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Background Angiopoietin-2 (Ang-2), a ligand of the Tie-2 receptor, plays an important role in maintaining endothelial cells and in destabilizing blood vessels. Collateral artery growth (arteriogenesis) is a key adaptive response to arterial occlusion. It is unknown whether the destabilization of blood vessels by Ang-2 can affect arteriogenesis and modulate mononuclear cell function. This study aimed...
This paper defines a generalized distance index which reflects the comprehensive factors or multiple objectives in emergency rescue, and presents an improved model of emergency rescue VRP based on the generalized distance, after this discusses several kinds of algorithms based on ant colony optimization. From the methods, research results would better suit the characteristics and requirements of emergency...
The paper has analyzed the characters of TPL service provider selection based on online trading platform and constructed evaluation index system following the principle of real-time, simplification, uniformity and efficiency. Simultaneously, this paper has proposed intelligent decision-making method of the TPL service provider selection based on online trading platform and BP artificial neural network...
High risk and high profit are the remarkable characters of enterprise technological innovation. The higher innovation degree is, the higher uncertainty will be. It is very important to analyze entirely all kinds of risk factors which can influence technological innovation and evaluate the process of technological innovation. In this paper, based on the index system of enterprise technological innovation,...
The ability to respond to emergency is one of the significant indicators to measure the level of enterprise administration. Enterprise emergency response capability assessment can be the elements of emergency management and provide credible warrant for emergency preparative. It is of great significance to establish a set of evaluation system to identify the achievements and deficiency in the enterprise...
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