Results 21 to 30 of about 14,397 (202)
Metals, 2022 In this study, the tribological properties of three AISI 1045 steel samples were investigated. Two samples were treated with ultrasonic shot peening (USP) and ultrasonic strengthening grinding process (USGP), respectively, while the other one was only ...
Jinrui Xiao +6 more
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Geosciences, 2018 Surface Kastanozem of the Lower Volga area was first studied as a part of the pedocomplex, with the lower part (148⁻160 cm) formed in Early Khvalynian Chocolate clays (13⁻15 ka), the middle part (100⁻148 cm) in a mixed clay-loess ...
Marina Lebedeva +7 more
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Seed Coat Ornamentation of some Species of Vicia L. Genus and their Practical Value in Classification [PDF]
تاکسونومی و بیوسیستماتیک, 2019 Microcharacters of seed coat and its surface patterns are valuable in the systematic consideration in some genera. The aim of this study was to introduce the application of these data in assisting the identification of Vicia L. species.Micromorphological
Mohammad Hossein Ehtemam +1 more
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Experimental Study on the Impact of CO2 Treatment on Different Lithofacies in Shale Oil Reservoirs
Applied Sciences, 2022 CO2 technology has been progressively used in the development of shale oil. After injection, CO2 can react with formation water to form carbonic acid, which then reacts with carbonate and silicate minerals, resulting in changes in porosity and ...
Jiaping Tao +5 more
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Atmosphere, 2022 A three-dimensional Monte Carlo model was developed to simulate the deposition of aerosol particles onto horizontal solid surfaces. The random walk method was employed to solve the particle transport equation, which allowed obtaining the trajectory of ...
Shixian Wu +4 more
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Semiautomatic Toolmark Classification in Chased Metals Using Surface Microtopography
Heritage, 2022 Chasing is one of the main decorative techniques found in metal work. The imprints left by different chasing tools are unique not only to the tool, but also to the chaser.
Yoko Arteaga +4 more
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Seed micromorphology of Sedum (s.l.) from Zhejiang and its taxonomic implications
浙江大学学报. 农业与生命科学版, 2008 Seeds of 26 species of Sedum (s.l.), which were collected from Zhejiang Province of China, were observed under scanning electron microscope (SEM). The systematic significance of seed micromorphology was studied.
JIN Xiao-feng +4 more
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Anatomical and micromorphological characteristics of Pogostemon heyneanus Benth. (Lamiaceae)
Jurnal Natural, 2023 Foliar micromorphological and anatomical characteristics of Pogostemon heyneanus Benth. (Lamiaceae) was investigated in order to describe its comprehensive characterization and its association with the presence of essential oils. The methods used in this
AMALIA AMALIA +4 more
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The location of nectaries and nectar secretion in the flowers of Allium giganteum Regel
Acta Agrobotanica, 2012 In the flowers of Allium there are found septal nectaries; in particular species, their outlet can be located in different parts of the ovary. The inflorescences of these plants are a rich source of nectar for insects.
Beata Żuraw +3 more
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Frontiers in Plant Science, 2020 The genera Arnebia and Lithospermum (Lithospermeae-Boraginaceae) comprise 25–30 and 50–60 species, respectively. Some of them are economically valuable, as their roots frequently contain a purple-red dye used in the cosmetic industry.
Inkyu Park +3 more
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