propagation of sound

Brand Name:Gold

Model Number:WTEM

Place of Origin:Chongqing, China

High Power Time Domain Transient Electromagnetic Sounding Equipment For Subsurface Survey Transient electromagnetic method means that a pulse of electromagnetic waves emits and propagates electromagnetic waves to the formation, and the source of the ...

Brand Name:STMICROELECTRONICS

Model Number:M74HC14RM13TR

Place of Origin:Original

... = 1.2 V (typ.) at VCC = 6 V ■ Symmetrical output impedance: |IOH| = IOL = 4 mA (min.) ■ Balanced propagation delays: tPLH ≅ tPHL ■ Wide operating voltage range: VCC (opr) = 2 to 6 V ■ Pin and function compatible with 74 series 14 ...

Brand Name:STMICROELECTRONICS

Model Number:M74HC14RM13TR

Place of Origin:Original

... = 1.2 V (typ.) at VCC = 6 V ■ Symmetrical output impedance: |IOH| = IOL = 4 mA (min.) ■ Balanced propagation delays: tPLH ≅ tPHL ■ Wide operating voltage range: VCC (opr) = 2 to 6 V ■ Pin and function compatible with 74 series 14 ...

Model Number:MLT

Place of Origin:China

... medium to the measured body surface, the reflection and then return through the medium of sound propagation to the receiver transducer to measure the ultrasonic pulse from transmitter to receiver propagation in the medium of sound propagation time.

Brand Name:DUKE

Model Number:Casting

Place of Origin:Sichuan

Transparency 4*8FT Clear Cast Acrylic Sheets Noise Barrier Fence Advantages of the sound barrier: Soundproof Barrier Panel is mainly used in the construction site, help to prevent noise propagation to the neighborhood and reduce the work area noise. It...

Brand Name:Skymen

Model Number:JP-2072T

Place of Origin:Shenzhen, China

... is simple. The sound that people hear is the acoustic signal with a frequency of 20-20000 Hz. The sound wave higher than 20000 Hz is called ultrasonic wave. The transmission of sound wave propagates longitudinally according to the sinusoidal curve,

Brand Name:BUNGE

Model Number:Series 65 mm movable partition walls

Place of Origin:China,Guangzhou

... type, partition reference plane material gypsum board, fiber board, glass magnesium board, color steel plate, sound-absorbing board, A variety of

Brand Name:QRsonic

Model Number:QR-6015-6BD

Place of Origin:China

... of reciprocating motion of the mass point of the substance near its equilibrium position. For example, after the drum surface is knocked, it vibrates up and down. This vibration state propagates through the air medium in all

Brand Name:KACISE

Model Number:KUS / KUM Series

Place of Origin:CHINA

...propagated to the measured media through communication media, through reflection and then return to the receiving transducer through the acoustic medium, the measured ultrasonic pulse propagates from the transmitter to the receiver in the acoustic medium of time. Then according to the speed of sound in the acoustic

Brand Name:RY

Model Number:RY-4G-A

Place of Origin:China

... receive electromagnetic waves from a specific direction in space. We use the analogy of communication between people. Antennas are our ears and mouths. Through our mouths, we convert sounds into sound waves and emit them. The sound waves propagate

Brand Name:JIRUI

Model Number:JZ030HD

Place of Origin:China

... a tight acoustic crystal structure. 2,Effectively weaken the propagation of sound in the structure, reduce resonance and inhibit resonance effect. 3,Used on the metal panel of the door, it can seal the hole of the door panel, improve the ...

Brand Name:OEM

Model Number:491-6057 4916057

Place of Origin:China

.../air, DHL FEDEX UPS TNT EMS Packing As request or standard packing Function Its main function is to reduce noise. By blocking the propagation of sound waves and allowing exhaust gas to pass through

Brand Name:WINEGO

Model Number:WSA-12

Place of Origin:Guangzhou,china

... strips of medium-density fiberboard (MDF), each 27 millimeters wide with a 13-millimeter gap between them. These panels are designed to absorb and capture sound waves through their

Brand Name:SEAMAN

Model Number:SM97193

Place of Origin:China

... on the main surface of the mask. Microphone is the local communication tools for the users, which can increase the sound volume and expand the sound propagation distance, especially in the noise surroundings. The PPT intercom button is the communication

Brand Name:SAMYON

Model Number:SY-F51

Place of Origin:CN

... depth tester Application: used to test crack depth and sound wave velocity in concrete according to sound wave diffraction propagation principle. It is an intelligent instrument with combined functions such as testing, saving and transiting data. Standard: ...

Brand Name:BOEN FIRE

Model Number:GPPL5000、GPPL3000

Place of Origin:CHINA

... acoustic principle, load the natural gas pipeline with a certain frequency of acoustic signals, the sound spreads along the natural gas, a part of the sound in the process of propagation reaches the ground, we use the receiver to receive the acoustic

Brand Name:Edan

Model Number:F6

...a composite device that combines the functions of a fan and a speaker. Its main function is to enhance the sound propagation distance or simulate specific environmental sound effects (such as wind and engine roar). Its core working principle is to drive

Brand Name:OURS ULTRASONIC

Model Number:ARS-DQXJ-1024

Place of Origin:China

...waves in the liquid conduction and function for cleaning. When the sound wave propagates in the cleaning liquid, because the sound wave is a kind of longitudinal wave, the role of the longitudinal wave in promoting the medium will make the pressure in the ...

Brand Name:GE

Model Number:4VC-D

Place of Origin:china

... exam time and effort for the operator Increased patient comfort Clinical validation with a marked preference for corrected images Intelligent estimation of sound propagation velocities

Brand Name:Siemens

Model Number:10132867

...ts/Assy. Knowledge point Harmonic imaging Harmonic imaging exploits non-linear propagation of ultrasound through the body tissues. When the frequency of emitted sound wave is f 0, the frequency of echo (due to reflection or scattering) includes f 0 (called