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  2. Chart - Wikipedia

    en.wikipedia.org/wiki/Chart

    Chart. A pie chart showing the composition of the 38th Parliament of Canada. A chart (sometimes known as a graph) is a graphical representation for data visualization, in which "the data is represented by symbols, such as bars in a bar chart, lines in a line chart, or slices in a pie chart ". [1] A chart can represent tabular numeric data ...

  3. Gantt chart - Wikipedia

    en.wikipedia.org/wiki/Gantt_chart

    Definition. A Gantt chart is a type of bar chart [4][5] that illustrates a project schedule. [6] This chart lists the tasks to be performed on the vertical axis, and time intervals on the horizontal axis. [4][7] The width of the horizontal bars in the graph shows the duration of each activity. [7][8] Gantt charts illustrate the start and finish ...

  4. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    The terms "free", "subscription", and "free & subscription" will refer to the availability of the website as well as the journal articles used. Furthermore, some programs are only partly free (for example, accessing abstracts or a small number of items), whereas complete access is prohibited (login or institutional subscription required).

  5. Scientific terminology - Wikipedia

    en.wikipedia.org/wiki/Scientific_terminology

    Descriptive human anatomy or works on biological morphology often use such terms, for example, musculus gluteus maximus [13] simply means the "largest rump muscle", where musculus was the Latin for "little mouse" and the name applied to muscles. During the last two centuries there has been an increasing tendency to modernise the terminology ...

  6. Bacteria - Wikipedia

    en.wikipedia.org/wiki/Bacteria

    Scale bars indicate 100 nm. Bacteria do not have a membrane-bound nucleus, and their genetic material is typically a single circular bacterial chromosome of DNA located in the cytoplasm in an irregularly shaped body called the nucleoid. [65] The nucleoid contains the chromosome with its associated proteins and RNA.

  7. Thermodynamic databases for pure substances - Wikipedia

    en.wikipedia.org/wiki/Thermodynamic_databases...

    The values are organized in a format that makes them readable by a thermodynamic calculation program or for use in a spreadsheet. For example, the Excel-based thermodynamic database FREED creates the following type of datafile, here for a standard pressure of 1 atm. Thermodynamic datafile for MgCl 2 (c,l,g) from FREED. Some values have ...

  8. Pumping lemma for context-free languages - Wikipedia

    en.wikipedia.org/wiki/Pumping_lemma_for_context...

    In computer science, in particular in formal language theory, the pumping lemma for context-free languages, also known as the Bar-Hillel lemma, [1] is a lemma that gives a property shared by all context-free languages and generalizes the pumping lemma for regular languages. The pumping lemma can be used to construct a refutation by ...

  9. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    A PDF file is organized using ASCII characters, except for certain elements that may have binary content. The file starts with a header containing a magic number (as a readable string) and the version of the format, for example %PDF-1.7. The format is a subset of a COS ("Carousel" Object Structure) format. [23]