نتایج جستجو برای: magnetic device
تعداد نتایج: 989267 فیلتر نتایج به سال:
We present a novel device for the characterisation of static magnetic fields through monitoring wavelength shifts of femtosecond inscribed fibre Bragg grating and micromachined slot, coated with Terfenol-D. The device was sensitive to static magnetic fields and can be used as a vectoral sensor for the detection of magnetic fields as low as 0.046 mT with a resolution of ± 0.3mT in transmission a...
The paper deals with the design and optimization of a novel magnetic switchable device based on Halbach array. The magnetic field in air gap is adjustable by rotating the center axis of adhesion mechanism so that the magnetic adhesion force is variable, and it is convenient for device to adsorb on and detach from the ferromagnetic workpiece or surface. The magnetic field model is established by...
ABSTRACT We demonstrate a droplet-based microfluidic device in which in-droplet magnetic bead separation is performed in continuous-flow. Two droplets containing different solution for the magnetic bead separation are generated in pair-wise manner. Sequential fusion of droplets occurs by a geometrical structure. The magnetic beads are deflected by externally applied magnetic force from one side...
Current macro- and microfluidic approaches for the isolation of mammalian cells are limited in both efficiency and purity. In order to design a robust platform for the enumeration of a target cell population, high collection efficiencies are required. Additionally, the ability to isolate pure populations with minimal biological perturbation and efficient off-chip recovery will enable subcellula...
A magnetic refrigeration test device has been built and tested. The device allows variation and control of many important experimental parameters, such as the type of heat transfer fluid, the movement of the heat transfer fluid, the timing of the refrigeration cycle, and the magnitude of the applied magnetic field. An advanced two-dimensional numerical model has previously been implemented in o...
A. Adhyatman‡, G. Arrowsmith-Kron‡, K. Boyle†, R. Bruce‡, K. Capobianco-Hogan‡, R. Cervantes‡, J. Chang‡, B. Coe‡, K. Dehmelt‡, A. Deshpande‡∗, N. Feege‡∗, Y. Goto§, R. Gupta¶, S. Jeffas‡, T. K. Hemmick‡, P. Karpov‡, Y. Ko‡, T. Krahulik‡, J. LaBounty‡, T. LaByer‡, R. Lefferts‡, A. Lipski‡, R. Losacco‡, S. Mahmud‡, E. Michael‡, I. Nakagawa§, J. Nam‡, A. Oliveira‡, B. Parker¶, V. Ptitsyn¶, A. Qua...
Insomnia is one of the most common sleep disorders, characterized by difficulties in sleep initiation, sleep maintenance or early morning awakening. Sleepiness is also such issues that associated with driving accidents, work accidents, and reduces efficiency and numerous interpersonal difficulties. The aim of the present study is to evaluate the severity of insomnia and sleepiness workers who w...
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