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  2. Poly(p-phenylene vinylene) - Wikipedia

    en.wikipedia.org/wiki/Poly(p-phenylene_vinylene)

    Poly (p-phenylene vinylene) ( PPV, or polyphenylene vinylene) is a conducting polymer of the rigid-rod polymer family. PPV is the only polymer of this type that can be processed into a highly ordered crystalline thin film. PPV and its derivatives are electrically conducting upon doping. Although insoluble in water, its precursors can be ...

  3. Process performance qualification protocol - Wikipedia

    en.wikipedia.org/wiki/Process_Performance...

    Process performance qualification protocol. Process performance qualification protocol is a component of process validation: process qualification. This step is vital in maintaining ongoing production quality by recording and having available for review essential conditions, controls, testing, and expected manufacturing outcome of a production ...

  4. Pneumococcal polysaccharide vaccine - Wikipedia

    en.wikipedia.org/wiki/Pneumococcal...

    Pneumococcal polysaccharide vaccine, sold under the brand name Pneumovax 23, is a pneumococcal vaccine that is used for the prevention of pneumococcal disease caused by the 23 serotypes of Streptococcus pneumoniae contained in the vaccine as capsular polysaccharides. [2] It is given by intramuscular or subcutaneous injection.

  5. Positive and negative predictive values - Wikipedia

    en.wikipedia.org/wiki/Positive_and_negative...

    Definition Positive predictive value (PPV) The positive predictive value (PPV), or precision, is defined as = + = where a "true positive" is the event that the test makes a positive prediction, and the subject has a positive result under the gold standard, and a "false positive" is the event that the test makes a positive prediction, and the subject has a negative result under the gold standard.

  6. Advanced product quality planning - Wikipedia

    en.wikipedia.org/wiki/Advanced_product_quality...

    Advanced product quality planning. Advanced product quality planning ( APQP) is a framework of procedures and techniques used to develop products in industry, particularly in the automotive industry. It differs from Six Sigma in that the goal of Six Sigma is to reduce variation, but has similarities to Design for Six Sigma (DFSS).

  7. Process manufacturing - Wikipedia

    en.wikipedia.org/wiki/Process_manufacturing

    Process manufacturing is a branch of manufacturing that is associated with formulas and manufacturing recipes, [1] and can be contrasted with discrete manufacturing, which is concerned with discrete units, bills of materials and the assembly of components. Process manufacturing is also referred to as a 'process industry' which is defined as an ...

  8. Pay-per-view - Wikipedia

    en.wikipedia.org/wiki/Pay-per-view

    Pay-per-view (PPV) is a type of pay television or webcast service that enables a viewer to pay to watch individual events via private telecast. Events can be purchased through a multichannel television platform using their electronic program guide , an automated telephone system, or through a live customer service representative .

  9. Manufacturing - Wikipedia

    en.wikipedia.org/wiki/Manufacturing

    Manufacturing engineering is the field of engineering that designs and optimizes the manufacturing process, or the steps through which raw materials are transformed into a final product. The manufacturing process begins with the product design , and materials specification .

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