{"id":"https://openalex.org/A5037972864","orcid":"https://orcid.org/0000-0001-6805-0248","observed_orcids":["https://orcid.org/0000-0001-6805-0248"],"display_name":"Oijai Ongrai","raw_author_names":["O Ongrai","O. Ongrai","Oijai Ongrai"],"full_name":"Oijai Ongrai","works_count":15,"cited_by_count":106,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":6,"i10_index":5},"ids":{"openalex":"https://openalex.org/A5037972864","orcid":"https://orcid.org/0000-0001-6805-0248","observed_orcids":["https://orcid.org/0000-0001-6805-0248"]},"affiliations":[{"institution":{"id":"https://openalex.org/I134421475","ror":"https://ror.org/015w2mp89","display_name":"National Physical Laboratory","country_code":"GB","type":"facility","lineage":["https://openalex.org/I134421475"]},"years":[2013,2011,2010]},{"institution":{"id":"https://openalex.org/I28290843","ror":"https://ror.org/00ks66431","display_name":"University of Surrey","country_code":"GB","type":"education","lineage":["https://openalex.org/I28290843"]},"years":[2013,2011,2010]},{"institution":{"id":"https://openalex.org/I4387152776","ror":"https://ror.org/01357ty92","display_name":"National Institute of Metrology (Thailand)","country_code":"TH","type":"government","lineage":["https://openalex.org/I4387152776"]},"years":[2025,2024,2019,2017,2014,2013,2011,2010]}],"last_known_institutions":[{"id":"https://openalex.org/I4387152776","ror":"https://ror.org/01357ty92","display_name":"National Institute of Metrology (Thailand)","country_code":"TH","type":"government","lineage":["https://openalex.org/I4387152776"]}],"topics":[{"id":"https://openalex.org/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","count":14,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13928","display_name":"Advanced Sensor Technologies Research","count":14,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12019","display_name":"Calibration and Measurement Techniques","count":13,"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/T10440","display_name":"Advanced Thermoelectric Materials and Devices","count":1,"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/T11583","display_name":"Advanced Measurement and Metrology Techniques","count":1,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13928","display_name":"Advanced Sensor Technologies Research","value":0.0002529,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12019","display_name":"Calibration and Measurement Techniques","value":8.35e-05,"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/T11890","display_name":"Scientific Measurement and Uncertainty Evaluation","value":6.3e-05,"subfield":{"id":"https://openalex.org/subfields/3105","display_name":"Instrumentation"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10440","display_name":"Advanced Thermoelectric Materials and Devices","value":6.9e-06,"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/T12300","display_name":"Advanced Electrical Measurement Techniques","value":6.7e-06,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"168068576","wikidata":"https://www.wikidata.org/wiki/Q190241","display_name":"Thermocouple","score":0.9834468364715576},{"id":"192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","score":0.7853682041168213},{"id":"165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","score":0.7558794021606445},{"id":"159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","score":0.3533211946487427},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.20843952894210815}],"counts_by_year":[{"year":2010,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":7},{"year":2013,"works_count":2,"oa_works_count":0,"cited_by_count":9},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":15},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":15},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":8},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":8},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2024,"works_count":1,"oa_works_count":0,"cited_by_count":10},{"year":2025,"works_count":3,"oa_works_count":2,"cited_by_count":3},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":4}],"display_name_alternatives":["O Ongrai","O. Ongrai","Oijai Ongrai"],"block_key":"o ongrai","works_api_url":"https://api.openalex.org/works?filter=author.id:A5037972864","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5037972864","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
