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The Investigation of Rotary Bending Fatigue Properties of 4Cr14Ni14W2Mo Engine Valve Steel Processed by Surface Mechanical Rolling Treatment. [PDF]
Materials (Basel)Sun G, Liu Z, Yuan Z, Qu R, Lai F.
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SAE Technical Paper Series, 1995
<div class="htmlview paragraph">Increased thermal efficiency for spark ignition engines is studied experimentally using computer simulation of a three phase heat release model. Various compression ratios, combined with advanced multiple-direct-injection techniques, are researched in an effort to extend the effectiveness of current engine designs ...
Douglas C. Kruse, Robert A. Yano
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<div class="htmlview paragraph">Increased thermal efficiency for spark ignition engines is studied experimentally using computer simulation of a three phase heat release model. Various compression ratios, combined with advanced multiple-direct-injection techniques, are researched in an effort to extend the effectiveness of current engine designs ...
Douglas C. Kruse, Robert A. Yano
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Physical Review E, 1994
A recent method of Delamotte [Phys. Rev. Lett. 70, 3361 (1993)] for obtaining approximate analytic expressions for the loci of limit cycles in one variable is applied to coupled nonlinear first-order rate equations in several variables, the typical case for most models based on chemical kinetics.
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A recent method of Delamotte [Phys. Rev. Lett. 70, 3361 (1993)] for obtaining approximate analytic expressions for the loci of limit cycles in one variable is applied to coupled nonlinear first-order rate equations in several variables, the typical case for most models based on chemical kinetics.
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Foliation without limit cycles
Mathematical Notes of the Academy of Sciences of the USSR, 1971The following theorem is proved for a closed manifold M with an oriented foliated structure of codimension 1 without limit cycles, supplemented by a foliation of one-dimensional normals: if every normal in M intersects every leaf, the same is true of the induced foliation on M (a universal covering of M).
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2014
Dynamical approaches to biological systems emphasize the qualitative nature of the time-dependent behaviors that can be observed as parameter values are changed. If the important parameters can be identified, then they can be manipulated experimentally.
John Milton, Toru Ohira
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Dynamical approaches to biological systems emphasize the qualitative nature of the time-dependent behaviors that can be observed as parameter values are changed. If the important parameters can be identified, then they can be manipulated experimentally.
John Milton, Toru Ohira
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Limit Cycles in Random Environments
SIAM Journal on Applied Mathematics, 1977We analyze simple predator-prey models in stochastic environments by a perturbational approach near bifurcating regimes. We obtain the stationary probability distribution for the radial variable, even when the system is on a limit cycle. The basic technique involves an adaptation of the method of averaging to take account of random fluctuations.
Lin, Juan, Kahn, Peter B.
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