waste low density polyethylenes (ldpe) represent a source of energy and valuablechemicals, were pyrolysed catalytically in a batch reactor under atmospheric pressure. calciumcarbide was used as a catalyst to explore its effect on pyrolysis product distribution. the effect oftemperature, amount of catalyst and time on the yields of the pyrolysed products wasinvestigated. the effect of catalyst o...

INTRODUCTION Kerosene is a freely accessible hydrocarbon used in Sri Lankan (and other Asian) households for cooking and for lighting lamps. Kerosene poisoning is rarely reported among adults and its toxicological effects are not well known. Metformin is a commonly used oral hypoglycemic drug and its overdose leads primarily to lactic acidosis. Combined poisoning of metformin and kerosene and t...

BACKGROUND In Nepal, tuberculosis (TB) is a major problem. Worldwide, six previous epidemiologic studies have investigated whether indoor cooking with biomass fuel such as wood or agricultural wastes is associated with TB with inconsistent results. OBJECTIVES Using detailed information on potential confounders, we investigated the associations between TB and the use of biomass and kerosene fu...

s:1080:"Background: Studies have shown that gasoline vapor influences many physiological aspects of body. The present study was exerted to evaluate the effects of gasoline vapor inhalation on serum levels of testosterone in male rats. Materials and Methods: Male Wistar rats were randomly divided into control, gasoline vapor receiving for 1hour, 2 hours and 3 hours/day. After 10 weeks, blood sam...

We use the conditional autoregressive value at risk (CAViaR) model in combination with time-varying parameter vector (TVP-VAR) based connectedness approach to study systematic tail transmission considering two types of crude oil (Brent and WTI) also four refined petroleum products prices (gasoline, heating oil, jet fuel propane) from January, 17, 1997 December 11, 2020. For robustness purposes,...

In this paper we estimate the skewness of unconditional distribution energy returns and test its statistical significance. We compare performance traditional robust tests for with those based on implied in a TGARCH model Gram-Charlier (TGARCH-GC) innovations. also analyze implications TGARCH-GC tail risk through evaluation Value-at-Risk (VaR) expected shortfall (ES) accuracy. Our results show t...

In this work, membranes were synthesized by depositing fluoropolymer coatings onto metal meshes using the hot wire chemical vapor deposition (HW CVD) method. By changing parameters, with different wetting angles obtained, water contact for over a range from 130° ± 5° to 170° 2° and constant oil angle of about 80° 2°. These used separation an oil–water emulsion in simple filtration test. The mai...

Hydrogen is recognized as a promising and attractive energy carrier to decarbonize the sectors responsible for global warming, such electricity production, industry, transportation. However, although hydrogen releases only water result of its reaction with oxygen through fuel cell, production pathway currently challenging issue since produced mainly from thermochemical processes (natural gas re...

As one of the important sources carbon emissions, transportation industry should be given attention. This study investigates relationship between vehicle ownership, economic growth, and environmental pressure on Chongqing (CQTI) based CQTI data, then constructs a comprehensive regression model couples EKC curve Tapio for integrated analysis, finally LEAP-Chongqing to forecast from multiple pers...