The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Despite recent advances in uncovering the quantitative features of human activities in routine life, human call behavior in earthquake is still less clear. Taking the data of mobile phone records produced by the users in 3 days in the northwest of China, we systematically analyze the characteristics of mobile phone call patterns to earthquake by using ratio analysis and degree distribution method...
Pretreatment and determination for mercury species based on coupled chromatography techniques especially the combination of liquid chromatography with atomic fluorescence spectrometry were reviewed in this paper with 17 references, and the new trends for trace and ultra-trace of mercury species analysis in the future was also carried out.
Effect of nanoparticles' shape and compositionally graded profile on the optical nonlinearity of compositionally graded films is investigated with the aid of the effective medium approximation in conjunction with spectral presentation. Numerical results show that with the suitable adjustment of the particle shape, the resonant band of non-linear optical properties becomes broad. In addition, for a...
In this paper a method for reducing white noise and 1/f noise is investigated. Instead of modifying the hardware design of SQUID detector, we seek to reduce 1/f noise by the wavelet transform approach, which statistical characteristics in the wavelet domain are used. By applying this method to the simulated noise MCG-signal, we demonstrate that both the white noise and the 1/f noise can be significantly...
Global routing is an important and time-consuming step in the VLSI design cycle. The interconnection pattern for each set of pins (net) that must be connected is a Steiner tree, and the primary sub-problem in global routing is to find a pool of dissimilar, low-cost Steiner trees. In this paper, we propose a fast algorithm, called stochastic Shrubbery (SS), for constructing a diverse pool of Steiner...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.