Results 231 to 240 of about 1,778,097 (289)
Advanced Engineering Materials, EarlyView.A numerical–experimental framework is developed for characterizing multi‐matrix fiber‐reinforced polymers (MM‐FRPs) combining epoxy and polyurethane matrices. Harmonic bending tests are integrated with finite element model updating (FEMU) to simultaneously identify elastic and viscoelastic material parameters.
Rodrigo M. Dartora +4 more
wiley +1 more source
Additive Gaussian Process Regression for Predictive Design of High‐Performance, Printable Silicones
Advanced Engineering Materials, EarlyView.A chemistry‐aware design framework for tuning printable polydimethylsiloxane (PDMS) for vat photopolymerization (VPP) is developed using additive Gaussian process (GP) modeling. Polymer network mechanics informs variable groupings, feasible formulation constraints, and interaction variables.
Roxana Carbonell +3 more
wiley +1 more source
[Ultracentrifugation in density gradient].
Postepy higieny i medycyny doswiadczalnej, 1968 openaire +1 more source
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Chemical Reviews, 1963
The most sensitive and simplest method for determining minute changes in density is the density gradient column technique, which is capable of detecting density differences as small as 10/sup -7/ g/cc. A review is presented of the theory and formation of the gradient, the movement of the test object in the gradient, and the applications of the ...
Gerald Oster, Masahide Yamamoto
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The most sensitive and simplest method for determining minute changes in density is the density gradient column technique, which is capable of detecting density differences as small as 10/sup -7/ g/cc. A review is presented of the theory and formation of the gradient, the movement of the test object in the gradient, and the applications of the ...
Gerald Oster, Masahide Yamamoto
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Prolonging Density Gradient Stability
Langmuir, 2009For bottom-up particle fabrication, separation of complex particle assemblies from their precursor colloidal building blocks is critical to producing useable quantities of materials. The separations are often done using a density gradient sedimentation due to its simplicity and scalability.
Huda A, Jerri +3 more
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Analytical Biochemistry, 1972
Abstract The hydrodynamic artifacts of turning over and droplet formation associated with isopycnic swinging-bucket rotor centrifugation have been virtually eliminated by increasing the viscosity of the layering solution. A 0.25% DNA solution was utilized for this purpose.
R.C. Leif +4 more
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Abstract The hydrodynamic artifacts of turning over and droplet formation associated with isopycnic swinging-bucket rotor centrifugation have been virtually eliminated by increasing the viscosity of the layering solution. A 0.25% DNA solution was utilized for this purpose.
R.C. Leif +4 more
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1990
Publisher Summary This chapter discusses the expansion of the exchange and correlation energy density functional. It presents recent developments with regard to first principle derivations of the coefficients of these expansions. It also deals with an analysis of these expansions based on a study of the corresponding Fermi and Coulomb hole charge ...
Leonard Kleinman, Viraht Sahni
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Publisher Summary This chapter discusses the expansion of the exchange and correlation energy density functional. It presents recent developments with regard to first principle derivations of the coefficients of these expansions. It also deals with an analysis of these expansions based on a study of the corresponding Fermi and Coulomb hole charge ...
Leonard Kleinman, Viraht Sahni
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Rapid, preparative, density-gradient electrophoresis
Analytical Biochemistry, 1961Abstract A density-gradient electrophoresis apparatus is described, which has a fractionator that can cut the liquid column of the apparatus into small segments. This permits the clean separation of electrophoretic components without the use of a solid supporting medium. A sample run is presented showing the efficiency of the fractionator and showing
G L, CHOULES, R, BALLENTINE
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Density gradient quantum similarity
AIP Conference Proceedings, 2012Computation of density gradient quantum similarity integrals is analyzed, while comparing such integrals with overlap density quantum similarity measures. Gradient quantum similarity corresponds to another kind of numerical similarity assessment between a pair of molecular frames, which contrarily to the usual up to date quantum similarity definitions ...
Ramon Carbó-Dorca, Luz Dary Mercado
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Density-Gradient Centrifugation
1998In some cases, further separation of virus from the plant contaminants can be achieved by placing the clarified extract on top of a small volume of a sucrose solution in a centrifuge tube, the so-called sucrose cushion. Although the higher viscosity of the sucrose solution delays the virions reaching the bottom, the plant contaminants may be slowed ...
Jeanne Dijkstra, Cees P. de Jager
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