zero ppm
1Zero air — is purified atmospheric air to contain less than 0.1 ppm total hydrocarbons.References* http://www.epa.gov/OCEPAterms/xyzterms.html …
2Ppm — Partie par million Pour les articles homonymes, voir Partie. Sommaire 1 Description 2 Taux de défaillance 3 …
3zero air — noun Purified atmospheric air to contain less than 0.1 ppm total hydrocarbons …
4Resistor — A typical axial lead resistor Type Passive Working principle Electrical resistance Invented Ge …
5Ultra-low-sulfur diesel — (ULSD, also spelled “sulphur” in British English) is a term used to describe diesel fuel with substantially lowered sulfur content. As of 2006, almost all of the petroleum based diesel fuel available in Europe and North America is of a ULSD type …
6Ultra-low sulfur diesel — (ULSD) (also spelled “sulphur”) is a term used to describe a standard for defining diesel fuel with substantially lowered sulfur contents. As of 2006, almost all of the petroleum based diesel fuel available in Europe and North America is of a… …
7Peak programme meter — A typical British quasi PPM. Each division between 1 and 7 is exactly four decibels and 6 is the intended maximum level. A peak programme meter (PPM) is an instrument used in professional audio for indicating the level of an audio signal. There… …
8Prediction by Partial Matching — (PPM) is an adaptive statistical data compression technique based on context modeling and prediction. PPM models use a set of previous symbols in the uncompressed symbol stream to predict the next symbol in the stream.Predictions are usually… …
9Greenhouse gas — Simple diagram of greenhouse effect. A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.[1] …
10Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …
