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  2. Effluent - Wikipedia

    en.wikipedia.org/wiki/Effluent

    [9]: 375 In chemical engineering practice, effluent is the stream exiting a chemical reactor. [10] Effluent may carry pollutants such as fats, oils and greases; solvents, detergents and other chemicals; heavy metal; other solids; and food waste. [2]

  3. EF Standard English Test - Wikipedia

    en.wikipedia.org/wiki/EF_Standard_English_Test

    EF compares the EFSET's accuracy to the most widely used high stakes standardized English tests: TOEFL, IELTS, and Cambridge International Examinations. [ 2 ] There are three versions of the EFSET: a 15-minute test which is basically a quiz type test, a 50-minute test which assesses the reading and listening skills, and a 90-minute test which ...

  4. List of linguistic example sentences - Wikipedia

    en.wikipedia.org/wiki/List_of_linguistic_example...

    A famous example for lexical ambiguity is the following sentence: "Wenn hinter Fliegen Fliegen fliegen, fliegen Fliegen Fliegen hinterher.", meaning "When flies fly behind flies, then flies fly in pursuit of flies." [40] [circular reference] It takes advantage of some German nouns and corresponding verbs being homonymous. While not noticeable ...

  5. International English Language Testing System - Wikipedia

    en.wikipedia.org/wiki/International_English...

    International English Language Testing System (IELTS / ˈ aɪ. ɛ l t s /) [6] is an international standardized test of English language proficiency for non-native English language speakers. It is jointly managed by the British Council, IDP and Cambridge English, [6] and was established in 1989. IELTS is one of the major English-language tests ...

  6. Sentence clause structure - Wikipedia

    en.wikipedia.org/wiki/Sentence_clause_structure

    A sentence consisting of at least one dependent clause and at least two independent clauses may be called a complex-compound sentence or compound-complex sentence. Sentence 1 is an example of a simple sentence. Sentence 2 is compound because "so" is considered a coordinating conjunction in English, and sentence 3 is complex.

  7. Test of English as a Foreign Language - Wikipedia

    en.wikipedia.org/wiki/Test_of_English_as_a...

    IELTS Score TOEFL Score TOEFL PBT Score CEFR IELTS Description 9.0 118–120 667–677 C2 Expert User 8.5 115–117 657–663 Very Good User 8.0 110–114 637–653 C1 7.5 102–109 610–633 Good User 7.0 94–101 587–607 6.5 79–93 550–583 B2 Competent User 6.0 60–78 500–547 5.5 46–59 453–497 Modest User 5.0 35–45 417–450 B1 4.5

  8. Miasma theory - Wikipedia

    en.wikipedia.org/wiki/Miasma_theory

    An 1831 color lithograph by Robert Seymour depicts cholera as a robed, skeletal creature emanating a deadly black cloud.. The miasma theory (also called the miasmic theory) is an abandoned medical theory that held that diseases—such as cholera, chlamydia, or the Black Death—were caused by a miasma (μίασμα, Ancient Greek for 'pollution'), a noxious form of "bad air", also known as ...

  9. Effluvium - Wikipedia

    en.wikipedia.org/wiki/Effluvium

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