Zobrazeno 1 - 10
of 23
pro vyhledávání: '"A M C Moutinho"'
Autor:
K, Regeta, S, Kumar, T, Cunha, M, Mendes, A I, Lozano, P J S, Pereira, G, García, A M C, Moutinho, M-C, Bacchus-Montabonel, P, Limão-Vieira
Publikováno v:
The journal of physical chemistry. A. 124(16)
Negative ion formation in electron transfer experiments from fast neutral potassium (K) atom collisions with neutral tetrachloromethane (CCl
Publikováno v:
Journal of Physics: Condensed Matter. 14:L273-L279
Adsorption of the first-row transition 3d metals (Ti-Cu) on the atomically clean Mo(110) surface in ultra-high-vacuum conditions has been studied by Auger electron spectroscopy and work function measurements (Anderson method). In this letter it is sh
Autor:
A M C Moutinho, A W Kleyn
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 34:R1-R44
Negative ion formation in alkali-atom-molecule collisions is a powerful method to study the dynamic properties of negative ions. By studying a collision with an electron donor such as an alkali atom one has access to the electron affinity of the mole
Autor:
K.J. van den Berg, Jaap J. Boon, A. M. C. Moutinho, Helena Pereira, Maria Filomena Santos Bento, M. Á. Cunha
Publikováno v:
Journal of Analytical and Applied Pyrolysis. 57:45-55
The chemical composition of suberin in cork from Quercus suber L. was determined on virgin and reproduction cork from different sites and trees in Portugal. Extractive-free samples were analyzed by pyrolysis-gas chromatography/mass spectrometry in th
Autor:
Klaas Jan van den Berg, A. M. C. Moutinho, Helena Pereira, M. Á. Cunha, M. Filomena Bento, Jaap J. Boon
Publikováno v:
Phytochemical Analysis, 9, 75-87. John Wiley and Sons Ltd
Thermally assisted transmethylation gas chromatography - mass spectrometry with tetramethylammonium hydroxide has been applied for the qualitative and quantitative analysis of the suberin fraction of wax-free cork. With this method, hydrolysis of est
Autor:
Alan Morris, M. H. Cabral, John M. Dyke, M. L. Costa, J. S. Ogden, A. M. C. Moutinho, A. M. S. Oliveira, M. T. Barros, A. P. Groves, A.A. Dias
Publikováno v:
Journal of the American Chemical Society. 119:6883-6887
2-Azidoacetic acid (N3CH2CO2H) has been synthesized and characterized by a variety of spectroscopic techniques, and the thermal decomposition of this molecule studied by matrix isolation infrared s...
Publikováno v:
Journal of mass spectrometry : JMS. 47(5)
Two different human stones, cystine and cholesterol from the kidney and gall bladder, were examined by time-of-flight secondary ion mass spectrometry using Ga(+) primary ions as bombarding particles. The mass spectra of kidney stone were compared wit
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 12:723-726
Empirical and semiempirical relations linking parameters in magnetron‐assisted abnormal glow discharges can provide insight into the physical phenomena occurring and lead to better control of processes utilizing such discharges. The deposition rate
Publikováno v:
Vacuum. 45:15-18
A study using a primary Cs+ beam to carry out positive SIMS on conductive samples is presented. The energy distribution of positive secondary ions was measured and the sputter yield, S+ was calculated for several elements. The significantly different
Publikováno v:
Scopus-Elsevier
Among the empirical and semi-empirical relations linking discharge current I and the absolute value of cathode voltage V in magnetron-assisted abnormal glow discharges, the “Thornton law” has been widely used. In the literature the model paramete