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1081
Geochemistry of a paleo-oxbow lake sediments and its implications for the late Holocene extreme overbank flooding history of the Yellow River within the Zoige Basin, NE Tibetan Pla...
Published 2023-02-01“…Our results suggest that not only traditional sedimentological proxies, but also chemical elements can be applied in defining sequences with different genetic types, especially the paleoflood deposits in the paleo-oxbow profile. …”
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1082
Deep Transfer Learning for Image Classification of Phosphorus Nutrition States in Individual Maize Leaves
Published 2023-12-01“…This status is mediated by approximately 14 chemical elements acquired by the plant, and their determination plays a pivotal role in farm management. …”
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1083
A detection method of trace metal elements in black soil based on hyperspectral technology: Geological implications
Published 2021-06-01“…In order to solve the above problems, according to the physical and chemical properties of soil chemical variables, the enrichment characteristics of heavy metals are transferred to the related major chemical elements, so that the weak information of heavy metals can be indirectly quantitatively inverted. …”
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1084
Geochemical features of holocene section of Minzelinskoe lake sapropel (Western Siberia)
Published 2019-05-01“…Unequal enrichment of different sediment layers by chemical elements reflects the changes in vegetation types and related biochemical reactions. …”
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1085
Geochemical features of poplar leaf elemental composition in urban areas
Published 2016-08-01“…The methods used in the study: selection of poplar leaf samples on a uniform grid of 2x2, 1x1, 0,5x0,5 km; ashing the samples at 450 °C with determination of ash content in accordance with GOST 26929-94; quantitative instrumental neutron activation analysis (determination of content of 28 chemical elements); empirical data processing and analysis by correlation, cluster and factor (method of principal components) analyzes, as well as with the use of indicator ratios: Th/U, La/Th, La/Lu, La/Yb, La/Sm, Ce/Nd, La+Ce/Sm+Eu, La+Ce/Yb+Lu. …”
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1086
Geochemical features of poplar leaf elemental composition in urban areas
Published 2016-08-01“…The methods used in the study: selection of poplar leaf samples on a uniform grid of 2x2, 1x1, 0,5x0,5 km; ashing the samples at 450 °C with determination of ash content in accordance with GOST 26929-94; quantitative instrumental neutron activation analysis (determination of content of 28 chemical elements); empirical data processing and analysis by correlation, cluster and factor (method of principal components) analyzes, as well as with the use of indicator ratios: Th/U, La/Th, La/Lu, La/Yb, La/Sm, Ce/Nd, La+Ce/Sm+Eu, La+Ce/Yb+Lu. …”
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1087
Phytochemical study of <i>Tribulus Terrestris</i> L.
Published 2020-01-01“…Tríbulus terrestris L., an annual herb belonging to the Zygophyllaceae family and growing in moderate and tropical climates, has a rich chemical composition of biologically active substances and chemical elements.The aim of the work is a phytochemical study of Tribulus terrestris L. growing in different geographical zones.Materials and methods. …”
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1088
Are Zirconia Bioceramics and Ceramics Intended to Come in Contact with Skin Inert?
Published 2020-04-01“…By inductively coupled plasma-optical emission spectrometry/mass spectrometry (ICP-OES/MS), traces of significant chemical elements were assessed: Hf, Cr, Y, As, Pb, Al, Fe, Cu, Se, Sb, La, Ni, Co, Sb, Ta, Te, Ba, Sm, Nb, Hg, Cd, Sr, As and Se. …”
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1089
Impact of Mining and Ore Processing on Soil, Drainage and Vegetation in the Zambian Copperbelt Mining Districts: A Review
Published 2023-03-01“…Solid speciation studies of potentially harmful chemical elements (PHEs), plant and human bioaccessibility studies, and a range of mineralogical techniques were used to assess the pathways of PHE cycling in terrestrial and aqueous systems and their impacts on human health. …”
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1090
Water Quality Assessment of Groundwater Resources in Qaleeh Shahin Plain Based on Cd and HEI
Published 2016-09-01“…Abstract Aims: The chemical elements in water resources, especially groundwater, can affect the water consumption purposes. …”
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1091
Gamma-ray Full Spectrum Analysis for Environmental Radioactivity by HPGe Detector
Published 2014-12-01“…Odyssey, one of the NASA’s Mars exploration program and SELENE (Kaguya), a Japanese lunar orbiting spacecraft have a payload of Gamma-Ray Spectrometer (GRS) for analyzing radioactive chemical elements of the atmosphere and the surface. In these days, gamma-ray spectroscopy with a High-Purity Germanium (HPGe) detector has been widely used for the activity measurements of natural radionuclides contained in the soil of the Earth. …”
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1092
The Pulp Stones: Morphological Analysis in Scanning Electron Microscopy and Spectroscopic Chemical Quantification
Published 2021-12-01“…Thus, this study aimed to morphologically analyze pulp stones and present their chemical quantification, identifying their main chemical elements. It also correlates the results with their possible induction mechanisms. …”
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1093
Assessment of Soil Characteristics Using a Three-Band Agricultural Digital Camera
Published 2022-08-01“…First, the reference data were collected, which consist of 151 samples that were later examined in the laboratory to specify the granulometric composition and to quantify some chemical elements. Second, additional soil properties such as cation exchange capacity, organic carbon and soil pH were measured. …”
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1094
Indoor/outdoor relationship of particulate matter (PM10) and its chemical composition in a coastal region of Colombia
Published 2023-12-01“…The indoor/outdoor ratio of PM10 concentrations ranged from 0.213 ± 0.01 at the station with the lowest levels of PM10 to 0.360 ± 0.02 at the station with the highest levels of PM10. Chemical elements with the highest levels in PM10 were crustal elements (Ca, Na, K, Fe, Mg, As, and Co), and those with the lowest levels in PM10 were anthropogenic tracers emitted from transportation (Cd, V, Cu, Mn, Ni, Pb, and Zn). …”
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1095
Anti-fungal and anti-termite activity of extractives compounds from thermally modified ash woods
Published 2020-04-01“…In addition, new chemical elements were generated by the thermal degradation of wood polymers (lignin and hemicelluloses), including aliphatic acids, monosaccharides and other products resulting from their dehydration reaction. …”
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1096
Proxanal-based predictive model for estimating ultanal attributes of lignocellulosic biomass
Published 2022-12-01“…Lignocellulosic materials represent one of the clean alternative energy sources that have carbon in their building blocks, which can be processed into liquid biofuel and useful chemicals. Elemental compositions of biomass such as carbon (C), hydrogen (H) and oxygen (O) are key indicators for establishing calorific value, energy efficiency and carbon footprint during direct application as fuel and feedstock in thermochemical conversion. …”
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1097
Geochemical features of holocene section of Minzelinskoe lake sapropel (Western Siberia)
Published 2019-05-01“…Unequal enrichment of different sediment layers by chemical elements reflects the changes in vegetation types and related biochemical reactions. …”
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1098
Mechanisms of fluorine accumulation in nitric thermal waters
Published 2018-01-01“…It was determined that thermal waters constantly dissolve endogenous aluminosilicates, accumulate chemical elements in solution, and form the secondary minerals of different composition after the equilibrium achievement. …”
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1099
Trace Minerals, Heavy Metals, and Preeclampsia: Findings from the Boston Birth Cohort
Published 2019-08-01“…Epidemiologic findings on these chemical elements have been inconsistent. To confirm experimental findings in mice, we examined associations of trace minerals (Mn and Se) and heavy metals (Cd, lead [Pb], and mercury [Hg]) with preeclampsia in a birth cohort. …”
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1100
Highly Stretchable and Robust Electrochemical Sensor Based on 3D Graphene Oxide–CNT Composite for Detecting Ammonium in Sweat
Published 2023-03-01“…Sweat, one of the most suitable biological fluids for non-invasive monitoring, contains various chemical elements relating abundant information about human health conditions. …”
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