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Some inequalities of Hermite-Hadamard type for geometrically p-convex functions
Bo-Yan Xi,Feng Qi 장전수학회 2016 Advanced Studies in Contemporary Mathematics Vol.26 No.1
In the paper, the authors introduce a concept of geometrically P- convex functions and establish some new Hermite-Hadamard type inequalities for this kind of functions.
Semantic Similarity Computation Based on Multi-Features Fusion
Bo Ma,Yating Yang,Fan Zhao,Rui Dong,Xi Zhou 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.5
Semantic similarity is a core technique of many NLP research fields. However, state-of-the-art metrics for semantic similarity computation often operate at different levels, e.g., words or sentences. In this paper, semantic similarity computation metrics are firstly introduced and the quality is measured in order to determine their advantages and limitations; then a new semantic similarity metric based on multi-features fusion is proposed. Distributed representations of words are used for alignment-based disambiguation operation, and Wikipedia tags are used to enhance the performance of our approach. The proposed metric is unsupervised, and can be applied at different levels e.g., single words or entire documents. The metric is evaluated on both English and Chinese datasets, it is shown that the precision and recall scores are higher than metrics which simply using knowledge base or distributed representation of words.
( Xi Guo ),( Peng Geng ),( Quan Wang ),( Bo Yang Cao ),( Bin Liu ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.10
Severe acute respiratory syndrome (SARS), a disease that spread widely in the world during late 2002 to 2004, severely threatened public health. Although there have been no reported infections since 2004, the extremely pathogenic SARS coronavirus (SARS-CoV), as the causative agent of SARS, has recently been identified in animals, showing the potential for the re-emergence of this disease. Previous studies showed that 27 single nucleotide polymorphism (SNP) mutations among the spike (S) gene of this virus are correlated closely with the SARS pathogenicity and epidemicity. We have developed a SNP DNA microarray in order to detect and genotype these SNPs, and to obtain related information on the pathogenicity and epidemicity of a given strain. The microarray was hybridized with PCR products amplified from cDNAs obtained from different SARS-CoV strains. We were able to detect 24 SNPs and determine the type of a given strain. The hybridization profile showed that 19 samples were detected and genotyped correctly by using our microarray, with 100% accuracy. Our microarray provides a novel method for the detection and epidemiological surveillance of SARS-CoV.
( Bo Xu ),( Fu Ya Yang ),( Cai Yun Xiong ),( Jun Jun Li ),( Xiang Hua Tang ),( Jun Pei Zhou ),( Zhen Rong Xie ),( Jun Mei Ding ),( Yun Juan Yang ),( Zun Xi Huang ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.4
To isolate novel and useful microbial enzymes from uncultured gastrointestinal microorganisms, a fecal microbial metagenomic library of the pygmy loris was constructed. The library was screened for amylolytic activity, and 8 of 50,000 recombinant clones showed amylolytic activity. Subcloning and sequence analysis of a positive clone led to the identification a novel gene (amyPL) coding for α-amylase. AmyPL was expressed in Escherichia coli BL21 (DE3) and the purified AmyPL was enzymatically characterized. This study is the first to report the molecular and biochemical characterization of a novel α-amylase from a gastrointestinal metagenomic library.
Bo Ma,Xiang-Dong Gao,Lin Wang,Yan-Xi Zhang,Nanfeng Zhang,Deyong You 대한기계학회 2021 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.35 No.6
During multi-layer single-pass additive manufacture based on gas metal arc welding, the formation of product surface is highly affected by the robot welding process status. The thermal history of the manufacturing process was recorded by a thermocouple, and the arc current was collected by a current sensor to investigate the relationship between arc current stability and manufacture workpiece surface formation. The empirical mode decomposition energy entropy of different Z as , which are related to the current stability and utilization of arc power, were calculated. The 3D geometric dimension information of the workpiece was scanned by a laser vision sensing system. Experimental results show the current signal of the arc can be used to assess process stability, current stability caused the temperature of the basement, and surface formation changed. The energy entropy of arc current increased with the increase of Z as . The unstable arc can take away much of the heat generated by the arc heat source leading to the increase of deposition height and side surface roughness.
Influence of Vehicle Load Mode on the Response of an Asymmetrically-Loaded Deep Excavation
Bo Liu,Dingwen Zhang,Peisheng Xi 대한토목학회 2019 KSCE JOURNAL OF CIVIL ENGINEERING Vol.23 No.8
At present, the research on the influence of vehicle load mode on response of asymmetrically-loaded deep excavation is limited. Based on a deep excavation which is adjacent to the expressway and is subjected to the asymmetric load induced by the weight of embankment and the vehicle load together, this paper presented several vehicle load conversion methods firstly. Then a numerical modelling was performed to simulate the response of deep excavation considering the above methods. Next, a field monitoring of response of deep excavation was performed to verify the simulation results. By comparing the simulated and monitored results, the optimum vehicle load mode was recommended. The results indicate that the vehicle load has a considerable influence on the response of deep excavation. For this study, the equivalent thickness of soil layer method and the improved equivalent thickness of soil layer method are recommended to treat the vehicle load. This paper also analysed the influence factor of the improved equivalent thickness of soil layer method and found the improvement effect of this method rapidly decreases with the increase of retaining wall height. For a very high retaining wall, the improvement effect of this method is limited.
Xi-xiang Ying,Hai-bo Li,Zheng-yun Chu,Yan-jun Zhai,Ai-jing Leng,Xun Liu,Wen-jie Zhang,Ting-guo Kang,Chun Xin 대한약학회 2008 Archives of Pharmacal Research Vol.31 No.7
To investigate the antioxidant effect of vitexin-4"-O-glucoside, a flavone glycoside, isolated from the leaves of Crataegus pinnatifida Bge. var. major, we developed a simple and sensitive high-performance liquid chromatography (HPLC) method to determine levels of malondialdehyde (MDA) in ECV304 cell culture medium after induction by tert-butyl-hydroperoxide (TBHP). The preparation of analyzed samples involved a one-step derivatization with thiobarbituric acid (TBA). HPLC analysis was performed on a SynergiTM Hydro-RP, a polar end-capped C18 column (250×4.6 mm, 4 μm), using an acetonitrile-ammonium acetate aqueous solution (10 mM, pH 6.8) as the mobile phase under linear gradient conditions with UV detection at 532 nm. The calibration curve was linear over 0.0125-1.25 μM MDA (r = 0.9951). Relative standard deviations (RSDs) of intra-day and inter-day precision were less than 6.1% and 5.0%, respectively. The mean recovery was 96.9 ± 1.6%. The lower limit of quantification (LLOQ) of MDA was 0.0125 μM. This chromatographic method was successfully applied to investigating the in vitro antioxidant effect of vitexin-4"-O-glucoside. Vitexin-4"-O-glucoside (120 M) protected ECV304 cells from peroxidation induced by TBHP.
Xi-Yang Li,Qian-Lin Chen,Min Yang,Ya-Nan Li,Jing-Bo Ma 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.3
The lithium titanium spinel Li4Ti5O12 has attracted more and more attention as anode materials applied in lithium ion batteries. Li4Ti5O12 material has been found to be able to intercalate lithium ions without deformation of the lattice. However, compared with graphite and other anode materials, the low conductivity of Li4Ti5O12 restricts its charging and discharging rate. Doping is deemed to be a businesslike method to enhance ionic and electronic conductivity of Li4Ti5O12. This paper reviews the effects of Li4Ti5O12 with different doping ions on different crystal lattice states. And it has been found by a summary that the doping objective of doping ions at Li4Ti5O12 is also different. Moreover, the applications of ion doping in different fields of Li4Ti5O12 are prospected.
Soy Protein Supplementation Reduces Clinical Indices in Type 2 Diabetes and Metabolic Syndrome
Xi-Mei Zhang,Yun-Bo Zhang,Mei-Hua Chi 연세대학교의과대학 2016 Yonsei medical journal Vol.57 No.3
Purpose: Clinical trials have studied the use of soy protein for treating type 2 diabetes (T2D) and metabolic syndrome (MS). The purpose of this study was to outline evidence on the effects of soy protein supplementation on clinical indices in T2D and MS subjects by performing a meta-analysis of randomized controlled trials (RCTs). Materials and Methods: We searched PubMed, EMBASE, and Cochrane databases up to March 2015 for RCTs. Pooled estimates and 95% confidence intervals (CIs) were calculated by the fixed-and-random-effects model. A total of eleven studies with eleven clinical variables met the inclusion criteria. Results: The meta-analysis showed that fasting plasma glucose (FPG) [weighted mean difference (WMD), -0.207; 95% CI, -0.374 to -0.040; p=0.015], fasting serum insulin (FSI) (WMD, -0.292; 95% CI, -0.496 to -0.088; p=0.005), homeostasis model of assessmentfor insulin resistance index (HOMA-IR) (WMD, -0.346; 95% CI, -0.570 to -0.123; p=0.002), diastolic blood pressure (DBP) (WMD, -0.230; 95% CI, -0.441 to -0.019; p=0.033), low-density lipoprotein cholesterol (LDL-C) (WMD, -0.304; 95% CI, -0.461 to -0.148; p=0.000), total cholesterol (TC) (WMD, -0.386; 95% CI, -0.548 to -0.225; p=0.000), and C-reactive protein (CRP) (WMD, -0.510; 95% CI, -0.722 to -0.299; p=0.000) are significant reduced with soy protein supplementation, compared with a placebo control group, in T2D and MS patients. Furthermore, soy protein supplementation for longer duration (≥6 mo) significantly reducedFPG, LDL-C, and CRP, while that for a shorter duration (<6 mo) significantly reduced FSI and HOMA-IR. Conclusion: Soy protein supplementation could be beneficial for FPG, FSI, HOMA-IR, DBP, LDL-C, TC, and CRP control in plasma.