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With the Geographic Information System (GIS) analytical tools and Remote Sensing technology, the main territory's Net Primary Productivity (NPP) in China from 2001 to 2010 is estimated based on CASA model. The analysis of the temporal and spatial variations in NPP shown that NPP in the southern regions shows increase trend after the first five years' decrease, in addition, the southern region of China...
The tryptophan operon (trp operon), paradigm for repressible operons, is regulated by three different negative-feedback mechanisms of repression, transcription attenuation and enzyme inhibition. Initiation of transcription is controlled by the interaction of the tryptophan repressor with its target site on the operator. Moreover, the interaction among the regulator genes, the operator genes and the...
This paper describes the mechanism of the object sharing in Java Card and analysis of the existed security problems which lead to the attack, at same time it puts forward two methods to solve the attack. By comparing and analyzing the two methods, we will develop more protecting mechanism to protect the security of Java Card.
This paper introduces fault diagnosis modes and points out the source of trouble in grid-connected solar photovoltaic systems. It analyses and researches the structure and algorithm of BP neural network. After that, the paper brings forward fault diagnosis method based on BP neural network for the grid-connected solar photovoltaic system. It shows this method is efficacious and earthly and attains...
This study presents an analysis of metabolic fluxes of the anaerobic glycerol metabolism by Klebsiella pneumoniae for the production of 1,3-propanediol (1,3-PD). A metabolic network was reconstructed from the partly annotated genome sequence as well as from biochemical and physiological literatures. Extracellular fluxes measured in continuous culture under steady condition were used to estimate intracellular...
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