نتایج جستجو برای: nuclear industry
تعداد نتایج: 427839 فیلتر نتایج به سال:
The AUKUS agreement is the first in history to allow a non-nuclear country have nuclear-powered submarines, but not nuclear weapons. It pushes Australia–UK–US alliance level of closer military, scientific, and industrial community outlines prototype for new “maritime alliance.” internal relationship this alliance, more it will estrange China. seeks create “de-Sinicized” defense industry chain h...
Nuclear power remains a contentious issue for many. Its proponents point towards it being a cost-competitive, feasible route for meeting our ever growing appetite for energy, with relatively low greenhouse gas emissions (Nature Mater. 7, 679; 2008). Those against a nuclear-led energy policy cite concerns over the devastating impact a nuclear incident can have, as well as the complex scientific ...
following our previous presentation of a new three-fold symmetry for derivation of the magic numbers of nuclei based upon a quark state model of nuclei, here the nuclear binding energy is obtained from such new perspective. from this point of view, since each nucleon is made of three quarks, the binding energy of nuclei contains a volume term proportional to 3a (a is mass number). by considerin...
Abstract Background: Peaceful use of nuclear energy is great significance for ensuring security, reducing greenhouse gas emissions, and achieving sustainable development environmental-friendly. Nuclear safety the premise foundation civil power industry. As a country with largest scale plants under construction, preventing accidents properly best way to ensure safety. However, background environ...
This study has compared Japan’s major electricity and gas companies in terms of their corporate performance measures from 2002 to 2018 using three types Data Envelopment Analysis (DEA) approaches. We develop a new type efficiency indexes for DEA then compare the electric power city by examining recent data set that include years after Fukushima Daiichi Nuclear Power Plant accident. The incorpor...
The JAEA and JLAB energy-recovery IR free-electron lasers (ERL-FEL) have successfully demonstrated their capabilities of a sub ps pulse, high efficiency, GW high peak power, kW average power, and wide tunability. Utilizing the high power FEL and ERL technologies, we could realize a more powerful and more efficient FEL than 20kW and 25%, respectively, for nuclear industry, pharmacy, medical, def...
As of 1996, 48 nuclear power reactors were operating in five newly independent states (NIS) of the former Soviet Union: 29 units at nine sites in Russia, 15 units at five sites in Ukraine, a double unit plant in Lithuania, and one unit each in Armenia and Kazakstan. These nuclear power facilities need to be reliably protected against possible radiological sabotage or terrorism. The post-Soviet ...
One of the issues facing the nuclear power industry is how to store spent nuclear fuel which is contaminated with radionuclides produced during nuclear fission, including caesium ((134)Cs(+), (135)Cs(+) and (137)Cs(+)) and cobalt ((60)Co(2+)). In this study, we have isolated Co(2+)- and Cs(+)-resistant bacteria from water collected from a nuclear fuel storage pond. The most resistant Cs(+) and ...
This paper reviews the historical development of the probabilistic risk assessment (PRA) methods and applications in the nuclear industry. A review of nuclear safety and regulatory developments in the early days of nuclear power in the United States has been presented. It is argued that due to technical difficulties for measuring and characterizing uncertainties and concerns over legal challeng...
This article examines the responses of Welsh poets, writing in both English and Welsh, to nuclear power period after Chernobyl disaster April 1986. Fall-out from contaminated upland areas North Wales adjacent country's two stations, Trawsfynydd Wylfa, prompting a backlash against industry. poets played key roles anti-nuclear movement during 1980s 1990s, poems that respond threats closer home. F...
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