نتایج جستجو برای: dissociative chemisorptions
تعداد نتایج: 4288 فیلتر نتایج به سال:
x-ray photoelectron and electron energy loss spectroscopic (xps-eels) studies reveal that the following species are present when a mixture of co2 and water vapour is exposed to the clean mg(100) surface at 110k: co3(a), c(a) ch(a), oh(a). the reactive chemisorptions of co2 and h2o vapour coadsorbed on a mg surface leads to the formation of ch bond. increasing the temperature to 400 k shows the ...
Hydrogenation of levulinic acid (LA) and its esters to produce γ-valerolactone (GVL) and 2-methyl tetrahydrofuran (2-MTHF) is a key step for the utilization of cellulose derived LA. Aiming to develop a commercially feasible base metal catalyst for the production of GVL from LA, with satisfactory activity, selectivity, and stability, Al2O3 doped Cu/SiO2 and Cu/SiO2 catalysts were fabricated by c...
X-ray photoelectron and high resolution electron energy loss spectroscopic (XPS-HREELS) studies have shown that the adsorption of carbon dioxide at Mg(100) surfaces at 80K is followed by a dissociative reaction leading to the formation of a metastable surface carbonate above 80K. The formation of a carbonate species is proposed to proceed through oxidation of C0 (g) by an active oxygen su...
conclusions the findings of this study are in accordance with findings from previous studies, and generally show a meaningful association between schema, emotion regulation, dissociative experiences, and suicide ideation with borderline personality features. results the results showed a significant positive correlation between schema, emotion regulation, dissociative experiences and suicide ide...
objective: many psychodynamic oriented psychotherapists believe that people do not become addicted without a reason they use drugs to avoid painful feelings, thoughts and memories. the present study examines the relationship between the level of dissociation, substance dependence disorder and other psychiatric disorder. methods: in a descriptive study on prisoners of adel-abad prison, shiraz, i...
x-ray photoelectron and high resolution electron energy loss spectroscopic (xps-hreels) studies have shown that the adsorption of carbon dioxide at mg(100) surfaces at 80k is followed by a dissociative reaction leading to the formation of a metastable surface carbonate above 80k. the formation of a carbonate species is proposed to proceed through oxidation of c0 (g) by an active oxygen surface ...
We investigate the chemisorptions of oxygen molecules on bilayer graphene (BLG) and its electrically modified charge-doping effect using conductivity measurement of the field effect transistor channeled with BLG. We demonstrate that the change of the Fermi level by manipulating the gate electric field significantly affects not only the rate of molecular adsorption but also the carrier-scatterin...
conclusions early trauma, dissociative experience, and suicide ideation can predict active/passive a/pap and explain the considerable variance of survival index. results structural coefficients showed that the pattern of high scores in active/passive a/pap correlates with the pattern of high scores in early trauma, dissociative experience and suicide ideation. the findings of the study showed t...
Background: Drug abuse is a major public health problem. Some believe that when dissociation fails to defend against emotional, physical, or sexual trauma, the person will find relief from unpleasant thoughts and emotions in opium use. On the other hand, personality disorders are considered as important predictors of treatment outcomes in drug abusers. Due to lack of adequate research in this r...
Dissociative disorders are frequent comorbid conditions of other mental disorders. Yet, there is controversy about their clinical relevance, and little systematic research has been done on how they influence global functioning. Outpatients and day care patients (N=160) of several psychiatric units in Switzerland were assessed with the Structured Clinical Interview for Diagnostic and Statistical...
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