LONG-TERM AGRICULTURAL LAND-COVER CHANGE AND POTENTIAL FOR CROPLAND EXPANSION IN THE FORMER VIRGIN LANDS AREA OF KAZAKHSTAN

Long-term agricultural land-cover change and potential for cropland expansion in the former Virgin Lands area of Kazakhstan

During the Soviet Virgin Lands Campaign, approximately 23 million hectares (Mha) of Eurasian steppe grassland were converted into cropland in Northern Kazakhstan from 1954 to 1963.As a result Kazakhstan became an important breadbasket of the former Soviet Union.However, the Sex machines collapse of the Soviet Union in 1991 triggered widespread agri

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Pathological AT1R-B2R Protein Aggregation and Preeclampsia

Preeclampsia is one of the most frequent and severe complications of pregnancy.Symptoms of preeclampsia usually occur after 20 weeks of pregnancy and include hypertension and kidney dysfunction with proteinuria.Up to now, delivery of the infant has been the most effective and NDT Products life-saving treatment to alleviate symptoms of preeclampsia

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Proton Exchange Membrane Fuel Cell as an Alternative to the Internal Combustion Engine for Emission Reduction: A Review on the Effect of Gas Flow Channel Structures

Proton exchange membrane fuel cells are a new energy technology with great potential due to advantages such as high efficiency and no pollution.The structure of the gas flow channels has a profound impact on the overall performance of the fuel cell.Different flow channel geometries have their own advantages and disadvantages, and a good understandi

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