نتایج جستجو برای: impregnation
تعداد نتایج: 3379 فیلتر نتایج به سال:
Basal dendrites of hippocampal CA1 pyramidal cells in senile dementia of Alzheimer type (SDAT) were studied quantitatively by the Golgi impregnation method. The present data suggested that basal dendrites of the pyramidal cells were decreased in number in SDAT, and that the dendritic decrease was associated with a decrease in size of their cell bodies.
This study assessed the adsorption capacity of different activated carbons produced from peanut shell for S3B dye (Sunfix Red 150%) present in wastewater under contact conditions. The pre-impregnation input material by ZnCl2 (weight ratio 1:1) increased surface charge carbon to positive value; While non-impregnation and post-impregnation procedures had negative charge. optimal conditions were a...
A highly dispersed Ru/OCNT catalyst synthesized through a facile ethylene glycol reduction approach shows more uniform particle size distribution with ∼1.0 nm compared with that prepared through a conventional impregnation method. Moreover, it also has good thermal stability evidenced by an in situ TEM study.
This paper describes the production of carbon fiber / high-performance polyimide prepregs and study prepreg samples quality by scanning electron microscopy, atomic-force microscopy ion-conductance microscopy. The were produced using a laboratory-designed setup impregnation with solution. structure made it possible to establish connection between polymer matrix composition impregnation. Thus, sh...
This paper presents a review of the literature concerning development of the stationary phases for thin-layer chromatography (TLC) in the last ten years. The silica gel remains the most important adsorbent for TLC separation. The kinetic properties of the silica-gel thin layer and the new TLC plates have been presented. Other materials used as stationary phase were alumina, zirconium oxide, Flo...
We here present an image from the rare original slides from Camillo Golgi (Figure 1), which are kept at the Golgi Museum and at the Museum for the History of the University of Pavia (Pavia, Italy). Camillo Golgi (1843 – 1926), Professor of General Pathology and Histology at the University of Pavia, provided seminal scientific contributions, including in 1898 the discovery of the cell organelle ...
A Pt@TNT catalyst with Pt nanoparticles entrapped in titanate nanotubes (TNT) was prepared by hydrophobic modification of the exterior surface of the TNT and impregnation with hexachloroplatinic acid (H2PtCl6) aqueous solution. The catalyst's enhanced activity towards the hydrogenation of phenol (as high as ∼3200 gphenol h(-1) gPt(-1) of qTOF) can be ascribed to the confinement effect.
Different Ni-based oxygen carriers were prepared by dry impregnation using -Al2O3 as support. The reactivity, selectivity during methane combustion, attrition rate and agglomeration behaviour of the oxygen carriers were measured and analyzed in a termogravimetric analyzer and in a batch fluidized bed during multicycle reductionoxidation tests. * Manuscript
Treponemal infections in wild European brown hares (Lepus europaeus) from The Netherlands were diagnosed by means of serological tests for human syphilis and histological demonstration of spirochetes by the Bosma-Steiner silver impregnation method in histological sections of skin lesions. The treponeme should probably be classified as "Treponema paraluisleporis."
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