Showing 1 - 8 of 8
Agriculture is the foundation of national economy, and agricultural development is related to the rapid development of long-term stability of the society and economy. Agriculture includes farming, forestry, animal husbandry, and fisheries. Agricultural listed company as an agricultural...
Persistent link: https://www.econbiz.de/10011168147
In line with current situations of extension of Xinjiang’s agricultural products, the paper put forward and analyzed existing problems in extension works of agricultural product identification. The problems mainly include: (i) general identification of agricultural products is basically...
Persistent link: https://www.econbiz.de/10011143444
Bandwidth plays an important role in determining the performance of local linear estimators. In this paper, we propose a Bayesian approach to bandwidth selection for local linear estimation of time–varying coefficient time series models, where the errors are assumed to follow the Gaussian...
Persistent link: https://www.econbiz.de/10011141013
Since conventional cross–validation bandwidth selection methods don’t work for the case where the data considered are dependent time series, alternative bandwidth selection methods are needed. In recent years, Bayesian based global bandwidth selection methods have been proposed....
Persistent link: https://www.econbiz.de/10011141017
Bandwidth plays an important role in determining the performance of nonparametric estimators, such as the local constant estimator. In this paper, we propose a Bayesian approach to bandwidth estimation for local constant estimators of time-varying coefficients in time series models. We establish...
Persistent link: https://www.econbiz.de/10011188646
Since conventional cross-validation bandwidth selection methods do not work for the case where the data considered are serially dependent, alternative bandwidth selection methods are needed. In recent years, Bayesian based global bandwidth selection methods have been proposed. Our experience...
Persistent link: https://www.econbiz.de/10010958940
Raw biogas is a valuable renewable energy but usually requires upgrading. The mixed LED (light-emitting diode) light wavelengths achieved much better microalgae growth than that of the monochromatic. The best LED light wavelength mix ratio for both biogas upgrading and biogas slurry nutrient...
Persistent link: https://www.econbiz.de/10011053761
Chlorella sp. is a microalga that could be utilized effectively in the simultaneous biogas upgrade and biogas fluid nutrient removal. Mixed light-emitting diode (LED) light wavelength treatments (red:blue=1:9, 3:7, 5:5, 7:3, and 9:1) were more appropriate for microalgal growth than monochrome...
Persistent link: https://www.econbiz.de/10011041094