Scherr Tumico Combination Squares

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  • Changes in thick filament structure during compression of the filament lattice in relaxed frog sartorius muscle
    Spacings were measured on an optical comparator ( Scherr - Tumico , St James, MN, USA). … developed FORTRAN program which was based on a Marquardt-type, non-linear least squares fitting algorithm modified … The mass of the myosin heads was distributed over the regions in various ways: e.g., distributions with gaussian edges or linearly decreasing regions, in various combina- tions with and without dense regions superimposed on the density distribution (see below).
  • Journal of Spacecraft and Rockets > Dynamic performance of low-thrust, cold-gas reaction jets in a vacuum.
    … system specific impulse as the ratio of de- livered total impulse to the combined propellant and mini … The thrust stand was calibrated in two ways: 1) using a Scherr - Tumico force gage and providing a scale factor in terms of volts per pound of force; 2) orienting the thrust stand so that the beam was subjected to a l … The deviation from the ideal square -pulse wave is due to the rise and decay transients.
  • Applied Scanning Probe Methods IX
    The output of the trajectory generator is combined with the actual encoder position to calculate a 32 … A 76.2-mm-diameter micrometer head ( Scherr Tumico , St James, MN, USA) with a resolution of 2.54 μm was mounted on a plate. Measurements were per- formed using square -pyramidal Si3N4 tips with nominal radii of 30–50 nm, mounted on …
  • http://dr.library.brocku.ca/bitstream/handle/10464/2234/Brock_Cottrell_A_1977.pdff?sequence=1
    However, when these thin filaments from molluscs were combined with the relaxing proteins from rabbit muscles, an … The stimulus given was an eight second duration of square wave pulses, each pulse was one millisecond … The diffraction patterns were measured using an optical comparator ( Scherr Tumico , Inc.) ..
  • Surface modification of collagen‐based artificial cornea for reduced endothelialization
    A signifi- cance level of 95% was chosen, thus a combination with a P-value less than … tal Beam Comparator (Model 20–4200 Series, Scherr Tumico , St. James, MN). … the area of gel selected, that is counts were expressed as cells per square micrometer of surface …
  • Comparison of flat film to total package water vapour transmission rates for several commercial food wraps
    … the effect of various food wraps (PVdC, PVC, Al foil and PVdC±Al foil combination ) in comparison to … The linear portions of the curves were regressed using least squares multiple linear regression to obtain rates … Film thickness was determined at ®ve random locations on a 30 Â 30 cm section of ®lm, using a Scherr Tumico Dial Thickness Gauge (Part No. 64- 1210-02, Scherr Tumico, St James, MN).
  • Z/I and A-band lattice spacings in frog skeletal muscle: effects of contraction and osmolarity
    A-band lattice spacings on ®lm were measured on a Scherr - Tumico Optical Comparator (St James, NM) using 5´ magni®cation. Circles: whole sartorius muscle (Howarth, 1958); squares : semitendinosus single ®bres (Gulati & Babu, 1982); triangles: tibialis anterior … … soleus muscle), we believe that the electron microscope re- sults probably involve a combination of genuine lat …
  • Optimization of micro-EDM drilling of inconel 718 superalloy
    The hole size measurements were taken using an optical (Model 98-0001, SCHERR TUMICO , U.S.A; 0.002 resolution) microscope. Table 2 gives the experimental conditions with respect to the parameter combinations . The coefficients were calculated using the least square method, and the regression equations for Ht and Hd …
  • X‐ray diffraction from striated muscles and nerves in normal and dystrophic mice
    The re- flection spacings were measured using an optical comparator ( Scherr Tumico , St. James, MN) and intensities were measured with a microdensitome- ter (Mark 111, Joyce-Loebl and Co., Ltd., Team Valley, Gateshead, England). Relationship between square of reciprocal of filament lattice spacing and sarcomere length in unfixed (circles) and glutaraldehyde … Okada E, Mizuhira V, Nakamura H: Abnormally combined myelinated and unmyelinated nerves in dystrophic mice.
  • Preliminary studies to determine the shelf life of HEPA filters
    with a Scherr - Tumico micrometer Figure 6 shows the least squares fit between the tensile strength of the unfolded media and the … are combined .