Study of the quality index of groundwater (GWQI) and its use for irrigation purposes using the techniques of the geographic information system (GIS) of the plain Nekor-Ghiss (Moroc... by S. Elkhalki, R. Hamed, S. Jodeh, M. Ghalit, M. Ghalit, R. Elbarghmi, K. Azzaoui, G. Hanbali, K. Ben Zhir, B. Ait Taleb, A. Zarrouk, A. Lamhamdi

“…These analyzes showed that the water samples were highly mineralized (>1,500 mg/L), with hardness (83.5% of the samples were very hard) and high concentrations of chemical elements, such as Cl−, Mg2+, Na+ and SO42-. To assess the quality of water in the study area for irrigation and consumption purposes, we used the quality index (GWQI) as well as a multi-criteria analysis based on “geographic information system” by assigning a weight to the different water quality parameters. …”
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Recycling of Polycarbonate/Acrylonitrile Butadiene Styrene Blends with Flame Retardant Additives for 3D Printing Filament by Lejalem Haile Zegeye, Desalegn Atalie

“…To study the effectiveness of waste recyclability, 3D printing filaments were produced through the extrusion process. Chemical elements, functional groups, and thermal and mechanical properties of recycled products were evaluated using EDX, FTIR, DSC, and universal tensile testing equipment, respectively. …”
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Elementary characterization of samples of Portland cement, natural gypsum and phosphogypsum mortars from Brazil by Danielle Cristine Narloch, Sergei Anatolyevich Paschuk, Janine Nicolosi Corrêa, Juliana Machado Casali, Wellington Mazer, Catarina Alzira Montenegro Peddis Torres, Alessandro Luiz de Lara, Gustavo Macioski, Allan Felipe Nunes Perna

“…Therefore, the objective of this work was to characterize and quantify the most common chemical elements in the samples of Brazilian Portland cement, natural gypsum, and phosphogypsum mortars by means of X-ray dispersive energy spectroscopy (EDXRF), as well as to evaluate the strength of these mortars. …”
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Ecological and geochemical features of mercury load on the territory of south of Western Siberia by Elena V. Peregudina, Elena E. Lyapina, Natalia V. Baranovskaya

“…Aspen leaves, widely used to analyze the biogeochemical cycle of chemical elements and their migration in the "soil–plant" system, reflect the elemental composition of growing environment and can act as a biogeoindicator for biogeochemical studies. …”
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Post-depositional processes of elemental enrichment inside dark nodular masses of an ancient aeolian dune from A Coruña, Northwest Spain by M.J. TRINDADE, M.I. PRUDÊNCIO, J.S. SÁNCHEZ, J.R. VIDAL ROMANÍ, T. FERRAZ, D. FERNÁNDEZ MOSQUERA, M.I. DIAS

“…Data of the concentrations of chemical elements were obtained by instrumental neutron activation analysis (INAA) and complemented by mineralogical and microchemical studies, using X-ray powder diffraction (XRD) and scanning electron microscopy (SEM) / energy dispersive X-ray spectrometry (EDS). …”
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Mercury in leaf litter of subtaiga forests on the natural territory by Viktor V. Boev, Nataliya Vladimirovna Baranovskaya, Vladislav V. Boev

“…Leaf litter is an important component of the biological cycle in boreal forests and the source of chemical elements entering the soil. The main aim is to reveal the regularities of mercury distribution in the leaf litter of mixed coniferous-deciduous forests in the natural territory. …”
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Assessing contamination sources and environmental hazards for potentially toxic elements and organic compounds in the soils of a heavily anthropized area: the case study of the Ace... by Stefano Albanese, Annalise Guarino

“…The contamination source analysis revealed that, as regards the concentrations of chemical elements, they have a dual origin due to both the natural composition of the soils (Co-Fe-V-Tl-Be) and the pressure exerted on the environment by anthropic activities such as vehicular traffic (Pb-Zn-Sb-Sn) and agricultural practices (Cu-P). …”
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Corrosion Resistance and Ion Release of Dental Prosthesis of CoCr Obtained by CAD-CAM Milling, Casting and Laser Sintering by Roberto Padrós, Luís Giner-Tarrida, Mariano Herrero-Climent, Miquel Punset, Francisco Javier Gil

“…The CAD-CAM milled samples presented lower ion-release levels and better corrosion resistance due to the total solubility of the chemical elements in only one phase with the same chemical composition. …”
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Correlative methods for dual-species quantum tests of the weak equivalence principle by B Barrett, L Antoni-Micollier, L Chichet, B Battelier, P-A Gominet, A Bertoldi, P Bouyer, A Landragin

“…Matter-wave interferometers utilizing different isotopes or chemical elements intrinsically have different sensitivities, and the analysis tools available until now are insufficient for accurately estimating the atomic phase difference under many experimental conditions. …”
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Elementary characterization of Ti metal alloys used in implant dentistry by Catarina Alzira Montenegro Peddis Torres, Sergei Anatolyevich Paschuk, Janine Nicolosi Corrêa, Valeriy Deniak, Anna Silvia Setti Rocha, Liliane Camargo, Joaquim Teixeira de Assis

“…However, sometimes other alloys are employed and consequently it is essential to study the chemical elements present in those alloys that could bring prejudice for the health. …”
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Hydrochemical evaluation of spring's water in Mila Wilaya, North-East Algeria by Chebbah Lynda, Kabour Abdesselem

“….; Determination of the origin of the chemical elements that constitute the mineral charge of these waters.; The chemical characteristics of spring's water have been shown to be influenced by the leaching process, which shows the influence of local geology.; Spring water bears the signature of the flow of precipitation that seeps into the soil and changes its chemical quality…”
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Using Mg/Ca Ratios from the Limpet <i>Patella depressa</i> Pennant, 1777 Measured by Laser-Induced Breakdown Spectroscopy (LIBS) to Reconstruct Paleoclimate by Asier García-Escárzaga, Marina Martínez-Minchero, Adolfo Cobo, Igor Gutiérrez-Zugasti, Alvaro Arrizabalaga, Patrick Roberts

“…In this study, calibration-free LIBS (CF-LIBS) methods were applied to estimate molar concentrations of chemical elements on biogenic calcium carbonate. The Mg/Ca ratio evolution along the shell growth axis was compared with stable oxygen isotope (δ¹⁸O) profiles obtained from these same limpets and the SST at the place where the mollusk grew to determine if the sequences obtained correctly reflected environmental conditions during the life-span of the mollusk. …”
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Rational Design of Monolithic g-C₃N₄ with Floating Network Porous-like Sponge Monolithic Structure for Boosting Photocatalytic Degradation of Tetracycline und... by Delu Cao, Xueying Wang, Hefan Zhang, Daiqiong Yang, Ze Yin, Zhuo Liu, Changyu Lu, Feng Guo

“…The phase composition, morphology, size, and chemical elements of the FSCN were studied using XRD, SEM, XPS, and UV–visible spectrophotometry. …”
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Synthesis and characterization of PANI nanofibers high-performance thin films via electrochemical methods by Fares Fenniche, Yasmina Khane, Abdellah Henni, Djaber Aouf, Dhiya Elhak Djafri

“…The PANI composition, which consists of the chemical elements carbon (C), oxygen (O), and nitrogen (N), is also confirmed by XPS (N). …”
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In Vitro Mechanical and Biological Properties of 3D Printed Polymer Composite and β-Tricalcium Phosphate Scaffold on Human Dental Pulp Stem Cells by Shuaishuai Cao, Jonghyeuk Han, Neha Sharma, Bilal Msallem, Wonwoo Jeong, Jeonghyun Son, Christoph Kunz, Hyun-Wook Kang, Florian M. Thieringer

“…Physicochemical properties of the scaffolds, including pore structure, chemical elements, and compression modulus, were characterized. hDPSCs were cultured on scaffolds for subsequent investigations of biocompatibility and osteoconductivity. …”
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Protective Geopolymer Coatings Containing Multi-Componential Precursors: Preparation and Basic Properties Characterization by Chenhui Jiang, Aiying Wang, Xufan Bao, Zefeng Chen, Tongyuan Ni, Zhangfu Wang

“…The results indicate that balancing strength and setting behavior is viable with the aid of the multi-componential precursor and the mixture design based on total molar ratios of key oxides or chemical elements. Adhesive strength of the optimized GPC mixtures was ranged from 1.5 to 3.4 MPa. …”
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KOMPARASI EFISIENSI MATERIAL BAJA KARBON St 37, BAJA KARBON St 41 DAN BAJA KARBON St 60 TERHADAP LAJU KOROSI DI MEDIA AIR MUARA SUNGAI (PAYAU) DENGAN METODE ELEKTROKIMIA by Yusuf Nur Afandi, Sumarji Sumarji

“…the use of steel in building structures in estuaries susceptible to corrosion due to environmental water containing chemical elements that are corrosive. Factors affecting corrosion such as temperature, acidity (pH), salinity (NaCl), the levels of chloride (Cl), the levels of sulfate (SO) as well as dissolved oxygen, causing easily corroded carbon steel. …”
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Ultrastructural studies on implants failure with immediate or late loading by Teodora Mihali, Anna Maria Pangica, Cherana Gioga, Anca Monica Dobrescu, Violeta Hancu, Mihaela Grigorie, Raluca Monica Comaneanu, Paula Perlea, Mihail Tarcolea

“…The ratios between the chemical elements calcium and nitrogen (Ca/N), phosphorus and nitrogen (P/N), respectively calcium and phosphorus (Ca/P) were calculated for each of the 8 samples and were statistically analyzed. …”
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Preparation and Characterization of Dextran Coated Iron Oxide Nanoparticles Thin Layers by Gabriel Predoi, Carmen Steluta Ciobanu, Simona Liliana Iconaru, Daniela Predoi, Dragana Biliana Dreghici, Andreea Groza, Florica Barbuceanu, Carmen Cimpeanu, Monica-Luminita Badea, Stefania-Felicia Barbuceanu, Ciprian Florin Furnaris, Cristian Belu, Liliana Ghegoiu, Mariana Stefania Raita

“…In addition, the distribution of the chemical elements into the DIO-NPs thin layer was analyzed by Glow Discharge Optical Emission Spectrometry (GDOES). …”
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Magnetite-Based Nanostructured Coatings Functionalized with <i>Nigella sativa</i> and Dicloxacillin for Improved Wound Dressings by Gabriela Dorcioman, Ariana Hudiță, Bianca Gălățeanu, Doina Craciun, Ionel Mercioniu, Ovidiu Cristian Oprea, Irina Neguț, Valentina Grumezescu, Alexandru Mihai Grumezescu, Lia Mara Dițu, Alina Maria Holban

“…The distribution of chemical elements and functional groups in the resulting coatings was evidenced by Fourier transform infrared (FTIR) spectrometry. …”
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