A new prediction model based on the leaching rate kinetics in the alumina digestion process

Y Xie, S Wei, X Wang, S Xie, C Yang - Hydrometallurgy, 2016 - Elsevier
The leaching rate of alumina in the alumina digestion process is usually obtained via off-line
analysis with a long time delay, leading to delayed control of the process and creating …

Strategic asset allocation and Markov regime switch with GARCH

WW Simi - The Journal of Business and Economic Studies, 2013 - search.proquest.com
During the financial crisis of 2008, the S&P 500 Implied Volatility Index (VIX), known as the"
fear gauged," jumped to 80% of the highest level it has ever reached. Portfolio managers …

Optimization method of double-stream alumina digestion process parameters

YAN Yuqing, XIE Yongfang, W Xiaoli, WEI Simi… - CIESC …, 2017 - hgxb.cip.com.cn
Abstract: The double-stream alumina digestion process is a key production chain in Bayer
process of alumina production. It is the unique production technology in China. However, the …

Time-changed Lévy jump processes with GARCH model on reverse convertibles

WW Simi, X Wang - Review of Financial Economics, 2013 - Elsevier
For decades, financial institutions have been very motivated in creating structured high-yield
financial products, especially in the economic environment of lower interest rates. Reverse …

Pricing of Corporate Liquidity: Understanding Asset Pricing During Liquidity and Credit Crises

X Wang, W Simi - The Journal of Investing, 2015 - pm-research.com
The financial crisis of 2008 suggests that existing asset pricing models, which are derived
under the assumption of investor rationality, might not be sufficient to explain stock …

Money managers' interactions and Bayesian model

WW Simi, X Wang - International Journal of Applied …, 2020 - inderscienceonline.com
The essential incentives for investment portfolio managers are pursing relative outstanding
portfolio performance among their peers in order to be rewarded for investment fund inflows. …

An integrated model for caustic ratio prediction in the alumina digestion process

W Simi, X Yongfang, W Xiaoli, X Sen… - 2016 Chinese Control …, 2016 - ieeexplore.ieee.org
The caustic ratio of the product in the alumina digestion process is obtained by off-line analysis
with a long time delay, which leads to delayed process control, and therefore, fluctuation …

Comparative study of volatile organic compounds in ambient air using observed mixing ratios and initial mixing ratios taking chemical loss into account–A case study …

…, X Cheng, H Zhang, L Peng, F Chai, Y Wei - Science of the total …, 2018 - Elsevier
Volatile organic compounds (VOCs) can react with atmospheric radicals while being
transported after being emitted, resulting in substantial losses. Using only observed VOC mixing …

Modeling of lead removal by living Scenedesmus obliquus using backpropagation (BP) neural network algorithm

X Ma, Y Guan, R Mao, S Zheng, Q Wei - Environmental Technology & …, 2021 - Elsevier
Lead pollution in aquatic environment possessed lethal threats to public health. Heavy metal
removal using microalgae have gained increasing attention as a novel biosorbent with …

Mice deficient in IL-1β-converting enzyme are defective in production of mature IL-1β and resistant to endotoxic shock

…, J Salfeld, E Towne, D Tracey, S Wardwell, FY Wei… - Cell, 1995 - Elsevier
… It is not known, however, whether ICE or another enzyme of similar specificity is responsible
Similar results were obtained by DNA fragmentation analysis (data not shown). We also …