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81, with 5-year cycle of Canada several big research direction, and a field of relative shadows
Ring, and in each area, and the impacts of Canada all areas of the influence of the baseline values (n = 1.
00) were compared. In physics, space science (including astronomy and astrophysics) is particularly axon
Out. In fact, in the 1997-2001 year, the Canadian space the influence of scientific papers than the world average overall feeling
In 33% higher. Also, Canada in the field of chemistry is also very smooth effect, in 1997-2001
Rooms, its influence values of the world average level higher than 28%. Even if Canada in the early 1980 s influence
Lower than the world average level of physical sciences (including engineering, materials science and earth science) influence values
In steady growth, and in the last five years of impact value is higher than the average level in the world.

A similar trend also appear in biology and medicine discipline. Canada's most influential discipline-clinical medical science
In the last five years of study quoted above average rate of 34% of the world average level. In recent years the influence of pharmacology and value
A rising trend, during 1997-2001 average quoted above 20% of the numerical value of the world. In addition
, Canada in biological medical field effect shows, although in 20 years of development, started lower than the world average water
Flat, but is now higher than international value. In agricultural science, Canada has the trend of decline, but its influence is still
Higher than the world level, and signs of turning up in recent years.

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