Researchers from the Energy Department's Ames Laboratory, in Ames, Iowa, are working with cerium as a possible substitute for neodymium.
It is viewed as a possible substitute for public assistance or as an alternative to family allowances.
Industry advocates often point out that nuclear power emits less CO2 than coal – a possible substitute fuel if Tihange 2 is shut.
In the service's homeless relocation program, meanwhile, Ms. Garcia-Figueroa is preparing a list of her clients' needs for a possible substitute.
Lord Turnbull, the former head of the civil service, has been proposed as a possible substitute for Andrew Tyrie, the Conservative chairman of the Treasury select committee, who has been asked by the government to lead the inquiry.
For instance, when laser vision-correction surgery emerged as a possible substitute for eyeglasses, the Luxottica Group, the maker of luxury and sports eyewear brands like Chanel, Prada and Ray-Ban, chose not to participate.
One possible substitute might be a system in which groups of doctors and hospitals are paid a fixed sum to provide whatever care a patient needs over the course of a year.
A possible substitute began to take shape during Yugoslavia's period of liberalisation between 1966 and 1971, when most of the country's constituent republics came to be led by men of calibre, who carried weight in their regions and could speak for them.
At the same time, new discoveries and increased production of natural gas in the United States and elsewhere drove prices down, foretelling a major shift to natural gas as both a transportation fuel and as a possible substitute for coal in electricity generation.
A possible substitute for biotemplate material to mediate the morphologies of inorganic materials is palm olein.
