positive-ray analysis

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• positive rays — plural noun Canal rays, a stream of positively electrified particles towards the cathode of a vacuum tube (positive ray analysis the detection of gases, and determination of their molecular weights, by measuring the parabolas produced on a… …   Useful english dictionary

• Ray transfer matrix analysis — (also known as ABCD matrix analysis) is a type of ray tracing technique used in the design of some optical systems, particularly lasers. It involves the construction of a ray transfer matrix which describes the optical system; tracing of a light… …   Wikipedia

• analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

• X-ray photoelectron spectrometry — Spectrométrie de fluorescence X Pour les articles homonymes, voir SFX, FX et XRF. Un spectromètre de fluorescence X Philips PW1606 avec manutention automatiq …   Wikipédia en Français

• surface analysis — ▪ chemistry Introduction       in analytical chemistry (chemistry), the study of that part of a solid that is in contact with a gas or a vacuum. When two phases of matter are in contact, they form an interface. The term surface is usually… …   Universalium

• Modal analysis using FEM — The goal of modal analysis in structural mechanics is to determine the natural mode shapes and frequencies of an object or structure during free vibration. It is common to use the finite element method (FEM) to perform this analysis because, like …   Wikipedia

• Oxford Capacity Analysis — This article is about the Church of Scientology personality test. For other uses, see Oxford (disambiguation). Sign advertising Scientology personality tests. San Francisco, April 2006. The Oxford Capacity Analysis (OCA), also known as the… …   Wikipedia

• Imagery analysis — is the extraction of useful information from bi dimensional graphic formats, including screen shots. This includes color and black and white photographs, infra red photographs and video, radar screens and synthetic aperture radar formats,… …   Wikipedia

• Nicholas Ray — Born August 7, 1911(1911 08 07) Galesville, Wisconsin, U.S. Died June 16, 1979(1979 06 16) (aged 67) …   Wikipedia

• Medical analysis of circumcision — Numerous medical studies have examined the effects of male circumcision with mixed opinions regarding the benefits and risks of the procedure. Opponents of circumcision say it is medically unnecessary, is unethical when performed on newborns, is… …   Wikipedia

• Fourier analysis — In mathematics, Fourier analysis is a subject area which grew out of the study of Fourier series. The subject began with trying to understand when it was possible to represent general functions by sums of simpler trigonometric functions. The… …   Wikipedia