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  2. Turnitin - Wikipedia

    en.wikipedia.org/wiki/Turnitin

    Teachers can further set assignment-analysis options so that students can review the system's "originality reports" before they finalize their submission. A peer-review option is also available. Some virtual learning environments can be configured to support Turnitin, so that student assignments can be automatically submitted for analysis.

  3. Pyridinium chlorochromate - Wikipedia

    en.wikipedia.org/wiki/Pyridinium_chlorochromate

    PCC is used as an oxidant.In particular, it has proven to be highly effective in oxidizing primary and secondary alcohols to aldehydes and ketones, respectively.The reagent is more selective than the related Jones' Reagent, so there is little chance of over-oxidation to form carboxylic acids if acidified potassium permanganate is used as long as water is not present in the reaction mixture.

  4. Unicheck - Wikipedia

    en.wikipedia.org/wiki/Unicheck

    The check results are presented as a similarity report, where each of the similarities that have been found has a link to the source. These reports can be downloaded as PDF documents. Unicheck can be used as a stand-alone online tool, or integrated into an LMS (Learning Management System) via plugin , LTI , API or LTI+API types of integrations.

  5. Content similarity detection - Wikipedia

    en.wikipedia.org/wiki/Content_similarity_detection

    Systems for text similarity detection implement one of two generic detection approaches, one being external, the other being intrinsic. [5] External detection systems compare a suspicious document with a reference collection, which is a set of documents assumed to be genuine. [6]

  6. List of important publications in chemistry - Wikipedia

    en.wikipedia.org/wiki/List_of_important...

    Importance: First major text on polymer chemistry; presents both organic and physical chemistry aspects. Written by a chemist who made major contributions to the physical chemistry of polymers, for which he won the Nobel prize in 1974.

  7. Rotamer - Wikipedia

    en.wikipedia.org/wiki/Rotamer

    The repulsion between an axial t-butyl group and hydrogen atoms in the 1,3-diaxial position is so strong that the cyclohexane ring will revert to a twisted boat conformation. The strain in cyclic structures is usually characterized by deviations from ideal bond angles ( Baeyer strain ), ideal torsional angles ( Pitzer strain ) or transannular ...

  8. Subject (documents) - Wikipedia

    en.wikipedia.org/wiki/Subject_(documents)

    It is content-free: Dewey disdained any philosophical excogitation of the meaning of his class symbols, leaving the job of finding verbal equivalents to others. His innovation and the essence of the system lay in the notation. The DDC is a poorly semiotic system of expanding nests of ten digits, lacking any referent beyond itself.

  9. Flame test - Wikipedia

    en.wikipedia.org/wiki/Flame_test

    [9] [10] [11] [6] When using a splint, one must be careful to wave the splint through the flame rather than holding it in the flame for extended periods, to avoid setting the splint itself on fire. The use of a cotton swab or melamine foam (used in “eraser” cleaning sponges) as a support has also been suggested.