Titlebook: Exploring Probability in School; Challenges for Teach Graham A. Jones Book 2005 Springer-Verlag US 2005 Conditional probability.classroom p

Offbeat

Rail pricing and the supply of complementary commercial goodsDuring the second half of the 19. century, railways were the dominant transport mode, but in the 20. century the dynamism of the railway began to lose its momentum. Presently, car and truck have become the leading modes for passenger and freight transport.

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Rail Side Wear Problem on Chinese RailwaysThe seriousness of the rail side wear problem on Chinese Railways has been described in this paper. Things account for the occurance of this problem and measures taken to solve it are discussed. Recommendations on improvements of the rail quality and rail maintenance are given as conclusions of this paper.

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synovium

Nektarios TavernarakisIllustrates that aging cells are characterized by alterations in the rate, level and accuracy of protein synthesis compared to young ones, and that mRNA translation is controlled at multiple levels.Di

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Youth contributions to the debate on space securityore outreach must be done because the sector is suffering from not having enough capable and competent people to take over jobs of those who are soon to retire; yet, there is no easy access for young space enthusiasts to join the sector and to become its legitimate members.