Results 221 to 230 of about 352,678 (277)

Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs

Deep Underground Science and Engineering, EarlyView.
A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao, Shuheng Du, Yuan Zhang, Jinghong Hu, Bo Zhou, Yun Wei   +5 more
wiley   +1 more source

Age-related geometric analysis of the extracranial artery for endovascular access planning. [PDF]

Quant Imaging Med Surg
Park JS, Kang HG.
europepmc   +1 more source

Ultrasound diagnosis of three different types of carpal tunnel syndrome associated with persistent median artery: A case report and literature review. [PDF]

Medicine (Baltimore)
Xu W, Jin X, Liu B.
europepmc   +1 more source

Chaos of the new multiplicative logistic map. [PDF]

Sci Rep
Gao S, Kan B.
europepmc   +1 more source

Original Article--Evaluation of Radial Artery Anatomy With Various Anatomical Variants in Patients Undergoing Transradial Catheterization. [PDF]

J Saudi Heart Assoc
Desai N, Jain S, Parwani K, Vyas P, Sidatar Y.   +4 more
europepmc   +1 more source

Influence of leukocyte adhesion on partitioning of healthy and diabetic red blood cells at vascular bifurcations. [PDF]

Biophys J
LeCompte S, Bagchi P.
europepmc   +1 more source

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SHILNIKOV BIFURCATION: STATIONARY QUASI-REVERSAL BIFURCATION

International Journal of Bifurcation and Chaos, 2008
A generic stationary instability that arises in quasi-reversible systems is studied. It is characterized by the confluence of three eigenvalues at the origin of complex plane with only one eigenfunction. We characterize the dynamics through the normal form that exhibits in particular, Shilnikov chaos, for which we give an analytical prediction.
Clerc Gavilán, Marcel, Encina, Pablo C., Tirapegui Zurbano, Enrique   +2 more
openaire   +2 more sources

Periodically Perturbed Bifurcation. II. Hopf Bifurcation

Studies in Applied Mathematics, 1981
We consider the effect of a periodic perturbation on the bifurcation behavior of a system of differential equations. It is shown that periodic solutions are, in general, modified into quasiperiodic solutions. Different phenomena are encountered in resonance and near‐resonance conditions, leading in some cases to separation of solution branches and in ...
Rosenblat, S., Cohen, Donald S.
openaire   +3 more sources