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  2. Secondary cell wall - Wikipedia

    en.wikipedia.org/wiki/Secondary_cell_wall

    The direction of the microfibrils is called microfibril angle (MFA). In the secondary cell wall of fibres of trees a low microfibril angle is found in the S2-layer, while S1 and S3-layers show a higher MFA . However, the MFA can also change depending on the loads on the tissue. It has been shown that in reaction wood the MFA in S2-layer can ...

  3. Microfibril - Wikipedia

    en.wikipedia.org/wiki/Microfibril

    A microfibril is a very fine fibril, or fiber-like strand, consisting of glycoproteins and cellulose.It is usually, but not always, used as a general term in describing the structure of protein fiber, e.g. hair and sperm tail.

  4. List of measuring instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_measuring_instruments

    angle, in the horizontal and vertical planes thermometer: temperature tiltmeter: minor changes to the Earth tintometer: colour universal measuring machine: geometric locations vacuum gauge: very low pressure viscometer: viscosity of a fluid voltmeter: electric potential, voltage VU meter: volume unit wattmeter: electrical power weighing scale ...

  5. Relascope - Wikipedia

    en.wikipedia.org/wiki/Relascope

    The Relascope is often used for point sampling. This is done by using the set spacing marked in the Relascope to gauge whether a tree is in or out of the stand. A tree is IN or OUT based on whether it fills the space between the lines on the scale in the Relascope. If it does then the tree is IN. If it doesn't then the tree is OUT (Figure 1).

  6. Micrometer (device) - Wikipedia

    en.wikipedia.org/wiki/Micrometer_(device)

    A micrometer, sometimes known as a micrometer screw gauge (MSG), is a device incorporating a calibrated screw widely used for accurate measurement of components [1] in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers.

  7. Hygroscopy - Wikipedia

    en.wikipedia.org/wiki/Hygroscopy

    [2] The follicle mesocarp consists of high density branched fiber bundles; the endocarp, low density parallel fibers. A suture is caused by differential hygroscopic movements between layers, their microfibril structures having a large angle disparity (microfibril angle (MFA) γ = 75–90°). [2]

  8. Best Buy broadly misses earnings estimates as consumers pull ...

    www.aol.com/finance/best-buy-expected-see...

    Even artificial intelligence couldn't make up for flagging consumer demand at Best Buy ().For the 12th consecutive quarter, the retailer posted negative same-store sales growth, down 2.9% year ...

  9. Mathematical formulation of the Standard Model - Wikipedia

    en.wikipedia.org/wiki/Mathematical_formulation...

    The diagram shows the elementary particles of the Standard Model (the Higgs boson, the three generations of quarks and leptons, and the gauge bosons), including their names, masses, spins, charges, chiralities, and interactions with the strong, weak and electromagnetic forces.