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Baoping Guo,Zhuangzhi Zhang,Xueting Zheng,Yongzhong Guo,Li Zhao,Ren Cai,Bingjie Wang,Mei Yang,Xi Shou,Wenbao Zhang,Bin Jia 대한기생충학ㆍ열대의학회 2019 The Korean Journal of Parasitology Vol.57 No.2
Echinococcus granulosus is an important zoonotic parasite globally causing cystic echinococcosis (CE) in hu- mans and animals. In this study, prevalence of CE and variation of cox1 gene sequence were analyzed with isolates E. granulosus collected from different areas in northern Xinjiang, China. The survey showed that 3.5% of sheep and 4.1% of cattle were infected with CE. Fragment of cox1 was amplified from all the positive sheep and cattle samples by PCR. In addition, 26 positive samples across the 4 areas were included. The isolates were all E. granulosus sensu stricto (s.s.) containing 15 haplotypes (Hap1-15), and clustered into 2 genotypes, G1 (90.1%, 91/101) and G3 (9.9%, 10/101). Hap1 was the most common haplotype (48.5%, 49/101). Hap9 were found in humans samples, indicating that sheep and cattle reservoir human CE. It is indicate that E. granulosus may impact on control of CE in livestock and humans in the region.
Baoping Zhi,Zhenyue Ma 국제구조공학회 2015 Structural Engineering and Mechanics, An Int'l Jou Vol.53 No.2
The purpose of this work is to analyze the effect of structure parameter disturbance on the dynamic characteristics of a hydropower station powerhouse. A vibration model with a head-cover system isestablished, and then the general disturbance problem analysis methods are discussed. Two new formulaebased on two types of disturbances are developed from existing methods. The correctness and feasibility of these two formulae are validated by analyzing the hydropower station powerhouse vibration model. The appropriate calculation method for disturbance of the hydropower station powerhouse vibration dynamic characteristics is derived.
Baoping Zhang,Yun Liu,Zhongchen Ma,Meichen Guo,Bowen Shen 한국고분자학회 2018 Macromolecular Research Vol.26 No.2
The chemically modified lignin was synthesized based on rice straw and the adsorption properties of AuCl4 - were investigated in this paper. The adsorbent was characterized by Fourier transform infrared spectrometer, scanning electronic microscope and thermogravimetric analysis and differential scanning calorimetry. The chemically modified rice straw lignin was of excellent thermal stability and had plenty of primary amines and hydroxyls. Many influence factors such as initial concentration of AuCl4 -, adsorption time and concentration of hydrochloric acid on AuCl4 - were optimized. The maximum adsorption capacity was 783.94 mg·g-1. The equilibrium adsorption time was 600 min. The equilibrium isotherm fitted well with the Langmuir model and the pseudo-second-order kinetic model was suitable for describing the adsorption of AuCl4 -. Low hydrochloric acid concentration could promote the selectivity of adsorption on AuCl4 -. Combination of ion exchange and reduction was the mechanism. AuCl4 - was adsorbed by ion exchange first and then reduced from hydrochloric acid medium in the form of Au(0) by phenolic hydroxyl.
Zhi, Baoping,Ma, Zhenyue Techno-Press 2015 Structural Engineering and Mechanics, An Int'l Jou Vol.53 No.2
The purpose of this work is to analyze the effect of structure parameter disturbance on the dynamic characteristics of a hydropower station powerhouse. A vibration model with a head-cover system is established, and then the general disturbance problem analysis methods are discussed. Two new formulae based on two types of disturbances are developed from existing methods. The correctness and feasibility of these two formulae are validated by analyzing the hydropower station powerhouse vibration model. The appropriate calculation method for disturbance of the hydropower station powerhouse vibration dynamic characteristics is derived.
Robust Finite-time Control for Neutral Systems with Time-varying Delays via Sliding Mode Observer
Shuqin Wang,Baoping Jiang,Cunchen Gao,Yonggui Kao 제어·로봇·시스템학회 2017 International Journal of Control, Automation, and Vol.15 No.5
This paper is concerned with the problem of robust finite-time sliding mode control (SMC) for a classof continuous-time uncertain neutral systems with time-varying delays. Firstly, based on the constructed slidingmode observer, an integral sliding surface is put forward on the estimation space. Secondly, the synthesized SMClaw guarantees the finite-time reachability of the predefined sliding surface. Thirdly, through finite-time stabilityanalysis, sufficient conditions are established to guarantee the required performance of the system during bothreaching phase and sliding motion phase. Finally, a practical example is provided to verify the effectiveness of theproposed method.
Bin Li,Baoping Liu,Ting Su,Yuan Fang,Guanlin Xie,Guofen Wang,Yanli Wang,Guochang Sun 한국식물병리학회 2010 Plant Pathology Journal Vol.26 No.2
The in vitro antibacterial properties of two kinds of chitosan solutions and their effect in protection of broccoli from bacterial head rot disease were evaluated. Results showed that the two kinds of chitosan solution at different concentrations exhibited strong antibacterial activity against Pseudomonas fluorescens. However, the antibacterial activity of chitosan A solution increased with the increase of chitosan concentration up to 0.10mg/ml while the antibacterial activity of chitosan B solution increased with the increase of chitosan concentration up to 0.05 mg/ml. In addition, the antibacterial activity of chitosan A and chitosan B solution of 0.10mg/ml increased with the incubation time within 12 h and 24 h, respectively. The disease incidence and the lesion diameter of broccoli inoculated with P. fluorescens were significantly reduced when plants were either pretreated or post-treated with six different combinations of chitosan solutions. Overall, the results indicated that the two kinds of chitosan solutions had a potential in controlling bacterial head rot of broccoli.
Yonggui Kao,Baoping Jiang,Cunchen Gao 제어·로봇·시스템학회 2016 International Journal of Control, Automation, and Vol.14 No.5
This paper is concerned with stochastic admissibility and state feedback stabilization for a class ofsingular Markovian jump systems with multiple time-varying delays. The singular matrix E with both modedependentand mode-independent is considered in the system. Firstly, based on Lyapunov functional method andfree-weighting matrix method, sufficient condition is presented in the form of linear matrix inequalities (LMIs) toguarantee the considered system to be stochastically admissible. Secondly, by state feedback controller, sufficientcondition is derived in terms of strict LMIs to ensure the closed-loop system to be stochastically stabilizable. Finally,numerical examples are provided to illustrate the effectiveness of the proposed approaches.
Xin Meng,Cunchen Gao,Baoping Jiang,Zhengtian Wu 제어·로봇·시스템학회 2022 International Journal of Control, Automation, and Vol.20 No.5
This paper aims to investigate the problem of adaptive sliding mode control (SMC) for a class of variableorder fractional (VOF) uncertain coupled systems. First, a novel VOF integral-type sliding surface composed of nonlinear coupling terms is designed with the aid of VOF calculus. Second, based on graph theory, novel asymptotical stability criteria are obtained for the obtained sliding mode dynamics. Moreover, the finite-time reachability of the predefined VOF integral-type sliding surface is ensured by designing a novel adaptive VOF controller. Finally, two numerical studies are presented to verify the validity and superiority of the proposed control strategy.
Zhengtian Wu,Lijian Yang,Baoping Jiang,Yonggui Kao 제어·로봇·시스템학회 2019 International Journal of Control, Automation, and Vol.17 No.6
This paper is concerned with the problem of finite-time H∞ control for stochastic singular systems with partly known transition rates (TRs). The transition of system parameters follows a finite-state Markov process. Firstly, based on stochastic functional method and linear matrix inequalities (LMIs) technique, sufficient conditions are proposed to ensure finite-time stochastic boundedness (FTSB) and finite-time H∞ stochastic boundedness (FTH∞SB) of considered stochastic singular system. Secondly,by designing a state feedback controller,strictLMI conditions are obtained to guarantee the closed-loop system with partly known TRs to be FTSB and FTH∞SB. Finally, a numerical example is provided to demonstrate the effectiveness of the proposed methods.