Many of the mechanical design rules of thumb become included in checklists of do's and don'ts. For troubleshooting fractionators see the troubleshooting section in this book. For a general ...

In general, separation of a mixture into fractions is based primarily on the difference in the boiling points of the components. In atmospheric distillation units, one or more fractionating columns ...

SUNAYANA: Let’s say we have a complex mixture. In this case, we need to use a fractionating column which is cooler towards the top than the bottom. This makes sure that only the pure liquid with ...

Fractionating the Fruit Fly A simple technique reveals that genes controlling eye color in flies also control the production of a whole family of unusual substances. The study has importance for ...

When the vapour condenses near the top of the column, it is collected and recirculated, resulting in a gradual enrichment in heavy isotopes. “Our method for improving the fractionation of water ...

Scientists and engineers are developing new ways to destroy per- and poly-fluoroalkyl substances (PFAS) efficiently and ...

It’s also told in 155 scenes carved in a spiral frieze on a monumental column. In back-to-back wars fought between A.D. 101 and 106, the emperor Trajan mustered tens of thousands of Roman troops ...

Below is a lightly edited transcript of the audio piece: Nicholas Kristof: Usually column writing is a one-way street, and we pontificate and tell the world what we think. Instead, today I’ve ...

The victory of the Roman emperor Trajan over the Dacians in back-to-back wars is carved in numerous scenes that spiral around a 126-foot marble pillar in Rome known as Trajan’s Column.

This valuable study on strategies used by Pseudomonas to subvert hots immunity identifies a new immune evasion strategy. The study presents solid evidence on the cleavage of VgrG2B by Caspase 11 and ...