Based on expatiating the dynamic characters of groundwater level,we analyzed the period of groundwater level variation by the spectrum analysis method,also made the optimization on observation frequency of groundwater monitoring network in the plain of Shiyanghe River Basin.

This paper introduces the natural conditions of the mining area,sums up the main characteristics of the aquifer in Lancang Laocang Jamesonite Mining Area,analyzes the groundwater characteristics in the mining area,and makes a thorough investigation on the hydro-geological conditions in the mining area,and obtains better hydro-geological effects.

The idea is to search similar sequence by analyzing and comparing the sequence feature.

The characteristic sequences PS01095 and PS00232 of C/18 family chitinase were translated into Z-scales, which then were used as input data to establish a prediction model for optimum pH based on stepwise regression.

Based on the generalization of MUSIC method and the signature sequence of users,a new method is proposed to estimate multi-path time delay for CDMA personal station.

Based on the signature sequence of users,a new method is proposed to provide the simultaneous estimation of both the direction of arrival (DOA) and the direct sequence for nonstationary code division multiple access (CDMA) signals in this paper.