absorption line
Fast Laser Spectroscopy: Dynamical Absorption Line
... the line shape is, in principle, unrepeatable, asymmetric, and chaotically modulated at each new ...composite line profile is sharper at the top as compared with a Lorentzian one and wider near the ...
14
The 21 SPONGE H I Absorption Line Survey I The Temperature of Galactic H I
... cm Absorption- Line Survey detected absorption from gas with excitation temperatures of ∼ 10 – 600 K and inferred that ∼ 48% of the remaining material detected only in emission ( ...cm ...
25
Investigating the Environment of Mg II Absorption Line Systems With the Sloan Digital Sky Survey
... II absorption line systems found in the CORALS radio QSO survey and those found along the line of sight to magnitude limited optical QSO surveys; they find that the number of Mg II systems found per ...
239
Recovery of absorption line shapes with correction for the wavelength modulation characteristics of DFB lasers
... absolute absorption line shapes, using a no-gas background or a non-absorbing baseline for normalization that is pro- portional to the IM output from the laser [3], [4], [17] – ...the line shape, due ...
18
The SAMI Galaxy Survey : Data Release Two with absorption line physics value added products
... final line fluxes for the 1- to 3-component ...similar line fluxes to those found in DR1, but with better constraints in spaxels with low-S/N continua, and some systematic offsets in galaxies with ...
21
Polarization and Structure of Broad Absorption Line Quasi-Stellar Objects
... Similar phenomena are observed in broad-line radio galaxies (Cohen et al., 1998). The difference in line polarization between Seyfert ls and QSO suggests that the BELR and scatterin[r] ...
222
Coherent Resonance of Saturated Absorption in Spectroscopy of Counterpropagating Waves
... saturated absorption line shapes, calculated for two values of splitting of the upper levels and a number of values of the atomic transition parameters are ...Doppler line width the resonance is ...
6
Spatially resolved eastward winds and rotation of HD 189733b
... stellar line pro fi le observed with HARPS is integrated over the entire disk of the star, and the natural line pro fi le is broadened by macroturbulence and the rotational velocity of the ...natural ...
6
The feasibility of water vapor sounding of the cloudy boundary layer using a differential absorption radar technique
... absorption line. The closer the frequencies are to the absorbing line the greater the signal-to-noise would be and we note that application of the technique from an aircraft or ground-based platform ...
15
What Do We Know About Technical Assistance? Enhancing the Science and Practice of Technical Assistance via a Research Synthesis
... 21-cm absorption line, and/or detections of molecules in mm and radio observations (Wiklind and Combes, 1996; Wiklind and Combes, 1998; Menten et ...
78
Boundary-layer water vapor profiling using differential absorption radar
... gaseous absorption line to probe the frequency-dependent optical depth between two points along the radar line-of- ...the absorption line center, the hydrometeor scattering properties ...
13
The spectroscopy of alkali fluorides containing hexavalent uranium
... Crystals used in this study had either 0.005 at.% or 0.01 at.% of uranium and were grown in oxidising atmospheres, except the reference crystals which were the undoped LiF and NaF crystals grown in air. The crystals were ...
213
On-line pre-concentration of arsenic compounds by dynamic ph junction-capillary electrophoresis
... The percentage recoveries of spiked soil and chicken manure samples upon application of the dynamic pH junction method as an on-line pre-concentration method combined with the well developed solid phase extraction ...
34
Influence of External Magnetic Field on the Microwave Absorption Properties of Carbonyl Iron and Polychloroprene Composites Film
... It reveals that the real part of relative complex permeability (µ′) indicates an abrupt decrease from 4.49 to 0.84 over the range of 2.0~18.0 GHz for the domain-wall motion and relaxation as the frequency increases. ...
8
Feedback from winds and supernovae in massive stellar clusters - II. X-ray emission
... dashed line 900 yrs after the explosion indicates when the luminosity is dominated by the interac- tions of the ejectra with surroundng gas, and thus no longer affected by the explosion ...
22
Bio optimized energy transfer in densely packed fluorescent protein enables near maximal luminescence and solid state lasers
... To verify this prediction quantitatively, we investigated solutions of recombinant eGFP. eGFP has similar molecular dimensions and structure to the wild-type FP in Aequorea victoria but improved light absorption. ...
29
An Analysis of the Effectiveness of Understudy Programs: The Case of the Roads Authority Namibia
... In line with the Affirmative Action (Employment) Act 29 of 1998, the Group ensures that there is mentoring and development for every non-Namibian employed with a Namibian as an ...
23
IMMOBILIZATION AND PHOTOCHEMICAL STUDIES OF BROMOCRESOL PURPLE IN SOL-GEL MEMBRANE
... Figure 2 show the absorption spectra of BCP in acidic media. As shown there is a maximum around 433 nm. The intensity of the peak decreases as the pH of solution increases. In neutral solution BCP has two peaks at ...
5
Single step exfoliation and chemical functionalisation of graphene and hBN nanosheets with nickel phthalocyanine
... UV-vis-NIR absorption spectra were acquired using a Varian Cary 5000 Spectrometer (scan rate ¼ 600 nm min) using 1 cm optical glass ...the absorption spectra acquired indepen- dently for graphene/hBN and ...
8
Cavity ringdown spectroscopy of atmospherically important radicals
... were acquired simultaneously; this allowed us to take into account possible changes of reflectivity of the mirrors (due to contamination of the surface, for example). At each laser wavelength during the scan, 20 ...
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