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「fission」の共起表現一覧(1語右で並び替え)

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officials on energy acquisition from nuclear fission, after the Army withdrew most of its funding.
y disruption of a parent body after impact or fission after an oblique impact.
joint US/USSR technology exchange program for fission and fusion power.
PA is known to play roles in both vesicle fission and fusion, and these roles may relate to the
eriospecific lipid membranes through frequent fission and fusion of racemic pre-cells.
evelopment of the science surrounding nuclear fission and nuclear fusion.
litting, loop peeling, tiling, loop fusion or fission, and transformation of imperfectly nested loo
concentrations of U-235 if the neutrons from fission are moderated to lower their speed, since the
decaying vegatation, and reproduce by binary fission as do all amoeba.
missioned to produce plutonium-239 by nuclear fission as part of the Manhattan Project, the United
erials are very much less than produced using fission because of the short lifetimes of the materia
pression by realizing that radiation from the fission bomb would compress the thermonuclear fuel mu
ing the common design Tsetse primary or first fission bomb stage.
The Tsetse was the common design nuclear fission bomb core for several Cold War designs for Am
The Robin was the common design nuclear fission bomb core for several Cold War designs for Am
The primary stage was a TX-5 boosted fission bomb in a separate space atop the assembly (s
of deuterium / tritium gas inside the primary fission bomb to increase its yield.
" as well but was more similar to a "boosted" fission bomb than a megaton range hydrogen bomb.
e of hydrogen bomb and the fact that it was a fission bomb was kept secret by the government until
China would manage to develop a fission bomb capable of being put onto a nuclear miss
Primary is the technical term for the fission bomb trigger of a thermonuclear or fusion bom
Primary is the technical term for the fission bomb component of a thermonuclear or fusion b
Radiation from a primary fission bomb compresses a secondary section containin
This was a large fission bomb which was hoped to arm a future ballisti
adioactive material would not be useful for a fission bomb, but could be used in a dirty bomb.
In 1949, the Soviets exploded their first fission bomb, and in 1950 President Truman ended the
ntially works like a slowly exploding nuclear fission bomb.
Salted fission bombs can be made by replacing the tamper bet
Joe 4's yield was 15% to 20% fusion, the rest fission boosted by the fast neutrons released in the
ecause Pu-240 sometimes undergoes spontaneous fission, causing the weapon to detonate prematurely),
A fission chain reaction produces intermediate mass fra
elements that can be made to undergo nuclear fission chain reactions in a nuclear fission reactor;
led delayed neutrons, which contribute to the fission chain reaction.
development were making modifications to the fission core in order to accept the gas correctly wit
n was reportedly the common Python primary or fission core used by the US B28 nuclear bomb, W28 nuc
The W45 used a common nuclear fission core called the Robin primary, which was used
etectors in the measurement of the + particle fission cross-section of uranium, by Samar Mubarakman
he monitoring and effects of man-made nuclear fission decay products, where it serves as both trace
If a fission device designed for boosting is tested withou
rch derived from Hurricane, the first British fission device (which was not designed nor employed a
It was a fission device with a nominal yield of 1.7 kt.
of the W54 warhead, a very small sub-kiloton fission device.
nder do when illuminated by the X-rays of the fission device.
um or U-238 tamper-pusher which would undergo fission during the second stage fusion burn, doubling
Peptidoglycan is also involved in binary fission during bacterial cell reproduction.
etic distribution which is important to study fission dynamics from saddle to scission point.
is a neutron immediately emitted by a nuclear fission event, as opposed to a delayed neutron decay
The method involves using the number of fission events produced from the spontaneous decay of
Abelson created neptunium, while conducting a fission experiment of uranium-239 with neutrons, usin
University which conducted the first nuclear fission experiment in the United States, which was co
the device to be compressed and heated by the fission explosion, a fission yield of 250 tons is suf
d secondary is heated from within by a second fission explosion.
siderations would limit the potential size of fission explosions, but that a fusion explosion could
the shell to function as either a 'standard' fission explosive, or an "enhanced radiation" (neutro
At MIT he conducted research in fission fine-structure and beta decay theory until hi
5 and W58 warheads shared a common Primary or fission first stage, and that this design was nicknam
5 and W58 warheads shared a common Primary or fission first stage, and that this design was nicknam
ly) W30 warheads both use a common Primary or fission first stage, and that this design was nicknam
The fission fragments of the uranium create excited plasm
ed laser is a laser pumped with the energy of fission fragments.
The "supergrade" fission fuel, which has less radioactivity, is used i
ux research reactor produces neutrons through fission in a specially designed, compact-core fuel el
Trophozoites: these multiply by binary fission in the erythrocytes and form pairs. Filaments
clei that were present, and which also caused fission in uranium-238 - which does not fission under
"The rate of fission in a reactor is not capable of reaching suffi
made the first successful controlled nuclear fission in a temporary building.
discoveries leading to the science of nuclear fission in the 1930s, through the Manhattan Project a
e proven wrong after the discovery of nuclear fission in 1938.
s) the neutrons which are produced by nuclear fission, increasing the chances of the high energy ne
Fusion, unlike fission, is relatively "clean"-it releases energy but
Fission is a Swedish melodic death metal band formed
amount of Pu-240 which is a high spontaneous fission isotope (see above).
at Kharan Desert, and it was reported to be a fission made from weapon grade plutonium.
with an enhanced radiation model, then a pure fission model, and finally was simply canceled in 198
nergies in a nuclear reactor differs from the fission neutron spectrum due to the slowing down of n
In a fission nuclear reactor, uranium-238 can be used to b
be released only by the processes of nuclear fission, nuclear fusion, or the annihilation of some
The W31 is a boosted fission nuclear bomb.
Ivy King was the largest pure fission nuclear bomb ever tested by the United States
n designs by neutrons produced by spontaneous fission of plutonium-240.
, E. Fermi, G. N. Glasoe, and F. G. Slack The Fission of Uranium, Phys.
to detect the energy released in the nuclear fission of uranium from neutron bombardment.
percentage of the yield was produced by fast fission of the natural uranium "tamper"; 7 megatons o
gous to the chain reaction that occurs in the fission of neutrons in a nuclear reactor and has been
d in small quantities, due to the spontaneous fission of natural uranium, by cosmic ray spallation
ird of the generated power does come from the fission of Pu-239, which is not supplied as a fuel to
on of mass of final fragments from low energy fission of uranium 234 and uranium 236, presents a pe
Chadwick's discovery was crucial for the fission of uranium 235.
(1) by repeated binary fission of the chromatin with eventual splitting of t
129I is primarily formed from the fission of uranium and plutonium in nuclear reactors.
Showed from work of Cartan that fission of a planet by rotation would give two indepe
ikely to absorb a neutron, and more likely to fission on neutron absorption, than isotopes of even
In nuclear fission, one atom of plutonium splits into two.
diation poisoning, without relying on nuclear fission or nuclear fusion.
tion with an alpha particle or the capture of fission or thermal neutron.
e products, the process is known as homolytic fission or homolysis.
Modular Helium Reactor (GT-MHR) is a nuclear fission power reactor design under development by Gen
"Energy Multiplier Module" (EM2) is a nuclear fission power reactor under development by General At
These nuclear fission pressurized water reactors (PWRs) were jointl
Fission, primarily "fast" fission of the natural uran
huck Hansen, the W34 Python was a gas-boosted fission primary used in several designs of American t
Kinglet was a boosted fission primary used in two designs of American therm
st fired in Operation Hardtack I in 1958; the fission primary (see Teller-Ulam design) was test fir
ncept, corresponding with the size of the B61 fission primary alone.
e nuclear fuel (uranium-238) absorbs from the fission process as the fuel temperature increases.
The Fission Product Pilot Plant, building 3515 at Oak Rid
of the reactor were used in physics studies, fission product separations, tritium recovery from ir
xenon, because the isotope 135Xe, a secondary fission product with a half-life of about 9 hours, is
urally in the Earth's crust (as a spontaneous fission product of uranium-238 or by neutron capture
sity whose research was engaged in Long-lived fission product and Electrostatic nuclear accelerator
ctive isotope of caesium which is formed as a fission product by nuclear fission.
Unstable fission product nuclei transmute into many different
divided by an adjoint weighted average of the fission production.
n produced promethium both by extraction from fission products and by bombarding neodymium with neu
ere is an upsurge in the recovery of valuable fission products which reflects in the form of articl
t 20 seconds, when the fireball forms and the fission products mix with the material aspired from t
g with approximately 20% of the bomb's normal fission products into the atmosphere.
Nothing goes to waste: Fission products and gamma rays produced by nuclear r
As the fuel fissions, the radioactive fission products are also contained by the cladding,
fuel cladding that allows the nuclear fuel or fission products in the form of dissolved radioisotop
These fission products were thoroughly mixed with the two m
Fission products and actinides produced by neutron ab
alt while the reactor was operating to remove fission products (the 'nuclear ashes') and add new fu
Short-lived reactor poisons in fission products strongly affect how nuclear reactors
They need far less fuel, and far less fission products build up as the fuel is used.
This released 740 PBq (20 MCi) of fission products, of which 74 PBq(2 MCi) drifted off
0-190 metric tons of uranium dioxide fuel and fission products.
s when exposed to alpha particles and nuclear fission products.
posed of lighter atoms, notably the so-called fission products.
nium yields in the presence of high intensity fission products.
It is one of only 7 long-lived fission products.
aker explosion produced about three pounds of fission products.
He published extensively on the properties of fission products.
more than one way, as activation products or fission products.
ons are associated with the beta decay of the fission products.
its high uranium content and contamination by fission products.
t is near the lower end of the mass range for fission products.
and provides a stable matrix for many of the fission products; however to prevent fission products
The muzzle velocity required for a 235U fission reaction is much lower, reducing the barrel l
d the creation of one of the first steps of a fission reaction by placing two half-spheres of beryl
e U-238 bomb casing), causing it to undergo a fission reaction, providing about half of the total e
he antiprotons used to initialize the nuclear fission reaction.
These fission reactions were sustained for hundreds of thou
criticality - the point at which the nuclear fission reactions reach a self-sustaining level.
Self-sustaining nuclear fission reactions took place in these reactors approx
will slow neutrons sufficiently to allow for fission reactions to take place; the U-235 atoms with
rrent understanding and experience of nuclear fission reactions suggests that the molten mass would
The fission reactions though, especially the last fission
can contribute some one to ten percent of all fission reactions in a reactor, but too few of the ab
Within a nuclear fission reactor the neutron flux is primarily the for
The VM-5 reactor was the nuclear fission reactor used in a pair to power the Soviet Na
The KLT-40 reactor is a nuclear fission reactor used in pairs to power Arktika-class
The VM-A reactor was the nuclear fission reactor used in pairs to power the Soviet Nav
The OK-550 reactor is the nuclear fission reactor used to power three of the seven boat
The BM-40A reactor is the nuclear fission reactor used to power four of the seven boats
uranium deposit behaved as a natural nuclear fission reactor in Precambrian times: Some of the min
The OK-650 reactor is the nuclear fission reactor used singly to power the Soviet Navy'
HiPEP or NEXIS engine, and powered by a small fission reactor.
the OK-900 reactor are Soviet marine nuclear fission reactors used to power ships at sea.
Although nuclear fission reactors are often thought of as being solely
The natural nuclear fission reactors of Oklo: (1) Nuclear reactor zones.
Research and Development) before the work of fission research was taken over by the Manhattan Engi
ow worked out the Dominator scheme: a nuclear fission seed will be dropped down the bore hole which
could be made deployable, but also that final fission stage created large amounts of nuclear fallou
If the last fission stage is omitted, by replacing the uranium ta
used the Tsetse primary design for its first fission stage, along with several mid and late 1950s
used the Tsetse primary design for its first fission stage, along with several mid and late 1950s
ron bomb is a hydrogen bomb without the final fission stage.
If at least one neutron from the U-235 fission strikes another nucleus and causes it to fiss
If at least one neutron from U-235 fission strikes another nucleus and causes it to fiss
e when Pu-239 captures a neutron it undergoes fission; the rest of the time it forms Pu-240.
nvestigating the possibility of using nuclear fission to develop new weapons.
Fission track analysis of these minerals provides inf
Fission track dating is a radiometric dating techniqu
Fission track dating of apatite give ages of 72 to 78
tor data, including vitrinite reflectance and fission tracks in the minerals apatite and zircon.
Fission tracks are sensitive to heat, and therefore t
Most current research using fission tracks is aimed at: a) understanding the evol
rom the early Sun, and (iii) the discovery of fission tracks from extinct isotopes of Plutonium 244
r-armed variant was planned using a low-yield fission warhead code-named Winkle.
It has a yield of 500 kts and is boosted fission warhead based on highly enriched uranium comb
It had a similar 60 to 70 kilotons yield fission warhead to the earlier AN-11, but with enhanc
to the minimum practical size and yield for a fission warhead).
tional high-explosive or a 10 kt W-40 nuclear fission warhead.
rations imply that reproduction by transverse fission was also quite likely as a more primitive bac
shots of May 1951 included the first boosted fission weapon test ("Item") and a scientific test wh
d that one model of US conventional implosion fission weapon cost $1.25 million per unit produced,
ravity bomb known as "Little Boy", a gun-type fission weapon with 60 kilograms (130 lb) of uranium-
enhouse "Item" was the first use of a boosted fission weapon, and "George" was a thermonuclear expe
ead with a variable yield of 17 kilotons as a fission weapon, or 210 kilotons as a fusion weapon wi
s for "gun", since the warhead was a gun-type fission weapon.
m configuration or simply a form of a boosted fission weapon.
'spike'), a design referred to as a gun-type fission weapon.
ould have been required to arm a contemporary fission weapon.
This is known as a boosted fission weapon.
The Mark 5 and W5 were a pure fission weapon.
istory of nuclear weapons, the development of fission weapons was never strongly hindered by basic
This operation was named Chagai-I, and fission weapons were evidently made from the HEU, cam
injection of tritium (in the case of boosted fission weapons), with the internal surface lined wit
ine-131 (a short-half-life product of nuclear fission) were reportedly detected in the thyroid glan
                                                                                                   


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