Chinese Attitudes Towards Nuclear Weapons, 1964–9

1972 ◽  
Vol 50 ◽  
pp. 244-271
Author(s):  
Jonathan D. Pollack

10 1969 was not only the 20th anniversary of the founding of the Chinese People's Republic (C.P.R.); it also marked the culmination of China's fifth year as a nuclear power. During this five-year period there were 10 detonations, three of which were thermonuclear and one of which was tested underground. At least one of the warheads was fired from a guided missile. According to one estimate, current defence expenditures amount to 10 per cent. of China's gross national product, and one-fifth of this outlay is devoted to nuclear research and development alone. A large portion of China's advanced scientific and technical manpower has also been assigned to this field. Although an adequate delivery system for this limited nuclear capability, as of November 1971, is not known to be operational, China's progress in the research and development of advanced weapons has clearly been substantial. The launching of Chinese satellites in 1970 and 1971 and the likelihood of an intercontinental ballistic missile (ICBM) test in the near future are further evidence of major technological achievement. Peking's entry, then, into the “nuclear club” has been a major concern of China's leaders; it has also had significant consequences for American defence planners. The explicit rationale for the Nixon Administration's expansion of the anti-ballistic missile (ABM) system in early 1970, for example, was to guard against the possibility of a Chinese attack in the 1980s and thus to assure the reliability of American defence commitments in East Asia and the Pacific.

Author(s):  
Alan Neal

UKAEA’s Winfrith site was built in the late 1950’s to undertake research and development into electricity generation from nuclear power. Pioneering scientific and technical work was carried out which resulted in a better understanding of nuclear issues, particularly nuclear safety. At its peak, Winfrith employed 2000 staff and at one time had nine operational nuclear reactors. The most noticeable landmark being the Steam Generating heavy Water Reactor (SGHWR) which, when in operation, provided the National Grid with enough electricity for a small town. In the early 1990’s the UK Government wound down its programme of nuclear R&D, and work started on restoring the environment of the Winfrith site by the progressive removal of the nuclear facilities. Winfrith has always been considered to be one of three key sites in Dorset for development of quality employment, and the site management, with the support of the DTI, decided to undertake a programme of environmental restoration that retained appropriate buildings and infrastructure systems that could be put to alternative long term use. To date, successes have been achieved in both the decommissioning work and also the establishment of tenants. All the fuel has been removed from the nuclear reactors and five reactors have been completely dismantled. Decontamination of other facilities has been completed. A notable example of this work is the return of a fuel fabrication building to a green field site. Another example was the decommissioning of a building that contained gloveboxes, and laboratories equipped with high efficiency filtered ventilation systems. This building was decommissioned, the area of land containing it delicensed, and the building leased to non-nuclear tenants. This thorough, painstaking process involved the use of recently developed industry techniques and required close working with the Nuclear Installations Inspectorate (NII). The tenant base is growing and at the end of 2002 there are 40 different companies resident on site with employee numbers ranging from 1 to several hundreds with a total of ∼ 1000 staff. In addition, the UKAEA programme employs ∼ 500 as staff and contractors. The larger tenants include QinetiQ and DSTL (both from the former Defence Evaluation and Research Agency), the Natural Environment Research Council’s Centre for Ecology and Hydrology, and RWE Nukem. The progressive decommissioning work continues and as UKAEA retreats across the site, from east to west, the non-nuclear research and development businesses move in. The range of work established at Winfrith provides a focus for its further development as a scientific and technical centre of excellence. Facilities have been created in partnership with the local council for small and start-up businesses, while strong links are being encouraged with universities that have an interest in areas such as environmental research. Together they will form a vital part of the commercial community, stimulating growth through technical interaction and innovation.


2021 ◽  
Author(s):  
Alison Macdonald ◽  
Sachiko Yoshida ◽  
Irina Rypina

<p>This investigation uses the tracer information provided by the 2011 direct ocean release of radio-isotopes, (<sup>137</sup>Cs, ~30-year half-life and <sup>134</sup>Cs, ~2-year half-life) from the Fukushima Dai-ichi nuclear power plant (FDNPP) together with hydrographic profiles to better understand the origins and pathways of mode waters in the North Pacific Ocean. While using information provided by radionuclide observations taken from across the basin, the main focus is on the eastern basin and results from analyses of two data sets 2015 (GO-SHIP) and 2018 (GEOTRACES) along the 152°W meridian. The study looks at how mode waters formed in the spring of 2011 have spread and mixed, and how they have not. Our radiocesium isotope samples tell a story of a surprisingly confined pathway for these waters and suggest that circulation to the north into the subpolar gyre occurs more quickly than circulation to the south into the subtropical gyre. They indicate that in spite of crossing 6000 km in their journey across the Pacific, the densest 2011 mode waters stayed together spreading by only a few hundred kilometers in the north/south direction, remained subsurface (below ~200 m) for most of the trip, and only saw the atmosphere again as they followed shoaling density surfaces into the boundary of the Alaska Gyre. The more recent data are sparse and do not allow direct measurement of the FDNPP specific <sup>134</sup>Cs, however they do provide some information on mode water evolution in the eastern North Pacific seven years after the accident. </p>


Author(s):  
Kau-Fui Vincent Wong ◽  
Guillermo Amador

As society continues advancing into the future, more energy is required to supply the increasing population and energy demands. Unfortunately, traditional forms of energy production through the burning of carbon-based fuels are dumping harmful pollutants into the environment, resulting in detrimental, and possibly irreversible, effects on our planet. The burning of coal and fossil fuels provides energy at the least monetary cost for countries like the US, but the price being paid through their negative impact of our atmosphere is difficult to quantify. A rapid shift to clean, alternative energy sources is critical in order to reduce the amount of greenhouse gas emissions. For alternative energy sources to replace traditional energy sources that produce greenhouse gases, they must be capable of providing energy at equal or greater rates and efficiencies, while still functioning at competitive prices. The main factors hindering the pursuit of alternative sources are their high initial costs and, for some, intermittency. The creation of electrical energy from natural sources like wind, water, and solar is very desirable since it produces no greenhouse gases and makes use of renewable sources—unlike fossil fuels. However, the planning and technology required to tap into these sources and transfer energy at the rate and consistency needed to supply our society comes at a higher price than traditional methods. These high costs are a result of the large-scale implementation of the state-of-the-art technologies behind the devices required for energy cultivation and delivery from these unorthodox sources. On the other hand, as fossil fuel sources become scarcer, the rising fuel costs drive overall costs up and make traditional methods less cost effective. The growing scarcity of fossil fuels and resulting pollutants stimulate the necessity to transition away from traditional energy production methods. Currently, the most common alternative energy technologies are solar photovoltaics (PVs), concentrated solar power (CSP), wind, hydroelectric, geothermal, tidal, wave, and nuclear. Because of government intervention in countries like the US and the absence of the need to restructure the electricity transmission system (due to the similarity in geographical requirements and consistency in power outputs for nuclear and traditional plants), nuclear energy is the most cost competitive energy technology that does not produce greenhouse gases. Through the proper use of nuclear fission electricity at high efficiencies could be produced without polluting our atmosphere. However, the initial capital required to erect nuclear plants dictates a higher cost over traditional methods. Therefore, the government is providing help with the high initial costs through loan guarantees, in order to stimulate the growth of low-emission energy production. This paper analyzes the proposal for the use of nuclear power as an intermediate step before an eventual transition to greater dependence on energy from wind, water, and solar (WWS) sources. Complete dependence on WWS cannot be achieved in the near future, within 20 years, because of the unavoidable variability of these sources and the required overhaul of the electricity transmission system. Therefore, we look to nuclear power in the time being to help provide predictable power as a means to reduce carbon emissions, while the other technologies are refined and gradually implemented in order to meet energy demand on a consistent basis.


Author(s):  
Amy Luan ◽  
BCIT School of Health Sciences, Environmental Health ◽  
Bobby Sidhu ◽  
Abderrachid Zitouni

  Abstract: Due to the Fukushima Daiichi Nuclear power plant incident in March 2011, large quantities of contaminated water were released to the Pacific Ocean in Japan. The severity of contamination on the marine environment is unclear, therefore, the public is concerned with the possible internal radiation exposure from ingesting contaminated seafood products caught in the Pacific Ocean. This study was aimed to investigate the presence or absence of gamma radioactivity in commonly consumed seafood products from B.C. In total, ten different species of fish and three different species of shellfish were selected for analysis. For each species of fish, two samples were collected and each sample was from a different local seafood market. For each species of shellfish, ten samples were collected from three different sources. Using the portable GR-135 Plus gamma ray spectrometer, the samples were tested and analyzed for the presence of Fukushima radionuclides, particularly Cesium-137 (Cs-137) and Cesium- 134 (Cs-134).Based on the analyzed fish and shellfish, no gamma radiation was detected. The detector did not identify any gamma radiation over the normal background readings.  


Author(s):  
Marina S. Chvanova ◽  
Irina A. Kiselyova ◽  
Maria S. Anureva

We analyze the domestic experience of training students and Post-Graduates of high technologies on the example of the leading universities of science cities of Russia: Biysk Technological Institute (branch of the Polzunov Altai State Technical University) (Biysk), Joint Institute for Nuclear Research (Dubna), Obninsk Institute for Nuclear Power Engineering – branch of National Research Nuclear University “MEPhI” (Obninsk), Pushchino State Natural Science Institute (Pushchino). We consider educational programs, the main directions of research activity, interac-tion with enterprises, Research Institutes, Scientific Production Centers, interaction technologies. As a result, conceptual approaches to the successful development of the leading universities of science cities in Russia are identified: support for new companies (“startups”) the founders of which are usually enterprises, research institutes or universities; promotion of entrepreneurial in-dependence of students and employees of higher educational institutions and research institutions; integration of large and small technology companies into innovative clusters; conducting student internships and performing research work in the laboratories of science cities; assistance from state, regional and local authorities, grant assistance.


Author(s):  
Alex Roland

‘Technological change’ presents three perspectives on the nature of change in military technology: research and development, dual-use technologies, and military revolutions. World War II ushered in two momentous transformations in the world’s relationship with military technology: the nuclear revolution and modern, institutionalized, routinized research and development. Non-weapons dual-use technologies include fortifications, roads, steam engines, the internal combustion engine, electric and electronic communication, and computers. Weapons dual-use technologies include the Schöningen spear, the bow and arrow, the chariot, nuclear power, explosives, and automatic firearms. Military revolutions have been divided into two arcs of analysis: the role of military revolutions in history and the revolution in military affairs.


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