External Factors Influence on Defects Detection by Scanning Contact Potentiometry by A. I. Alwaheba, V. I. Surin

“…Scanning contact potentiometry (SCP) method was used to detect structural inhomogeneities in a welded joint under the application of heat and constant electric current. …”
Get full text

Contact Dermatitis Caused by Topical Minoxidil: Allergy or Just Irritation by Alexandra Junge, Susanne Radonjic-Hoesli, Simon Bossart, Dagmar Simon, Pierre de Viragh, Robert E. Hunger, Kristine Heidemeyer, S. Morteza Seyed Jafari

“…Most patients presented with classic signs of contact dermatitis, including erythema, pruritus, and increased scaling of the scalp. …”
Get full text

Piezoresistive Cantilever Microprobe with Integrated Actuator for Contact Resonance Imaging by Tianran Ma, Michael Fahrbach, Erwin Peiner

“…However, noise is greatly increased with the bending mode and contact force increasing on viscoelastic samples. …”
Get full text

Evolution of the Contact-Fatigue Defects Caused Rail Failure Rate by E. A. Shur, A. I. Borts, A. V. Sukhov, A. Yu. Abdurashitov, L. V. Bazanova, K. L. Zagranichek

“…There is discussed current situation and problems of rail damageability in operation. …”
Get full text

Friction in Oil-Lubricated Rolling–Sliding Contacts with Technical and High-Performance Thermoplastics by Ferdinand Schmid, Thomas Lohner, Karsten Stahl

“…Oil lubrication allows for their usage in high-power-transmission applications, such as gears. The current design guidelines for thermoplastic gears lack reliable estimates for the coefficient of friction of oil-lubricated rolling–sliding contacts. …”
Get full text

Changes in Surface Topography and Light Load Hardness in Thrust Bearings as a Reason of Tribo-Electric Loads by Simon Graf, Oliver Koch

Get full text

The analysis of carrier transport mechanism at the interface of BZOPET-GR Schottky contact by Jianhua Zhang, Yapeng Li, Jiqiang Jia, Zhaoyu Luo

“…X-ray Photoelectron Spectroscopy (XPS) analysis revealed a reduction in oxygen vacancies with increasing B ion doping. The current–voltage (I-V) characteristics of the Schottky contacts were systematically investigated over a temperature range of 160–300 K. …”
Get full text

An Investigation in the I-gate Body Contact for Partially Depleted SOI MOSFET by Arash Daghighi, Hassan Rafiei

“…The drain induced barrier lowering of the center transistor is increased by 30% and off-current 40 times than that of the first transistor. …”
Get full text

Contact of working surfaces for spherical washers and recommendations for determining the gap in the joint by Dehtiarov I. M., Neshta A. O., Samardak M. P., Antosz K., Avramenko S. E.

“…In the article was proposed to introduce into the technical requirements for the spherical washers drawings changes concerning the gap size allowable in the conjunction, and as well as tolerances value changes of the radii of the working surfaces of the washers, thus increasing their manufacturability without conflicting with the requirements of the current standards.…”
Get full text

Influence of Contact Ultrasound Assisted Vibrating Plate on the Freezing Rate of Carrot by Zhou Xinli, Teng Yun, Dai Cheng

“…Ultrasound can promote the formation of crystal nucleus, shorten the freezing time and get a higher quality freeze, but the technology is currently used for the liquid samples or immersion freezing process, and solid samples were barely taken into account. …”
Get full text

Analysis of thermal effects according to channel and drain contact metal distance by Do Gyun An, Un Hyun Lim, Young Suh Song, Hyunwoo Kim, Jang Hyun Kim

Get full text

Mechanism of wellbore instability considering tubular-string contact with the wellbore wall by Yuting Zhou, Hui Zhang, Yanxian Wu, Xingyu Li, Chuanming Xi, Kunhong Lv, Hao Zhang, Xinrui Wang

“…Tubular strings in the wellbore are highly prone to wellbore wall contact. However, most current studies on wellbore instability neglect the contact interaction between tubular strings and the wellbore during drilling, wiper tripping, and casing running operations. …”
Get full text

THE RELIABILITY OF DETERMINING THE SHORT CIRCUIT ZONE OF THE LINES OF 6–35 kV by F. А. Romaniuk, E. V. Buloichyk, O. A. Huryanchyk, V. S. Kachenya

“…A method of increasing the reliability of determining the zone of short-circuit at the current step protection of the lines of 6–35 kV with unilateral power, aimed at improvement of their technical perfection, is presented in the paper. …”
Get full text

Dissolved organic carbon and microplastics decrease the biodiversity effect on resource use efficiency of crustacean zooplankton by Yongchao Peng, Ninghui Xu, Haojie Su, Qingyang Rao, Chaoyue Cheng, Jun Chen, Xinli Wen, Ping Xie

Get full text

Influence of white etching layer on rolling contact behavior at wheel-rail interface by Qinglin Lian, Guanyu Deng, Hongtao Zhu, Huijun Li, Xi Wang, Zhiming Liu

“…Stress changes along the rail depth matched with the previously reported microstructure evolutions. The current work revealed that the maximum difference in contact stress between the wheel passages of rail matrix and the WEL region (noted as stress variation) rises with the increase of loading pressure, the value of a/b, and Sr; but drops with the friction coefficient (μ). …”
Get full text

Investigation into the Prediction of the Service Life of the Electrical Contacting of a Wheel Hub Drive by Markus Hempel, Niklas Umland, Matthias Busse

“…As a result, it can be stated that the increase in electrical resistance of the present contact at load temperatures of 120 °C, 150 °C, and 180 °C does not reach a critical value. …”
Get full text

Contact Resistance between Calcareous Sand and Electrodes Based on the Two-Electrode Method by Weikang Wan, Heying Hou, Tianxiang Li, Binghui Wang, Pengming Jiang, Aizhao Zhou

“…The results show that the larger the particle size and relative density are, the greater the contact resistance. The contact resistance decreases with an increasing current frequency, and the decreasing amplitude decreases with an increasing saturation. …”
Get full text

Influence of aerodynamic parameters of current collector on current collection at movement speeds up to 160 km/h by N. V. Mironos, M. N. Emel’yanova, D. V. Tartynskiy

“…This article investigates the influence of the aerodynamic parameters of the current collector on the contact force. For this purpose, the influence in the speed range up to 160 km/h on the quality of the current collection, in particular on the increased wear of the current collector contact strips, was determined.Materials and methods. …”
Get full text

Experience of Using Scleral Contact Lenses in Keratoconus in Combination with Dry Eye Syndrome by A. Yu. Slonimsky, V. V. Averich

Get full text

Spatio-temporal forecasting of COVID-19 cases in the Netherlands for source and contact tracing by Max Keuken, Jizzo R. Bosdriesz, Anders Boyd, Elisabeth M. den Boogert, Ivo K. Joore, Nicole H.T.M. Dukers – Muijrers, Gini van Rijckevorsel, Hannelore M. Götz, Irene E. Goverse, Mariska W.F. Petrignani, Stijn F.H. Raven, Susan van den Hof, Kirsten V.C. Wevers-de Boer, Maarten F. Schim van der Loeff, Amy Matser

“…Source and contact tracing (SCT) is a core public health measure that is used to contain the spread of infectious diseases. …”
Get full text