Tribology is the study of friction, lubrication, and wear of surfaces in relative motion. It plays a crucial role in various industrial applications, with economic significance and implications on failure rates in engineering systems. The discipline focuses on surface interactions, forces transmissi

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The digestive system functions to break down food into absorbable forms through processes like ingestion, propulsion, digestion, absorption, and elimination. Specific organs and enzymes play key roles in these processes, ultimately providing nutrients for the synthesis of body constituents and energ

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The male reproductive system facilitates spermatogenesis, hormone production, and the physiological processes essential for ejaculation and erection. Sperm cells mature in the epididymis before passing through the vas deferens to reach the seminal vesicle, where they are nourished with nutrient-rich

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Sliding bearings and anti-friction bearings in machinery often experience wear, fatigue, and various damages due to factors like lubrication, alignment, and applied loads. The process of wear is influenced by wear velocity, operation conditions, and foreign substances, leading to overheating and cha

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Understanding the initial considerations for gear reducer repair and rebuild is crucial before diving into the teardown and inspection process. From identifying gearbox variations to assessing the cause of failures related to lubrication, this guide covers essential aspects such as cost analysis for

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Understanding the importance of proper lubrication and sealing systems is crucial for the efficient operation of tunnel boring machines. This module covers the use of various greases and gear oils to protect critical components such as tail seals and main bearings. Failure in maintaining these syste

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Journal bearings play a crucial role in mechanical design by utilizing lubrication to minimize friction and wear between rubbing surfaces. This article explores the concept of lubrication, the wedge effect in journal bearings, methods to create a viscous layer, and the parameters affecting generated

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Lubricants are substances introduced between moving surfaces to reduce friction, heat generation, and wear and tear of machine parts. They act as thermal barriers, coolants, seals, and corrosion inhibitors. Good lubricating oils have high boiling points, adequate viscosity, and non-corrosive propert

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This content delves into the secretory functions of the alimentary tract, focusing on the secretion of saliva and the role of mastication. It covers the anatomy of salivary glands, composition of saliva, control of secretion by the nervous system, and the functions of saliva in lubrication, protecti

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The peritoneum, a vital membrane in the body's abdominal cavity, consists of visceral and parietal components with distinct pain perceptions. It plays crucial roles in lubrication, fluid absorption, immune responses, and more. Peritoneal inflammatory exudate can result from various causes such as ba

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In the field of pharmaceutics, ointments play a crucial role as semisolid dosage forms for topical application. They serve as vehicles for medicinal substances, offering protective and emollient functions. Ointments are composed of ointment bases, which can be medicated or non-medicated, providing d

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Sliding bearings and anti-friction bearings are prone to damages such as wear, fatigue, and misalignment. Effective maintenance strategies include checking lubrication, shaft deformation, and overall system alignment. Recognition of common defects and implementing preventative measures like knurling

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