نتایج جستجو برای: trmc
تعداد نتایج: 43 فیلتر نتایج به سال:
This paper is a follow-up to our paper [19], where we prove a conjecture of Batyrev and Materov, the Toric Residue Mirror Conjecture (TRMC). Here we extend our results, and show that they imply a generalization of this conjecture, the Mixed Toric Residue Mirror Conjecture (MTRMC), which is also due to Batyrev and Materov [3]. Roughly, these conjectures state that the generating function of cert...
Chemical composition of the powders. The carbon and nitrogen contents were measured using two elemental analysis instruments (Carbon/Sulfur Analyzer EMIA-320V Series, Horiba, and Oxygen/Nitrogen/Hydrogen Analyzer EMA-800 series, respectively). Optical absorption of the dye-sensitized electrodes. The optical properties of the dye-sensitized electrodes were measured in transmission mode by a UV-v...
The photoinduced charge separation efficiency in porphyrin/TiO2 bilayers has been determined using the time-resolved microwave conductivity (TRMC) technique. Porphyrins investigated are unsubstituted meso-tetraphenylporphyrin (TPP) and meso-tetra(4-ethylphenyl)porphyrin (TEPP). TEPP/TiO2 bilayers exhibit a charge separation efficiency per incident photon at the Soret band maximum of 6.2%, which...
Three conjugated triphenylamine-based poly(azomethine)s were prepared via well-known polycondensation chemistry using cheap and readily available starting materials and the results were contrasted with rrP3HT. Three functionalized diaminetriphenylamines (TPA(X), X 1⁄4 –H, –OMe, –CN) were polymerized in a simple one-step process with 2,3-dihydrothieno[3,4-b][1,4]dioxine-5,7-dicarbaldehyde (ThOx)...
The Services have become increasingly dependent on their tactical networks for mission command functions, situational awareness and for target engagements (terminal weapon guidance). While the network brings an unprecedented ability to project force by all echelons in a mission context, it also brings the increased risk of cyber-attack on the mission operation. With both this network use and vu...
Catalytic and catalytic photo-assisted hydration of propene to form 2-propanol in gas-solid regime at atmospheric pressure and 85 °C were carried out by using a heteropolyacid (POM) supported on different oxides. Binary materials were prepared by impregnation of H3PW12O40 on different commercial and home prepared supports (TiO2, SiO2, WO3, ZrO2, ZnO, Al2O3). Some of the composites were active b...
The transient photoconductivity of blends of a highly soluble C60 derivative ~PCBM! and a dialkoxyphenylene-vinylene polymer ~MDMO-PPV! has been studied using the electrodeless flash-photolysis timeresolved microwave conductivity technique ~FP-TRMC!. Films approximately 100 nm thick on a quartz substrate were prepared by spin-coating PCBM/PPV solutions with PCBM weight fractions (WPCBM) from 0....
Recently a new class of Monte Carlo methods, called Time Relaxed Monte Carlo (TRMC), designed for the simulation of the Boltzmann equation close to fluid regimes have been introduced [16]. A generalized Wild sum expansion of the solution is at the basis of the simulation schemes. After a splitting of the equation the time discretization of the collision step is obtained from the Wild sum expans...
The photosynthetic apparatus of green sulfur bacteria, the chlorosome, is generally considered as a highly efficient natural light-harvesting system. The efficient exciton transport through chlorosomes toward the reaction centers originates from self-assembly of the bacteriochlorophyll molecules. The aim of the present work is to realize a long exciton diffusion length in an artificial light-ha...
The influence of changes in structural and physical properties on the photocatalytic activity of octahedral anatase particles (OAPs), exposing eight equivalent {101} facets, caused by calcination (2 h) in air or grinding (1 h) in an agate mortar was studied with samples prepared by ultrasonication (US; 1 h)-hydrothermal reaction (HT; 24 h, 433 K). Calcination in air at temperatures up to 1173 K...
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