单词 | Fission |
例句 | 1. The fission of the cell could be inhibited with certain chemicals. 2. All commercial nuclear power is provided by fission at the present time. 3. So fission power is an even worse idea. 4. Controlled fusion has fewer obvious negative aspects than fission. 5. Some of the fission fragments are themselves radioactive. 6. The objective was to use a relatively small fission device to trigger-off a thermonuclear reaction of arbitrarily large yield. 7. In the mid-1950's nuclear fission had still to be turned into a commercial power source. 8. The most important are nuclear fission, wind, wave and tidal energy sources and solar energy by direct conversion and biomass. 9. Both radioactive fission products and induced radioactivity in structural materials contribute to the problem of radioactive waste. 10. Start to phase out nuclear fission power stations, which are prohibitively expensive and potentially hazardous. 11. They get electrical power from fission rods, and then they throw the fission rods into the briny sea. 12. The discovery of nuclear fission is a typical case. 13. Nuclear fission releases tremendous amounts of energy. 14. Viruses do not undergo binary fission. 15. The amount of material produced during fission is insignificant. 16. Energy is released by the fission of atomic nuclei. 17. The particles disintegrated during the nuclear fission process. 18. Standard nuclear fission will generate the heat. 19. Nuclear energy is liberated as a result of nuclear fission. 20. The isotope U-235 is unstable, decaying by a process called spontaneous fission.Sentencedict 21. Iron nuclei have the largest binding energy per nucleon; hence neither fission nor fusion can release further energy. 22. Eventually they may take over a small group when the large parent troop undergoes fission as increasing size produces social instability. 23. And the loss of the ally may be the trigger which will start chain fission. 24. Containing nuclear waste Anti-nuclear campaigners sometimes claim that nuclear fission and its dangerous products are a purely manmade phenomenon. 25. The plutonium path Plutonium is a by-product of the controlled fission reaction in a nuclear reactor. 26. This was done because in theory fusion neutrons could be an alternative to fission reactors for making fissile elements for weapons. 27. Plutonium is a unique and inevitable by-product of nuclear fission. 28. Perhaps this is a reflection of the problems that have plagued nuclear fission. 29. An obvious and technically achievable alternative to fossil fuel combustion is nuclear fission. 30. Honeybee is polyandry and eusocial-insect that they produce by colony fission and swarming who communicate with dancing and pheromone. 1. The fission of the cell could be inhibited with certain chemicals. 2. All commercial nuclear power is provided by fission at the present time. 31. In the paper, large deformation of symmetry fission has been described by a biquadratic surface revolution instead of several quadratic equations. 32. The latter property of nuclear fission has a significant implication. 33. Fission begins with division of the nucleus by mitosis, followed by cytoplasmic division, and sometimes sporulation . 34. Principal Fission is defined as the reality of society based on computing network, which exists while the virtual society is, symbolized. 35. Or it can have a collision that can create a fission neutron which then is tracked as well as the start of a fission which may be in a quite different place. 36. The characteristics of the different fuel cycle options are analyzed from the view point of sustainable development of nuclear fission energy. 37. The precision of this method depends mainly on the counts of the fossil fission tracks and the error of the thermal neutron fluence. 38. The inherent factors that decide its multiplication are the features as fission , function inconstancy and rarity. 39. This year the focus has been fission karma and how it causes everything to break apart. 40. Using uranium fission chambers of minitype slab in the case of 14 MeV neutrons penetrating through the special experiment model, the pure 238U absolute fission rates are measured. 41. The teacher explained the principles of nuclear fission to the class. 42. In some countries that secrecy stemmed from the military uses nuclear fission. 43. Uranium 235 -- the fuel inside a nuclear reactor -- undergoes nuclear fission. 44. The world at large was less well prepared for the exploitation of nuclear fission. 45. So you have neutrons actually getting into the thermal energy range and then these neutrons become absorbed, not capable of producing fission. 46. When you split a uranium 235 atom you will create what we call fission fragments. 47. As a result, there is less attenuation of the gamma rays from the fission products. 48. The fission track analysis method was used for the age determination of tektite. 49. So the impact of fuel assemblies burn-up on core fission neutron source parameters shall be considered in the neutron transportation calculation. 50. This paper summarized the research present situation of nuclear chemistry, mainly expounded the nuclear chemical reaction principle, including nuclear decay,[http:///fission.html] nuclear fission and nuclear fusion. 51. It was found that the neutron scattering influence on the fission neutron spectrum is rather essential and can noticeably change the shape of the fission neutron spectra. 52. The heterogeneity of the rurality and urbanity is clear-cutly presented in the great fission of knowledge status between the rural and the urban due to the reformation of educational system. 53. The extraction behaviors of actinides and the main fission products by the above compounds were studied. 54. For the neutron transportation calculation, accurate fission neutron source is the prerequisite and fundament ensuring that the calculation results are reliable. 55. Weapon-grade plutonium constitutes the primary fission material for India's nuclear weapon and it has plutonium enough to make 70 to 100 nuclear weapons. 56. The study of the influence of neutron scattering by the surrounding medium and fragment detector on fission neutron spectrum measurement with time-of-flight (TOP) method has been carried out. 57. A neutron striking a uranium 235 atom, releasing some gammas and some neutrons, creating two fission fragments which themselves have a distribution of occurrence. 58. Energy is released by a nuclear reaction from either fission or a fusion. 59. Cosmic ray spallation is a form of naturally occurring nuclear fission and nucleosynthesis. It refers to the formation of elements from the impact of cosmic rays on an object. 60. The transmission factor describes the gradual opening of a fission channel as the energy approaches the fission barrier. 61. The nuclear reaction can be controlled utilizing rods made of neutron-absorbing material, such as boron, essentially shutting down the fission process. 62. And you can see a very high energy as uranium 238 does have a fission cross section which in some ways can be used in fast reactors. 63. The micro- and nano-science and technology have played and will continuously play a unique role in advanced nuclear fission energy system. 64. For example, production of xenon 136 began at Oklo only about a minute after the onset of self-sustained fission. 65. Faith in controlled nuclear fission is now being shown by the construction of atomic power stations. 66. And the energy is relatively large, 168 MEV per fission. 67. In a fission reaction, the light particle (the free neutron) collides with the heavy particle (the uranium or plutonium isotope) which splits into two or three pieces. 68. Faith in controlled nuclear fission is now being shown by the construction of actomic power stations. 69. Birdbath bibcock has the branch of fission, monomer, you can be used according to actual condition. 70. The energy produced during atomic nuclear fission is great enough to destroy the whole city. 71. RESULTS:The morphology of Blastocystis hominis was found to include four types, namely vacuolized, granular, amoeboid and binary fission. 72. The authors describe the principle, experimental method and result of the measurement of fast neutron fission factor by means of a solid state nuclear track detector. 73. The unisexual person creates the personality development inevitably unidirectional, then causes the personality the fission and the personal character abnormality. 74. The average fission width can be obtained from a statistical argument. 75. The development and commercial application in large scale of fission energy have respectively 50 and 25-year-long history. 76. The time nuclear fission takes place vast energy is released. 77. The fission type rate meter and the circular gauge board increased in vehicle's lovable element. 78. Nuclear fission a process whereby a uranium nucleus absorbs a neutron, is not. 79. The energy comes from nuclear power reactors in the fissile material (nuclear fuel) for the release of fission fission energy. 80. The site has also has information on how carbon-14 and fission tracking dating work. 81. We can then look at uranium 238 which has a relatively low absorption thermal energy range and essentially has no fission cross section which is why we call uranium 238 a fertile atom. 82. Lithium - contained materials are often used as tritium breeders in the fusion reactor or fusion - fission reactor. 83. The fast neutron zone can give fast neutron spectrum and also is an amplifier for an external neutron source[http:///fission.html], and the thermal neutron zone is a fission zone and gives energy amplification. 84. A design is given about fast and high detection efficiency fission chamber for prompt neutron decay constant measurements. 85. He died a year before his German friend Otto Hahn discovered the fission of the uranium nucleus in 1938. 86. These teeth were then tested to determine their level of Strontium-90, a radioactive fission product that escapes in nuclear power plant emissions. 87. Fission begins with division of the nucleus by mitosis, followed by cytoplasmic division, and sometimes sporulation. Compare budding; fragmentation. 88. Much of their explosive power comes from fusing together hydrogen atoms to form heavier helium atoms, which releases far more energy than a fission bomb. 89. Nothing less than a fission bomb can ignite a thermonuclear reaction. 90. A test-ban won't stop someone trying to build a crude fission bomb without testing, it is true; after all, that technology is now more than 60 years old. 91. This is called a Fission Neutron Energy Spectrum based on the thermal fissioning of uranium 235. 92. And then of course as part of the absorption we have a fission cross section which, as I said earlier, is what we want to focus on so we can make some power and some heat. 93. Soliton self-frequency shift effect as well as fission of higher-order soli tons was observed in this experiment. Nonsoli tonic radiation made the spectrum broaden at the short wavelength direction. 94. To make an atomic bomb we have to use uranium 235, in which all the atoms are available for fission. 95. Nuclear fission would have been a dramatic discovery at any time. 96. But then you have some neutrons that do 235 end up being absorbed in the fuel, uranium 235 and then there's a certain likelihood that some of these neutrons absorbed in the fuel do not fission. 97. So if you take a certain volume and you have a certain amount of material, let's just take the fission cross section as the issue. 98. Caesium - 137 is a radioactive isotope, formed mainly through nuclear fission. 99. Material which is capable of producing energy by a self - sustaining chain reaction of nuclear fission. 100. Niels Bohr and John Wheeler published a theory of the dynamic process of fission. 101. When a fuel assembly comes out, highly radioactive fission products such as strontium 90 and cesium 137 are generating tens of kilowatts of heat. 102. Between the main body exists the question is the pedagogue and researcher's fission, the pedagogue and the learner is separated from, the learner and learner's faintness. 103. In some countries that secrecy stemmed from the military uses of nuclear fission. 104. Methlotrophic yeast and fission yeast S. pombe have received attention as a good foreign genes expression system. 105. And we've used a relatively simplistic term called Neutron Multiplication Factor which is the K that if the K equals one the neutron population is steady as is the fission rate. 106. Fukushima I-4's spent fuel alone, while in the reactor, had produced (over years, not in an instant) more than a hundred times more fission energy and hence radioactivity than both 1945 atomic bombs. 107. To explore the performances of a prompt fission or fusion reaction, sophisticated diagnostic techniques and equipments have been developed and established in China. 108. The majority radioactive fission products of the spent fuel elements in high temperature gas-cooled reactor(HTGR) is contained in the fuel element. 109. Indirect ionization by neutrons can also result from fission of plutonium or uranium isotopes. 110. It is rare to see a fission reactor in series connected to the low voltage side of the transformer in a step-down substation. 110. try its best to gather and create good sentences. 111. But roughly 5 percent of reactor waste is highly radioactive fission products, including plutonium and other actinides. 112. The role of the division ring in fission and other mechanism of amyloplast division are discussed. 113. Nuclear fission is more promising, but nuclear fuel is also finite. 114. Threeequivalent methods are studied, in which a few imaginary fission products. Inthis method the maximum error of the reactivity effect process is only about 2%in the whole burnup. 115. Based upon these experiments, a simple and rapid extraction method is proposed for the isolation of carrier-free alkaline earths and rare earths from fission products mixture. 116. The fission bomb that destroyed Hiroshima had the power of an estimated 15,000 tons of TNT. 117. The measurement of thermal neutron cross sections of long-lived fission products (LLFPs) also has practical application value in nuclear waste disposal. 118. Integrated over, and the only way you can make a fission is have material that's fissionable, times the flux over the volume. 119. The laboratory has designed, tested and evaluated a lightweight, low - yield fission device. 120. Now if you wanna calculate how much, if you fission one gram of uranium 235, you can, if you convert it to electricity, make twenty four thousand kilowatt hours of electricity, which is a lot. 121. Through a series of changes it formed a conjugant, then have a binary fission and product two new trichordinas. 122. Detailed descriptions of the fission neutron sources, the ionization chamber for fission fragment detection, the neutron detectors and the experimental arrangement are given. 123. In this paper we prove uniqueness and existence of the optimal fission cross section, and give the optimality condition. 123. is a sentence dictionary, on which you can find good sentences for a large number of words. 124. A three - dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission. 125. Fission thought - form creates a continuous breaking a part of the wholeness of self. 126. In unclassified documents, U. S. government scientists estimate that at least 70 percent of a fission bomb's yield typically emerges as x-rays. 127. Based on the fission theory of atomic orbital and atomic spectrum in various symmetry groups, the paper introduces the calculating method and the index system for the fission results in MATLAB. 128. Under the given condition, we have proved the existence and uniqueness of the minimum norm scattering fission cross section control element , and have given its corresponding optimality conditions. 129. Fear and uncertainty, which nuclear fission produces as unavoidably as it does iodine-131, distort people's perceptions of those risks. 130. Stipule and the rachis base gather live, the edge bamboo splint dentate fission, has the glandular hair . 131. Just weeks earlier, James Chadwick had discovered neutrons — the bullets of nuclear fission — and before long Enrico Fermi was shooting them at uranium atoms. |
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