han254425
@han254425
attivo 2 anni, 11 mesi fa-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
Honeycomb ceramic is a new type of ceramic product with a honeycomb-like structure. It is widely used in chemical, electric power, metallurgy, petroleum, electronic appliances, machinery and other industries from the earliest use in small automobile exhaust purification, and it is becoming more and more extensive, and its development prospects are…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
High-Definition Multimedia Interface (HDMI) is a proprietary audio/video interface for transmitting uncompressed video data and compressed or uncompressed digital audio data from an HDMI-compliant source device, such as a display controller, to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus, stomach, and intestines. Food taken in through the mouth is…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around 450 °C ( 842 °F). When exposed to the atmosphere, the pure zinc (Zn) reacts with oxygen (O2) to form zinc oxide (…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
In automatic control, a regulator is a device which has the function of maintaining a designated characteristic. It performs the activity of managing or maintaining a range of values in a machine. The measurable property of a device is managed closely by specified conditions or an advance set value; or it can be a variable according to a…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
A T shirt, or tee shirt, is a style of fabric shirt named after the T shape of its body and sleeves. Traditionally, it has short sleeves and a round neckline, known as a crew neck, which lacks a collar. T-shirts are generally made of a stretchy, light, and inexpensive fabric and are easy to clean. The T-shirt evolved from undergarments used in the…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
The slewing drive is a gearbox that can safely hold radial and axial loads, as well as transmit a torque for rotating. The rotation can be in a single axis, or in multiple axes together. Slewing drives are made by manufacturing gearing, bearings, seals , housing, motor and other auxiliary components and assembling them into a finished gearbox.…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
modern medical research, the spine of the human body is a straight line when viewed from the front, but a curve with four physiological curves when viewed from the side. In order to protect the normal physiological curvature of the neck and maintain normal physiological activities during sleep, pillows must be used when sleeping. Pillows generally…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
Tufting is a type of textile manufacturing in which a thread is inserted on a primary base. It is an ancient technique for making warm garments, especially mittens. After the knitting is done, short U-shaped loops of extra yarn are introduced through the fabric from the outside so that their ends point inwards (e.g., towards the hand inside the…[Leggi tutto]
-
han254425 ha inviato un aggiornamento 2 anni, 11 mesi fa
Solder is a fusible metal alloy used to create a permanent bond between metal workpieces. Solder is melted in order to wet the parts of the joint, where it adheres to and connects the pieces after cooling. Metals or alloys suitable for use as solder should have a lower melting point than the pieces to be joined. The solder should also be resistant…[Leggi tutto]
-
han254425 è diventato un membro registrato 2 anni, 11 mesi fa