Results 1 to 10 of about 190,143 (303)

Solid carbon active screen plasma nitrocarburizing of AISI 316L stainless steel in cold wall reactor: influence of plasma conditions

Journal of Materials Research and Technology, 2020
Low temperature plasma nitrocarburizing processes are widely used surface treatment techniques to improve the surface hardness and wear resistance of stainless steels without loss of their excellent corrosion resistance.
Saeed M. Jafarpour, Alexander Puth, Anke Dalke, Jan Böcker, AndreiV. Pipa, Jürgen Röpcke, Jean-Pierre H. van Helden, Horst Biermann   +7 more
doaj   +5 more sources

Influence of Oxygen Admixture on Plasma Nitrocarburizing Process and Monitoring of an Active Screen Plasma Treatment

Applied Sciences, 2021
The effect of a controlled oxygen admixture to a plasma nitrocarburizing process using active screen technology and an active screen made of carbon was investigated to control the carburizing potential within the plasma-assisted process. Laser absorption
Jan Böcker, Anke Dalke, Alexander Puth, Christian Schimpf, Jürgen Röpcke, Jean-Pierre H. van Helden, Horst Biermann   +6 more
doaj   +3 more sources

Passive and active screen time relate differently to attention in preschool children [PDF]

Frontiers in Psychology
The widespread integration of screen technology into daily life has increased screen exposure among preschool children aged three to five. However, the differential associations of passive and active screen time with attention in this age group remain ...
Sigrid Hauge Nustad, Liv Merve Abrahamsson   +1 more
doaj   +2 more sources

Increasing Physical Activity in Educational Settings Using Mixed Reality Technology: Iterative Formative Study [PDF]

JMIR Formative Research
BackgroundAs physical education classes are lost to budget cuts and recess is canceled to meet standardized testing goals, the modern school day has become dominated by sedentary digital activities.
Katherine E Spring, Calvin W Feldt, Matthew Parker Posey, Phillip Nauta, Senlin Chen, David C Shepherd, Amanda E Staiano   +6 more
doaj   +2 more sources

The impact of screen exposure on early literacy skills of preschool children: the mediation of parental media intervention [PDF]

Frontiers in Psychology
IntroductionThis study investigates the impact and mechanisms of screen media use on early language development in preschoolers.MethodsVia questionnaires with 516 parents of 3-6-year-olds in China, we examined children’s screen exposure and early ...
Jing Zu, Yixuan Zhang, Ruifang Wang
doaj   +2 more sources

Duplex treatment of active screen plasma nitriding and amorphous hydrogenated carbon coating

Applied Surface Science Advances, 2021
Active screen plasma nitriding (ASPN) has recently emerged as an alternative nitriding technology with the potential to eliminate problems such as edge effect, arcing, and hollow cathode effects, associated with conventional direct current plasma ...
Akio Nishimoto, Rei Amano, Takazumi Tamiya   +2 more
doaj   +3 more sources

Screening of Anti-inflammatory Active Components of Lepyrodiclis holosteoides Based on LC-MS and Molecular Docking Technology

Shipin gongye ke-ji, 2022
Objective: To screen the anti-inflammatory active constituents in Lepyrodiclis holosteoides based on high performance liquid chromatography-mass spectrometry (HPLC-MS) and molecular docking technology.
Mengya WU, Nanxi ZHANG, Kaiyue ZHANG, Jingwei LÜ, Meng LAN, Hui ZHANG, Jiaming SUN   +6 more
doaj   +2 more sources

Network pharmacological study of Banxia-Chenpi in the treatment of cough variant asthma in children with phlegm evil accumulation lung syndrome

Intelligent Pharmacy, 2023
Objective: To explore the molecular mechanism of Banxia -Chenpi in the treatment of cough variant asthma with phlegm evil accumulation lung syndrome based on network pharmacology and molecular docking technology.
Bin Xin, Tianyi Liu, Yue Wu, Qingyang Hu, Xue Dong, Huanhuan Wang, Zhong Li   +6 more
doaj   +1 more source

Active screening technological model of cardiac rhythm disturbances (experience of Moscow polyclinic)

City Healthcare, 2022
Introduction. This article is devoted to the study of the structure of cardiac arrhythmias detected in the process of active screening using a portable ECG recorder in patients of the State Budgetary Institution of Healthcare "Consultative and Diagnostic Polyclinic No. 121 of the DZM" (hereinafter – KDP No. 121).
Elena V. Sorokina, Nadezhda P. Lyamina, Andrey A. Tyazhelnikov, Olga A. Mamontova, Pavel N. Kuzmin   +4 more
openaire   +2 more sources

Catalyst for co-construction: the role of AI-directed speech recognition technology in the self-organization of knowledge

Frontiers in Education, 2023
The purpose of this study was to analyze knowledge co-construction as a self-organization process and the role of technology as its catalyst. Novel AI-directed speech recognition technology and the artifacts it generates were deployed to scaffold the ...
Niina Halonen, Pirjo Ståhle, Kalle Juuti, Sami Paavola, Kirsti Lonka, Kirsti Lonka   +5 more
doaj   +1 more source