Crystalline films of syndiotactic polystyrene (s-PS), a commercially Mystery Pack available thermoplastic polymer, having a highly hydrophilic amorphous phase, were achieved by using a mild solid-state sulfonation procedure.Despite the used mild process conditions, an easy and uniform sulfonation of the phenyl rings of the amorphous phase is obtain
Background: Patients with previously irradiated metastatic epidural spinal cord compression (MESCC) who are not surgical candidates are at high risk of neurologic deterioration due to disease in the setting of limited treatment options.We seek to establish the feasibility of using salvage spine stereotactic radiosurgery (SSRS) Key Chains allowing f
The semi-arid Caatinga is the largest dry forest ecoregion in the Americas; nevertheless, it is experiencing Bondage Restraints alarming rates of habitat loss.Most vegetation fragments in the biome are either unprotected or within private lands; however, these private areas are susceptible to anthropogenic activity, and often have the presence of n
This paper is the outcome of a survey on environmental impacts due to visitors in a tourist attraction, using geotechnology as a tool.The study was carried out at Salto Ventoso, Farroupilha, Rio Grande do Sul State (Brazil), a tourist attraction with major importance for the region.At the site, a private area, the attraction is Half Doors a 60 mete
Persistence and biochemical characteristics of cypertnethrin and permethrin in the blood of male rats were studied following oral administration of a single dose containing 10 mg.kg -1 of body weight of each pyrethroid.The highest Half Doors residue concentrations of cypermethrin (2.38 ug.ml-1) and permethrin (8.83 ug.ml-1) in rat blood tissue were