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  2. List of free geology software - Wikipedia

    en.wikipedia.org/wiki/List_of_free_geology_software

    Drilling data logger that can interface with SGS Genesis: SGS Canada Inc. GPL: Windows & Microsoft Access: Microsoft Access VBA: Microsoft Access is not necessary, the free runtime is sufficient. Simple graphical interface, Integrity reinforcement, Reporting tools, Satellite Database, Database Validation, Assays QA/QC management with graphics ...

  3. Tonnetz - Wikipedia

    en.wikipedia.org/wiki/Tonnetz

    Euler's Tonnetz. The Tonnetz originally appeared in Leonhard Euler's 1739 Tentamen novae theoriae musicae ex certissismis harmoniae principiis dilucide expositae.Euler's Tonnetz, pictured at left, shows the triadic relationships of the perfect fifth and the major third: at the top of the image is the note F, and to the left underneath is C (a perfect fifth above F), and to the right is A (a ...

  4. Template:Metric prefixes (inline table) - Wikipedia

    en.wikipedia.org/wiki/Template:Metric_prefixes...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  5. Two-stage drainage ditch - Wikipedia

    en.wikipedia.org/wiki/Two-stage_drainage_ditch

    Cross Sectional Diagram of a Two Stage Drainage Ditch . A drainage ditch is a depression in the land created to channel water.Drainage ditches are typically formed around low-lying areas, roadsides or fields proximate to a water body or created to channel water from a more distant water source for the purpose of plant irrigation.

  6. Ternary plot - Wikipedia

    en.wikipedia.org/wiki/Ternary_plot

    There are three equivalent methods that can be used to determine the values of a point on the plot: Parallel line or grid method. The first method is to use a diagram grid consisting of lines parallel to the triangle edges. A parallel to a side of the triangle is the locus of points constant in the component situated in the vertex opposed to ...

  7. Trench drain - Wikipedia

    en.wikipedia.org/wiki/Trench_drain

    A person generally can go to a pre-caster or a distributor and buy 50 feet (15 m) of trench drain; the cost of the material to create the trench drains can be more expensive than simply using cast-in-place systems, however the money saved through installation, maintenance, and longevity heavily outweighs those costs.

  8. Drain-waste-vent system - Wikipedia

    en.wikipedia.org/wiki/Drain-waste-vent_system

    A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.

  9. Drain-induced barrier lowering - Wikipedia

    en.wikipedia.org/wiki/Drain-induced_barrier_lowering

    As drain voltage is increased, the depletion region of the p-n junction between the drain and body increases in size and extends under the gate, so the drain assumes a greater portion of the burden of balancing depletion region charge, leaving a smaller burden for the gate. As a result, the charge present on the gate retains charge balance by ...