Results 231 to 240 of about 340,239 (301)

Gel Microparticles Based on Polymeric Sulfonates: Synthesis and Prospects for Biomedical Applications. [PDF]

Int J Mol Sci
Iakobson OD, Ivan'kova EM, Nashchekina Y, Shevchenko NN.   +3 more
europepmc   +1 more source

Synthesis and Characterization of Bioactive Oligoitaconates with Amino Acid Functional Groups for Tissue Engineering. [PDF]

Int J Mol Sci
Chrószcz-Porębska M, Waśkiewicz S, Gołofit T, Gadomska-Gajadhur A.   +3 more
europepmc   +1 more source

Theoretical prediction for monitoring Jahn-Teller vibrational evolution using real-space tip-enhanced Raman imaging. [PDF]

Nat Commun
Yu HZ, Han RL, Chu D, Li Y, Dong XR, Zhang Y, Wang L, Song Y, Wang CK, Xie Z, Duan S.   +10 more
europepmc   +1 more source

Physicochemical, Structural, Molecular, and Thermal Characterization of <i>Fucus vesiculosus</i> Extract-Based Nanofibrous Mats. [PDF]

ACS Omega
Bildik F.
europepmc   +1 more source

Functionalized magnetic nanoparticles with deep eutectic solvents as efficient catalyst for the green synthesis of dihydroquinazolinones. [PDF]

Sci Rep
Valipour Z, Hosseinzadeh R, Sarrafi Y, Maleki B.   +3 more
europepmc   +1 more source

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The Free Vibrations of Grillages

Journal of Applied Mechanics, 1959
Abstract Frequency equations and modal shapes are derived for the transverse vibrations of beam grillages consisting of two sets of equally spaced uniform beams, the mass of the beams and associated plating being taken as lumped at the nodes.
Ellington, J. P., McCallion, H.
openaire   +2 more sources

On the Nonlinear Vibrations of Free-Free Beams

Journal of Applied Mechanics, 1971
A nonlinear partial differential equation which describes the natural free-free vibrations of beamlike structures is derived, and then solved approximately by reduction to a nonlinear ordinary differential equation through the use of the Duffing and Ritz-Kantorovich methods.
Hu, K.-K., Kirmser, P. G.
openaire   +1 more source

Free-Free Vibration Extraction From Available Vibration Data

Recent Advances in Solids and Structures, 2000
Abstract This paper presents a procedure for identifying the free-free vibration data of a structure from the available vibration data of the same structure with boundary conditions. For a structure in a mechanical system, depending upon the dynamic formulation used, we may need a set of free-free modal data or a set of constrained modal
openaire   +1 more source

Vibrations of Free Rectangular Plates

Proceedings of the Physical Society. Section B, 1949
Records theta are given of the normal vibrating modes and frequencies of free rectangular plates between the limiting shapes of the bar and the square. The nodal systems, which in general consist of straight lines parallel to the sides, are, from considerations of symmetry, divided into four classes.
openaire   +1 more source

Free Vibration of Skewed Bridges

Journal of Vibration and Control, 2001
Determination of period of vibration is an essential step in understanding the seismic behavior of bridges. In this paper, an analytical solution for the free vibration problem of slab-beam, single-span skewed bridges is derived. It is assumed that the deck acts as a rigid diaphragm, but the effects of cross-frame and elastomeric bearing stiffnesses ...
openaire   +2 more sources