Showing 1 - 10 of 33
Antisocial behavior among youth remains a serious personal and social problem in the United States. The purposes of this study were to (1) identify the shape and number of developmental trajectories of antisocial behavior in a sample of poor, inner-city African American youth, and (2) test...
Persistent link: https://www.econbiz.de/10008484796
As one of the four main production areas of China’s tilapia farming, Fujian province plays a critical role in China’s tilapia industry development. “Quality seed makes the industry a half successâ€, therefore, the study on seed industry has a very important significance...
Persistent link: https://www.econbiz.de/10011143356
In this paper, we explore the issue that how many messages can be transmitted through one scalar chaotic time series. A scheme is proposed for modulating multiple messages into the system. Based on the adaptive parameter estimation method, provided that some special conditions are satisfied,...
Persistent link: https://www.econbiz.de/10010634172
One distinguishable feature of storable commodities is that they relate to two markets: cash market and storage market. This paper proves that, if no arbitrage exists in the storage-cash dual markets, the commodity convenience yield has to be non-negative. However, classical reduced-form models...
Persistent link: https://www.econbiz.de/10008488019
Hyperbranched aliphatic polyester grafted silica nanoparticles (HAPE-SNs) have been prepared via the polycondensation of a AB2 monomer, 2, 2-bis(hydroxymethyl)propionic acid (bis-MPA) from the surface of the aminopropyl silica nanoparticles (APSNs) by a facile one-pot method catalyzed with...
Persistent link: https://www.econbiz.de/10004977467
We document a new stylized fact regarding the dynamics of the commodity convenience yield: the volatility of the convenience yield is heteroskedastic for industrial commodities; specifically, the volatility (variance) of the convenience yield depends on the convenience yield level. To explore...
Persistent link: https://www.econbiz.de/10008863164
The hyperbranched aliphatic polyester grafted activated carbon (HAPE-AC), was successfully prepared by the simple "one-pot" method. The surface functional groups of commercial activated carbon particles were homogenized to hydroxyl groups by being oxidized with nitric acid and then reduced with...
Persistent link: https://www.econbiz.de/10005080532
The well-defined poly(hydroxyethyl acrylate) (PHEA) brushes were grafted from the surfaces of the activated carbon (AC) powder with the controlled/"living" radical polymerization technique. First, surface functional groups of the AC powder were homogenized to hydroxyl groups by oxidizing with...
Persistent link: https://www.econbiz.de/10005050563
The polyacrylamide surface grafted poly(vinyl chloride) (PAM-PVC) film was successfully prepared via a facile copper-mediated surface-initiated atom transfer radical polymerization (SI-ATRP) of acrylamide (AM) from the surfaces of the PVC thin film with their surface labile chlorines as...
Persistent link: https://www.econbiz.de/10005050657
The Dynamic relation mechanism between ZCE cotton futures price and related listed company stock price had been studied based on the metastock historical data in January 1st, 2007 to September 1st, 2010,Johansen co-integration analysis, Vector error correction model, Granger causality test and...
Persistent link: https://www.econbiz.de/10009365749