Wildfires can drastically change rangeland by depositing ash contaminated with metals that are not part of normal diets. This pose health threats to humans and animals. risk, along alterations essential minerals in livestock grazing on regrowth burnt lands, is well known. To better understand this, our study investigated metal concentrations water, soil, plant forage, meat wool sheep the burned...

Background The Sediment Quality Objectives (SQO) indirect effects assessment determines whether sediments meet California’s narrative SQO for human health: Pollutants shall not be present in sediments at levels that will bioaccumulate in aquatic life to levels that are harmful to human health. This program determines whether sediment contamination at a site results in an unacceptable health ris...

Some years ago a group of experimentalists (l-3) observed that the scouring of cattle on the so called “teart” pastures of England could be traced to the high molybdenum content of the soil and herbage. Feeding molybdenum salts reproduced the symptoms. Subsequently it was found t:hat feeding copper sulfate as a drench prevented or cured the condition. Apparent.ly a similar high molybdenum area ...

In this study, doped vanadium oxide nanotubes were evaluated using different software to study the absorption of hydrogen gas. Vanadium oxide nanotubes are one of the options for absorption and storage hydrogen gas. In this research study for the first time, the Monte Carlo simulation was used to investigate the hydrogen gas absorption behavior in molybdenum-tungsten, molybdenum-zirconium and z...

Up until recently, Canada produced approximately half the world’s supply of molybdenum-99, and the US imported approximately 50% to 80% of its supply from Canada. In 2008, there were no facilities in the US manufacturing molybdenum-99. Global efforts to reduce the proliferation of nuclear weapons and deter terrorism are believed, in part, to account for the lack of medical isotope production fa...

leaching of molybdenite concentrate with hydrogen peroxide in sulfuric acid solution was investigated to determine the effects of reaction time, reaction temperature, h2o2 concentration, h2so4 concentration, pulp density and rotation speed on molybdenum extraction and molybdenite dissolution kinetics, using the taguchi method. from analysis of variance (anova) for molybdenum extraction, the mos...

Curcumin derivatives were successfully synthesized from 3,5-dimethylisoxazole by lateral metalation and condensation with various aromatic aldehydes sequentially at C5and C3-methyl groups. After dehydration, further transformation of isoxazole ring to b-diketone moiety was accomplished by reductive ring opening using molybdenum hexacarbonyl [Mo(CO)6] and subsequent simple acidic hydrolysis. key...

Water quality data collection in shallow water areas can be a challenging task. Obstacles encountered in such environments include difficulty in covering large territories and the presence of inaccessible areas due to a variety of reasons such as a soft bottom or contamination. There is also a high probability of disturbing the test area while placing the sensors. This paper describes a NASA-fu...