Showing 8,261 - 8,280 results of 8,579 for search '"lubricant"', query time: 0.12s Refine Results
  1. 8261

    Microstructure, Mechanical and Tribological Properties of Advanced Layered WN/MeN (Me = Zr, Cr, Mo, Nb) Nanocomposite Coatings by Kateryna Smyrnova, Martin Sahul, Marián Haršáni, Alexander Pogrebnjak, Volodymyr Ivashchenko, Vyacheslav Beresnev, Vyacheslav Stolbovoy, Ľubomír Čaplovič, Mária Čaplovičová, Ľubomír Vančo, Martin Kusý, Alexey Kassymbaev, Leonid Satrapinskyy, Dominik Flock

    Published 2022-01-01
    “…Due to the increased demands for drilling and cutting tools working at extreme machining conditions, protective coatings are extensively utilized to prolong the tool life and eliminate the need for lubricants. The present work reports on the effect of a second MeN (Me = Zr, Cr, Mo, Nb) layer in WN-based nanocomposite multilayers on microstructure, phase composition, and mechanical and tribological properties. …”
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  2. 8262

    Experimental assessment of performance, emission and lube oil deterioration using gasoline and LPG for a sustainable environment by Muhammad Usman, Muhammad Ali Ijaz Malik, Qasim Ali Ranjha, Waseem Arif, Muhammad Kashif Jamil, Sajjad Miran, Saad Siddiqui

    Published 2023-09-01
    “…However, rare efforts have been made to evaluate fuel efficiency by assessing the damage imparted to lubricating oil. This existing gap has been filled by a thorough assessment of performance, manifold emissions, and the wearing of lube oil using gasoline and LPG in spark ignition (SI) engines. …”
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  3. 8263

    Towards Sustainable Grinding of Difficult-to-Cut Alloys—A Holistic Review and Trends by Ning Qian, Jiajia Chen, Aqib Mashood Khan, Biao Zhao, Yurong Chen, Wenfeng Ding, Yucan Fu, Jiuhua Xu

    Published 2024-03-01
    “…Additionally, the exploration delves into innovative sustainable technologies, such as heat pipe/oscillating heat pipe grinding wheels, minimum quantity lubrication, cryogenic cooling, and others. These groundbreaking technologies aim to reduce dependence on hazardous coolants, minimizing energy and resource consumption and carbon emissions associated with coolant-related or subsequent disposal processes. …”
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  4. 8264
  5. 8265

    Research progress and development tendency of polymer drilling fluid technology for unconventional gas drilling by Yinbo He, Yinbo He, Guancheng Jiang, Guancheng Jiang, Guancheng Jiang, Tengfei Dong, Tengfei Dong, Guoshuai Wang, Guoshuai Wang, Jing He, Jing He, Huanjun Dou, Huanjun Dou, Mingliang Du, Mingliang Du

    Published 2023-01-01
    “…This paper first reviews the research progress of PDF technology according to the timeline by introducing the composition, feature, advantages, and disadvantages of some representative polymer additives and PDF systems, emphatically the function and mechanism of stabilizing wellbores, lubricating drilling tools, and protecting reservoirs of the biomimetic wellbore-strengthening PDF and amphiphobic high-efficiency PDF in unconventional gas drilling. …”
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  6. 8266

    Sexual dysfunctions in psoriatic patients by Julia Nowowiejska, Agata Karny, Miłosz Nesterowicz, Piotr Purpurowicz, Anna Baran, Tomasz W. Kaminski, Zbigniew Purpurowicz, Iwona Flisiak

    Published 2024-04-01
    “…Female patients treated with systemic antipsoriatic agents had significantly worse lubrication, satisfaction with sexual life, and pain.DiscussionOur study has shown that the majority of questioned female psoriatic patients had sexual dysfunction according to FSFI, particularly they had worse satisfaction with sexual life and less sexual desire compared to women without psoriasis. …”
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  7. 8267

    Preparation of a Ni-P-nanoPTFE Composite Coating on the Surface of GCr15 Steel for Spinning Rings via a Defoamer and Transition Layer and Its Wear and Corrosion Resistance by Shunqi Mei, Cong Zhou, Zekui Hu, Zhi Xiao, Quan Zheng, Xuhui Chai

    Published 2023-06-01
    “…The friction and wear study shows that the nano-PTFE particles with low dynamic friction coefficient are mixed in the grinding chip, which gives the composite coating self-lubricating characteristics, and the friction coefficient decreases to 0.3 compared with 0.4 of Ni-P coating. …”
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  8. 8268

    Sexual dysfunction in women with type 2 diabetes mellitus: A single-centre cross-sectional study from Bangladesh by A. B. M. Kamrul-Hasan, Muhammad Shah Alam, Nusrat Zarin, Fatema Tuz Zahura Aalpona, Marufa Mustari, Farhana Akter, Nadia Jannat, Umme Azad, Palash Kumar Chanda, Abdur Rafi, Mohammad Jahid Hasan, Shahjada Selim

    Published 2023-06-01
    “…Patients with T2DM scored significantly lower in the domains of desire (p = 0.04), lubrication (p = 0.01), orgasm (p = 0.01), and satisfaction (p < 0.001), but not the domain of arousal (p = 0.09). …”
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  9. 8269

    Advances in Integrated Vehicle Thermal Management and Numerical Simulation by Yan Wang, Qing Gao, Tianshi Zhang, Guohua Wang, Zhipeng Jiang, Yunxia Li

    Published 2017-10-01
    “…Regarding the internal combustion engine vehicle (ICEV), its integrated thermal management (ITM) mainly contains internal combustion engine (ICE) cooling, turbo-charged cooling, exhaust gas recirculation (EGR) cooling, lubrication cooling and air conditioning (AC) or heat pump (HP). …”
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  10. 8270

    The Process Parameters of Micro Particle Bombarding (MPB) for Surface Integrity Enhancement of Cermet Material and Tool Steel by Fu-Chuan Hsu, Li-Jie Chen, Zong-Rong Liu, Hsiu-An Tsai, Chin-Hao Lin, Wei-Yu Chen, Hwa-Teng Lee, Tsung-Jen Cheng

    Published 2023-03-01
    “…In order to increase the performance of tool or mold/die, there are a lot of micro features on the surface to provide special functions, such as anti-adhesion or lubrication. The MPB (Micro Particle Bombarding) process provides a powerful technology to enhance the surface quality without damaging the micro features. …”
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  11. 8271

    Removal of heavy oil from contaminated surfaces with a detergent formulation containing biosurfactants produced by Pseudomonas spp. by Charles Bronzo B. Farias, Rita de Cássia F. Soares da Silva, Fabíola Carolina G. Almeida, Valdemir A. Santos, Leonie A. Sarubbo

    Published 2021-11-01
    “…Industrial plants powered by heavy oil routinely experience problems with leaks in different parts of the system, such as during oil transport, the lubrication of equipment and mechanical failures. The surfactants, degreasing agents and solvents that make up detergents commonly used for cleaning grease-covered surfaces are synthetic, non-biodegradable and toxic, posing risks to the environment as well as the health of workers involved in the cleaning process. …”
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  12. 8272

    Assessment of sexual dysfunction and its related factors in pregnant women referred to Mashhad health centers (2017-2018) by Salmeh Dadgar, Fatemeh Zahra Karimi, Mohadese Bakhshi, Mahbubeh Abdollahi, Fatemeh Rahimzadeh Borj

    Published 2018-10-01
    “…Mean scores of sexual desire was 3.95 ± 0.98, Arousal 4.15 ± 1.19, Lubrication 4.64 ± 1.25, orgasm 3.53 ± 1.34, sexual satisfaction 4.89 ± 1.10 and painful intercourse 4.31 ± 1.36, and the most common sexual dysfunction were decreased sexual desire (46.5%) and Arousal (43.6%). …”
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  13. 8273

    Thermodynamic analysis of integrated ammonia fuel cells system for maritime application by Phan Anh Duong, Bo Rim Ryu, Hyunyong Lee, Hokeun Kang

    Published 2023-11-01
    “…Moreover, the waste heat boiler is capable of providing 1081 kg/h of superheated steam at 162 °C and 405 kPa to fulfill the heating requirements of marine lubricating oil, devices, and accommodation for seafarers on board the ship.…”
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  14. 8274

    Preparation and Characterisation of Sustainable Wood Plastic Composites Extracted from Municipal Solid Waste by Shahnaz Shahani, Zhongquan Gao, Mumtaz A. Qaisrani, Naveed Ahmed, Haseeb Yaqoob, Fuad Khoshnaw, Farooq Sher

    Published 2021-10-01
    “…This study aims to recycle plastic waste by manufacturing wood-plastic composites and to improve its mechanical properties by using additives, coupling agents, and lubricants. These composites are prepared by mixing 40–70% of wood flour with 20–25% of a polymer matrix. …”
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  15. 8275

    CFD-Based Flow Channel Optimization and Performance Prediction for a Conical Axial Maglev Blood Pump by Weibo Yang, Sijie Peng, Weihu Xiao, Yefa Hu, Huachun Wu, Ming Li

    Published 2022-02-01
    “…By contrast, the implantable axial flow, maglev blood pump has the characteristics of no mechanical contact, no lubrication, low temperature rise, low hemolysis, and less thrombosis. …”
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  16. 8276

    Wettability of Metal Surfaces Affected by Paint Layer Covering by Stanislaw Pogorzelski, Katarzyna Boniewicz-Szmyt, Maciej Grzegorczyk, Pawel Rochowski

    Published 2022-02-01
    “…The CAH methodology based on the three measurable quantities, Θ<sub>A</sub>, Θ<sub>R</sub>, and liquid surface tension, γ<sub>LV</sub>, can be a useful tool in surface-mediated process studies, such as lubrication, liquid coating, and thermoflow.…”
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  17. 8277

    Experimental and Numerical Analysis on Two-Phase Induced Low-Speed Pre-Ignition by Norbert Zöbinger, Thorsten Schweizer, Thomas Lauer, Heiko Kubach, Thomas Koch

    Published 2021-08-01
    “…Therefore, the present work investigates the possibility of oil droplet-induced pre-ignitions using a modern downsized engine with minimally invasive endoscopic optical accessibility incorporating in-cylinder lubrication oil detection via light-induced fluorescence. …”
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  18. 8278

    The proportional Caputo operator approach to the thermal transport of Jeffery tri-hybrid nanofluid in a rotating frame with thermal radiation by Muhammad Arif, Poom Kumam, Wiboonsak Watthayu, Luca Di Persio

    Published 2023-08-01
    “…During the analysis we dispersing the mixture of nanoparticles in engine oil base fluid enhanced the heat transfer up-to18.72% which can efficiently improve the lubricity of the engine oil.…”
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  19. 8279
  20. 8280

    Hyaluronic Acid: A Valid Therapeutic Option for Early Management of Genitourinary Syndrome of Menopause in Cancer Survivors? by Rossella E. Nappi, Silvia Martella, Francesca Albani, Chiara Cassani, Ellis Martini, Fabio Landoni

    Published 2022-08-01
    “…Its strong water-binding properties provide lubricating and moisturizing effects, which contribute to maintaining a proper level of hydration and viscoelasticity in several body parts, including the urinary tract and genital tissues. …”
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