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The Circuit Design of Audio Adaptive Filter via Model-Based Design
Hua Ge,Yang Nie,Lili Jing,Pengyu Zhao 보안공학연구지원센터 2016 International Journal of Signal Processing, Image Vol.9 No.11
In this paper, model-based design is used to complete the design of an adaptive filter by Least Mean Square (LMS) algorithm, which implements the recovery process of audio signal disturbed by noise. We can quickly build a system simulation model by model-based design approach, and accomplish efficiently the system test, simulation and implementation. Theoretical analysis and experimental results show that the method of model-based design is not only valuable to the design and implementation of DSP system, but also can significantly improve the design efficiency of the DSP system.
Identification and Mapping of a Thermo-Sensitive Genic Self-Incompatibility Gene in Maize
Xin Ge Lin,Hui Ling Xie,Zhang Ying Xi,Yan Min Hu,Guang Yuan Zhao,Liu Jing Duan,Zong You Hao,Zong Hua Liu,Ji Hua Tang 한국유전학회 2009 Genes & Genomics Vol.31 No.3
In this study, we describe a novel ecological self-incompatibility (SI) line HE97 in maize. The main environmental factors influencing the inbred line characteristics were identified through field sowing trials during a two-year study period (2001 and 2002). The results showed that daily minimum temperature had the greatest effect on floral morphology and breeding system of the SI line. In staminate floret differentiation, when the daily minimum temperature exceeded 24℃, the line exhibited complete self-compatibility; however SI was observed when the daily minimum temperature was below 20℃. Therefore, we characterized the line as exhibiting thermo-sensitive genic self-incompatibility (TGSI). A set of F2 and F2:3 populations, derived from the inbred lines HE97 and Z58, were evaluated for two years to elucidate the TGSI line patterns of inheritance. Classical genetic analyses and QTL mapping results revealed that HE97 self-incompatibility was governed by a single allele, named here as tgsi1. The tgsi1 gene was mapped to chromosome 2 between SSR markers nc131 and bnlg1633, with a distance of 2.40 cM from nc131 and 2.44 cM from bnlg1633.
Hua He,Diqiu Liu,Nannan Zhang,Wei Zheng,Qing Han,Bo Ji,Feng Ge,Chaoyin Chen 한국유전학회 2014 Genes & Genomics Vol.36 No.4
Pathogenesis-related (PR) proteins play keyroles in plant responses to pathogens and abiotic stresses. In this study, nine novel PR genes were isolated from Liliumregale Wilson, which is a wild lily species of Chinawith high-level resistance to the soilborne fungal pathogenFusarium oxysporum f. sp. lilii, and homology analysisclassified them into the PR10 family. These novel LrPR10swere clustered together with PR10s from monocotyledonsin a phylogenetic tree, moreover, phylogenetic analysisdivided the nine LrPR10s into two groups. The main-chainconformation and folding patterns of the LrPR10s werehighly conserved with other plant PR10s. The expressionpatterns of the nine LrPR10s in L. regale during normaldevelopment were examined by QRT-PCR, and the transcriptionlevels of the LrPR10s were relatively high inroots. Furthermore, QRT-PCR analysis indicated that theexpression levels of LrPR10-1, LrPR10-2, LrPR10-5,LrPR10-6, and LrPR10-7 in L. regale roots were up-regulatedby two or more stress-related signaling moleculesincluding salicylic acid, jasmonic acid, ethylene, and H2O2,while the other four LrPR10s were repressed by these foursignaling molecules. In addition, five members of theLrPR10 gene family including LrPR10-2, LrPR10-4,LrPR10-5, LrPR10-6, LrPR10-7, and LrPR10-9 werestrongly induced by F. oxysporum in resistant L. regalecompared with the susceptible Lilium Oriental hybrid‘Siberia’. The other four LrPR10s were down-regulated byF. oxysporum infection. In summary, our results indicatethat the members of PR10 gene family are involved inL. regale defense responses against F. oxysporum f. sp. lilii.
CUBIC B-SPLINE FINITE ELEMENT METHOD FOR THE ROSENAU-BURGERS EQUATION
Ge-Xing Xu,Chun-Hua Li,GUANG-RI PIAO 영남수학회 2017 East Asian mathematical journal Vol.33 No.1
Numerical solutions of the Rosenau-Burgers equation based on the cubic B-spline finite element method are introduced. The back- ward Euler method is used for discretization in time, and the obtained nonlinear algebraic system is changed to a linear system by the Newton’s method. We show that those methods are unconditionally stable. Two test problems are studied to demonstrate the accuracy of the proposed method. The computational results indicate that numerical solutions are in good agreement with exact solutions.
Ge, Qi-Dong,Lv, Ning,Kong, Ya-Nan,Xie, Xin-Hua,He, Ni,Xie, Xiao-Ming,Wei, Wei-Dong Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.10
Background: The liver is one of the most common metastatic sites of breast cancer, hepatic metastases developing in 6%-25% of patients with breast cancer and being associated with a poor prognosis. The aim of this study was to analyze the survival and clinical characteristics of patients with hepatic metastases from breast cancer of different molecular subtypes and to investigate the prognostic and predictive factors that effect clinical outcome. Methods: We retrospectively studied the charts of 104 patients with breast cancer hepatic metastases diagnosed at Sun Yat-sen University Cancer Center from December 1990 to June 2009. Subtypes were defined as luminal A, luminal B, human epidermal growth factor receptor 2 (HER2) enriched, triple-negative (TN). Prognostic factor correlations with clinical features and treatment approaches were assessed at the diagnosis of hepatic metastases. Results: The median survival time was 16.0 months, and the one-, two- three-, four-, five-year survival rates were 63.5%, 31.7%, 15.6%, 10.8%, and 5.4%, respectively. Median survival periods after hepatic metastases were 19.3 months (luminal A), 13.3 months (luminal B), 18.9 months (HER2-enriched), and 16.1 months (TN, P=0.11). In multivariate analysis, a 2 year-interval from initial diagnosis to hepatic metastasis, treatment with endocrine therapy, and surgery were independent prognostic factors. Endocrine therapy could improve the survival of luminal subtypes (P=0.004) and was a favorable prognostic factor (median survival 23.4 months vs. 13.8 months, respectively, P=0.011). Luminal A group of patients treated with endocrine therapy did significantly better than the Luminal A group of patients treated without endocrine therapy (median survival of 48.9 vs. 13.8 months, P=0.003). Conclusions: Breast cancer subtypes were not associated with survival after hepatic metastases. Endocrine therapy was a significantly favorable treatment for patients with luminal subtype.
Chao Ge,Chang-chun Hua,Xin-Ping Guan 제어·로봇·시스템학회 2014 International Journal of Control, Automation, and Vol.12 No.4
This paper concerns with the problem of asymptotic stability for neutral systems with time-varying delays. With the introduction of delay-decomposition approach, some new delay-dependent stability criteria are established and formulated in the form of linear matrix inequalities. Both constant time delays and time-varying delays have been taken into account. Numerical examples are given to demonstrate the effectiveness and less conservativeness of the proposed methods.
Huan-ge Zhao,Song-lin Zhou,Ying-ying Lin,Hua Wang,Hao Fu Dai,Feng-Ying Huang 대한약학회 2018 Archives of Pharmacal Research Vol.41 No.10
Toxicarioside N (Tox N), a natural product extract from Antiaris toxicaria, has been reported to induce apoptosis in human gastric cancer cells. However, the mechanism and actual role of autophagy in Tox N-induced apoptosis of human gastric cancer cells remains poorly understood. In the current study, we demonstrated that Tox N could induce autophagy by inhibiting the Akt/mTOR signaling pathway in SGC-7901 cells. Moreover, we found that the inhibition of autophagy by 3-methyladenine, an autophagy inhibitor, enhanced Tox N-induced apoptotic cell death. However, the stimulation of autophagy by rapamycin, an autophagy activator, remarkably suppressed Tox N-induced apoptosis, suggesting that autophagy plays a protective role in Tox N-induced apoptosis. Thus, the results from this study suggested that Tox N combination with an autophagy inhibitor might be a promising strategy to enhance the anticancer activity of Tox N for the treatment of human gastric cancer.
Sihao Hua,Pengyue Zhang,Hangfu Yang,Suyin Zhang,Hongliang Ge 한국자기학회 2013 Journal of Magnetics Vol.18 No.1
This paper studies the effects of the Mn-site substitution by nickel on the magnetic properties and the magnetocaloric properties of La0.7Ca0.3Mn1-xNixO₃ (x = 0, 0.05 and 0.1). The orthorhombic crystal structures of the samples are confirmed by the room temperature X-ray diffraction. The dependence of the Curie temperature (TC) and the magnetic entropy change (ΔSM) on the Ni doping content was investigated. The samples with x = 0 had the first order phase transition, while the samples with x = 0.05 and 0.1 had the second order phase transition. As the concentration of Ni increased, the maximum entropy change (|ΔSM|max) decreased gradually, from 2.78 Jㆍ㎏?¹ㆍK?¹ (x = 0) to 1.02 Jㆍ㎏?¹ㆍK?¹ (x = 0.1), in a magnetic field change of 15 kOe. The measured value of TC was 185 K, 150 K and 145 K for x = 0, 0.05 and 0.1, respectively. The phase transition temperatures became wider as x increased. It indicates that the Mn-site substitution by Ni may be used to tailor the Curie temperature in La0.7Ca0.3Mn1-xNixO₃.