Abstract: This paper presents a novel data-driven approach to detecting broken reciprocating compressor valves that is based on the idea that a broken valve will affect the shape of the ...

Your heart is an amazing organ. It continuously pumps oxygen and nutrient-rich blood throughout your body to sustain life. This fist-sized powerhouse beats (expands and contracts) 100,000 times per ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...

The four valves of the heart allow blood to flow through the heart in the right direction. The valves open or close each time the heart beats. Problems with the heart valves can lead to palpitations, ...

A budget focussed DIY valve/tube headphone amplifier that is so simple it can be easily wired without a PCB. This repository contains circuit schematics/diagrams for a variety of compatible ...

Inorganic materials harboring patterns of nanoscale pores are important for many applications including catalysis, sensing, and optoelectronics. However, methods for their eco-friendly technological ...

As blood donor numbers decrease, while demand for platelets increases, hospitals worldwide are becoming increasingly vulnerable to critical platelet shortages. Alternative methods of supplying ...

Three smooth dogfish sharks (Mustelus canis). These sharks have a spiral-shaped intestine that allows them to digest food more slowly and with less energy.Elizabeth Roberts/Wikimedia Commons For ...