
Polarization light curves and position angle variation of beamed
... The scenario proposed above for the polarization behaviour has a strict and direct link with the behaviour of the light curve of the total flux. The exact connection will depend on the specific model assumed for the deceleration of the fireball (i.e. homogeneous or radially distributed density of th ...
... The scenario proposed above for the polarization behaviour has a strict and direct link with the behaviour of the light curve of the total flux. The exact connection will depend on the specific model assumed for the deceleration of the fireball (i.e. homogeneous or radially distributed density of th ...
Recycling of the used cooking oils as corrosion inhibitors
... The potential of steel electrode was measured against saturated calomel electrode (SCE) in 1 M HCl solution in absence and presence of different concentrations of the inhibitor at 30 °C. All measurements were carried out using Multi-tester until the steady-state potentials are reached. Temperature e ...
... The potential of steel electrode was measured against saturated calomel electrode (SCE) in 1 M HCl solution in absence and presence of different concentrations of the inhibitor at 30 °C. All measurements were carried out using Multi-tester until the steady-state potentials are reached. Temperature e ...
Laser Beams and Resonators
... (11) one arrives at differential equations for g and h of the form d2 Hm dx2 ...
... (11) one arrives at differential equations for g and h of the form d2 Hm dx2 ...
Laboratory Manual
... lot of fun. But chemistry can also be dangerous, and getting hurt is definitely not fun! For this reason there are safety rules to follow and protective equipment to know its location and how to use it. This manual has “Green Chemistry” in the title. This means that when compared to similar experime ...
... lot of fun. But chemistry can also be dangerous, and getting hurt is definitely not fun! For this reason there are safety rules to follow and protective equipment to know its location and how to use it. This manual has “Green Chemistry” in the title. This means that when compared to similar experime ...
Kogelnik and Li
... where hl and hz are the distances of the principal planes from the input and output planes as shown in Fig. 1. In Table I there are listed the ray transfer matrices of six elementary optical structures. The matrix of No. 1 describes the ray transfer over a distance d. No. 2 describes the transfer of ...
... where hl and hz are the distances of the principal planes from the input and output planes as shown in Fig. 1. In Table I there are listed the ray transfer matrices of six elementary optical structures. The matrix of No. 1 describes the ray transfer over a distance d. No. 2 describes the transfer of ...
Adsorption studies of cyanide onto activated carbon
... been used to describe the internal structures and adsorption capacities of activated carbons [20]. The highly active surface properties of the activated carbon are attributed to the chemical functional groups and the internal surface areas, which typically range from 500 to 3000 m2/g [21]. The effec ...
... been used to describe the internal structures and adsorption capacities of activated carbons [20]. The highly active surface properties of the activated carbon are attributed to the chemical functional groups and the internal surface areas, which typically range from 500 to 3000 m2/g [21]. The effec ...
DFB Quantum Cascade Laser Arrays The Harvard community has
... operation at room temperature [3], [4]. QCLs can be grown by metal–organic vapor phase epitaxy (MOVPE) [5] with quality comparable to the best devices grown by molecular beam epitaxy (MBE). Moreover, they can be designed with broadband gain, with full-width at half-maximum (FWHM) of more than 300 cm ...
... operation at room temperature [3], [4]. QCLs can be grown by metal–organic vapor phase epitaxy (MOVPE) [5] with quality comparable to the best devices grown by molecular beam epitaxy (MBE). Moreover, they can be designed with broadband gain, with full-width at half-maximum (FWHM) of more than 300 cm ...
Distributed Temperature Sensing Using Stimulated
... CW light passes through a single-mode fiber with a length of La and is transmitted into a onedimensional FBG sensing array via a 1 ⫻ 2 fiber coupler. Five FBGs that have the same reflection spectra as the reference one but much lower reflectivity are connected in serial to form a sensing array. When ...
... CW light passes through a single-mode fiber with a length of La and is transmitted into a onedimensional FBG sensing array via a 1 ⫻ 2 fiber coupler. Five FBGs that have the same reflection spectra as the reference one but much lower reflectivity are connected in serial to form a sensing array. When ...
Design of Thermoresponsive Polymers with
... from poly(2-vinyl-4,4-dimethylazlactone) (pVDMA) with tunable lower and upper critical solution temperatures (LCST and UCST) are presented. A RAFT-made pVDMA precursor was reacted with mixtures of zwitterionic sulfopropylbetaine (SPB) amine or sulfobutylbetaine (SBB) amine, tetrahydrofurfurylamine ( ...
... from poly(2-vinyl-4,4-dimethylazlactone) (pVDMA) with tunable lower and upper critical solution temperatures (LCST and UCST) are presented. A RAFT-made pVDMA precursor was reacted with mixtures of zwitterionic sulfopropylbetaine (SPB) amine or sulfobutylbetaine (SBB) amine, tetrahydrofurfurylamine ( ...
Unit 7 Reaction Rates and Equilibrium Notes
... Le Châtelier’s Principle: - a qualitative method to predict the shift on an equilibrium system if it is disturbed by means of changing concentration, pressure and temperature. - the equilibrium will shift in the direction that minimizes the change imposed on the system. 1. Effects of a Change in Con ...
... Le Châtelier’s Principle: - a qualitative method to predict the shift on an equilibrium system if it is disturbed by means of changing concentration, pressure and temperature. - the equilibrium will shift in the direction that minimizes the change imposed on the system. 1. Effects of a Change in Con ...
Label-free super-resolution imaging of adenoviruses by submerged
... Demonstration of super-resolution imaging by SMON To demonstrate the super-resolution capability of large-microsphere (100 mm) SMON and to calibrate the imaging system, a Blu-Ray DVD disk with approximately 100-nm line spacing was imaged using an optical microscope (503, NA50.75) with a 100-mm diame ...
... Demonstration of super-resolution imaging by SMON To demonstrate the super-resolution capability of large-microsphere (100 mm) SMON and to calibrate the imaging system, a Blu-Ray DVD disk with approximately 100-nm line spacing was imaged using an optical microscope (503, NA50.75) with a 100-mm diame ...
SECOND HARMONIC GENERATION OF CHIRAL-MODIFIED SILVER NANOPARTICLES
... of silver nanoparticles (Ag NPs) modified by either L-Cysteine (L-C) or D-Cysteine (D-C) is observed, where L-Cysteine and D-Cysteine are a pair of enantiomers. Ag NPs are deposited through Vacuum Thermal Evaporation, controlled under different deposition thicknesses. UV-Vis/IR spectra and AFM are u ...
... of silver nanoparticles (Ag NPs) modified by either L-Cysteine (L-C) or D-Cysteine (D-C) is observed, where L-Cysteine and D-Cysteine are a pair of enantiomers. Ag NPs are deposited through Vacuum Thermal Evaporation, controlled under different deposition thicknesses. UV-Vis/IR spectra and AFM are u ...
Measuring amplitude and phase in optical fields with
... The goals of this work are several. The first is the contribution to the understanding of optical fields. In scanning near-field optical microscopy, the field generated by an object, especially by sub-wavelength objects, is different from the object itself. In general, rigorous diffraction theory is ...
... The goals of this work are several. The first is the contribution to the understanding of optical fields. In scanning near-field optical microscopy, the field generated by an object, especially by sub-wavelength objects, is different from the object itself. In general, rigorous diffraction theory is ...
Laser cooling and trapping of atoms
... atomic motion must also include a “random walk” component. This can be described as a diffusion of the atomic momenta in momentum space, similar to Brownian motion in real space. The evolution of the momentum distribution in such circumstances is described by the FokkerPlanckequation, and it can be ...
... atomic motion must also include a “random walk” component. This can be described as a diffusion of the atomic momenta in momentum space, similar to Brownian motion in real space. The evolution of the momentum distribution in such circumstances is described by the FokkerPlanckequation, and it can be ...
Physical determinants of the self
... through the assembly of proteins into functional complexes. A particularly common form of protein selfassembly is that leading to linear filaments. These structures are widely used in nature, for instance as the basis of the cytoskeleton. Once formed, the vast majority of functional protein assembli ...
... through the assembly of proteins into functional complexes. A particularly common form of protein selfassembly is that leading to linear filaments. These structures are widely used in nature, for instance as the basis of the cytoskeleton. Once formed, the vast majority of functional protein assembli ...
Ultraviolet–visible spectroscopy

Ultraviolet–visible spectroscopy or ultraviolet-visible spectrophotometry (UV-Vis or UV/Vis) refers to absorption spectroscopy or reflectance spectroscopy in the ultraviolet-visible spectral region. This means it uses light in the visible and adjacent (near-UV and near-infrared [NIR]) ranges. The absorption or reflectance in the visible range directly affects the perceived color of the chemicals involved. In this region of the electromagnetic spectrum, molecules undergo electronic transitions. This technique is complementary to fluorescence spectroscopy, in that fluorescence deals with transitions from the excited state to the ground state, while absorption measures transitions from the ground state to the excited state.