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  2. Unified Soil Classification System - Wikipedia

    en.wikipedia.org/wiki/Unified_Soil...

    Fines classify as ML or MH GM Silty Gravel Fines classify as CL or CH GC Clayey gravel Sands. 50% or more of coarse fraction passes No.4 sieve Clean Sands. Less than 5% fines Cu ≥ 6 and 1 ≤ Cc ≤ 3 SW Well-graded sand Cu < 6 and/or Cc < 1 or Cc > 3 SP Poorly graded sand Sands with Fines. More than 12% fines Fines classify as ML or MH SM ...

  3. Multilevel groundwater monitoring systems - Wikipedia

    en.wikipedia.org/wiki/Multilevel_groundwater...

    The casing comes in two different sizes, the MP38 system (38 mm, 1.5-inch) and MP55 system (55 mm, 2.25-inch). One single string of water-tight Westbay casing sections is installed in the borehole. Each desired monitoring zone has valved couplings and ports to access groundwater outside the casing and instruments inside the casing.

  4. Multilevel security - Wikipedia

    en.wikipedia.org/wiki/Multilevel_security

    Multilevel security or multiple levels of security (MLS) is the application of a computer system to process information with incompatible classifications (i.e., at different security levels), permit access by users with different security clearances and needs-to-know, and prevent users from obtaining access to information for which they lack authorization.

  5. Python (missile) - Wikipedia

    en.wikipedia.org/wiki/Python_(missile)

    Since then, it has been further developed and evolved into the Python-4, Python-5, Derby and also, the SPYDER, an advanced ground-based air-defence system. Currently, the missiles are in service with the armed forces of over fifteen countries from around the world.

  6. Floppy disk variants - Wikipedia

    en.wikipedia.org/wiki/Floppy_disk_variants

    A Maxell-branded 3-inch Compact Floppy Disk. The floppy disk is a data storage and transfer medium that was ubiquitous from the mid-1970s well into the 2000s. [1] Besides the 3½-inch and 5¼-inch formats used in IBM PC compatible systems, or the 8-inch format that preceded them, many proprietary floppy disk formats were developed, either using a different disk design or special layout and ...

  7. Meshfree methods - Wikipedia

    en.wikipedia.org/wiki/Meshfree_methods

    Numerical methods such as the finite difference method, finite-volume method, and finite element method were originally defined on meshes of data points. In such a mesh, each point has a fixed number of predefined neighbors, and this connectivity between neighbors can be used to define mathematical operators like the derivative.

  8. Least mean squares filter - Wikipedia

    en.wikipedia.org/wiki/Least_mean_squares_filter

    For most systems the expectation function {() ()} must be approximated. This can be done with the following unbiased estimator ^ {() ()} = = () where indicates the number of samples we use for that estimate.

  9. Mercedes-Benz CLS - Wikipedia

    en.wikipedia.org/wiki/Mercedes-Benz_CLS

    The CLS range is positioned between the E-Class and the S-Class within the Mercedes model range, [4] [5] and models tend to be less practical than the E-Class it is based on. [6] It primarily competes with other fastback sedans like the BMW 8 Series Gran Coupe , Porsche Panamera and Audi A7 .