The gas-phase catalytic dehydration of glycerol to acrolein was carried out in a Two-Zone Fluidized-Bed Reactor (TZFBR) using a 20 wt.% phosphotungstic acid (H3PW12O40) catalyst supported on CARIACT-Q10 commercial silica.In the first step, a hydrodynamic study of the reactor was performed.A quality of fluidization of more than 80% was obtained.In t
The Assassin Spiders of the family Archaeidae from southern Australia are revised, with a new genus (Zephyrarchaea gen.n.) and nine new species described from temperate, mesic habitats in southern Victoria, South Australia and south-western Western Australia: Z.austini sp.n., Z.barrettae sp.n., Z.grayi sp.n., Z.janineae sp.n., Z.marae sp.n., Z.mark
This article Kone Kettle presents the results of the experience of two researchers in overcoming 15 primary teachers, was used for this purpose a postgraduate course, in order to be trained so that they can use the dynamic geometry software Geogebra in the process of learning that develop in their classrooms.It is an investigation that used the sys
Background: Dermatological emergencies are critical conditions requiring immediate attention due to their potential to escalate into life-threatening scenarios.Accurate diagnosis and timely management are essential to prevent severe complications, including systemic involvement and mortality.This systematic review summarizes findings on dermatologi
An epidermal cyst is a common benign subcutaneous tumor and rarely develops malignancy.We report a case of an undifferentiated cutaneous squamous cell carcinoma (SCC) that arose from an Foot Leveler epidermal cyst on the left NECKLACES side of the neck.The epidermal cyst had rapidly increased in size and presented cauliflower-like tumor.Histologica