Zobrazeno 1 - 10
of 1 090
pro vyhledávání: '"Polytetrafluoroethylene (PTFE)"'
Autor:
Hiroki Kamada, MD, PhD, Sota Oguro, MD, PhD, Tatsuro Fukushi, MD, Hiromitsu Tannai, MD, PhD, Hideki Ota, MD, PhD, Kei Takase, MD, PhD
Publikováno v:
Radiology Case Reports, Vol 19, Iss 8, Pp 3483-3487 (2024)
We present a case of prophylactic endovascular embolization in a 51-year-old man with necrotizing pancreatitis (NP) before undergoing endoscopic necrosectomy (EN). Contrast-enhanced CT imaging revealed the presence of a walled-off necrosis (WON) surr
Externí odkaz:
https://doaj.org/article/75541e44e73744ea8d3726e9cba87d08
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 1, Pp 309-317 (2024)
Polymer gears are often used in power transmission due to their numerous advantages. Heat accumulates on polymer gears during operation. Over time, this accumulated heat leads to damage; and shortens the service life of the gears. To prevent this, va
Externí odkaz:
https://doaj.org/article/a0ebaa82821f4ed695b5a2b775f9e918
Publikováno v:
Sensing and Bio-Sensing Research, Vol 46, Iss , Pp 100703- (2024)
In this study, we report a sensitive real-time microbial growth monitoring technique using a complementary metal-oxide semiconductor (CMOS) dielectric sensor with a polytetrafluoroethylene (PTFE) membrane. The sensor comprised an LC oscillator array
Externí odkaz:
https://doaj.org/article/042111051d6a4d9db3c7a5c6748be715
Autor:
Sahrish Amin, Ikram Ullah, Saira Shukat, Marouan Kouki, Hijaz Ahmad, Mohammad Mahtab Alam, Hassan Khan
Publikováno v:
Case Studies in Thermal Engineering, Vol 58, Iss , Pp 104378- (2024)
The concept of thermal transfer has fundamental implications in many areas, from the most basic physiological processes to the most complex technological systems. Kerosene oil, often known as paraffin oil, is frequently used as a fuel for jet lightin
Externí odkaz:
https://doaj.org/article/158a9220365a46c9a8424c9ff57f22ab
Autor:
Xuetong Zhao, Yang Yang, Li Cheng, Jing Guo, Shenglin Kang, Yuchen Li, Xilin Wang, Lijun Yang, Ruijin Liao
Publikováno v:
Journal of Advanced Ceramics, Vol 12, Iss 9, Pp 1758-1766 (2023)
Composite coatings or films with polytetrafluoroethylene (PTFE) are typically utilized to offer superhydrophobic surfaces. However, the superhydrophobic surfaces usually have limited durability and require complicated fabrication methods. Herein, we
Externí odkaz:
https://doaj.org/article/07ba8449349e4e2fab146a5ac28eb313
Publikováno v:
Friction, Vol 12, Iss 1, Pp 120-135 (2023)
Abstract Tribological applications of polytetrafluoroethylene (PTFE) are often limited by technological complexity to overcome its poor wear resistance. Here, a PTFE/polyetheretherketone (PEEK) heterolayer (HL) was proposed and evaluated as a new sol
Externí odkaz:
https://doaj.org/article/573e04f6349249c4914804daeb06bed4
Autor:
Shao-Hsien Chen, Meng-Ying Lin
Publikováno v:
Heliyon, Vol 10, Iss 4, Pp e26124- (2024)
Recently, the lubricating devices for the feed systems of computer numerical control (CNC) machine tools supply oil periodically because programmable logic controller and macro are adopted for designing oil supply for the present CNC machine tools, c
Externí odkaz:
https://doaj.org/article/308c8d7aac3744748f13ca447c5fd4f0
Autor:
Yanfei Liu, Hailing He, Meng Yang, Ruize Zhang, Shengtao Yu, Tiantian Yang, Wenzhong Wang, Fuxin Liang
Publikováno v:
Friction, Vol 12, Iss 2, Pp 258-270 (2023)
Abstract Polytetrafluoroethylene (PTFE) has been widely used as a lubrication additive for reducing friction and wear; however, the hydrophobic nature of PTFE restricts its application in eco-friendly water-based lubrication systems. In this study, f
Externí odkaz:
https://doaj.org/article/d8877357a09948f293712b810d8a2b9f
Autor:
Raghda Alsayed, Dina S. Ahmed, Amani Husain, Mohammed Al-Baidhani, Mohammed Al-Mashhadani, Alaa A. Rashad, Muna Bufaroosha, Emad Yousif
Publikováno v:
Materials Science for Energy Technologies, Vol 6, Iss , Pp 166-177 (2023)
Polytetrafluoroethylene (PTFE) was mixed with silicon carbide nanoparticles in various quantities to create thin films. Long-term UV light exposure to the PTFE films was used to study the effects of SiC NPs as a photo-stabilizer by assessing changes
Externí odkaz:
https://doaj.org/article/e441c1e2c4fe479fa654cd2e31453f93
Publikováno v:
Friction, Vol 11, Iss 7, Pp 1307-1319 (2022)
Abstract Shallow Hilbert curve patterns with easily programmable texture density were selected for laser texturing of stainless steel substrates. Two different texture path segment lengths (12 and 24 µm) and four different laser power percentages (5
Externí odkaz:
https://doaj.org/article/80945365759545b1838409b89af9403e