Malware is a pervasive problem in distributed computer and network systems. Identification of malware variants provides great benefit in early detection. Control flow has been proposed as a characteristic that can be identified across variants, resulting in flowgraph based malware classification. Static analysis is widely used for the classification but can be ineffective if malware undergoes a...

A volume of fluid multiphase flowmodel was used to investigate the effective area and the created liquid film in the structured packings. The computational results revealed that the gas and liquid flow rates play significant roles in the effective interfacial area of the packing. In particular, the effective area increases as the flow rates of both phases increase. Numerical results were compar...

injection molding is one of the most common processes which are used for manufacturing different plastic parts. this method includes 3 continuous steps: filling of the mold, cooling and driving the part out. a wide range of plastic and non-plastic materials can be used as raw material in this process. one of the most important advantages of this way of production is that it is very economic. in...

Recent tests of a 250 m/m structured packing in a 1.22 m diameter column have produced some unanticipated results. Using two quite different systems, mass transfer performance in a relatively short 1.69 m bed was significantly better than previous results in a longer 3.78 m bed. No bed length effect was found on pressure drop. Two different severe vapor maldistributions were studied using a vac...

In many systems, the liquid flows in discrete rivulet/droplet form rather than continuous non-wetting or low flow rate conditions. A (DLF) theory has been used by a few researchers to describe these systems such as Ironmaking blast furnace. investigators have applied of structured packing where particles are arranged particular pattern void size and shape fixed. However, real world, system is r...

Brass Ferrules have been used as packing in a laboratory- scale glass distillation column approaching pilot plant size because of their availability in all sizes and low cost. The available size range is such that these ferrules could also be used in industry and the results of this study could be scaled up. The performance of the new packing has been compared with the performance of glass ...

the crystal structure of the title schiff base complex is obtained by single-crystal x-ray diffraction data.the solid state structure determination reveals that the coordination geometry around the copper(ii) center istetrahedrally distorted square-planar. the crystal packing shows one dimensional infinite chains which arisesfrom the intermolecular interaction and stabilize the crystal packing.

An innovative-structured packing (for distillation and absorption columns) based on cylindrical wires is 3D printed in polyamide stainless steel. Several configurations are designed by modifying some geometrical parameters, such as the wire diameter length. Hydrodynamic mass transfer studies executed structures a reference internal (Mellapak 250Y) to characterize their performances. These new p...

o b je c t i v e : to explore the pros and cons of early versus delayed intervention when dealing with severe blunt liver injury with significant hemoperitoneum and hemodynamic instability. m e t h o d s : this retrospective cross-sectional study was performed at the nemazi hospital, shiraz, southern iran, level i trauma center affiliated with shiraz university of medical sciences. the study po...