On Harmonic Index and Diameter of Quasi-Tree Graphs by A. Abdolghafourian, Mohammad A. Iranmanesh

“…The harmonic index of a graph G (HG) is defined as the sum of the weights 2/du+dv for all edges uv of G, where du is the degree of a vertex u in G. …”
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Eccentric Harmonic Index for the Cartesian Product of Graphs by Kamel Jebreen, Muhammad Haroon Aftab, M. I. Sowaity, B. Sharada, A. M. Naji, M. Pavithra

“…Suppose ρ is a simple graph, then its eccentric harmonic index is defined as the sum of the terms 2/ea+eb for the edges vavb, where ea is the eccentricity of the ath vertex of the graph ρ. …”
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Measuring national financial development: indexes and methods by T. Ph.T. Duong

Subjects: “…financial development index…”
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MGIMO-UNIVERSITY IN THE RUSSIAN INDEX OF SCIENTIFIC CITATION by M. V. Kharkevich

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On the Maximum SC Index of Chemical Unicyclic Graphs by Hui-Yan Cheng, Lei Chen, Sattar Alyar

“…The sum-connectivity SC index of a graph G is defined as SCG=∑μν∈EG1/Θμ+Θν, where Θμ denotes the vertex degree of μ in G. …”
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Seasonal variation of air quality index and assessment by S.D. Kumar, A. Dash

Subjects: “…Air quality index (AQI)…”
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THE EFFECT OF BODY MASS INDEX ON THE MENSTRUAL CYCLE by Светлана Ивановна Елгина, Екатерина Александровна Большанина, Елизавета Евгеньевна Большанина, Мария Дмитриевна Сокирник, Елена Владимировна Рудаева, Наталья Степановна Черных, Кира Борисовна Мозес

“…Body mass index (BMI) is a value that allows you to determine the ratio of a person's weight and height, and understand in which category he is in, whether the weight is insufficient, normal, overweight or obese. …”
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The chromatic index of cyclic Steiner 2-designs by Charles J. Colbourn, Marlene J. Colbourn

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Connectivity Index in Vague Graphs with Application in Construction by Huiqin Jiang, Yongsheng Rao

“…Hence, in this paper, we investigate connectivity index, average connectivity index, and Randic index in vague graphs with several examples. …”
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Indexation of Fixed-Income Portfolios to the IMA-B by Emilio Ricardo Carvalhais, Antonio Marcos Duarte Júnior

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Development of an insurance industry image assessment index by O. I. Larina, N. V. Moryzhenkova

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The Kirchhoff Index of Hypercubes and Related Complex Networks by Jiabao Liu, Jinde Cao, Xiang-Feng Pan, Ahmed Elaiw

“…We firstly provided an exact formula for the Kirchhoff index of the hypercubes networks Qn by utilizing spectral graph theory. …”
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Development of Pavement Condition Index and Roughness Index Relationship for Optimal Pavement Maintenance Strategies: A Case Study of Johnstone Road. by Bogere, David

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Obesity Index That Better Predict Metabolic Syndrome: Body Mass Index, Waist Circumference, Waist Hip Ratio, or Waist Height Ratio by Abdulbari Bener, Mohammad T. Yousafzai, Sarah Darwish, Abdulla O. A. A. Al-Hamaq, Eman A. Nasralla, Mohammad Abdul-Ghani

“…The aim was to compare body mass index (BMI), waist circumference (WC), waist hip ratio (WHR), and waist height ratio (WHtR) to identify the best predictor of metabolic syndrome (MetS) among Qatari adult population. …”
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Association between triglyceride-glucose index and its composite obesity indexes and cardio-renal disease: analysis of the NHANES 2013-2018 cycle by Yu Wu, Chengsen Liu, Jiandong Cao

“…BackgroundThe association between triglyceride-glucose (TYG) and its composite obesity indexes and cardio-renal disease in the American population remains insufficiently researched.MethodsThis study examined a cohort of 11,491 American adults aged 20 years and older from the 2003-2018 National Health and Nutrition Examination Survey (NHANES). …”
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The synergistic effect of the triglyceride-glucose index and a body shape index on cardiovascular mortality: the construction of a novel cardiovascular risk marker by Hao-ming He, Ying-ying Xie, Qiang Chen, Yi-ke Li, Xue-xi Li, Sun-jing Fu, Na Li, Yan-ru Han, Yan-xiang Gao, Jin-gang Zheng

Subjects: “…Triglyceride-glucose index…”
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Development and psychometric validation of the frontline health workers’ occupational risk and characteristics in emergencies index (FORCE-index) – The covid Hospital cohort study by Synne Øien Stensland, Kristina Bondjers, John-Anker Zwart, Leiv Arne Rosseland, Dan Atar, Jan Olav Christensen, Dagfinn Matre, Kristin Alve Glad, Tore Wentzel-Larsen, Hilde Wøien, Grete Dyb

“…The current study reports on the development and psychometric evaluation of the Frontline health workers’ Occupational Risk and Characteristics in Emergencies index (FORCE-index). Study design: The Covid hospital study is a large, multisite, four-wave, open cohort study of frontline health workers responding to the first four waves of the COVID-19 pandemic (2020–2022). …”
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Antenna Element Index Modulation for Frequency Diverse Array by Gaojian Huang, Yuan Ding, Vincent Fusco, Shan Ouyang

“…In this paper, we propose a new architecture and provide performance analysis for frequency diverse array (FDA) Radar combined with the index modulation (IM) techniques. Here, the IM concept is applied upon frequency offsets in an FDA. …”
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Material choice to optimise the performance index of isogrid structures by C. Bellini, V. Di Cocco, F. Iacoviello, L. P. Mocanu, F. Berto

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Use of integrated pulmonary index (IPI) in clinical practice by Serdar Özdemir

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