Nuts, bolts, screws, and washers
This chapter starts with tips on drawing hexagon nuts and hex bolts and comprehensively covers, using illustrations, tables of size and explanations on usage, the majority of metric fixings and fasteners used in…
Useful Refrigerator Parts and Accessories
Go to the grocery store. Pay the bills. Make dinner. Pack lunch. As you busily go about your day and check things off your to-do list, you probably give little thought to your . But maybe you should. With…
How It Works: Gate Valves
All valves are designed to stop, allow, or throttle the flow of a process fluid. Gate valves—one of the original valve designs—are ideally suited for on-off, primarily liquid, service. A gate valve functions by lifting a…
Impacts of food contact chemicals on human health
Research on Chemical Intermediates publishes current research articles and concise dynamic reviews on the properties, structures and reactivities of intermediate species in all the various domains of…
What Do We Know So Far on Hair Straightening?
Hair represents a valued aspect of human individuality. The possibility of having an easy to handle hairstyle and changing it from time to time promoted an increasing search for chemical hair…
Why you shouldn’t wear slippers while you’re working from home
Having a presentable set of pajamas to hang around in is key—so why should your slipper game be any different? One of the biggest accessory trends of the spring 2021 season was the…
Understanding the role of inductors in power electronics
Inductors are typically used as energy storage devices in switched-mode power devices to produce DC current. The inductor, which stores energy, supplies energy to the circuit to maintain…
4 Differences between Vertical Sand Mill and Horizontal Sand Mill
The sand mill machine is currently the most widely adaptable, most advanced, and most efficient grinding equipment. The grinding cavity is the narrowest, the gap between the levers…
The chemistry of cosmetics
Cosmetics are not a modern invention. Humans have used various substances to alter their appearance or accentuate their features for at least 10,000 years, and possibly a lot longer.
Women in Ancient Egypt used…