nanocrystalline titanium (iv) oxide paste has been deposited on fluorine doped tin oxide glass substrate by the blade method. the deposited film was subjected to thermal treatment to obtain an electrode foe a photo-electrochemical cell. the electrode was sensitized with prophyrin dye which was a local dye extracted from carica papaya leaves. avaspec 2.1 spectrophotometer was used to obtain the ...

introduction: application of light transmitting posts to restore greatly damaged endodontically treated teeth has been increased. it is suspected that light intensity decreases as it passes throughout different materials. this can reduce the degree of conversion required for adequate bond strength throughout the length of these posts. the objective of this study was to evaluate the amount of li...

Sweetpotato sprouts are buds or young shoots formed under dark low-light conditions that can be eaten directly by people. This study was conducted to investigate the effects of light intensity and photoperiod on quality yield sweetpotato identify most suitable production provide a theoretical basis technical parameters for these vegetables. Four treatments involving different intensities photop...

Interactive visualization of complex, real-world light sources has so far not been feasible. In this paper, we present an hardware accelerated direct lighting algorithm based on a recent high quality light source acquisition technique. By introducing an approximate reconstruction of the exact model, a multi-pass rendering approach, and a compact data representation, we are able to achieve inter...

We have developed the LISST series instruments that provide unprecedented quality of data on the forward scattering of light. In this project, we plan to (a) develop a version of this instrument that will deliver the same high-quality data in backscatter, (b) guide analytical light-scattering model development with such observations, and (c) then apply the results to predicting light propagatio...