Background: Mycotoxins are produced in foods as a result of mold infection of crops before and after harvest. The aim of this report was to assess, for the first time in Tunisia, the contamination of red chili powder with Aflatoxins (AFs) and Ochratoxin A (OTA) and to identify the associated microbiota. Methods: Fifty-five samples of red Capsicum powder (Capsicum annuum) were screened for AFs ...

In this study, we investigated a novel method for fabrication of carbonate apatite block without ionic movement between precursor and solution by using precursor that includes all constituent ions of carbonate apatite. A powder mixture prepared from dicalcium phosphate anhydrous and calcite at appropriate Ca/P ratios (1.5, 1.67, and 1.8) was used as starting material. For preparation of specime...

To optimize the submerged entry nozzle (SEN) for an ultra-thick slab mold, a mathematical model has been established. The molten steel flow and solidification, inclusion transports, meniscus fluctuation have investigated through model. Compared with concave-bottom SEN cases, convex-bottom decreases imping depth of jet increases horizontal velocity temperature on meniscus. However, remelting sol...

In the current study, transient flow characteristics on top surface of a steel slab continuous casting strand were numerically investigated using large eddy simulation combined with volume fluid (LES + VOF) model. The validation numerical was verified via nail board measurement in industrial mold. effects speed level profile and instantaneous distribution vortex discussed. variation migrated af...