• Nenhum resultado encontrado

Cross sections

Ultraviolet absorption cross sections of carbonyl sulfide isotopologues OC32S, OC33S, OC34S and O13CS: isotopic fractionation in photolysis and atmospheric implications

Ultraviolet absorption cross sections of carbonyl sulfide isotopologues OC<sup>32</sup>S, OC<sup>33</sup>S, OC<sup>34</sup>S and O<sup>13</sup>CS: isotopic fractionation in photolysis and atmospheric implications

... the cross section is proportional to width of the ground state vibrational wavefunction (Schinke, ...absorption cross sections of OCS isotopologues is seen to arise from three effects: blue- shifting ...

11

Differential and partial cross sections of elastic and inelastic positronium-helium-atom scattering

Differential and partial cross sections of elastic and inelastic positronium-helium-atom scattering

... elastic cross section implies a large repulsive exchange potential between Ps and He atoms in the elastic ...energy cross section, as obtained by us, will lead to a large pick-off quenching rate in ...

5

Thermal analysis of steel-concrete composite cross sections via CS-ASAFA

Thermal analysis of steel-concrete composite cross sections via CS-ASAFA

... the cross section of the structural ...composite cross sections that are employed in civil construction through use of the Computational Sys- tem for Advanced Structural Analysis/Fire Analysis ...Two ...

9

Electron Impact Ionization Cross Sections and Analysis of X-ray Spectra

Electron Impact Ionization Cross Sections and Analysis of X-ray Spectra

... As described in Chapter 3, the scaling of the BEB theory had to be changed in order to apply it to ionized systems, and the choice of denominators was not obvious. Although the scaling term proposed in this thesis was ...

123

Differential cross sections for target excitation and positronium formation in positron-helium scattering

Differential cross sections for target excitation and positronium formation in positron-helium scattering

... partial cross sections for elastic, inelastic, and Ps-formation cross sections at medium energies for positron-helium scat- tering @11,12# using the above-mentioned CCA scheme for incident ...

6

High spectral resolution ozone absorption cross-sections &ndash; Part 2: Temperature dependence

High spectral resolution ozone absorption cross-sections &ndash; Part 2: Temperature dependence

... tion cross-sections was established using measurements at eleven temperatures. The methodology of the absolute broadband measurements, experimental procedures and spectra processing were described in our ...

31

A numerical study on the aerodynamic performance of building cross- sections using corner modifications

A numerical study on the aerodynamic performance of building cross- sections using corner modifications

... The CAARC standard tall building model is an experimental building prototype presenting a simple hexahedral geometry with right-angle corners, which has been widely utilized to calibrate experimental methodologies in ...

18

New and improved infrared absorption cross sections for  chlorodifluoromethane (HCFC-22)

New and improved infrared absorption cross sections for chlorodifluoromethane (HCFC-22)

... During the experimental work, evidence was found for chlorodifluoromethane adsorption in the vacuum line and on the cell walls, resulting in its partial pressure during each measurement differing from the initial, ...

9

Braz. J. Phys.  vol.38 número3B

Braz. J. Phys. vol.38 número3B

... In this contribution results from a phenomenological analysis for the diffractive hadroproduction of heavy flavors at high energies are reported. Diffractive production of charm, bottom and top are calculated using the ...

5

Rev. bras. farmacogn.  vol.26 número5

Rev. bras. farmacogn. vol.26 número5

... blade. Cross-sections were obtained, by hand, for microscopic analysis of root, stem, petiole and leaf blade; to the leaf blade were still made paradermal sections, scanning electron microscopy ...

11

Simplifying the calculation of light scattering properties for black carbon fractal aggregates

Simplifying the calculation of light scattering properties for black carbon fractal aggregates

... be analytically integrated to provide light scattering properties for log-normal distribu- tions of black carbon fractal aggregates and return extinction cross-sections with 0.1 % accura[r] ...

26

Rev. IBRACON Estrut. Mater.  vol.7 número5

Rev. IBRACON Estrut. Mater. vol.7 número5

... concrete cross-sections subjected to monotonic load- ing and whose stress-strain curves are deined by piecewise func- ...the cross section on segments of variable size whose limits are de- ined ...

13

BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY

BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY

... interaction cross sections for all the electronic processes: ionization, excitation, Positronium formation (for incident positrons) and even elastic ...total cross sections calculated by using ...

9

Unit root tests for panel data: a survey and an application

Unit root tests for panel data: a survey and an application

... T  , being indicated for panels with a similar number of cross-sections ( N  50 ). Kao (1999) develops a framework for understanding the behaviour of spurious panel regression using a fixed-effects model ...

21

Brain neuroimaging of domestic cats: correlation between computed tomography and cross- sectional anatomy

Brain neuroimaging of domestic cats: correlation between computed tomography and cross- sectional anatomy

... of cross sections of the stained brain and cranial part, with thicknesses similar to the planes of the CT ...in cross-sectional thickness of approximately 4mm and staining technique of Barnard, and ...

7

Diffraction and an infrared finite gluon propagator

Diffraction and an infrared finite gluon propagator

... γγ cross sections are extracted from a measurement of hadron production in e + e − processes and are strongly depen- dent upon the acceptance corrections to be ...

4

Intense resistance exercise induces early and transient increases in ryanodine receptor 1 phosphorylation in human skeletal muscle.

Intense resistance exercise induces early and transient increases in ryanodine receptor 1 phosphorylation in human skeletal muscle.

... stained cross-section showing type I and II myofibers (Figure ...stained cross-sections at 30 min post ...consecutive cross-section stained for ...

12

On the relative absorption strengths of water vapour in the blue wavelength range

On the relative absorption strengths of water vapour in the blue wavelength range

... the natural greenhouse effect (Myhre et al., 2013), but water vapour absorptions also needs to be known at high precision when retrieving other atmospheric absorbers from spectroscopic measurements in the UV/VIS ...

42

Tipo de vedação na germinação e na morfogênese in vitro de dois tipos de explante de pimenteira ornamental

Tipo de vedação na germinação e na morfogênese in vitro de dois tipos de explante de pimenteira ornamental

... For histochemical analyses, samples were collected from the middle third of the stem. Cross sections were prepared using a table microtome (LPC, Rolemberg & Bohering, Retail and Import Ltda., Belo ...

6

Rev. bras. farmacogn.  vol.26 número4

Rev. bras. farmacogn. vol.26 número4

... Free-hand cross sections and cuts with a Minot microtome from leaf blades and petioles were stained with safranine-fast green and mounted on microscope slides using ...

5

Show all 3200 documents...

temas relacionados