in general, spring cultivation of sugar beet is prevalent, but nowadays because of water sources limitation and also plants low water use efficiency in this time of cultivation, autumn cultivation is growing up. several assessments also have showed that in compare with spring cultivation, autumn cultivation of sugar beet has other benefits including reducing the likelihood of plant disease and ...

in order to achieve a sustainable management and development of natural resources, a set of technical, eco-social, environmental and ecological criteria must be considered in the planning process. an appropriate model is therefore needed to address all the criteria mentioned above, in the decision making process and finally provide a reliable result. in the last few years, analytical hierarchic...

a water soluble, bronsted acid, 5-sulfosalicylic acid as an efficient organocatalyst was used for the synthesis of physiologically active 2-substituted benzimidazole derivatives from o-phenylenediamine and aromatic aldehydes in ethanol at reflux condition. cost-effectiveness, use of non-hazardous solvents, metal free and commercially available catalyst, single-step, environmentally friendly gre...

outdoor recreation refers to various recreational activities, closely associated with natural environments. wetlands are the ecosystems which provide numerous goods and services with economic values, not only to the local population living in their periphery but also to communities living outside wetland. furthermore, wetlands provide some opportunities and amenities for human society’s well-be...

bitter asafetida (ferula asa-fetidae l.) is a wild plant of the family umbelliferae. the present study was carried out to determine the type of dormancy of the plant’s seed, and find out the most suitable treatment needed for quick germination of seeds. twelve treatments including ga3 (500, 1000, 1500 ppm), kno3 (0.1, 0.2 0.3 molar), rinsing (24, 48, 72 hour),elimination of seed coat (one year-...

an experiment was carried out to estimate growth parameters of broiler chickens received artichoke extract in their drinking water using gompertz non-linear model and to compare gompertz non-linear regression equation and artificial neural network modeling in terms of their ability to predict body weight of broiler chicks at day 42 of age. a total number of 250 one- day- old ross 308 broiler ch...

objective(s) pde3 has a functional role in insulin secretion and action. we investigated the metabolic effects of new synthetic pde3 inhibitors (mc1, mc2, mc5 and mc6), on mice and hyperglycemic rat. materials and methods the test compound or solvent was injected subcutaneously to mice, for 7 days. on day 8, blood and liver samples were obtained. in hyperglycemic rat, 0.5 g/kg glucose with or w...

spinal cord injury (sci) is a trauma that disturbs motor, sensitive and autonomic function and directly impacts the quality of life. after physical damage, releasing of pro-inflammatory proteins and cytokines occurs and with collaboration of immune system cells, an immune response begins in the brain tissue. the result of neuroinflammation is edema, apoptosis and release of axonal growth inhibi...

artemisia annua is a medicinal annual herb that widely distributed in asia, europ, north america, and also is grown in north reagions of iran. in this study, variation in the quantity and quality of the essential oil of a.annua apical shoots at different developmental stages including vegetative, early flower opening and full flowering stages is reported. the obtained oils by hydrodistilation o...

to inspect the effect of methyl salicylate (mesa) vapor on fruit shelf life quality in kiwifruit (actinidia chinensis cv. hayward) an experiment was carried out in citrus research institute, ramsar, iran in 2006-2007. the experiment was based on a completely random design of three replications. the treatments consisted of mesa at five rates (0, 8, 16, 24 and 32 µl/l) and storage time of five le...