Now showing items 21-30 of 55
Light Diffraction by Ultrasonic Waves
In this paper, diffraction of light by ultrasonic waves is examined. The equation for the wavelength of sound in water is derived and the Raman and Nath equations for the intensity distribution due to 1) pure progressive ...
Laser Induced Evaporation of Carbon for Mass Spectroscopic Study
This paper will present a study of the problems encountered when focused ruby laser radiation 1s employed as a vaporizing agent to produce metallic vapor for mass spectroscopic analysis.
The Current-Voltage Characteristic of a Nickel to N-Type Silicon Junction
Contacts between metals and semiconductors have been under investigation for many years because of the value of their asymmetric conduction properties in producing rectification. F. Braun was one of the earliest ...
Propagation of Low Amplitude Shock Waves in a Tube
Essentially, a shock tube consists of a long, rigid pipe which is divided into two sections: an air-tight driver, or compression section, and a long expansion section. The two lengths are separated by a thin diaphragm, ...
That Is a Mass Spectrometer?
Mass spectrosoopes are instruments used to determine masses of charged particles. These instruments are used for such things as determination of the chemical composition of compounds and accurate measurement of isotopic ...
A Study of the Shape of Low Amplitude Shock Waves in a Shock Tube
A simple form of the shock tube consists of two pieces of tubing separated by a thin air-tight diaphragm. After a pressure difference is created across the diaphragm, it is ruptured. The resulting rush of air from the ...
Relative Gama-Ray Intensity Measurements Using a Lithium-Drifted Germanium Detector
This method is as accurate as any other now existing. N can be determined to within 2% with good statistics and reasonable care. One limit is the memory size of the multichannel analyzer. The greater the capacity of ...