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"Pre-University Course" (PUC) is 2-Year Senior Secondary Course and it is an intermediate level of education in the state of Karnataka, India and it collectively refers to 11th and 12th Grades officially in these states and offered in Junior Colleges or Pre-University Colleges instead of Senior Secondary Schools so only 11th and 12th grades are ...
Process of successive neutron capture from 239 Pu through 245 Cm, including 241 Pu. Plutonium-241 is a beta emitter with a half-life of 14.3 years, corresponding to a decay of about 5% of 241 Pu nuclei over a one-year period. This decay has a Q-value of 20.78 ± 0.17 keV and a mean of 5.227 ± 0.043 keV, and does not emit gamma rays. [1]
Plutonium-242 is produced by successive neutron capture on 239 Pu, 240 Pu, and 241 Pu. The odd-mass isotopes 239 Pu and 241 Pu have about a 3/4 chance of undergoing fission on capture of a thermal neutron and about a 1/4 chance of retaining the neutron and becoming the following isotope. The proportion of 242 Pu is low at low burnup but ...
The odd numbered fissile plutonium isotopes present in spent nuclear fuel, such as Pu-239, decrease significantly as a percentage of the total composition of all plutonium isotopes (which was 1.11% in the first example above) as higher and higher burnups take place, while the even numbered non-fissile plutonium isotopes (e.g. Pu-238, Pu-240 and ...
Student Centre, Panjab University. Panjab University Campus Students Council or PUCSC is Students' union consisting of the departmental representatives and other office bearers like President, Vice-President, Secretary and Joint-Secretary along with 123 Departmental Representatives (DRs) [1] [2] directly elected by the students from the various teaching departments on the Panjab University ...
Plutonium-244 (244 Pu) is an isotope of plutonium that has a half-life of 81.3 million years. This is longer than any other isotope of plutonium and longer than any other known isotope of an element beyond bismuth, except for the three naturally abundant ones: uranium-235 (704 million years), uranium-238 (4.468 billion years), and thorium-232 (14.05 billion years).
Additionally, the formal +2 oxidation state of plutonium is known in the complex [K(2.2.2-cryptand)] [Pu II Cp″ 3], Cp″ = C 5 H 3 (SiMe 3) 2. [5] A +8 oxidation state is possible as well in the volatile tetroxide PuO 4. [6] Though it readily decomposes via a reduction mechanism similar to FeO 4, PuO 4 can be stabilized in alkaline solutions ...
Shimer College students taking a comprehensive exam, 1966.. In higher education, a comprehensive examination (or comprehensive exam or exams), often abbreviated as "comps", is a specific type of examination [1] that must be completed by graduate students in some disciplines and courses of study, and also by undergraduate students in some institutions and departments.