By D. S. Ballantine, Jr.,Robert M. White,S. J. Martin, et al.Elsevier|Elsevier Science||Academic PressAdult NonfictionScience, TechnologyLanguage(s): EnglishOn sale date: 13.05.2011Street date: 21.10.1996
Written through an interdisciplinary workforce of specialists from either and academia, Acoustic Wave Sensors presents an in-depth examine the present country of acoustic wave units and the scope in their use in chemical, biochemical, and actual measurements, in addition to in engineering functions. a result of inherent interdisciplinary functions of those units, this ebook can be necessary for the chemist and biochemist drawn to the use and improvement ofthese sensors for particular purposes; engineer focused on the layout and development of those units; the chemical engineer and the biotechnologist drawn to utilizing those units for procedure tracking and regulate; and the sensor neighborhood at large.
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Extra info for Acoustic Wave Sensors. Theory, Design, & Physico-Chemical Applications
E=Ezz. 3. 17 × 10−11m/V)Ez. 17 × 10−6. 6 (page 26). In fact, the lateral compression is such that the change in unit volume (known as the dilatation and equal to S1+S2+S3) is nearly zero. These strains are reversed if the electric field direction is reversed. 6 Strain induced in a ZnO crystal by an electric field applied along the z-axis. In general, the strains resulting from an applied field increase with the magnitude of the piezoelectric constants eIj so that lithium niobate, for example, exhibits larger strains than does gallium arsenide for a given electric field.
3 (page 6). This range is nearly as large as that commonly shown in charts of the electromagnetic wave spectrum. 3 shows that there are many other types of acoustic sensors designed for purposes ranging from imaging the human heart to detecting cracks in airplane parts . 3 Acoustic-wave spectrum. Almost as broad as the familiar electromagnetic-wave spectrum, the spectrum of acoustic waves that have been excited or detected covers frequencies that range over roughly eighteen orders of magnitude.
6A crystal structure with a center of inversion symmetry has the property that a straight line drawn from any point in the lattice through the center of inversion will meet an equivalent point at an equal distance from that center. 7Other common forms of the constitutive relations for piezoelectric media, employing different piezoelectric coefficients, are : The quantity sij is the compliance of the solid. 8Note that the source term is non-zero only in regions where it varies spatially. This is an important consideration in the mechanism by which acoustic waves are launched in the thickness-shear mode resonators that we consider later.
Acoustic Wave Sensors. Theory, Design, & Physico-Chemical Applications by D. S. Ballantine, Jr.,Robert M. White,S. J. Martin, et al.Elsevier|Elsevier Science||Academic PressAdult NonfictionScience, TechnologyLanguage(s): EnglishOn sale date: 13.05.2011Street date: 21.10.1996