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PPM ?
ย่อจากอะไรอ่ะครับ
ไม่คุ้นว่าจะเกี่ยวอะไรกับพวกพลังงานนะ เค้าให้คำจำกัดความว่ามันคือค่าอะไรเหรอครับ แล้ว เค้าใช้เครื่องวัดอะไรวัดอ่ะครับ ?
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http://en.wikipedia.org/wiki/Ppm
PPM From Wikipedia, the free encyclopedia (Redirected from Ppm) Jump to: navigation, search Look up ppm in Wiktionary, the free dictionary.
PPM may refer to:
* Pages per minute, a measurement of printing speed * Parry People Movers, a British company manufacturing lightweight railbuses * Partido Popular Monárquico (People's Monarchist Party), Portuguese political party * Parts per million, a way of quantifying small concentrations, usually mass * Peak programme meter, a type of audio level meter * Perl package manager, a packaging system for distributing precompiled modules for use with the Activestate binary distribution of the Perl programming language * Permanent pacemaker or artificial pacemaker * Permutation parity machine, a form of neural network used in neural cryptography * Persekutuan Pengakap Malaysia, the Scouts Association of Malaysia * Persistent pupillary membrane, a condition in the eye * Peter, Paul and Mary, a 1960s folk music trio * Picture Postcard Monthly, the leading magazine for collectors of old and modern postcards worldwide * Planned Preventative Maintenance, a schedule/program for building maintenance * Please Please Me, the first album by The Beatles * Portable pixmap, a graphics file format. See Netpbm format * Portable People Meter, created by Arbitron to measure radio broadcast audiences * PPM Star Catalogue An astrometric catalogue of 378,910 stars * Prediction by Partial Matching, an adaptive statistical data compression algorithm based on context modeling and prediction used in computer science * Private Placement Memorandum, the initial offering document for a private placement, also known as prospectus * Probabilistic Packet Marking, an IP Traceback method * "Processor Power Management", an update of Advanced Configuration and Power Interface * Product Portfolio Management, an aspect of Product Management * Project Portfolio Management, management of a set of programmes as a single portfolio * Proton precession magnetometer, which measures the strength and/or direction of a magnetic field by measuring the resonance frequency of protons (hydrogen nuclei) in the magnetic field * Pulse-position modulation, a modulation scheme * pixel per meter, analog of dpi
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21 ม.ค. 54 15:45:44
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