Mostrando 1,341 - 1,360 Resultados de 4,286 Para Buscar '"In Flames"', tiempo de consulta: 0.20s Limitar resultados
  1. 1341
    “…Ligands plays an important role in the extraction procedures for the determination of cadmium in rice samples by using flame atomic absorption spectrometry (FAAS). In the present study, comparative evaluation of 10 commercially available ligands for formation of Cd(II)-ligand complex and determination of cadmium in rice samples by ultrasound-assisted dispersive liquid–liquid microextraction (UADLLME) combined with FAAS was developed. …”
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  2. 1342
  3. 1343
    “…La(1−x )Sr( x )CoO(3) (x=0, 0.1, 0.2, 0.3, 0.4) nanoparticles were prepared by spray‐flame synthesis and applied in the liquid‐phase oxidation of cyclohexene with molecular O(2) as oxidant under mild conditions. …”
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  4. 1344
  5. 1345
  6. 1346
  7. 1347
    “…The ladder phenyl/vinyl polysilsesquioxane (PhVPOSS) was used to improve the flame-retardancy performances of ethylene-vinyl acetate copolymer (EVA)/aluminum hydroxide (ATH) composites due to the reactivity of its vinyl groups. …”
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  8. 1348
    por Yebra, M. Carmen
    Publicado 2012
    “…The method is based on continuous ultrasonic water dissolution of the sample (5–30 mg) at room temperature followed by flow injection flame atomic absorption spectrometric determination. …”
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  9. 1349
  10. 1350
    “…BACKGROUND: The aim of this paper was the validation of a new analytical method based on the high-resolution continuum source flame atomic absorption spectrometry for the fast-sequential determination of several hazardous/priority hazardous metals (Ag, Cd, Co, Cr, Cu, Ni, Pb and Zn) in soil after microwave assisted digestion in aqua regia. …”
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  11. 1351
    “…[Image: see text] This work describes the method of a selective hydride generation-cryotrapping (HG-CT) coupled to an extremely sensitive but simple in-house assembled and designed atomic fluorescence spectrometry (AFS) instrument for determination of toxicologically important As species. Here, an advanced flame-in-gas-shield atomizer (FIGS) was interfaced to HG-CT and its performance was compared to a standard miniature diffusion flame (MDF) atomizer. …”
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  12. 1352
    “…In addition, the fatty acids (FA) content in pure Lα-phosphatidylcholine supplement and oocytes was analyzed by gas chromatography-flame ionization detection (GC-FID). The dataset provides information and inputs for further studies aiming to optimize in vitro maturation conditions and cryotolerance of mammalian oocytes.…”
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  13. 1353
    “…This study describes the development of a method for the analysis of breath, based on automated thermal desorption (TD) combined with flow modulated comprehensive two-dimensional gas chromatography (GC×GC) with dual flame ionisation and quadrupole mass spectrometric detection (FID and qMS). …”
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  14. 1354
  15. 1355
    “…[Image: see text] The effect of CO(2), which replaces part of N(2) present in air, on flame stability, laminar burning velocities (LBVs), and intermediate radicals (O OH) of CH(4)/O(2)/N(2)/CO(2) premixed flames has been analyzed using detailed experiments and numerical studies. …”
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  16. 1356
    “…The laminar flame propagation velocities of the blended gas were measured in a range of equivalence ratios (from 0.6 to 1.4) and oxygen concentrations (from 21 to 33%) using a Bunsen flame. …”
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  17. 1357
    “…Herein, we compare Cu/ZnO, Cu/CeO(2), and Cu/ZnO–CeO(2) catalysts prepared by flame spray pyrolysis. The Cu loading and support composition were varied to understand the role of Cu–ZnO and Cu–CeO(2) interactions. …”
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  18. 1358
    “…[Image: see text] The application of electrochemical treatment in coal seams for enhancing coalbed methane (CBM) recovery can also decrease the risks of outburst disasters. The long-flame coal samples were electrochemically modified with 0, 1, 2, and 4 V/cm electric potential gradients, and the pore structures were measured and analyzed by combined low-temperature nitrogen gas adsorption, mercury intrusion prosimetry, and fractal theory. …”
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  19. 1359
    “…Detection limit recalculated for initial sample was 4-10 mg L(−1). • High-resolution continuum source flame molecular absorption spectrometry turned out to be an excellent tool for determination of pollution of gasoline with organic fluorine. • Due to application of GaF as a target molecule, it is possible to use a low-temperature and easy for operation air-acetylene flame. • The proposed method can be applied for analysis of alkylate, reformate, isomerizate, ethanol as well as commercial automotive and aviation gasoline.…”
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  20. 1360
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