Considerations on Forest Changes of Northwest China in Past Seven Decades

political economy of china in central asia

this research is about the political economy of china in central asia. in this research the political & economic interactions affected on chinas political economy in central asia are examined. chinas goal of presence in central asia including political-security, economic and energy goals is described in one part. in another part, the trade relations between china and central asian countries ar...

Seven decades of wage changes (IS 932 A1)

Between 1920 and 1990, the current annual average wage of individuals increased twenty-five-fold, while prices rose seven-fold. Thus, on the average, wage-earners increased their purchasing power by more than three and a half times over these 70 years. These gains were not obtained at a uniform rate over the entire period, however. During the first two decades, the changes in real wages were qu...

Explaining Changes in Child Poverty Over the Past Four Decades

Breast cancer in the Arctic – changes over the past decades

The purpose of this study is to review the current literatures on breast cancer (BC) in the Arctic, especially the trends in incidence during the last decades and the possible explanations. The design of this study is a literature review. The scientific literature concerning BC were reviewed, especially focusing on the Arctic and the special conditions that exist in this region. Breast cancer i...

Changes in Earth's reflectance over the past two decades.

We correlate an overlapping period of earthshine measurements of Earth's reflectance (from 1999 through mid-2001) with satellite observations of global cloud properties to construct from the latter a proxy measure of Earth's global shortwave reflectance. This proxy shows a steady decrease in Earth's reflectance from 1984 to 2000, with a strong climatologically significant drop after 1995. From ...