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  2. File:Psychrometric chart - PMV method.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Psychrometric_chart...

    English: This psychrometric chart represents the acceptable combination of air temperature and humidity values, according to the PMV/PPD method in the ASHRAE 55-2010 Standard. The comfort zone in blue represents the 90% of acceptability, which means the conditions between -0.5 and +0.5 PMV, or PPD < 10%.

  3. Safety integrity level - Wikipedia

    en.wikipedia.org/wiki/Safety_integrity_level

    These lead to such erroneous statements as the tautology "This system is a SIL N system because the process adopted during its development was the standard process for the development of a SIL N system", or use of the SIL concept out of context such as "This is a SIL 3 heat exchanger" or "This software is SIL 2". According to IEC 61508, the SIL ...

  4. Automotive Safety Integrity Level - Wikipedia

    en.wikipedia.org/wiki/Automotive_Safety...

    Automotive Safety Integrity Level (ASIL) is a risk classification scheme defined by the ISO 26262 - Functional Safety for Road Vehicles standard. This is an adaptation of the Safety Integrity Level (SIL) used in IEC 61508 for the automotive industry.

  5. Speech interference level - Wikipedia

    en.wikipedia.org/wiki/Speech_Interference_Level

    Speech Interference Level (SIL) is an acoustical parameter calculated from sound pressure levels measured in octave bands.It is used to characterize a noise signal in the frequency range where the human ear has its highest sensitivity.

  6. Flying Star Feng Shui - Wikipedia

    en.wikipedia.org/wiki/Flying_Star_Feng_Shui

    Flying Star Feng Shui is a discipline to create an astrological chart in order to analyze positive and negative auras of a building.. Xuan Kong Flying Star feng shui or Xuan Kong Fei Xing [1] is a discipline in Feng Shui, and is an integration of the principles of Yin Yang, the interactions between the five elements, the eight trigrams, the Lo Shu numbers, and the 24 Mountains, by using time ...

  7. Charis SIL - Wikipedia

    en.wikipedia.org/wiki/Charis_SIL

    Charis SIL (/ ˈ k ɛər ɪ s /) is a slab serif typeface developed by SIL International based on Bitstream Charter, one of the first fonts designed for laser printers. The font offers four family members: roman, bold, italic, and bold italic.

  8. List of medical abbreviations: S - Wikipedia

    en.wikipedia.org/wiki/List_of_medical...

    send out of bed sitting out of bed SOP: sterile ophthalmic preparation SORA: stable on room air SOS: if needed (from Latin si opus sit) SP s/p: status post; condition after" SPE: streptococcal pyrogenic exotoxin Spec: specimen SPECT: single-photon emission computed tomography: SPEP: serum protein electrophoresis: SPET: single-photon emission ...

  9. Solid immersion lens - Wikipedia

    en.wikipedia.org/wiki/Solid_immersion_lens

    A solid immersion lens (SIL) has higher magnification and higher numerical aperture than common lenses by filling the object space with a high-refractive-index solid material. SIL was originally developed for enhancing the spatial resolution of optical microscopy. [1] There are two types of SIL: