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MBR is the combination of membrane separation and high-performance biological treatment technology. The origin of membrane separation technology is used to replace the activated sludge in secondary sedimentation tank, separating the solid from the liquid. Based on the establishment of the MBR trial model simulation system, we can solve the data conversion and correction of the parameters with the...
The insufficiency of consumer's trust is one of bottlenecks to China online shopping, and now most Web sites resort to the renowned third party or trust displaying mechanism to promoting consumer's trust. However, whether the two kinds of trust promotion strategies above have the same effect? And whether their own attributes and assurance contents have the significant influence on consumer's trust?...
On the basis of general discrete actuarial model of life insurance, this article has carried on research to discrete life insurance actuarial models under the variable interest rate. And it provide net single premium for life insurance and life annuity due over a period based on that de Moivre's law of mortality and Makeham's law of mortality separately.
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