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  2. ISO/IEC 15504 - Wikipedia

    en.wikipedia.org/wiki/ISO/IEC_15504

    ISO/IEC 15504 is the reference model for the maturity models (consisting of capability levels which in turn consist of the process attributes and further consist of generic practices) against which the assessors can place the evidence that they collect during their assessment, so that the assessors can give an overall determination of the organization's capabilities for delivering products ...

  3. Acid strength - Wikipedia

    en.wikipedia.org/wiki/Acid_strength

    The experimental determination of a value is commonly performed by means of a titration. [8] A typical procedure would be as follows. A quantity of strong acid is added to a solution containing the acid or a salt of the acid, to the point where the compound is fully protonated.

  4. European Pharmacopoeia - Wikipedia

    en.wikipedia.org/wiki/European_Pharmacopoeia

    Cover of the European Pharmacopoeia, 11th Edition. The European Pharmacopoeia [1] (Pharmacopoeia Europaea, Ph. Eur.) is a major regional pharmacopoeia which provides common quality standards throughout the pharmaceutical industry in Europe to control the quality of medicines, and the substances used to manufacture them. [1]

  5. Amino acid - Wikipedia

    en.wikipedia.org/wiki/Alpha-amino_acid

    There are three amino acids with side chains that are cations at neutral pH: arginine (Arg, R), lysine (Lys, K) and histidine (His, H). Arginine has a charged guanidino group and lysine a charged alkyl amino group, and are fully protonated at pH 7. Histidine's imidazole group has a pK a of 6.0, and is only around 10% protonated at neutral pH ...

  6. General Motors 122 engine - Wikipedia

    en.wikipedia.org/wiki/General_Motors_122_engine

    The 1.8-liter pushrod engine was the first engine to power the J-body cars. Introduced with the models in 1982, the 1.8 used a two-barrel Rochester carburetor and produced 88 hp (66 kW) and 100 lb⋅ft (140 N⋅m) of torque.

  7. Carbon dioxide - Wikipedia

    en.wikipedia.org/wiki/Carbon_dioxide

    The relative concentrations of CO 2, H 2 CO 3, and the deprotonated forms HCO − 3 (bicarbonate) and CO 2− 3 depend on the pH. As shown in a Bjerrum plot, in neutral or slightly alkaline water (pH > 6.5), the bicarbonate form predominates (>50%) becoming the most prevalent (>95%) at the pH of seawater. In very alkaline water (pH > 10.4), the ...

  8. iPhone OS 2 - Wikipedia

    en.wikipedia.org/wiki/IPhone_OS_2

    iPhone OS 2 is the second major release of the iOS mobile operating system developed by Apple Inc., being the successor to iPhone OS 1.It was the first version of iOS to support third-party applications via the App Store. iPhone OS 2.2.1 is the final version of iPhone OS 2.

  9. Insomnia - Wikipedia

    en.wikipedia.org/wiki/Insomnia

    Insomnia, also known as sleeplessness, is a sleep disorder where people have trouble sleeping. [1] [11] They may have difficulty falling asleep, or staying asleep for as long as desired.