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A bubble column reactor is a chemical reactor that belongs to the general class of multiphase reactors, which consists of three main categories: trickle bed reactor (fixed or packed bed), fluidized bed reactor, and bubble column reactor. [1] A bubble column reactor is a very simple device consisting of a vertical vessel filled with water with a ...
The Nativity of Jesus has been a major subject of Christian art since the 4th century. The artistic depictions of the Nativity or birth of Jesus, celebrated at Christmas, are based on the narratives in the Bible, in the Gospels of Matthew and Luke, and further elaborated by written, oral and artistic tradition.
Crucifixions and crucifixes have appeared in the arts and popular culture from before the era of the pagan Roman Empire.The crucifixion of Jesus has been depicted in a wide range of religious art since the 4th century CE, frequently including the appearance of mournful onlookers such as the Virgin Mary, Pontius Pilate, and angels, as well as antisemitic depictions portraying Jews as ...
The Flagellation of Christ, in art sometimes known as Christ at the Column or the Scourging at the Pillar, is an episode from the Passion of Jesus as presented in the Gospels. As such, it is frequently shown in Christian art, in cycles of the Passion or the larger subject of the Life of Christ. Catholic tradition places the Flagellation on the ...
The Fischer–Tropsch process (FT) is a collection of chemical reactions that converts a mixture of carbon monoxide and hydrogen, known as syngas, into liquid hydrocarbons. These reactions occur in the presence of metal catalysts, typically at temperatures of 150–300 °C (302–572 °F) and pressures of one to several tens of atmospheres.
Archaeologists digging through a French cliffside located a 200-year-old message in a bottle. Amidst much speculation, the team opened it to find a message from another archaeologist digging at ...
The Transfiguration of Jesus has been an important subject in Christian art, above all in the Eastern church, some of whose most striking icons show the scene. The Feast of the Transfiguration has been celebrated in the Eastern church since at least the 6th century and it is one of the Twelve Great Feasts of Eastern Orthodoxy, and so is widely ...
September 2, 2024 at 9:03 AM. A bronze statue from the Titanic — not seen in decades and feared to be lost for good — is among the discoveries made by the company with salvage rights to the ...