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Based on the Enterprise Exchange Network Path Reliability Design
Hongxiang Zhu 보안공학연구지원센터 2014 International Journal of u- and e- Service, Scienc Vol.7 No.5
In order to improve the work of a single path network reliability failure case, this chapter put forward a set of a single backup path algorithm based on the path. In this algorithm, using two disjoint paths as work path to transmit data, and USES the path does not intersect with the job of a set the path as the backup path. Then, this algorithm, is proposed based on a single - a single backup path algorithm of shortest path set to ensure data under the case of the second work path of effective transmission. Theoretical derivation and numerical simulation results show that in a single work path failure cases, and the calculation of DMP - compared to BP algorithm, this scheme can greatly improve network reliability, and save the network resources.
Study on Odor Formation Control during Kraft Pulping
Song HaiNong,Chai XinSheng,Zhu HongXiang,Sung-Hoon Yoon,Zhang Dongcheng,Wang Shuang-Fei 한국펄프·종이공학회 2006 한국펄프종이학회 기타 간행물 Vol.- No.-
The investigation of the formation of organic sulfur compounds (i.e., odor species), mainly methyl mercaptan and demethyl suifide, during kraft pulping has been conducted, in which both hardwood and softwood species were used. It was discovered that there is an organic sulfur compounds formation phase transition point with respect to delignification extent. The transition point occurs at a kappa number of approximately 35 and 20 for softwoods and hardwoods, respectively. The results also showed that both low sulfidity and anthraquinone (AQ) addition are helpful to control the formation of theses organic sulfur compounds during kraft pulping. Whereas Hexenuronic acid (HexA) has contribution to Kappa number, the extended delignification not only lead to low pulp yield, but also be adverse to odor control. A significant in-digester odor reduction can be achieved if the pulping is to be terminated before phase transition point and combined with AQ addition.
XIN-SHENG CHAI,JINGHONG ZHOU,HONGXIANG ZHU,XIANNAN HUANG 한국펄프·종이공학회 2006 한국펄프종이학회 기타 간행물 Vol.- No.-
This paper describes a technique combining chemometrics with UV spectroscopy for the determination of the concentrations of two tissue additives (i.e., wet strength and softening agents) in a cellulose fiber containing solution. In single agent solutions, the concentration of the additive can be measured by UV spectroscopy at the wavelength where the species having absorption. For a binary (i.e., containing two additives) solution system, the spectral characterization is very complicated. However, if aided by a chemometrical calibration technique, each additive in the binary solution can be qua ntified simultaneously. The present method is very rapid and simple, it can easily perform a continuous measurement in the changes in the additives’ concentration after fiber addition, and therefore this becomes a valuable tool for the adsorption kinetics study of chemical additives onto the cellulose fibers. The time-dependent adsorption behaviors of the wet-strength, softening agent, and their both on fiber were also presented.