It does this by taking power from a power supply and increasing the output to match the (relatively low-power) input signal. This process invariably introduces some noise and distortion into the signal; and the process cannot be 100% efficient at increasing the gain without loss — amplifiers inherently will lose some energy in the form of heat. The ideal amplifier can be described as "a straight wire with gain," as the output would be identical to the input, just greater.
http://www.misuxin-en.com/ampl....ifier/comparators-am

Gastroenterology involves the overall understanding of the normal gastrointestinal organs action. Gastroenterologists have to understand motility - the movement of material through the stomach and intestine, the digestion and absorption of nutrients and the function of the liver.


There are many other diagnosis instruments used for medicine such as EMR and esd instruments, urology instruments equipped with endoscopic equipments like hemostasis clip, endoscopic accessories and so on.
http://www.mednovahz.com/gastr....oenterology-instrume

Reducer is a pipe fitting component which reduces the flow size from larger to smaller by reducing size of pipe. Usually there are two types of reducers are available. One is concentric reducer which is like cone shaped with gradual decreasing around the pipe but in this case accumulation of air may possible and it results in cavitation. Other one is eccentric reducer which is having one edge parallel to connecting pipe due to which air accumulation is not possible.
http://www.ifansolution.com/pp....r-pipe-and-fitting/p

Plumbers often use PEX in home plumbing systems thanks to its many advantages. This type of plastic water pipe is useful for both hot and cold water applications, and is the favorite pipe found carrying freshwater in kitchens and bathrooms. PEX is very flexible, so it fits into most spaces and is inexpensive and easy to work with. It comes in different colors, making it easy for plumbers to identify hot and cold lines for future work. They do need to have support, however, because of their flexibility.
http://www.ifanplast.com/plastic-pipe/pex-pipe/

Wear Pipelines Layer is a seamless steel pipe, and the inner layer is alumina ceramics. Ceramic liner layer hardness is up HV1100-1400, which is equivalent to tungsten carbide cobalt. The wear resistance performance is 20 times higher than carbon steel tubes. Alumina Ceramic Sheet Wear-resistant Tube can resist industrial wear problem mainly by a few millimeters thick corundum inner layer, which is much better than alloy steel pipe and cast tube resisting by both composition,organization and thickness.
http://www.hznmpipeline.com/al....umina-ceramic-sheet-

Many of the hoses in your vehicle, like your radiator hoses which carry coolant to keep your engine at the proper operating temperature, are made of rubber. Overtime, these hoses will crack and can cause leaks. It's important to get these components replaced when excessive cracking occurs, to keep from costly engine repairs. Other hoses in your vehicle connect to fuel lines, air conditioning, power steering and your braking system.
http://www.goodwillrubber.net/....automotive-rubber-pa

Fire doors are commonly designed to include a closing mechanism. Usually fitted at the top of a door, these spring-loaded or hydraulic mechanisms force the door closed, preventing fire and smoke from passing from one area to another.


Just like fire doors, many Security Doors and Hospital Doors are also uses Wooden Doors or even Steel Doors to ensure better security.
http://www.firedoorfactory.com/hospital-door/

Since the design of these conveyors is simplistic, many advancements have been made to allow roller conveyors to keep up with industry trends. The biggest innovation is the drive or live roller conveyor, where each roller is connected to a motor via a belt/chain/shaft to increase controllability. This equalizes the rate with which materials move down the pathway, and also allows these conveyors to have limited use in reverse, i.e.
http://www.wxhq-group.com/roller-conveyor/

Another popular knitting machine is Shoes Upper Knitting Machine, which is mainly circular knitting machine. Compared to warp knitting machines, circular knitting machines create shoe upper material that offers better breathability, more design possibilities and less waste. Even when used for more casual physical activity, athletic shoes must be designed in a way that keeps feet cool and dry. Because of this, the vast majority of shoe upper material is made using spacer fabric.
http://www.tckjknittingmachine.....com/shoes-upper-kni

There are various methods and technologies to store various forms of energy. The choice of energy storage technology is typically dictated by application, economics, integration within the system, and the availability of resources. And they are often used as Residential Energy Storage System or Commercial Energy Storage System for Outdoor Power Supply.


Energy storage systems are also involved in converting energy from forms that are difficult to store to forms that are more convenient or economical.
http://www.suntrver.com/reside....ntial-energy-storage