Using recently derived-values of the water vapor dimer spectral absorption cross section we calculate the water vapor dimer contribution to the clear sky absorption of solar radiation. We consider the water dimer concentrations deduced from local equilibrium thermodynamics, and we account for the overlap of water vapor dimer and monomer absorption bands. We estimate that water vapor dimer contr...

A photocatalyst consisting of nanostructured Pd photochemically deposited on 20 nm TiO2 displays a reaction half-life for rhodamine b decolourisation of 0.5 minute compared to the 9.4 minutes for unmodified P25 under identical reaction conditions. We associate this increased decolourisation rate to the increase in solar light harvesting which we have measured at 8% due to a significant red shif...

Greenspan and Owen (1), in a stimulating discussion of the Jovian atmosphere, have reconsidered Stecher's (2) rocket ultraviolet spectroscopy of Jupiter. They conclude that, while the general reflectivity between 2000 and 3000 A can be matched by some 12 km-atm of H2 and a small surface reflectivity, there still exist two significant absorption features in this wavelength range. This residual a...

The manufacture and characterization of coconut shell briquettes using tapioca as adhesive were conducted. sample is created different flour concentrations: 1%, 3%, 5%, 7%, 9%. All briquette samples dried for 30, 60, 90 minutes. Coconut characterized scanning electron microscopy-energy dispersive X-ray spectroscopy (SEM-EDX), Fourier transforms infrared (FTIR), compression tests, burn rate test...

background: contamination of water with arsenic has attracted the researchers’ attention as a global problem in recent years and has been observed in some parts of iran. the purpose of this study is to assess the efficiency of welding iron waste in removing arsenic from aqueous solutions.   methods: in this study, the effects of different parameters, such as ph (3-9), initial concentration of a...

Thermogenic supplements are widely used in the general population to support attempted fat loss; however, efficacy and safety of these questioned. PURPOSE: To determine whether a thermogenic supplement affects metabolic rate, hemodynamic responses, mood states. METHODS: In randomized double-blind crossover design, 23 females (22.2 ± 3.5 y; 164.8 6.4 cm; 73.5 6.9 kg) who were moderate caffeine c...

In the present study, the percutaneous absorption of the essential oil of lavender from a massage oil was investigated. It was shown that lavender oil penetrates the skin of a male subject. Within five minutes of finishing, the massage traces of linalool (1) and linalyl acetate (2) as the main constituents of lavender oil could be detected in the blood. After 20 minutes, 100 ng/ml for 2 and 121...

INTRODUCTION The treatment of acute coronary syndrome (ACS) includes the administration of aspirin. Current guidelines recommend chewing aspirin tablets to increase absorption. While this is intuitive, there are scant data supporting this recommendation. The purpose of this study is to assess which of 3 different aspirin formulations is most rapidly absorbed after ingestion. METHODS A prospec...

introduction: pain control is the most important issue in emergency department management of patients with femoral bone fractures. the present study aimed to compare the procedural features of ultrasonography and nerve stimulator guided femoral nerve block in this regard. method: in this randomized clinical trial, patients with proximal femoral fractures presenting to emergency department were ...