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Skip to Main Content. A not-for-profit organization, IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity. Use of this web site signifies your agreement to the terms and conditions.

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Take Stuart's new mini centrifuge for a spin Stuart extends its excellent range of benchtop science equipment with the new SCF1 Spinner, for centrifugation of microfuge tubes at 6,rpm. This small, lightweight unit couldn't be easier to use. Two rotors are supplied: microtube for up to 8 x 1.

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Hello, everyone! This is a really brilliant, simple, satisfying pattern, and I just love how it turned out. I decided to echo the white lines on the front in the backing of the quilt, which was just enough to let me use a single cut of Kona cotton a little under 2 yards to back this quilt — but it was iffy in places, and if I did it again, I might opt to give myself a little more wiggle room.

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The elementary particles known as fermions electron, muon, tau and u, d, c, s, b, t quarks and their antiparticles are the constituents of matter. It does not matter what the energy of the fermion is; a fermion always imparts the same amount of spin angular momentum when it interacts. A gauge boson also imparts a constant spin angular momentum independent of its energy.

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Spin Personal Benchtop Centrifuges are a must-have tool for every laboratory. Each mini centrifuge is supplied complete with a rotor for standard microtubes and adapters for smaller tubes as well as a rotor for PCR strips and individual 0. Spin mini centrifuges are perfect for a variety of applications, including quick spin downs, microfiltration and low speed separations.

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Spin-Cherenkov effect enables strong excitations of spin waves SWs with nonlinear wave dispersions. In this work, we study the effect of the interfacial DMI on SW Cherenkov excitations in permalloy thin-film strips within the framework of micromagnetism. By performing micromagnetic simulations, it is shown that coherent SWs are excited when the velocity of a moving magnetic source exceeds the propagation velocity of the SWs.

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With 48 hours to go before the start of the first Test, the pitch at the Gaddafi stadium yesterday morning was having the last residue of moisture sucked from it by the sun. Normally, the locals tell you, top-flight surfaces are produced here that help the pace bowlers in the morning when the dew still lingers. It usually has an early clamminess to it that allows the batsmen their pound of flesh for a couple of days, and then the spinners come into play.

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The spin- 1 2 Heisenberg model on a kagome lattice is a typical frustrated quantum spin system. The basic structure of a kagome lattice is also present in the kagome-strip lattice in one dimension, where a similar type of frustration is expected. We thus study the magnetization plateaus of the spin- 1 2 Heisenberg model on a kagome-strip chain with three-independent antiferromagnetic exchange interactions using the density-matrix renormalization-group method.

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