By B. A. Auld
Quantity One starts off with a scientific improvement of simple ideas (strain, tension, stiffness and compliance, viscous clamping) and coordinate variations in either tensor and matrix notation. the elemental elastic box equations are then written in a kind analogous to Maxwell's equations. This analogy is then pursued while reading wave propagation in either isotropic and anisotropic solids. Piezoelectricity and bulk wave transducers are handled within the ultimate bankruptcy. Appendixes record slowness diagrams and fabric homes for numerous crystalline solids. quantity applies the fabric constructed in quantity One to various boundary worth difficulties (reflection and refraction at airplane surfaces, composite media, waveguides, and resonators). Pursuing the electromagnetic analogue, analytic innovations ordinary in electromagnetism (for instance, general mode emissions), are utilized to elastic difficulties. ultimate chapters deal with perturbation and variational equipment. An appendix lists homes of Rayleigh floor waves on unmarried crystal substrates.
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Unfortunately, the quantity of the extracellular lymphocyte DNA in this experiment was not enough to produce an answer after the hybridization. The result obtained after the Bgl II digestion apparently suggested that the Ig gene in the sample of blood plasma DNA is rearranged. 5 kb EcoR I-EcoR I region that we used as a probe. It may be that in cell damage the molecules of genome DNA can be broken by endonucleases at certain definite points. This supposition can explain the presence of discretely sized fragments of the Ig gene in extracellular DNA.
62:93. Newton K. J. 1988, Plant mitochondrial genomes: organization, expression and variation, Ann. Rev. , 39:503. 22 ROLE OF DAMAGE OF SKELETAL STRUCTURES IN THE INDUCTION OF CHROMOSOME ABERRATIONS S. I. Zaichkina, O. M. Rosanova, G. F. Aptikaeva, and E. E. Ganassi Institute of Biological Physics Acad. Sci. USSR Pushchino Moscow Region, 142292, USSR INTRODUCTION Studies of the mechanism of induction of chromosome aberrations by ionizing radiation and endonucleases treatment are means of determining the native organization of nuclear structure.
Numbers on the left represent the positions of the A DNA in kb. Figure 2. Covalently closed circular DNA from extracellular lymphocyte DNA. 24~m. and blood plasma DNAs was between 40 to 2 kb (Figure 1). These DNAs were sensitive to the DNase I and resistent to the RNase and pronase treatment. , (1971). They contained covalently closed circular (ccc) DNA molecules. 6 ~m. A representative electron micrograph of ccc DNA is shown in Figure 2. We used the C human Ig region probe to study by the Southern blot hybridization whet~er extracellular lymphocyte and plasma DNA contained some molecules homologous to the Ig gene.