yersiniosis is a common infection in human and animals. yersinia enterocolitica infection has been associated with a variety of clinical manifestations. this bacterium has been isolated from water, meat, milk environment, animals and so on. our studies have been accomplished about isolation of y. enterocolitica from vegetables such as lettuce, carrot, celery, parsley, tomato, cabbage, radish, m...

a new approach for analyzing cracked problems in 2d orthotropic materials using the well-known element free galerkin method and orthotropic enrichment functions is proposed. the element free galerkin method is a meshfree method which enables discontinuous problems to be modeled efficiently. in this study, element free galerkin is extrinsically enriched by the recently developed crack-tip orthot...

Alkaline siliceous hot spring microbial mats in Yellowstone National Park are composed of two dominant phototropic groups, cyanobacteria and green non-sulfur-like bacteria (GNSLB). While cyanobacteria are thought to cross-feed low-molecular-weight organic compounds to support photoheterotrophic metabolism in GNSLB, it is unclear how this could lead to the heavier stable carbon isotopic signatur...

  Performance and capacity of sulfur recovery unit (SRU) are greatly affected by the H2S:CO2 ratio of the acid gas stream. The acid gases in Iran contain around 35 mol% H2S and 60 mol% CO2. This low concentration of H2S calls for more complex sulfur plant, larger equipments, and higher costs. Acid gas enrichment processes (AGE) is run to upgrade low quality acid gas collected from gas treating...

Introduction The coastal macroalgal genus, Ulva , is found worldwide and considered a nuisance algal genus due to its propensity for forming vast blooms. response of ocean acidification (OA) concern, particularly with nutrient enrichment, as these combined drivers may enhance blooms because increased availability dissolved inorganic resources. Methods We determined how suite physiological param...

The redshifted light of the first (Pop III) stars might substantially contribute to the near infrared background (NIRB). By fitting recent data with models including upto-date Pop III stellar spectra, we find that such stars can indeed account for the whole NIRB residual (i.e. after ‘normal’ galaxy contribution subtraction) if the high redshift star formation efficiency is f⋆ = 10% − 50%, depen...

El Sela shear zone occurs in the younger granite rock of Gabal El Sela area, south Eastern Desert, Egypt near the Sudan Frontier. It comprises lines-arranged intrusions trending ENE-WSW and extend for about 1.5 km in length and reach up to 40 meters in width. These lines-arranged intrusions include multi-phase quartz veins, altered microgranite and altered basic dykes. These dykes hosting or ac...

Coupled production between algae and bacteria in stream epilithon was assessed along a nutrient-enrichment gradient in 8 Texas streams with open canopies. Photosynthesis (PS) and bacterial biomass production (BBP) were measured simultaneously using a dual-label radioassay (C-HCO3 – uptake and H-L-leucine incorporation into protein) on multiple samples within a stream reach. PS and BBP were meas...