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It is challenging yet desirable to quantitatively control the expression of a target gene in practice. We design a device—Proportional Biological Operational Mu-circuit (P-BOM) incorporating AND/OR gate and operational amplifier into one circuit and explore its behaviors through simulation. The results imply that will be possible to regulate input-output proportionally by manipulating the RBS of hrpR,...
Wetland ecosystems have strong ability for carbon storage and fixation, and play important roles in the global carbon cycle. The accurate estimation of the leaf chlorophyll content is a significant foundation for researching wetland ecosystem cycle models. In this paper, the inversion of the leaf chlorophyll content was based on PROSPECT model from the physical mechanism angle. Leaf spectrum was simulated...
The present financial tsunami has brought credit risk into a main focus. Dynamic credit scoring tools is highly demanded by commercial banks with products like credit cards. However, till now practitioners almost only employ statistical scoring models such as regressions. Thus the purpose of this paper is to provide for a new direction of attempts in modeling consumer credit risk and behavioral scoring...
A heterogeneous fuzzy Markov model is built for modeling and forecasting credit behavior dynamics of credit card users in this paper. This model brings together a fuzzy rule-based inference system and the Markov chain. The credit migration rate matrix of the fuzzy Markov chain is obtained by the inference system based on reasonable setting of rules for each consumer, and updated at each time interval,...
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