Abstract: The present invention relates to the field of biochips, and provides a chip surface linker and a preparation method and a use therefor. The chip surface linker is obtained by means of applying a direct current voltage to an aromatic amine bonding molecule in the presence of an acid and a nitrite to cause a reaction with a chip surface to form a bonding molecular group connected the chip surface, and then using a functional molecular for reaction and modification to add a functional molecular group containing a hydroxyl group and an ester group. The chip surface linker obtained in the present invention is able to bond more stably with a chip surface, being stable in hot water and basic conditions, and features relatively good electrical conductivity, stability during energization, and resistance to organic solvents required for nucleic acid synthesis, and is thus very advantageous for subsequent nucleic acid synthesis and other uses.

Abstract: Embodiments of the present disclosure can provide a system, a method and an apparatus for analyzing a traffic road condition. The method can include acquiring attribute information and road traffic information of a traffic network, comprising road intersections and road segments, analyzing the attribute information and the road traffic information to generate road condition parameters, monitoring the traffic road condition of the traffic network based on the generated road condition parameters, and adjusting, in response to a determination that a road condition monitoring result of a road intersection of the traffic network is an unbalanced intersection, a phase signal of a signal light of the unbalanced intersection.