14,759 research outputs found

    Visual-haptic interactions in multimodal virtual environments

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    Supervised by Mandayam A. Srinivasan.Also issued as Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.Includes bibliographical references (leaves 73-75).by Wan-Chen Wu

    Investigations on Physiologic Specialization and Parasitism of Rhizoctonia solani

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    Kernkamp, M.F.; de Zeeuw, D.J.; Chen, S.M.; Ortega, B.C.; Tsiang, C.T.; Khan, A.M.. (1952). Investigations on Physiologic Specialization and Parasitism of Rhizoctonia solani. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/108233

    Visual-haptic interactions in multimodal virtual environments

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    Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.Includes bibliographical references (leaves 73-75).by Wan-Chen Wu.S.M

    Case studies of naturally ventilated commercial buildings in the United States

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    Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2002.Includes bibliographical references (p. 273-276).by Jui-Chen Chang.S.M

    Controlling and testing the fracture strength of silicon at the mesoscale

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    Strength characterizations and supporting analysis of mesoscale biaxial flexure and radiused hub flexure single-crystal silicon specimens are presented. The Weibull reference strengths of planar biaxial flexure specimens were found to lie in the range 1.2 to 4.6 GPa. The local strength at stress concentrations was obtained by testing radiused hub flexure specimens. For the case of deep reactive ion-etched specimens the strength at fillet radii was found to be significantly lower than that measured on planar specimens. This result prompted the introduction of an additional isotropic etch after the deep reactive ion etch step to recover the strength in such regions. The mechanical test results reported herein have important implications for the development of highly stressed microfabricated structures. The sensitivity of the mechanical strength to etching technique must be accounted for in the structural design cycle, particularly with regard to the selection of fabrication processes. The scatter of data measured in the mechanical tests clearly illustrated the need to use a probabilistic design approach. Weibull statistics may be the appropriate means to describe the data, although a simple two-parameter Weibull model only provides a moderately good fit to the experimental data reported in this study

    The Sacramental Theory in John 19:26-27

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    About the author: Father Theodore Koehler, S.M., of the Seminaire Marianiste at the University of Fribourg, Switzerland, studied under Father Neubert

    DS_10.1177_0022034520902452 – Supplemental material for Modeling Normal and Dysbiotic Subgingival Microbiomes: Effect of Nutrients

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    Supplemental material, DS_10.1177_0022034520902452 for Modeling Normal and Dysbiotic Subgingival Microbiomes: Effect of Nutrients by D. Baraniya, M. Naginyte, T. Chen, J.M. Albandar, S.M. Chialastri, D.A. Devine, P.D. Marsh and N.N. Al-hebshi in Journal of Dental Research</p

    Large deflection analysis of a pre-stressed annular plate with a rigid boss under axisymmetric loading

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    The large deflection analysis of a pre-stressed annular plate with a central rigid boss subjected to axisymmetric loading is presented. The factors affecting the transition from plate behaviour to membrane behaviour (e.g. thickness, in-plane tension and material properties) are studied. The effect of boss size and pre-tension on the effective stiffness of the plate are investigated. The extent of the bending boundary layers at the edges of the plate are quantified. All results are presented in non-dimensional form. The design implications for microelectromechanical system components are assessed
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