Showing 1 - 10 of 56
Since reform and open to the outside world, foxtail millet planting area in Hebei Province has constantly reduced, and its planting region has changed from the whole province into some regions, with obvious changes. In this paper, by using qualitative and quantitative approaches like chart...
Persistent link: https://www.econbiz.de/10010881779
Ethanol production from wheat has become an emerging economic activity in Henan Province due to the establishment in 2001 of the National Program for Alcohol Production. The program aimed at facing the unfolding world energy crisis in the near future and increasing China's energy security....
Persistent link: https://www.econbiz.de/10005208777
Industrialization of bio-energy relies on the supply of resources on a large scale. The theoretical biomass resources could reach 2.61–3.51billiontce (tons of coal equivalent)/a in China, while the available feedstock is about 440–640milliontce/a, however, among this only 1.5–2.5% has been...
Persistent link: https://www.econbiz.de/10010811997
The<strong> </strong>emergy concept, integrated with a multi-objective linear programming method, was used to model the agricultural structure of Xinjiang Uygur Autonomous Region under the consideration of the need to develop a low-carbon economy. The emergy indices before and after the structural optimization...
Persistent link: https://www.econbiz.de/10011030875
In this paper, the notion of the general linear estimator and its modified version are introduced using the singular value decomposition theorem in the linear regression model <bold>y</bold>=<bold>X</bold> <bold>β</bold>+<bold>e</bold> to improve some classical linear estimators. The optimal selections of the biasing parameters involved are...
Persistent link: https://www.econbiz.de/10010976018
Persistent link: https://www.econbiz.de/10010848689
In contrast to the United States and European countries, China has witnessed a widening gender pay gap in the past two decades. Nevertheless, the size of the gender pay gap could still be underestimated as a result of not accounting for the low-wage women who have dropped out of the labor force....
Persistent link: https://www.econbiz.de/10010931335
We introduce new provincial level panel data on human capital in China from 1985 to 2010. Our estimation of human capital is based on the Jorgenson–Fraumeni lifetime income approach modified to fit the Chinese data, thereby allowing a more comprehensive measurement of human capital than...
Persistent link: https://www.econbiz.de/10010931680
Cu2ZnSnS4 thin films were prepared on soda-lime glass by sulfurization of the Cu/Sn/ZnS precursors. The microstructure, morphology and optical properties of the films were investigated by X-ray diffraction (XRD), Raman scattering (Raman), scanning electron microscopy (SEM) and UV-visible...
Persistent link: https://www.econbiz.de/10011279119
In contrast to the United States and European countries, China has witnessed a widening gender pay gap in the past two decades. Nevertheless, the size of the gender pay gap could still be underestimated as a result of not accounting for the low-wage women who have dropped out of the labor force....
Persistent link: https://www.econbiz.de/10011261137