Chemistry

radiotherapy

Radiation therapy (also called radiotherapy) is a cancer treatment that uses high doses of radiation to kill cancer cells and ...

safety integrity level

Determine the hazard’s SIL level by calculating the target RRF of each SIF. Determine the SIF’s minimum RRF. This ...

nuclear energy

Nuclear Energy Examples and Uses Nuclear Fusion. When you think about nuclear fusion, think about things fusing together. ...

cumene process

Cumene is produced from the distillation of coal tar and petroleum fractions or by the alkylation of benzene with propene ...

pulsed column

Pulsed columns are a type of liquid-liquid extraction equipment; examples of this class of extraction equipment is used at the ...

criticality accident

Criticality is an important nuclear safety hazard in plants where fissile material is processed (this includes fuel ...

thermal resistance

Thermal resistance is defined as the ratio of the temperature difference between the two faces of a material to the rate of ...

rare earth elements

Rare-earth oxides (clockwise from top center): praseodymium, cerium, lanthanum, neodymium, samarium, and gadolinium.

valve

Valve is the main developer and publisher of the critically acclaimed single-player Half-Life and Portal games and the ...

membrane filtration

Membrane filtration (MF) is a pressure-driven separation process that employs a membrane for both mechanical and chemical ...

osmosis

osmosis, the spontaneous passage or diffusion of water or other solvents through a semipermeable membrane (one that blocks the ...

deuterium

deuterium, (D, or 2H), also called heavy hydrogen, isotope of hydrogen with a nucleus consisting of one proton and one ...

base

base, in chemistry, any substance that in water solution is slippery to the touch, tastes bitter, changes the colour of ...

heat

Heat is based on the true story of Neil McCauley, a calculating criminal and ex-Alcatraz inmate who was tracked down by ...