نتایج جستجو برای: phase lag

تعداد نتایج: 617293  

Journal: :Applied Numerical Mathematics 2021

In the last twenty years, analysis of problems involving dual-phase-lag models has received an increasing attention. this work, we consider coupling between one these and microtemperatures effects. order to overcome infinite speed paradox, two relaxation parameters are introduced for each evolution equation related temperature microtemperatures, leading a system linear hyperbolic partial differ...

Journal: :Journal of bacteriology 1955
S R KHAMBATA J V BHAT

Salmonella typhimurium, Salmonella pullorum, and Micrococcus pyogenes var. aureus) were compared using the above method with Hinshelwood's "Apparent Lag" method. Both methods gave results in close agreement when used on nonfrozen cells, but on defrosted cells, the Relative Lag method was superior. The use of the Relative Lag method was advantageous in that: (1) the physiological condition of ce...

Journal: :Plant physiology 1971
H Lange W Shropshire H Mohr

Phytochrome (far red form) alone can mediate anthocyanin synthesis in the mustard seedling (Sinapis alba L.). Complete photoreversibility and reciprocity, for both red and far red light exposures over a period of at least 5 minutes, demonstrate this phytochrome involvement.The duration of the initial lag-phase is constant (about 3 hours at 25 C) for seedlings more than 30 hours old and is speci...

Journal: :Environmental science & technology 2001
C Liu J M Zachara Y A Gorby J E Szecsody C F Brown

The influence of Fe(II) on the dissimilatory bacterial reduction of an Fe(III) aqueous complex (Fe(III)-citrate(aq)) was investigated using Shewanella putrefaciens strain CN32. The sorption of Fe(II) on CN32 followed a Langmuir isotherm. Least-squares fitting gave a maximum sorption capacity of Qmax = 4.19 x 10(-3) mol/10(12) cells (1.19 mmol/m2 of cell surface area) and an affinity coefficient...

Journal: :Automatica 2012
Bin Zhou Zongli Lin James Lam

This note is concerned with the problem of semi-globally stabilizing a linear system with an input delay and a constraint on the energy of its input. Under the condition of null controllability with vanishing energy, the parametric Lyapunov equation based L2 low gain feedback is adopted to solve the problem. The proposed approach is applied to the linearized model of the relative motion in the ...

Journal: :Kybernetika 1986
Mohsen Razzaghi

The pole assignment method for non-delay multivariable systems has received a great deal of attention for designing feedback controllers to achieve desired objectives [1], [2]. Suh and Bien [3] have considered a root locus technique for linear systems with time-delay. Here is an attempt to present a pole assignment method for multi-input systems with input delay. The single-input system with de...

Journal: :Fluids 2022

Significant research efforts have been devoted in the past decades to accurately modelling complex heat transfer phenomena within biological tissues. These modeling and analysis assisted a better understanding of intricacies associated factors that affect treatment outcomes hyperthermic therapeutic procedures. In this contribution, we report three-dimensional non-Fourier bio-heat model cardiac ...

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