Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Crossed polarizer

This model is a polar cross-/ structure with a left-handed twist that complies with the mass-per-unit-length data moreover, it readily accommodates sequence randomization because like residues are still stacked over like residues, regardless of their order, and sequence permutation does not increase the number of charged residues or prolines which would be most likely to destabilize structures of this kind (Fig. 10). The configuration of strands and turns allows some variation without putting charged residues inside the core structure. We envision that structural variations of this kind offer a plausible explanation for the phenomenon of prion variants, as discussed in Section VIII. [Pg.157]

Crop surveys Crospovidones Crossbar architectures Crossed polars Cross equation Cross-flow filtration... [Pg.261]

In this laboratory we use an SLM-Aminco 8100, equipped with Glan-Thompson polarizers. The electronics have been updated by the ISS Phoenix system. Measurements of FRET efficiency are performed under photon counting conditions, with the polarizers crossed at the magic angle (54.7°) to remove polarization artifacts. Fluctuation of lamp intensity is corrected using a concentrated rhodamine B solution as a quantum counter. [Pg.172]

Vc+ positive coercive voltage, voltage where the polarization crosses the rr-axis by increasing voltage values... [Pg.59]

Operation of the experiment requires making two separate measurements, one with the second polarizer crossed with respect to the first, and another with the second polarizer oriented parallel to the first. These two intensity measurements arc identified as Ix... [Pg.156]

WMAP also found a TE (temperature-polarization) cross-correlation. At small angles the TE amplitude was perfectly consistent with the standard picture of the recombination era. But there was also a large angle TE signal that gave an estimate for the electron scattering optical depth since reionization r = 0.17 0.04. Based on this the epoch of reionization was 200 million years after the Big Bang. [Pg.170]

Figure 1. Diagram of apparatus for picosecond fluorescence studies using streak camera detection. A laser oscillator B dye cell C output reflector D polarizer E spark gap F KDP pockels cell G polarizer (crossed with D) H clear glass beamsplitter J laser amplifier K pin photodiode L transient digitizer M,N 1054 nm reflectors P 2nd harmonic generator Q 3rd or 4th harmonic generator R spectrograph S streak camera T biplanar photodiode U image... Figure 1. Diagram of apparatus for picosecond fluorescence studies using streak camera detection. A laser oscillator B dye cell C output reflector D polarizer E spark gap F KDP pockels cell G polarizer (crossed with D) H clear glass beamsplitter J laser amplifier K pin photodiode L transient digitizer M,N 1054 nm reflectors P 2nd harmonic generator Q 3rd or 4th harmonic generator R spectrograph S streak camera T biplanar photodiode U image...
If a crystalline material is examined with the polars crossed on a microscope having a rotating stage, it is noted that the par-... [Pg.20]

Rotate the stage. Note that with the polars crossed, the fibers go to extinction every 90° and also have positions of maximum brightness 90° apart. Take note of morphology, chrysotile fibers appear to be fine and are often wavy. Amosite fibers look stiff and straight and fibrils coming off a bundle viewed at high magnification may resemble a household broom. [Pg.31]

C. Examine a portion of the sample with a polarizing microscope in polarized light under crossed Nicol prisms. The typical polarization cross is observed, except in the case of pregelatinized starches. [Pg.181]

E. Lau and A. Bacic, Capillary gas chromatography of partially methylated alditol acetates on a high-polarity, cross-linked, fused-silica BPX 70 column,./. Chromatogr., 637 (1993) 100-103. [Pg.187]

Results of adsorption experiments are presented in Table 2. In solution, TNF-a, a polypeptide with MW 17 kD, exists as a trimer with MW 51 kD. The monomeric units are kept together due to the hydrophobic interaction. From the experimental data it is clear that large mesopores play a relatively minor role in adsorption of TNF-a, as both MN resins adsorb it rather efficiently. Isoelectric point of TNFa is similar to that of serum albumin (pi between 4.8 and 5.6) [11], It has been shown that TNFa can be removed from biological media using non-polar cross-linked polystyrene adsorbents of the Amberlite type (XAD-2, XAD-4 and XAD-6) [12], This observation confirms that hydrophobic interactions play an important role in the adsorption of TNFa at neutral pH. Our data support this conclusion. [Pg.518]

SIO A highly polar cross-linked copolymer of acrylonitrite and divinylbenzene. [Pg.516]

Polarization cross very distinct beautiful play of colors with selenite plate. [Pg.79]

Polarization cross distinct but no marked play of color with selenite plate. [Pg.79]


See other pages where Crossed polarizer is mentioned: [Pg.333]    [Pg.132]    [Pg.437]    [Pg.235]    [Pg.69]    [Pg.126]    [Pg.126]    [Pg.129]    [Pg.592]    [Pg.59]    [Pg.301]    [Pg.17]    [Pg.165]    [Pg.22]    [Pg.433]    [Pg.28]    [Pg.206]    [Pg.126]    [Pg.252]    [Pg.79]    [Pg.79]    [Pg.81]    [Pg.81]    [Pg.81]    [Pg.81]   
See also in sourсe #XX -- [ Pg.46 , Pg.49 , Pg.51 , Pg.52 , Pg.117 , Pg.118 , Pg.212 , Pg.213 , Pg.218 , Pg.228 , Pg.236 , Pg.243 ]

See also in sourсe #XX -- [ Pg.181 ]




SEARCH



13C cross-polarization magic-angle spinning

13C cross-polarization-magic

13C cross-polarization/magic angle

29Si cross-polarization magic-angle

Acetal, crossed polars

Adiabatic cross-polarization

Application of the cross-polarization

Biotic Dicarboxylic Acids CCC Separation with Polar Two-Phase Solvent Systems using a Cross-Axis Coil Planet Centrifuge Kazufusa Shinomiya and Yoichiro Ito

CP/MAS (cross polarization/magic angle

Carbon-13 cross-polarization/magic

Carbon-13 cross-polarization/magic magnetic resonance spectroscopy

Carbon-13 nuclear magnetic resonance spectroscopy cross polarization

Concatenated cross-polarization

Cross Polarization Methods for Characterizing Filler Interactions

Cross polarization CP/MAS)

Cross polarization contact time

Cross polarization defined

Cross polarization differential

Cross polarization experiment

Cross polarization free radicals

Cross polarization quantitative measure

Cross polarization repetition rates

Cross polarization reverse

Cross polarization technique

Cross polarization time

Cross polarization time constant

Cross polarization —See

Cross polarization/magic angle spinning CP/MAS NMR

Cross polarization/magic angle spinning nuclear magnetic resonance spectroscopy

Cross polarization/magic angle spinning spectra

Cross polarized microscopy

Cross polarizer optical micrographs

Cross relaxation-enhanced polarization

Cross relaxation-enhanced polarization transfer

Cross-Polarization Origin of the Nuclear Overhauser Effect

Cross-correlated relaxation-enhanced polarization transfer

Cross-correlated relaxation-induced polarization

Cross-correlated relaxation-induced polarization transfer

Cross-linked polymers microenvironment polarity

Cross-linked polymers polarity

Cross-polarization

Cross-polarization (CP)

Cross-polarization NMR

Cross-polarization aligned samples

Cross-polarization and magic angle sample

Cross-polarization and magic angle sample spinning

Cross-polarization and magic-angle

Cross-polarization and magic-angle spinning

Cross-polarization build

Cross-polarization contact

Cross-polarization contact carbons

Cross-polarization contact transfer time, spin-lock

Cross-polarization dynamic processes

Cross-polarization dynamics

Cross-polarization efficiency

Cross-polarization experiment basic pulse sequence

Cross-polarization experiment contact time

Cross-polarization experiment magnetization calculation

Cross-polarization experiment polymer blends

Cross-polarization experiment quantitative applications

Cross-polarization experiment relaxation mechanisms

Cross-polarization experiment resonance assignments

Cross-polarization experiment with contact time

Cross-polarization from

Cross-polarization heteronuclear shift

Cross-polarization magic

Cross-polarization magic angle magnetic resonance

Cross-polarization magic angle resonance spectroscopy

Cross-polarization magic angle spinning CP-MAS)

Cross-polarization magic angle spinning NMR

Cross-polarization magic angle spinning amorphous solids

Cross-polarization magic angle spinning carbon-13 nuclear

Cross-polarization magic angle spinning polymorphism

Cross-polarization magic angle spinning quantitative analysis

Cross-polarization magic-angle spinning CPMAS)

Cross-polarization magic-angle spinning NMR spectroscopy

Cross-polarization magic-angle spinning molecular structure studies

Cross-polarization magic-angle spinning techniques

Cross-polarization nanoparticles

Cross-polarization population transfer experiments

Cross-polarization pulse sequences

Cross-polarization quantification

Cross-polarization sensitivity enhancement

Cross-polarization system

Cross-polarization techniques nuclear magnetic resonance

Cross-polarization techniques solid-state nuclear magnetic resonance

Cross-polarization techniques spectroscopy

Cross-polarization with magic angle spinning

Cross-polarization, solid sample

Cross-polarization-dipole decoupling

Cross-polarization-magic angle cellulose

Cross-polarization-magic angle measurements

Cross-polarization-magic angle solid carbohydrates

Cross-polarization-magic angle spinning CP/MAS) technique

Cross-polarization-magic angle spinning application

Cross-polarization-magic angle structural analysis

Cross-polarization/magic angle

Cross-polarization/magic-angle spinning

Cross-polarization/magic-angle spinning resonance

Cross-polarized light microscopy

Cross-polarized optical microscopy

Cross-polarized radiation

Cross-polarized/magic angle spinning

Crossed polarizers

Crossed polarizers

Crossed polarizers example

Crossed polarizers systems

Crossed polars

Crossed polars

Crossed-polarized light

Differential scattering cross-section polarizations

Dipolar recoupling cross-polarization

Double-cross-polarization

Efficiency of cross-polarization

Example Analysis Crossed Polarizer Experiment

Frequency-dependent dipolar cross-polarization

Hartman-Hahn cross polarization

Hartmann cross polarization

Hartmann-Hahn cross polarization

I3C cross-polarization

Inversion-recovery cross-polarization

J cross-polarization

Lee—Goldburg cross-polarization

Light leakage of crossed polarizers at oblique view

Light scattering, cross-polarized

Line narrowing cross-polarization

MQMAS cross-polarization

Multiple cross-polarization

Nuclear Magnetic Resonance, cross polarization magic angle spinning

Nuclear magnetic resonance cross-polarization

Nuclear magnetic resonance spectroscopy cross-polarization

Overcoming Long 7 Cross Polarization

Photographs using crossed polarizers

Polarization Control of Differential Cross Sections

Polarization cross-relaxation

Polarization effects cross-sections

Polarization transfer cross-relaxation-induced

Polarized light microscopy crossed polarizers

Polyethylene with cross-polarization

Quantitative analysis, cross-polarization

Radical polar cross-over

Radical polar cross-over reactions

Reporter molecule, cross-polarization

Single cross-polarization

Single-quantum cross-polarization

Solids cross-polarization

Spectroscopy cross polarized magic-angle

The Crossed Polarizer System

Thermal microscopy cross polarization

Transfer time, spin-lock cross-polarization

Variable Amplitude Cross-Polarization

Variable Amplitude Cross-Polarization VACP)

© 2019 chempedia.info