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Recent Advances in Shock Vibration Isolation: An Overview and Future Possibilities
(2019-01-01)
Mechanical shock is a common problem that is present in many situations, such as ground motion, blast, explosions, crash, and impact. The development of passive, active, or adaptive control and isolation strategies for ...
On the effects of mistuning a force-excited system containing a quasi-zero-stiffness vibration isolator
(Asme, 2015-08-01)
Nonlinear isolators with high-static-low-dynamic-stiffness have received considerable attention in the recent literature due to their performance benefits compared to linear vibration isolators. A quasi-zero-stiffness (QZS) ...
Evaluation of the pathogenicity and immunogenicity of seven paracoccidioides brasiliensis isolates in susceptible inbred mice
(1989-01-01)
In this investigation the pathogenicity and immunogenicity of seven isolates of Paracoccidioides brasiliensis were compared. The pathogenicity of each isolate was determined by 50% lethal dose estimations and histopathology ...
An Alternative Approach to Substructuring in Vibratory Systems Containing Soft Rubber Isolators
(Asme, 2019-12-01)
Built-up structures, such as airplanes, ships, and even refrigeration systems, which have many components, can be substructured to speed up and facilitate the process of calculating the vibratory response of the complete ...
On the shock performance of a nonlinear vibration isolator with high-static-low-dynamic-stiffness
(Elsevier B.V., 2014-04-01)
The vibration isolation characteristics of a high-static-low-dynamic-stiffness (HSLDS) isolator, which has geometrically nonlinear stiffness, have been well established both theoretically and experimentally in the recent ...
High-static-low-dynamic-stiffness vibration isolation enhanced by damping nonlinearity
(2018-01-01)
High-static-low-dynamic-stiffness (HSLDS) nonlinear isolators have proven to have an advantage over linear isolators, because HSLDS nonlinear isolators allow low-frequency vibration isolation without compromising the static ...
An investigation of a two-stage nonlinear vibration isolation system
(2013-03-18)
This paper investigates the most desirable configuration of a two-stage nonlinear vibration isolation system, in which the isolators contain hardening geometric stiffness nonlinearity and linear viscous damping. The force ...
Pathogenicity, colony morphology and diversity of isolates of Guignardia citricarpa and G-mangiferae isolated from Citrus spp.
(Springer, 2008-02-01)
In the present study, the pathogenicity of 36 isolates of Guignardia species isolated from asymptomatic 'Tahiti' acid lime fruit peels and leaves, 'Pera-Rio' sweet orange leaves and fruit peel lesions, and a banana leaf ...
Genotyping of Brazilian Giardia duodenalis human axenic isolates
(Universidade Estadual Paulista (Unesp), Centro de Estudos de Venenos e Animais Peçonhentos (CEVAP), 2011-01-01)
Giardia duodenalis is a complex species that comprises at least seven distinct genetic groups (A to G), but only genotypes A and B are known to infect humans and a wide variety of other mammals. Regardless of biological, ...
Genotyping of Brazilian giardia duodenalis human axenic isolates
(2011-01-01)
Giardia duodenalis is a complex species that comprises at least seven distinct genetic groups (A to G), but only genotypes A and B are known to infect humans and a wide variety of other mammals. Regardless of biological, ...