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initial and fission
In this reaction, a neutron plus a fissionable atom causes a fission resulting in a larger number of neutrons than the single one that was consumed in the initial reaction.
Hydrogen bombs use the energy from an initial fission explosion to create an even more powerful fusion explosion.
The energy given off during either nuclear fusion or nuclear fission is the difference between the binding energies of the " fuel ", i. e., the initial nuclide ( s ), and the fission or fusion products.
Meanwhile, inside the exploding bomb, the free neutrons released by fission carry away about 3 % of the initial fission energy.
The initial impetus behind the two-stage weapon was President Truman's 1950 promise to build a 10-megaton hydrogen superbomb as the U. S. response to the 1949 test of the first Soviet fission bomb.
If the perfect quantity of fuel were added to a slightly subcritical mass, to create a barely supercritical mass, the temperature of the assembly would increase to an initial maximum ( for example: 1 K above the ambient temperature ) and then decrease back to room temperature after a period of time, because fuel consumed during fission brings the assembly back to subcriticality once again.
* Nuclear reaction, a process in which nuclei or nuclear particles interact, resulting in products different from the initial ones ; see also nuclear fission and nuclear fusion
The neutrons result almost exclusively from the fission and fusion reactions, while the initial gamma radiation includes that arising from these reactions as well as that resulting from the decay of short-lived fission products.
For a reactor that is SCRAMed after holding a constant power level for an extended period ( greater than 100 hrs ), about 7 % of the steady-state power will remain after initial shutdown due to fission product decay.
Since the nuclei that can readily undergo fission are particularly neutron-rich ( e. g. 61 % of the nucleons in uranium-235 are neutrons ), the initial fission products are almost always more neutron-rich than stable nuclei of the same mass as the fission product ( e. g. stable ruthenium-100 is 56 % neutrons ; stable xenon-134 is 60 %).
A few neutron-rich and short-lived initial fission products first decay by emitting a neutron.
Some of the nuclei resulting from the fission are radioactive isotopes with short half-lives, and nuclear reactions among them release additional neutrons after a long delay of up to several minutes after the initial fission event.
( 2003 ) indicates that: "( 1 ) there is an underlying unity of female lineages in India, indicating that the initial number of female settlers may have been small ; ( 2 ) the tribal and the caste populations are highly differentiated ; ( 3 ) the Austro-Asiatic tribals are the earliest settlers in India, providing support to one anthropological hypothesis while refuting some others ; ( 4 ) a major wave of humans entered India through the northeast ; ( 5 ) the Tibeto-Burman tribals share considerable genetic commonalities with the Austro-Asiatic tribals, supporting the hypothesis that they may have shared a common habitat in southern China, but the two groups of tribals can be differentiated on the basis of Y-chromosomal haplotypes ; ( 6 ) the Dravidian tribals were possibly widespread throughout India before the arrival of the Indo-European-speaking nomads, but retreated to southern India to avoid dominance ; ( 7 ) formation of populations by fission that resulted in founder and drift effects have left their imprints on the genetic structures of contemporary populations ; ( 8 ) the upper castes show closer genetic affinities with Central Asian populations, although those of southern India are more distant than those of northern India ; ( 9 ) historical gene flow into India has contributed to a considerable obliteration of genetic histories of contemporary populations so that there is at present no clear congruence of genetic and geographical or sociocultural affinities.
In a fission theory the preformation probability is the penetrability of the internal part of the barrier from the initial turning point R < sub > i </ sub > to the touching point R < sub > t </ sub >.
Lighter isotopes of technetium are almost never produced in fission because the initial fission products normally have a higher neutron / proton ratio than is stable for their mass range, and therefore undergo beta decay until reaching the ultimate product.
The primary decay modes before the most stable isotope, Pu-244, are spontaneous fission and alpha emission ; the initial mode after is beta emission.

initial and products
In simpler term, Biotechnology is the research and development in the laboratory that involves bioinformatics for exploration, extraction, exploitation and production from any living organisms and any source of biomass by means of biochemical engineering where high value-added products could be planned ( reproduced by Biosynthesis, for example ), fore-casted, formulated, developed, manufactured and marketed for the purpose of sustainable operations ( for the return from bottomless initial investment on R & D ) and gaining durable patents rights ( for exclusives rights for sales, and prior to this to receive national and international approval from the results on animal experiment and human experiment, especially on the pharmaceutical branch of biotechnology to prevent any undetected side-effects on safety concerns by using the products ), for more about the biotechnology industry, see.
Here the analysis starts from the products, for example by splitting selected chemical bonds, to arrive at plausible initial reagents.
If two molecules react, not only molecules of the final reaction products are formed, but also some unstable molecules, having the property of being able to further react with the parent molecules with a far larger probability than the initial reactants.
It is the difference between the enthalpy after the process has completed, i. e. the enthalpy of the products, and the initial enthalpy of the system, i. e. the reactants.
Its initial market was 3D graphics display terminals, but its products, strategies and market positions evolved significantly over time.
" Despite this initial involvement, Wilson later criticized some of these products for exploiting the Illuminatus!
The initial era of wax crayons saw a number of companies and products competing for the lucrative education and artist markets.
It has gone far beyond its initial scope of protecting original inventions or cultural products and now permits the practice of patenting plants and animal forms as well as seeds.
A nontrivial group has pullbacks and pushouts, but not products, coproducts, equalizers, coequalizers, terminal objects, or initial objects.
A lumberjack is a worker in the logging industry who performs the initial harvesting and transport of trees for ultimate processing into forest products.
Later products managed to sell well despite the initial problems, and in 1996 the company completely redesigned its drive lines, introducing the Texas Instruments DSP-based DiamondMax series.
The initial date is largely attributed to the impact of the Great Depression of the 1930s, when Latin American countries, which exported primary products and imported almost all of the industrialized goods they consumed, were prevented from importing due to a sharp decline in their foreign sales.
Prior to implementing ISO 14001, an initial review or gap analysis of the organisation ’ s processes and products is recommended, to assist in identifying all elements of the current operation and if possible future operations, that may interact with the environment, termed environmental aspects ( Martin 1998 ).
Slow progress in UWB standards development, the cost of initial implementation, and performance significantly lower than initially expected are several reasons for the limited use of UWB in consumer products ( which caused several UWB vendors to cease operations in 2008 and 2009 ).
* High initial cost: The automation of a new product or plant typically requires a very large initial investment in comparison with the unit cost of the product, although the cost of automation may be spread among many products and over time.
The Ultra model actually outperforms the first GeForce 3 products in some cases, due to initial GeForce 3 cards having significantly lower fillrate.
Their initial products were bolts with heads electrically welded to the shafts.
The initial DirectBand products were a series of data watches.
The new company served as a certificate authority ( CA ) and its initial mission was " providing trust for the Internet and Electronic Commerce through our Digital Authentication services and products.
Satisfying tourists ' interests such as landscapes, seascapes, art, nature, traditions, ways of life and other products associated to them-which may be categorized cultural in the broadest sense of the word, is a prime consideration as it marks the initial phase of the development of a cultural destination.

initial and therefore
Radiation, therefore, is at an initial cost disadvantage even though only 1 to 10 per cent as much radiation energy as heat energy is required for radiopasteurization or radiosterilization.
Corroborating evidence ( in " corroboration ") is evidence that tends to support a proposition that is already supported by some initial evidence, therefore confirming the proposition.
However, is not a phoneme in Mandarin, which has no voiced plosives, therefore the initial voicing of is not significant to the Chinese listener.
These processes reduce the state of order of the initial systems, and therefore entropy is an expression of disorder or randomness.
Everything that has happened since has therefore been planned by God to help humanity overcome this initial mishap and achieve spiritual maturity.
Once a natural monopoly has been established because of the large initial cost and that, according to the rule of economies of scale, the larger corporation ( to a point ) has lower average cost and therefore a huge advantage.
KV is therefore the energy barrier associated with the magnetization moving from its initial easy axis direction, through a “ hard plane ”, to the other easy axis direction.
" A shift was, therefore, clearly visible among many Islamic movements in the post war period " from an initial Islamic ideological rejection of Saddam Hussein, the secular persecutor of Islamic movements, and his invasion of Kuwait to a more populist Arab nationalist, anti-imperialist support for Saddam ( or more precisely those issues he represented or championed ) and the condemnation of foreign intervention and occupation.
That means, define E ≤ F if E is an initial segment of F and the ordering of the members in E is the same as their ordering in F. If E is a chain in A, then the union of the sets in E can be ordered in a way that makes it a continuation of any set in E ; this ordering is a well ordering, and therefore, an upper bound of E in A.
The initial spontaneous emission is therefore amplified in the same manner as the signals, hence the term Amplified Spontaneous Emission.
Gilbert, Sullivan and Carte believed that this break ended the initial run, and, therefore, ended the company's rights.
Interstellar gas therefore contains declining initial abundances of these light elements, which are present only by virtue of their nucleosynthesis in the Big Bang.
Aconite first stimulates and later paralyses / numbs the nerves to the sensations of pain, touch, and temperature if applied to the skin or to a mucous membrane ; the initial tingling therefore gives place to a long-continued anaesthetic action.
Gram was a modest man, and in his initial publication he remarked " I have therefore published the method, although I am aware that as yet it is very defective and imperfect ; but it is hoped that also in the hands of other investigators it will turn out to be useful.
The music is made up, therefore, of nothing more than the results of applying the phasing process to the initial twelve-note melody-as such, it is a piece of process music.
Another regional variation, especially popular in Canada, and therefore sometimes referred to as ' Canadian Rules ', is that if the partner of the dealer orders him / her up ( forcing the dealer to pick up the turned card ) during the initial bidding, then the dealer is automatically forced out, and the dealer's partner plays a lone hand.
Heat transfer is a path function ( or process quantity ), as opposed to a state quantity ; therefore, the amount of heat transferred in a thermodynamic process that changes the state of a system depends on how that process occurs, not only the net difference between the initial and final states of the process.
The initial role of the musket was as a specialist armour piercing weapon ; it therefore coexisted with the arquebus over the period c. 1550 – c. 1650.
The initial design goal was to create a 16-bit standard, and Han unification was therefore a critical step for avoiding tens of thousands of character duplications.
First, the layers of fuelwood take in the heat from the initial tinder / kindling therefore it is not lost to the surrounding ground.
Micropsia can be caused by swelling of the cornea due to infection by the Epstein-Barr virus ( EBV ) and can therefore present as an initial symptom of EBV mononucleosis, a disease caused by Epstein-Barr virus infection.
Swallowing therefore depends on coordinated interplay between many various muscles, and although the initial part of swallowing is under voluntary control, once the deglutition process is started, it is quite hard to stop it.
It was therefore necessary to employ two types of test subjects in order to develop initial data sets.
Since force equals the rate of change in momentum and the initial momenta are zero, the force on the bullet must therefore be the same as the force on the gun / shooter.
At the time Ford wanted to compete in group A touring cars and therefore eligible to produce a limited run of 10 % of the initial production, therefore this would be 500 cars.

1.047 seconds.