The characteristics of paleosedimentary environments are great significance for the enrichment organic matter (OM) and hydrocarbons in lacustrine shale. This study analyzed mineralogy, well logging data, geochemical parameters (total carbon pyrolyzed hydrocarbon), inorganic (major trace elements), multiple proxies based on parameters. These were used to reconstruct environment lower 1st Member ...

Carotenoids, plant pigments with potent antioxidant activity, are implicated in chronic disease protection. They are absorbed from the diet and transported by plasma lipoproteins. Monocytes, as circulating blood cells, are exposed to carotenoid-rich lipoproteins. Such exposure may lead to enrichment with carotenoids and may affect the functions of monocyte-derived macrophages. This study explor...

Abstract The study concerns the relationships between taxonomic, functional and phylogenetic diversity of benthic invertebrates inhabiting watercourses abiotic parameters associated with excessive nutrients load (concentration Kjejdahl nitrogen, nitrates, phosphorus, organic carbon dissolved oxygen, values BOD5 electrolytic conductivity). research used data on species composition leeches, mollu...

The formation of six ozone isotopomers and isotopologues, OOO, OOO, OOO, OOO, OOO, and OOO, has been studied in electron-irradiated solid oxygen O2 and O2 (1 : 1) ices at 11 K. Significant isotope effects were found to exist which involved enrichment of O-bearing ozone molecules. The heavy OOO species is formed with a factor of about six higher than the corresponding OOO isotopologue. Likewise,...

The aim of this study was to investigate the acute toxicity of pulp-paper industry wastewater using traditional and enrichment toxicity tests and to emphasize the importance of toxicity tests in wastewater discharge regulations. Enrichment toxicity tests are novel applications and give an idea of whether there is potential toxicity or growth-limiting and -stimulating conditions. Different organ...

An intramolecular theory of the unusual mass-independent isotope effect for ozone formation and dissociation is described. The experiments include the enrichment factor, its dependence on the ambient pressure, the ratio of the formation rates of symmetric and asymmetric ozone isotopomers, the enrichment of ozone formed from heavily enriched oxygen isotopes, the comparison of that enrichment to ...

in order to evaluate the effect of substrate and enrichment material on biological efficiency (be) and other physical and chemical propertiese of medicinal mushroom shiitake (lentinula edodes) an investigation was perfomed as factorial experiment in completely randomized designe with four replications in khorramabad city of lorestan continent iran. experimental factors were substrate in three l...

iron deficiency anemia is one of the nutritional problems of the low income, undernourished populations of the world. in iran, many rural and low socioeconomic urban groups suffer from iron deficiency anemia because of a low iron intake and the low level of public health. to overcome and to prevent iron deficiency, a program was suggested to enrich the bread with iron, calcium and some of the b...

Recent findings based on the oxygen isotope ratios of tree trunk cellulose indicate that the temperature of biomass production in biomes ranging from boreal to subtropical forests converge to an average leaf temperature of 21.4°C. The above conclusion has been drawn under the assumption that biochemically related isotopic fractionations during cellulose synthesis are not affected by temperature...

Characterising the local structures (e.g., cation distribution) of mixed-metal ceramics by NMR spectroscopy is often challenging owing to unfavourable properties (low ?, large quadrupole moment and/or low abundance) many metal nuclei. 17 O an attractive option prevalence oxygen within ceramics. The moderate ? and small mean that greatest barrier accessing information available from this nucleus...