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Silicon carbide, also known as SiC, is a semiconductor base material that consists of pure silicon and pure carbon. You can dope SiC with nitrogen or phosphorus to form an n-type semiconductor or dope it with beryllium, boron, aluminum, or gallium to form a p-type semiconductor. While many varieties and purities of silicon carbide exist,…[Leggi tutto]

Most X-ray devices are used for medical diagnosis, but for certain procedures the units can be both diagnostic and interventional. Among these belong mobile C-arms and cath lab system.

We have written about the use of mobile C-arm machines, but what procedures are done in a cath lab, and when would you use a cath lab rather than a mobile…[Leggi tutto]

Mushrooms are the reproductive structures produced by some fungi. A mushroom, or toadstool, is the fleshy, spore-bearing, fruiting body of a fungus. In a way, mushrooms are like the fruit of a plant. Instead of producing seeds, the mushroom fungus releases millions of microscopic spores that form underneath the mushroom’s cap.

Mushrooms grow i…[Leggi tutto]

Internal combustion engines provide outstanding drivability and durability, with more than 250 million highway transportation vehicles in the United States relying on them. Along with gasoline or diesel, they can also utilize renewable or alternative fuels (e.g., natural gas, propane, biodiesel, or ethanol). They can also be combined with hybrid…[Leggi tutto]

We know glass is 100% recyclable, but why is it better for storing food and choosing in the supermarket? We take a look.

Have you ever wondered what the best type of container is for recycling and reducing your plastic waste?

Ever stood in the supermarket trying to decide what kind of container to buy something in? Glass, tin or…[Leggi tutto]

Forward Curved Motorised Impeller

When we have defined the volume flow rate that we require, whether this is to provide fresh air or process cooling, we need to combine this with the resistance to flow that the fan will encounter in the application. The volume flow rate, (in m3/hr) and the pressure (in Pascals – Pa), are combined to become the…[Leggi tutto]

You can start by disregarding thread count. Here’s what else the pros know that you may not.

If you want your bedroom to serve as a refuge from daily stress, one piece of furniture is more important than all the rest: the bed.

But you need to do more than just choose a good mattress and bed frame. How you dress the bed — whether you create a p…[Leggi tutto]

To build a pond, landfill, dam, or lake, and so on, the first thing is to choose the waterproof impermeable liner. But, there are many kinds of flexible liners — often called “geomembranes”. Your liner should stay stable under the hottest and coldest temperatures your area may experience, and it should not be damaged, punctured, or torn as the o…[Leggi tutto]

Which are the most common types of flanges used in piping? How do they look like? The key types of flanges are the welding neck, long welding neck, slip-on flanges, socket weld, lap joint, threaded and blind flanges. In addition to these standard flanges, some special ones exist, called Weldoflange/Nipoflange and Elboflange, swivel flange,…[Leggi tutto]

Wire rope is an extremely versatile mechanical device that can be used to help support and move an object or load. Whether for use on cranes or for other lifting applications, it’s important to have a solid understanding of the rigging components that are being used to attach to and lift a load.

As a rigger or end-user of wire rope, it’s nec…[Leggi tutto]