- to the
percentage of the
contaminant plutonium-240 that it contains:
Supergrade 2–3%
Weapons grade 3–7% Fuel
grade 7–18%
Reactor grade 18% or more A nuclear...
-
intended for the Navy's
Tomahawk program. The W80 mod 0 (W80-0) used "
supergrade"
fission fuel,
which has less radioactivity, in the
primary in
place of...
- Kodaira, and
Donald C. Spencer, and in the
theory of Lie derivatives. A
supergraded Lie
superalgebra is a
further generalization of this
notion to the category...
- than 19%, and
power reactor-grade
contains 19% or more plutonium-240.
Supergrade plutonium, with less than 4% of plutonium-240, is used in U.S. Navy weapons...
-
plutonium therefore has plutonium-240
content limited to less than 7%.
Supergrade plutonium has less than 4% of the 240 isotope, and is used in systems...
-
grade is
separated into 10 steps. At one time,
there were also
three GS "
supergrades" (GS-16, GS-17 and GS-18);
these were
eliminated under the provisions...
- TLAM-N
cruise missile was
equipped with a W80-0 warhead. The W80-0 used
supergrade plutonium with less
inherent radioactivity, due to
missile storage in...
- pay rate
preservation for
certain postal workers,
provide additional supergrades in the
civil service, and
revise the
civil service retirement system...
- the
civil service in 1949, when the
General Schedule with its
three "
supergrades" (GS-16
through GS-18) was created, and then
following creation of the...
-
those civil servants who had
reached the
pinnacle of
their careers, the "
supergrades."
These people could not be
motivated by
further promotion and would...
