2 Art�culos

Agricultural Informatization and Technical Efficiency in Maize Production in Zambia

Acceso

en l�nea

This study provides a scientific assessment of water scarcity in the Beijing-Tianjin-Hebei (BTH) city region and investigates its restrictive effects on urban economic development by quantifying economic loss caused by water scarcity based on an input&nd... ver m�s

Revista: Sustainability Formato: Electr�nico

Tabla de contenido: Vol: 11 Num: 8 Par: April-2 A�o: 2019

Evaluating China?s Air Pollution Control Policy with Extended AQI Indicator System: Example of the Beijing-Tianjin-Hebei Region

Acceso

en l�nea

This paper calculated and evaluated the air quality of 13 cities in China’s Beijing-Tianjin-Hebei (BTH) region from February 2015 to January 2018 based on the extended AQI (Air Quality Index) Indicator System. By capturing the heterogeneous informa... ver m�s

Revista: Sustainability Formato: Electr�nico

Tabla de contenido: Vol: 11 Num: 3 Par: February-1 A�o: 2019

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