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During the past three decades, the sugar moiety of complex carbohydrates has been found to be involved in important interactions of immunological specificity of antigens and to participate in a variety of cellular functions. The long polysaccharide side chains of the lipopolysaccharides on the outer membrane of Gram negative organisms provide surface antigens for differential serodiagnosis. Bacterial surface lectins are important in mediating the attachment of bacteria to host cells in the of infectious diseases. The carbohydrate pathogenesis moieties of cell surface glycoconjugates...

Reprint from Pure and Applied Geophysics (PAGEOPH), Volume 131 (1989), No. 4

This is volume I of the two-volume special issue Scattering and Attenuation of Seismic Waves which will contain total 17 invited review papers and about 30 c- tributed papers. The scope and contents of the special issue are described in the following Introduction. This volume includes 21 contributed papers arranged in the following order: Scattering theory and modeling including the scattering attenuation and its separation from the intrinsic attenuation; numerical method and simulation; field observation including coda Q and surface wave Q measurement; inversion; laboratory attenuation...