Results 11 to 20 of about 1,214,301 (380)

Study on the influence of test solution concentration on the chemical corrosion resistance of ceramic tiles [PDF]

open access: yesE3S 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

A review on qualification and certification for metal additive manufacturing

open access: yesVirtual 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

The association of physician assistant/associate demographic and practice characteristics with perceptions of value of certification

open access: yesBMC 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

Ensuring the safety and health of workers performing work at heights in the industrial sectors [PDF]

open access: yesMATEC 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
doaj   +1 more source

The Design of The Positioning Mechanism of The Mould Car in The Intelligent Manufacturing Production Line of Sanitary Ceramics [PDF]

open access: yesE3S 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

Quantum certification and benchmarking [PDF]

open access: yesNature Reviews Physics, 2019
With the rapid development of quantum technologies, a pressing need has emerged for a wide array of tools for the certification and characterization of quantum devices.
J. Eisert   +7 more
semanticscholar   +1 more source

The effect of acetic acid extraction time on the dissolution of lead and cadmium in ceramic tiles [PDF]

open access: yesE3S 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
doaj   +1 more source

Origin Characteristics and Traceability Discrimination of Jiangxi Tea based on Rare Earth Element Contents

open access: yesShipin 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
doaj   +1 more source

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