Principal component analysis: A natural approach to data exploration

FL Gewers, GR Ferreira, HFD Arruda, FN Silva… - ACM Computing …, 2021 - dl.acm.org
Principal component analysis (PCA) is often applied for analyzing data in the most diverse
areas. This work reports, in an accessible and integrated manner, several theoretical and …

Multivariate statistical analysis of heavy metal concentration in soils of Yelagiri Hills, Tamilnadu, India–Spectroscopical approach

A Chandrasekaran, R Ravisankar… - … Acta Part A: Molecular …, 2015 - Elsevier
Anthropogenic activities increase the accumulation of heavy metals in the soil environment.
Soil pollution significantly reduces environmental quality and affects the human health. In …

Assessments of radioactivity concentration of natural radionuclides and radiological hazard indices in sediment samples from the East coast of Tamilnadu, India with …

R Ravisankar, J Chandramohan… - Marine pollution …, 2015 - Elsevier
This paper reports on the distribution of three natural radionuclides 238 U, 232 Th and 40 K
in coastal sediments from Pattipulam to Devanampattinam along the East coast of …

Spatial distribution of physico-chemical properties and function of heavy metals in soils of Yelagiri hills, Tamilnadu by energy dispersive X-ray florescence …

A Chandrasekaran, R Ravisankar - Spectrochimica Acta Part A: Molecular …, 2015 - Elsevier
Soil physico-chemical properties were thought to be important factors in obscuring clear
identification of pollutant sources. In the present study physicochemical properties such as …

Characterization and chemometric analysis of ancient pot shards trenched from Arpakkam, Tamil Nadu, India

D Seetha, G Velraj - Journal of applied research and technology, 2016 - scielo.org.mx
The chemometric method based on the EDS analysis has been utilized to classify
archeological ceramic fragments from Arpakkam site (eight samples) in Kanchipuram …

A preliminary study of ancient potteries collected from Kundureddiyur, Tamil Nadu, India

Y Gomathy, A Chandrasekaran, M Aravinthraj… - Microchemical …, 2021 - Elsevier
This work is about to explore the mineralogical analysis of three different archaeological
pottery sherds discovered from the archaeological site Kundureddiyur, Tirupattur District …

Study on trace elements concentration in medicinal plants using EDXRF technique

C Kulal, RK Padhi, K Venkatraj, KK Satpathy… - … Trace Element Research, 2020 - Springer
Ten medicinal plants used as ingredients of folklore and Ayurvedic medicine belonging to
the Malnad Kerala region of South India, were analysed for concentrations of trace elements …

Archeological ceramic artifacts characterization through computed microtomography and X‐ray fluorescence

AS Machado, DF Oliveira, HS Gama Filho… - X‐Ray …, 2017 - Wiley Online Library
The analysis of ceramic materials has been proven to be an indispensable tool for indirectly
approaching past people and societies through their cultural remnants, allowing inferences …

Complex archaeometallurgical investigation of silver coins from the XVIth-XVIIIth century

RC Fierascu, I Fierascu, A Ortan, F Constantin… - Nuclear Instruments and …, 2017 - Elsevier
When dealing with cultural heritage artifacts, the use of non-invasive and non-destructive
analyses techniques is a must. Determination of the surface corrosion layers and coin …

Evaluation of natural radioactivity and radiological hazards in basement rocks from Gabel Abu El-Hassan in the North Eastern Desert of Egypt by multivariate statistical …

A El-Taher, M Kamel, A Tolba, G Salaheldin - … Detection Technology and …, 2021 - Springer
Purpose The present work deals with the natural radioactivity levels of basement rocks from
Gabel Abu El-Hassan in the North Eastern Desert of Egypt. Methods The activity …