Results 21 to 30 of about 7,014 (215)

Surface Roughness Effects under High Sliding EHL Conditions

Tribology Online, 2016
This paper is focused on the roughness induced effects in EHL contact under high sliding conditions when thermal effects can be expected. High sliding conditions include both the case when both surfaces are moving in the same direction and that when they
Petr Sperka, Ivan Krupka, Martin Hartl
doaj   +1 more source

EHL Oil Film Behavior of Thermo-Reversible Gel-Lubricants

Tribology Online, 2008
This study investigates about the characteristic of the thermo-reversible gel-lubricant (TR Gel-Lube) under elastohydrodynamic lubrication (EHL) conditions. TR Gel-Lube is the lubricant, which consists of base fluid and a gel agent.
Daisuke Tominaga, Sobahan Mia, Shigeki Morita, Nobuyoshi Ohno, Yuji Shitara   +4 more
doaj   +1 more source

Ömer b. Abdülazîz’in Ehl-i beyt ve Taraftarlarıyla İlişkileri

İslam Medeniyeti Araştırmaları Dergisi, 2022
İslâm toplumunun en etkili ve nüfuzlu iki gücü olan Emevîler’le Hâşimîler, Hz. Osman’ın şehit edilmesi, Muâviye’nin Hz. Ali’ye biatı reddetmesi, Sıffîn savaşı gibi zihinlerde derin izler bırakan olaylardan sonra iktidar mücadelesinde birbirlerini rakip ...
Kasım Koç
doaj   +1 more source

Integrating the Decision-Making Process in the Work- Family Field: An Action-Based Approach

Revista Empresa y Humanismo, 2023
The aim of this article is to integrate the decision-making process in the work-family field using an action-based approach. Drawing from the theory of Pérez López, we develop a conceptual framework as a way of understanding the internal decision-making
Nuria Chinchilla, Marc Grau-Grau, Sowon Kim   +2 more
doaj   +1 more source

İbn Teymiyye’nin Sünnet Anlayışı ve Çizdiği Ehl-i Sünnet Profili

Marife Dini Araştırmalar Dergisi, 2008
"Sünnet" ve "Ehl-i Sünnet" konuları üzerinde İslâmî ilimler alanında pek fazla araştırma ve inceleme yapılmış ve sayısız eserler yazılmıştır. Bunların içinde en önemli olanlarından biri, şüphesiz ki, İbn Teymiyye’nin ortaya koyduğu anlayıştır.
Muhammed Yazıcı
doaj   +1 more source

Early cholangioscopy-assisted electrohydraulic lithotripsy in difficult biliary stones is cost-effective

Therapeutic Advances in Gastroenterology, 2021
Background and Aims: Single-operator cholangioscopy-assisted electrohydraulic lithotripsy (SOC-EHL) is effective and safe in difficult choledocholithiasis. The optimal timing of SOC-EHL use, however, in refractory stones has not been elucidated.
Saad Alrajhi, Alan Barkun, Viviane Adam, Kashi Callichurn, Myriam Martel, Olaya Brewer, Mouen A. Khashab, Nauzer Forbes, Majid A. Almadi, Yen-I Chen   +9 more
doaj   +1 more source

Numerical Study of the Effect of Lip Surface Roughness on Lubrication of Radial Shaft Seals with a Simple Sinusoidal Model

Tribology Online, 2013
The effect of lip surface microtopography on lubrication of radial shaft seals is studied numerically. Numerical analysis of hydrodynamic flow at the lip is conducted with a simple sinusoidal wave as a lip surface asperity model.
Hirotaka Mizuta, Joichi Sugimura
doaj   +1 more source

Interface‐Engineered Graphene‐Coated Titanium Dioxide Nanoparticles for High‐Performance Grease Lubrication

Advanced Materials Interfaces, EarlyView.
Graphene‐coated TiO2 core–shell nanoparticles are introduced as multifunctional additives for lithium grease, yielding an 85.7% reduction in wear rate, a 22% decrease in operating temperature, and improved film retention under mixed lubrication.
Ethan Stefan‐Henningsen, Amirkianoosh Kiani   +1 more
wiley   +1 more source

Effect of Formulation of Li Greases on Their Flow and Ball Bearing Torque

Tribology Online, 2016
This paper describes a study on the effect of base oil type and thickener type on bearing torques with Li type greases. Using a ball bearing tribometer equipped with a torque sensor, friction torque behaviors were determined for model Li greases with ...
Kazumi Sakai, Yasuha Tokumo, Yusuke Ayame, Yuji Shitara, Hiroyoshi Tanaka, Joichi Sugimura   +5 more
doaj   +1 more source

Comparative Outcomes of Endoscopic Treatment for Symptomatic and Asymptomatic Common Bile Duct Stones in the Elderly: A Propensity Score‐Based Cohort Analysis

Journal of Hepato-Biliary-Pancreatic Sciences, EarlyView.
ABSTRACT Introduction Various guidelines recommend endoscopic stone removal for asymptomatic common bile duct stones (CBDS); however, previous studies have indicated that asymptomatic CBDS is associated with a higher incidence of post‐ERCP pancreatitis (PEP).
Kota Shimojo, Akinori Maruta, Keisuke Iwata, Yuhei Iwasa, Mitsuru Okuno, Kensaku Yoshida, Shinya Uemura, Tsuyoshi Mukai, Takuji Iwashita, Masahito Shimizu   +9 more
wiley   +1 more source