منابع مشابه
India and Fast Breeder Reactors
India has long pursued a fast breeder program, motivated in part by the availability of only poor quality uranium resources within the country. But progress so far has been disappointing, with only one test reactor having been constructed and having a chequered operating history. The larger Prototype Fast Breeder Reactor that is being constructed has a design that compromises safety and will pr...
متن کاملLiquid Metal Fast Breeder Reactors
A study of future energy requirements and of the potential of various energy sources (coal, oil, gas, nuclear power, hydropower and solar energy) indicates that the contribution to be made by nuclear fission, now competitive with conventional energy sources, will grow steadily over the next few decades. Whereas the amount of fuel which has to be fabricated each year for the operation of a nucle...
متن کاملStumbling towards a diagnosis.
Not all diagnostic successes occur easily or as flashes of inspiration. Sometime the key feature in diagnostic success is persistence.
متن کاملStumbling-Blocks of Reform
An assessment of the Children and Young Persons Act and the difficulties which stand in the way of its full implementation.
متن کاملStumbling blocks in the study of diamorphine.
Although the centenary of the discovery ofdiamorphine is soon to be celebrated, much work remains to be done before its mode of action is thoroughly understood. The main stumbling blocks facing the would-be investigator can be summarized as follows: (1) Diamorphine in solution has a limited shalf-life. (2) The potency ratio of diamorphine to morphine is still a matter of dispute. (3) No basic s...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1986
ISSN: 0028-0836,1476-4687
DOI: 10.1038/322398b0