25 research outputs found

    Denial at the top table: status attributions and implications for marketing

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    Senior marketing management is seldom represented on the Board of Directors nowadays, reflecting a deteriorating status of the marketing profession. We examine some of the key reasons for marketing’s demise, and discuss how the status of marketing may be restored by demonstrating the value of marketing to the business community. We attribute marketing’s demise to several related key factors: narrow typecasting, marginalisation and limited involvement in product development, questionable marketing curricula, insensitivity toward environmental change, questionable professional standards and roles, and marketing’s apparent lack of accountability to CEOs. Each of these leads to failure to communicate, create, or deliver value within marketing. We argue that a continued inability to deal with marketing’s crisis of representation will further erode the status of the discipline both academically and professionally

    Atomistic Studies of Defect Nucleation during Nanoindentation of Au (001)

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    Atomistic studies are carried out to investigate the formation and evolution of defects during nanoindentation of a gold crystal. The results in this theoretical study complement the experimental investigations [J. D. Kiely and J. E. Houston, Phys. Rev. B, v57, 12588 (1998)] extremely well. The defects are produced by a three step mechanism involving nucleation, glide and reaction of Shockley partials on the {111} slip planes noncoplanar with the indented surface. We have observed that slip is in the directions along which the resolved shear stress has reached the critical value of approximately 2 GPa. The first yield occurs when the shear stresses reach this critical value on all the {111} planes involved in the formation of the defect. The phenomenon of strain hardening is observed due to the sessile stair-rods produced by the zipping of the partials. The dislocation locks produced during the second yield give rise to permanent deformation after retraction.Comment: 11 pages, 13 figures, submitted to Physical Review

    Strategies for Controlled Placement of Nanoscale Building Blocks

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    The capability of placing individual nanoscale building blocks on exact substrate locations in a controlled manner is one of the key requirements to realize future electronic, optical, and magnetic devices and sensors that are composed of such blocks. This article reviews some important advances in the strategies for controlled placement of nanoscale building blocks. In particular, we will overview template assisted placement that utilizes physical, molecular, or electrostatic templates, DNA-programmed assembly, placement using dielectrophoresis, approaches for non-close-packed assembly of spherical particles, and recent development of focused placement schemes including electrostatic funneling, focused placement via molecular gradient patterns, electrodynamic focusing of charged aerosols, and others

    The soil-physical basis of the improvement of clay cover-soils.

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    A shallow clay layer overlying sandy subsoil is very susceptible to drought. Since no roots penetrate the subsoil the crop gets moisture from the clay or from the sand by capillarity. Deep plowing gives complete improvement when spring water tables are at depths of </jats:p

    Practical results of the improvement of clay cover soils

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    Practical results of the improvement of clay cover soils.

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    The soil-physical basis of the improvement of clay cover-soils.

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    Practical results of the improvement of clay cover soils.

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    The improvement of clay soils, in respect of crop yields, by mixing sand from the subsoil with the clayey top soil can be estimated by calculating the gain in total available moisture, an increase of &gt;10% indicating a positive effect. See also S. &amp; F. XXV [2108]. (Abstract retrieved from CAB Abstracts by CABI’s permission)</jats:p
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