A |
B |
C |
D |
E
F |
G |
H |
I |
J |
K
L |
M |
N |
O |
P
Q |
R |
S |
T |
U
V |
W |
X |
Y |
Z
|
|
A| B | C| D | E | F | G|H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
- Half-life
- the time it takes for half of the atoms of an unstable substance to change to the next substance in the decay chain
- Hardrock
- minerals or rock (such as quartz, copper, zinc, uranium) which can be mined only by blasting and drilling
- Heavy water
- a form of water occurring at a level of 1 part heavy water per 7000 in natural water; contains a variant (isotope) form of hydrogen having a larger mass than normal hydrogen; used to slow down the speed of neutrons during the fission process in CANDU reactors in order to increase the incidence of fission necessary to perpetuate the chain reaction
- Hydration
- the chemical combination of water with other substances. Water becomes part of the resulting chemical compound
- Hydrocarbon
- an organic chemical compound containing hydrogen and carbon; may contain oxygen. Both oil and coal are hydrocarbons.
|
|
