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  • Advances in pH Measurement in High-Temperature Biotech Processes
    is the capacitance
  • Usage Temperatures of Piezoceramic Materials
    materials to applied voltage. K3 is the ratio of the capacitance of a piezoceramic to an equivalent structure formed with vacuum between the electrodes. Figure 1: Coupling Coefficient d33 vs Curie Temperature. Note the logarithmic scale of the vertical axis. Plotted here are many
  • MICRO: Products
    diaphragm sensor technology and an advanced digital microprocessor. Based on Baratron capacitance technology, the transducers ensure greater accuracy in lower pressure ranges than strain-gauge-based models. Their compact envelope (125 x 25 mm) and integrated rotatable LED meet the strict footprint
  • An Overview of the Properties of Different Piezoceramic Materials
    . The coefficient K3 compares the capacitance of the piezoceramic to a capacitance of a pair of plates of the same area and gap, but with only air between the plates. Typical values of K3 are in the range of hundreds or thousands. The capacitance of a piezoceramic is sensitive to the stress

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  • Non-Contact Electromagnetic Control Methods of the Specific Conductivity Powders Materials, Solid Inorganic and Polymer Film.
    Depending on electrolyte conductivity, it is preferred to use the combined sensor or capacitance non - destructive non-contact method.
  • Solid State Detectors
    The DEPFET has several interesting properties:•  •  •  •  •  Combined function of sensor and amplifier; Full sensitivity over complete wafer; Low capacitance and low noise; Non - destructive repeated readout; Complete clearing of signal charge: no reset noise.
  • Online dynamic measurement of saturation-capillary pressure relation in sandy medium under water level fluctuation
    Popular electromagnetic wave methods for the non - destructive and dynamic determination of water content in porous media include time domain reflectometry (TDR), electron conductivity method, and capacitance sensor method.
  • (IUCr) Silicon drift and pixel devices for X-ray imaging and spectroscopy
    The DEPFET has several interesting properties: (i) combined function of sensor and amplifier; (ii) full sensitivity over complete wafer; (iii) low capacitance and low noise; (iv) non - destructive repeated readout; (v) complete clearing of signal charge: no reset noise.
  • Simultaneous Monitoring of Soil Water Content and Salinity with a Low-Cost Capacitance-Resistance Probe
    Capacitance and resistivity sensors can be used to continuously monitor soil volumetric water content (θ) and pore-water electrical conductivity (ECp) with non - destructive methods.
  • Rotor design for capacitive sensors
    The sensor system in Figure 2 is not limited to position sens- ing, it may also be... ...in applications ranging from prox- imity sensing over flow, force, pressure and position sensing to non destructive testing (NDT) and electrical capacitance tomography (ECT) [2].
  • Author index with titles
    ...L O 67 Fang D: see Xie H 1716 Fang W: A nonlinear image reconstruction algorithm for electrical capacitance tomography 2124 Fang X... ...C and Collins B: Non - destructive characterization for dielectric loss... ...fibre Bragg grating temperature sensors in a low flux...
  • Nuclear Techniques in Integrated Plant Nutrient, Water and Soil Management Proceedings of an International Symposium in Vienna, 16–20 October 2000
    Soil profile water content measurement techniques range from destructive sampling using augers or coring tubes to non - destructive techniques such as gamma-ray attenuation, neutron thermalization and capacitance measurements in access tubes. Techniques also include various sensors including resistance blocks, heat flux based sensors, and time domain reflectometry (TDR...
  • Author index with titles
    ...rich flames: background levels at different excitation wavelengths 741 M´endez E R: see Negrete-Regagnon P 241 Meola C, Carlomagno G M, Squillace A and Giorleo G: Non - destructive control of industrial materials... ...using an orthogonal four- sensor probe 1488 Mizaikoff B... ...T: The ‘best-correlated pixels’ method for solid mass flow measurements using electrical capacitance tomography 1810 Motschmann...
  • CONTRIBUTION OF CAPACITANCE PROBES FOR THE NONDESTRUCTIVE INSPECTION OF EXTERNAL PRESTRESSING DUCTS
    Louge M. Y., Forster R. L., Jensen N., Patterson R., “A portable capacitance snow sounding instrument.�?... Mamishev A. V., “Interdigital dielectrometry sensor design and parameter estimation algorithms for non - destructive material evaluation.�?, Ph. D. Dissertation, Massachusetts Institute of Technology, U.S.A, 1999.
  • Online Testing System for Thickness of Veneer Based on Beta Rays
    CONCLUSIONS The author's innovation is that compared with the traditional ways of testing thickness such as Direct contact thickness gauge, Capacitance sensor thickness gauge, Laser thickness gauge, etc, this system uses Beta rays thickness gauge. Combined with Siemens S7-200 PLC and TP27 touch screen, it can implement online non - destructive testing the thickness of veneer and real-time display the measurement data.
  • SOIL TEMPERATURE AND FALL FREEZE-THAW EFFECTS ON INFILTRATION AND SOIL MOISTURE MOVEMENT
    They range from classical methods such as neutron scattering (NS), electrical conductivity, and thermogravimetric; to modern sensor methods such as time domain reflectometry (TDR), frequency domain reflectometry (FDR), water content reflectometer (WCR), and capacitance methods (Seyfried 2001; Warrick 2001; Evett 2000 and... Despite the innovations of these methods which are non - destructive with high precision, both the old and the new methods encounter particular problems related to physics of the methods i.e. accuracy and precision of the measurements, coverage and volume of measurements...