Articles with "analysis chemical" as a keyword



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Chemical states of ppm cerium in steel by ToF‐SIMS analysis

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Published in 2019 at "Surface and Interface Analysis"

DOI: 10.1002/sia.6739

Abstract: Time‐of‐flight secondary ion mass spectrometry (ToF‐SIMS) was employed for an analysis of the rare earth element Ce in pure iron and steel. Secondary ion images showed that the amount of the segregation of Ce and… read more here.

Keywords: analysis chemical; sims analysis; tof sims; steel ... See more keywords
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Analysis of the chemical composition of ultrafine particles from two domestic solid biomass fired room heaters under simulated real-world use.

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Published in 2017 at "Atmospheric Environment"

DOI: 10.1016/j.atmosenv.2016.11.048

Abstract: Abstract Two common types of wood (beech and fir) were burned in commercial pellet (11.1 kW) and wood (8.2 kW) stoves following a combustion cycle simulating the behavior of a real-world user. Ultrafine particulate matter (UFP, dp read more here.

Keywords: real world; analysis chemical; chemical composition; ultrafine particles ... See more keywords
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Comparative analysis of chemical profiles and antioxidant activities of essential oils obtained from species of Lippia L. by chemometrics.

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Published in 2022 at "Food chemistry"

DOI: 10.1016/j.foodchem.2022.132614

Abstract: Due to the importance of diseases associated with oxidative stress, the search for natural antioxidants proves to be essential. This work aimed to compare the chemical composition and antioxidant potential of essential oils from the… read more here.

Keywords: analysis chemical; comparative analysis; chemical profiles; essential oils ... See more keywords
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Novel Approach to the Analysis of Chemical Third-Order Data

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Published in 2020 at "Journal of chemical information and modeling"

DOI: 10.1021/acs.jcim.0c00554

Abstract: For the more complex samples, the chemical higher-order data can collect their various information, which becomes the necessary foundation of accurate analysis. In this paper, Tchebichef cubic moment (TCM) was developed to the analysis of… read more here.

Keywords: order; analysis chemical; third order; order data ... See more keywords
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Energy analysis of chemical looping oxidative dehydrogenation of propane

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Published in 2018 at "Petroleum Science and Technology"

DOI: 10.1080/10916466.2017.1416631

Abstract: ABSTRACT Feasibility and energy analysis of chemical looping oxidative dehydrogenation of propane (CL-ODHP) process is performed by thermodynamic method. Results show that Mn2O3/MnO can be used for CL-ODHP, after one redox looping, about 100 kJ/mol… read more here.

Keywords: dehydrogenation; analysis chemical; energy; propane ... See more keywords
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Analysis of Chemical Constituents Changing in Physical Process and Nutritional Components of Malus halliana Koehne Tea

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Published in 2017 at "Journal of Food Quality"

DOI: 10.1155/2017/7950137

Abstract: This study aimed to establish a HPLC method for simultaneous determination of the changing of quercitrin, 3-hydroxyphloridzin, and phloridzin in physical process of M. halliana tea. Meanwhile, the nutritional compositions were determined, using anthrone-sulfuric acid… read more here.

Keywords: analysis chemical; chemical constituents; physical process; tea ... See more keywords
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Analysis of chemical compositions and larvicidal activity of nut extracts from Areca catechu Linn against Aedes (Diptera: Culicidae)

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Published in 2021 at "PLoS ONE"

DOI: 10.1371/journal.pone.0260281

Abstract: Background There is a growing need to use green alternative larvicidal control for Aedes larvae compared to chemical insecticides. Substantial reliance on chemical insecticides caused insecticide resistance in mosquito populations. Thus, research for alternate chemical… read more here.

Keywords: chemistry; analysis chemical; areca catechu; nut ... See more keywords
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Analysis of the Chemical Profiles and Anti-S. aureus Activities of Essential Oils Extracted from Different Parts of Three Oregano Cultivars

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Published in 2021 at "Foods"

DOI: 10.3390/foods10102328

Abstract: The use of antibiotics in the food industry is highly regulated owing to the potential harmful effects of antibiotics on human health. Therefore, it is crucial to seek alternatives for ensuring food safety. Essential oils… read more here.

Keywords: oregano cultivars; analysis chemical; different parts; three oregano ... See more keywords
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Comparative Analysis of Chemical Constituents in Different Parts of Lotus by UPLC and QToF-MS

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Published in 2021 at "Molecules"

DOI: 10.3390/molecules26071855

Abstract: Six parts of lotus (seeds, leaves, plumule, stamens, receptacles and rhizome nodes) are herbal medicines that are listed in the Chinese Pharmacopoeia. Their indications and functions have been confirmed by a long history of clinical… read more here.

Keywords: parts lotus; comparative analysis; analysis chemical; uplc qtof ... See more keywords
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Computational Analysis of Chemical Space of Natural Compounds Interacting with Sulfotransferases

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Published in 2021 at "Molecules"

DOI: 10.3390/molecules26216360

Abstract: The aim of this study was to investigate the chemical space and interactions of natural compounds with sulfotransferases (SULTs) using ligand- and structure-based in silico methods. An in-house library of natural ligands (hormones, neurotransmitters, plant-derived… read more here.

Keywords: natural compounds; space; analysis chemical; computational analysis ... See more keywords
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HPTLC Analysis and Chemical Composition of Selected Melaleuca Essential Oils

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Published in 2023 at "Molecules"

DOI: 10.3390/molecules28093925

Abstract: Tea tree oil (TTO) is a volatile essential oil obtained by distillation, mainly from the Australian native plant Melaleuca alternifolia (Maiden & Betche) Cheel (Myrtaceae). In this study, a comparative analysis of the chemical constituents… read more here.

Keywords: oil; hptlc analysis; analysis chemical; chemical composition ... See more keywords