Results 11 to 20 of about 466,653 (340)
A review on qualification and certification for metal additive manufacturing
Virtual and Physical Prototyping, 2021 Metal additive manufacturing (AM) has tremendous potential for manufacturing geometrically complex metallic products with freedom of design and desirable performance.
Ze Chen +4 more
semanticscholar +1 more source
BMC Medical Education, 2023 Background To determine physician assistant/associate (PA) perceptions of the value of certification and explore how they vary across demographic and practice characteristics.
Andrzej Kozikowski +5 more
doaj +1 more source
Study on the influence of test solution concentration on the chemical corrosion resistance of ceramic tiles [PDF]
E3S Web of Conferences, 2020 Chemical resistance is one of the important evaluation factors of ceramic tiles. This article describes the method for determining the chemical resistance of ceramic tiles, and discusses the influence of acid-base solution concentration on the test ...
Tian Tao +4 more
doaj +1 more source
Ensuring the safety and health of workers performing work at heights in the industrial sectors [PDF]
MATEC Web of Conferences, 2020 The research study aims to implement the general principles for the prevention of professional risks at employers’ level in relation to low-mobility workers in order to ensure an adequate level of safety and to ensure protection measures in support of ...
Antonov Anca Elena +2 more
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Shipin gongye ke-ji, 2023 To investigate the rare earth elements residues in teas from Jiangxi Province in order to provide suggestions on reducing rare earth elements (REEs) contamination, and to improve the quality of tea.
Zhiliang XU, Xinquan ZHANG
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Determination of Trace Elements in Nickel-based High-temperature Alloy by High Resolution Plasma Mass Spectrometry [PDF]
Zhipu Xuebao, 2023 The nickel content of nickel-based high-temperature alloy is between 50% and 70%, and the alloy contents of chromium, iron, cobalt, molybdenum, aluminum, titanium and tungsten are within 20%.
HU Xuan1 +6 more
doaj +1 more source
The Design of The Positioning Mechanism of The Mould Car in The Intelligent Manufacturing Production Line of Sanitary Ceramics [PDF]
E3S Web of Conferences, 2021 The social production demand of intelligent manufacturing production line of sanitary ceramics was expounded, the technological process of intelligent manufacturing of sanitary ceramics was analyzed, and the importance of mold car positioning in the ...
Zhong Bo, Lv Huachao, Gao Hui, Wang Ying
doaj +1 more source
Hangkong gongcheng jinzhan, 2020 With the best comprehensive performance, Li-ion batteries are widely applied to civil aviation. As the research of its technical characteristics and security risks are defective, and the applicable airworthiness regulations are short of safety standards,
MA Yingkun, QIU Tao
doaj +1 more source
The effect of acetic acid extraction time on the dissolution of lead and cadmium in ceramic tiles [PDF]
E3S Web of Conferences, 2020 With the improvement of people's living standard, the glazed tiles will be decorated with some colored glaze materials in order to increase strength and surface decoration effect, and these ceramic tiles containing lead and cadmium will be dissolved out ...
Tian Tao +3 more
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Yankuang ceshi, 2021 BACKGROUND Composition analysis of copper concentrate is an important method to determine its quality, especially the analysis of the main element copper.
ZHOU Cheng-ying +6 more
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