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2009,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":2,"oa_works_count":0,"cited_by_count":170},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":173},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":199},{"year":2015,"works_count":1,"oa_works_count":0,"cited_by_count":205},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":224},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":211},{"year":2018,"works_count":1,"oa_works_count":0,"cited_by_count":221},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":235},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":250},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":226},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":254},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":199},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":250},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":248},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":195}],"display_name_alternatives":["S ASTHANA","S N Asthana","S. Asthana","S. N. ASTHANA","S. N. Asthana","S.N Asthana","S.N. Asthana","Srinanadan N. Asthana"],"block_key":"s asthana","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111975607","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}