Showing 81 - 90 of 117
The effect of MgO on structure and dielectric properties of aluminoborosilicate glasses was investigated. FTIR data indicated that glass network was mainly built by tetrahedral [SiO4], [BO4], [AlO4] and trigonal [BO3]. A small amount of AlO5 or AlO6 units also existed. The glass system was...
Persistent link: https://www.econbiz.de/10011011160
RO-Al2O3-B2O3-SiO2 (R = Ca, Mg) glasses containing different concentrations of TiO2 (ranging from 0 to 9 mol.%) were prepared by conventional melting method. When TiO2 was present in lower concentrations (≤ 6 mol.%), Fourier-transform infrared spectroscopy (FTIR) indicated that titanium ions...
Persistent link: https://www.econbiz.de/10011011229
The present paper assesses the impact of improved upland rice technology on farmers' well-being. The study uses propensity-score matching to address the problem of 'self-selection,' because technology adoption is not randomly assigned. It applies this procedure to household survey data collected...
Persistent link: https://www.econbiz.de/10008676405
This study analyzes the impact on income inequality of government efforts to increase agricultural incomes in rural China. It collects and analyzes survey data from 473 households in Yunnan, China in 2004. In particular, it investigates the effects of government efforts to promote improved...
Persistent link: https://www.econbiz.de/10009249800
Naoli river basin(NRB), with an area of 24,863 km<Superscript>2</Superscript>, is the largest basin and also the largest marsh distribution area in Sanjiang Plain, Heilongjiang, China. The hydrological evolution process of wetland in NRB has made a marked ecological responses for anthropic activities, also reflects the...</superscript>
Persistent link: https://www.econbiz.de/10010997575
This study analyzes the impact on income inequality of government efforts to increase agricultural incomes in rural China. It collects and analyzes survey data from 473 households in Yunnan, China in 2004. In particular, it investigates the effects of government efforts to promote improved...
Persistent link: https://www.econbiz.de/10008800741
Persistent link: https://www.econbiz.de/10012632376
Since China's reform and opening up, the urban economy has substantially developed, and the nation's urbanization process has advanced to gradually enter a "new normal" phase. In this process, China's population and industries continue to inundate its cities, and environmental pollution has...
Persistent link: https://www.econbiz.de/10012652375
This study analyzes the impact of government efforts to increase agricultural incomes on income inequality in rural China. It collects and analyzes survey data from 473 households in Yunnan, China in 2004. In particular, it investigates the effects of government efforts to promote improved...
Persistent link: https://www.econbiz.de/10008527483
LaNiO3(LNO) thin films were prepared on Si(100) substrates by a chemical solution deposition method. The orientation of LNO films was controlled by changing the acetic acid amount, concentration of the precursor solutions and pre-annealing time. The highly (100)- and (110)-oriented LNO films...
Persistent link: https://www.econbiz.de/10005047114