Environmental groups had favored the idea as the most effective way to restore healthy runs of salmon and steelhead, many types of which are on the endangered species list.
Libanius's works include more than 50 orations of various types, of which the first is especially famous for its autobiographical character.
These proteins are generally known as transient receptor potential (TRP) channels, certain types of which are capable of detecting and responding to hot and cold.
Radionuclides emit various ionizing radiations (e.g., electrons, positrons, alpha particles, gamma rays, or even characteristic X rays), the precise types of which depend on the radionuclide in question.
The mining operations of the Middle Ages led to development of the suction (piston) pump, many types of which are described by Georgius Agricola in De re metallica (1556).
The pluripotent cells found in embryos, for example, can turn into any one of the 220 or so cell types of which a human body is formed.In this section Wild East or scientific feast?
A few months earlier Norway was fiercely criticised when it said it wanted to resume exports to Japan of whale-blubber, types of which are considered a delicacy there.Japan is also in trouble.
Nickel and manganese can be added to high-chromium (16 to 26 percent) stainless steels to form the austenitic types, of which the 18-percent-chromium 8-percent-nickel variety is probably the best known.
Other important safety devices used on automobiles and other vehicles include safety glass, the newer types of which deflect without breaking under severe stress; improved door locks that keep doors closed under severe conditions; and collapsible steering columns that telescope under impact, absorbing energy.
Imperial prerogative, so powerful an influence on western gold, had less effect on silver, the types of which in the West became more flexible; in bronze, where obvious efforts were at times made to link with traditional Roman design, flexibility was greater still.
