In the last 3 years there has been a huge increase in the use of pore-scale modeling to study multiphase flow and transport in porous media. Starting from single pore models of fluid arrangements, computations of relative permeability, interfacial area, dissolution rate and many other physical properties have been made. Combined with a realistic description of the pore space, predictive modelin...

We demonstrate a projection lithography method that induces optical index changes in a flexible polymer cable that is continuously translated through the image plane. We demonstrate that a static spot pattern generates a grid of waveguides along the cable length via a continuous extrusion process. Rotations or scaling of the optical spot array can fabricate image inverters or magnifying face pl...

primary sedimentary and secondary structural and diagenetic processes are responsible for heterogeneity in carbonate reservoirs and recognition of these factors is very essential subject in modeling these reservoirs. image logs are very useful for identification of structures and small scale sedimentary features. in this research, using image analysis of formation microimager log (fmi) in a dri...

Optimizing water injection rate distribution in waterflooding operations is a vital reservoir management aspect since capacities may be constrained due to geographic location and facility limitations. Traditionally, numerical grid-based simulation used for waterflood performance evaluation prediction. However, the approach can time-consuming expensive with vast amount of wells data mature field...

statement of the problem: demineralization of enamel adjacent to orthodontic appliances frequently occurs, commonly due to insufficient oral hygiene. purpose: the aim of this study was to compare two microabrasion techniques on improving the white spot lesions as well as subsequent enamel discoloration. materials and method: sixty extracted premolar teeth without caries and hypoplasia were sele...

The purpose of this study is to determine the long-term effectiveness a 532 nm and 1064 large-spot laser with contact cooling in treatment CMTC. Cutis marmorata telangiectatica congenita (CMTC) rare, congenital, vascular disorder characterized by dilated capillaries veins, all layers dermis subcutaneous tissue. It manifests as erythematous-to-violaceous, reticulated, net-like, or marbled-appear...

The essential mechanisms and virulence factors enabling Brucella species to survive and replicate inside host macrophages are not fully understood. The authors previously reported that a putative guanosine 5'-diphosphate 3'-diphosphate (ppGpp) mutant (spoT mutant) of Brucella abortus failed to replicate in HeLa cells. The present study showed that the pattern of surface proteins and morphologic...