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  2. Polyphthalamide - Wikipedia

    en.wikipedia.org/wiki/Polyphthalamide

    Repeating unit of polyphthalamide. Polyphthalamide (aka.PPA, [1] High Performance Polyamide) is a subset of thermoplastic synthetic resins in the polyamide family defined as when 55% or more moles of the carboxylic acid portion of the repeating unit in the polymer chain is composed of a combination of terephthalic (TPA) and isophthalic (IPA) acids. [2]

  3. Poly(phthalaldehyde) - Wikipedia

    en.wikipedia.org/wiki/Poly(phthalaldehyde)

    Poly(phthalaldehyde), abbreviated as PPA, is a metastable stimuli-responsive polymer first synthesized in 1967. [1] It has garnered significant attention during the past couple of years due to its ease of synthesis and outstanding transient and mechanical properties.

  4. Wikipedia : Training/For educators/Module 4 complete

    en.wikipedia.org/.../For_educators/Module_4_complete

    Module 1: Welcome and Introductions Module 2: The core of Wikipedia Module 3: Editing Basics Module 4: Using Wikipedia in Your Classroom Module 5: Course pages Click on the forward arrow to continue on to the last module.

  5. Thomas test - Wikipedia

    en.wikipedia.org/wiki/Thomas_test

    This constitutes a positive Thomas test. [2] Sometimes, with a very flexible patient, the Thomas test will be normal despite a psoas dysfunction being present. However, in the patient with a normal hip joint, a positive test is a good indicator of psoas hypertonicity. [2] Other signs from the Thomas test:

  6. IB Group 4 subjects - Wikipedia

    en.wikipedia.org/wiki/IB_Group_4_subjects

    Paper 2 – free response questions on the SSC (32% at SL, 36% at HL) Paper 3 – free response questions on the options (24% at SL, 20% at HL) At the Standard Level, the examinations are respectively 45 minutes, 1 hour and 15 minutes, and 1 hour long. At the Higher Level, they are 1 hour, 2 hours and 15 minutes, and 1 hour and 15 minutes long.

  7. Praxis test - Wikipedia

    en.wikipedia.org/wiki/Praxis_test

    A Praxis test is one of a series of American teacher certification exams written and administered by the Educational Testing Service. Various Praxis tests are usually required before, during, and after teacher training courses in the U.S. To be a teacher in about half of the states in the US, the Praxis test is required.

  8. List of tests - Wikipedia

    en.wikipedia.org/wiki/List_of_tests

    Test Description Year Draw-A-Person Test: Psychological projection test for children 1926 Knox Cubes: Nonverbal intelligence test 1913 Modern Language Aptitude Test: Foreign language test — Multiple choice: Determine the best possible answer from a list. 1915 Pimsleur Language Aptitude Battery: Foreign language proficiency attainment ...

  9. Power purchase agreement - Wikipedia

    en.wikipedia.org/wiki/Power_purchase_agreement

    A power purchase agreement (PPA), or electricity power agreement, is a long-term contract between an electricity generator and a customer, usually a utility, government or company. [ 1 ] [ 2 ] PPAs may last anywhere between 5 and 20 years, during which time the power purchaser buys energy at a pre-negotiated price.