A New Generalized Resolvent and Application in Banach Spaces

Xian Wang,Jun-Min Chen,Zhen He 영남수학회 2014 East Asian mathematical journal Vol.30 No.1

In this paper, we introduce a new generalized resolvent in a Banach space and discuss its some properties. Using these properties, we obtain an iterative scheme for finding a point which is a fixed point of relatively weak nonexpansive mapping and a zero of monotone mapping. Furthermore, strong convergence of the scheme to a point which is a fixed point of relatively weak nonexpansive mapping and a zero of monotone mapping is proved.

High Expression of Bcl-2 Protein Predicts Favorable Outcome in Non-small Cell Lung Cancer: Evidence from a Systematic Review and Meta-analysis

Zhao, Xian-Da,He, Yu-Yu,Gao, Jun,Zhao, Chen,Zhang, Ling-Lin,Tian, Jing-Yuan,Chen, Hong-Lei Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.20

Background: The prognostic value of Bcl-2 protein expression in non-small cell lung cancer (NSCLC) is under debate. We therefore systematically reviewed the evidence for Bcl-2 protein effects on NSCLC survival to elucidate this issue. Materials and Methods: An electronic search in Pubmed and Embase complemented by manual searches in article references were conducted to identify eligible studies to evaluate the association between Bcl-2 protein expression and overall survival (OS) as well as disease free survival (DFS) of NSCLC patients. Combined hazard ratios (HRs) with corresponding 95% confidence intervals (95%CIs) were pooled using the random-effects model. Results: A total of 50 trials (including 52 cohorts) encompassing 7,765 patients were pooled in the meta-analysis regarding Bcl-2 expression and OS of NSCLC patients. High expression of Bcl-2 protein had a favorable impact (HR=0.76, 95%CI=0.67-0.86). In the group of Bcl-2 expression and DFS, 11 studies including 2,634 patients were included. The synthesized result indicated high expression of Bcl-2 protein might predict good DFS (HR=0.85, 95%CI=0.75-0.95). Conclusions: Our present meta-analysis demonstrated favorable prognostic values of Bcl-2 expression in patients with NSCLC. Further prospective trails are welcomed to validate the utility of assessing Bcl-2 in NSCLC patient management.

Three-dimensional Terrain Correcting for Detection of WSN Space Coverage Hole

Shen Xian-hao,Li Jun,Nai He 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.8

A NEW GENERALIZED RESOLVENT AND APPLICATION IN BANACH MAPPINGS

Wang, Xian,Chen, Jun-Min,He, Zhen The Youngnam Mathematical Society 2014 East Asian mathematical journal Vol.30 No.1

In this paper, we introduce a new generalized resolvent in a Banach space and discuss its some properties. Using these properties, we obtain an iterative scheme for finding a point which is a fixed point of relatively weak nonexpansive mapping and a zero of monotone mapping. Furthermore, strong convergence of the scheme to a point which is a fixed point of relatively weak nonexpansive mapping and a zero of monotone mapping is proved.

Research on the Cutting Performances and Wear Mechanisms of TiAlCrN Coated Tools during Dry Turning

Hui-Bo He,Hua-Ying Li,Xian-Ying Zhang,Qi-Bin Yue,Jun Zhang,Lu Ma,Yuan-ming Li 한국정밀공학회 2019 International Journal of Precision Engineering and Vol.20 No.2

Physical vapour deposition technique was used to deposit TiAlCrN coatings on the YT15 tungsten carbide inserts. The dry turning tests of 20CrMo steel were carried out to evaluate performances of TiAlCrN coated and uncoated tools on the CA6140A lathe. The effect of the two kinds of tools on cutting forces, cutting temperature, surface roughness and tool wear had been investigated to assess the performance of TiAlCrN coated tools. The results showed that the cutting force and cutting temperature obtained by TiAlCrN coated tools were decreased and the TiACrN coated tools produced a better surface finish in comparison with the uncoated tools. The TiAlCrN coated tools yield working life about 45 min, which was two times of that for uncoated tools. The wear mechanisms of the TiAlCrN coated tools were mainly oxidation and boundary wear, accompanied with diffusion wear.

A Study on Major Factors Influencing Dry Cutting Temperature of AISI 304 Stainless Steel

Hui-Bo He,Hua-Ying Li,Jun Yang,Xian-Yin Zhang,Qi-Bin Yue,Xue Jiang,류성기 한국정밀공학회 2017 International Journal of Precision Engineering and Vol.18 No.10

TiN coated and uncoated tools were used to conduct the dry cutting temperatures for AISI 304 stainless steel. Effects of cutting variables on cutting temperatures were investigated using single factor experiment method. The optimal cutting parameters of cutting temperatures were obtained through orthogonal experiment method. The forming process and temperature distribution of chips were analyzed using finite element method (FEM). The results show that cutting temperature generally increases with the increase of cutting speed and feed rate. When depth of cut increases at the range of 0.8-1.5 mm, the cutting temperature increases firstly and decreases subsequently. And the cutting temperature of TiN coated tool is lower than that of uncoated tool. The optimal parameters of cutting temperature are obtained by orthogonal experiment, which is A1B1C3. The highest temperature appears on the second deformation zone by the simulation.

Experimental study of TiO2 hollow microspheres removal on elemental mercury in simulated flue gas

Jiang Wu,Xian Li,Jian-Xing Ren,Xuemei Qi,Ping He,Bu Ni,Chong Zhang,Chengzhen Hu,Jun Zhou 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.32 No.-

TiO2 hollow sphere was synthesized by hydrothermal method using trifluoroacetic acid (TFA) andTi(SO4)2 as raw materials, and it was applied to photocatalytic oxidization of elemental mercury (Hg0) inthe simulated flue gas. The prepared samples were well characterized by X-ray diffraction (XRD),scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectronspectroscopy (XPS), UV–vis diffuse reflectance spectra (UV-vis DRS) and nitrogen adsorption/desorption. The results showed that only anatase phase TiO2 hollow sphere was obtained. The average diameter ofTiO2 hollow spheres was about 800 nm and the shell thickness was about 200–400 nm. When M, themolar ratio of TFA to Ti(SO4)2, was higher than a certain value, the photocatalytic activity of preparedTiO2 hollow spheres began to reduce. When M = 2, addition TFA content was the best quantity, which gotthe best TiO2 hollow spheres and provided the most appropriate F decomposed from TFA during thesample preparation, which was helpful to its photocatalytic ability. In the experimental temperaturerange, the photocatalytic oxidation efficiency decreased with the increasing of reaction temperature, andthe intensity of UV irradiation had an important effect on the photocatalytic reaction. When UVirradiation intensity was 303.45 mW cm 2 and reaction temperature was 55 8C, TiO2 hollow spheresample prepared at M = 2 had the highest photocatalytic ability and the mercury removal efficiencyreached up to 82.75%.

ON REES MATRIX REPRESENTATIONS OF ABUNDANT SEMIGROUPS WITH ADEQUATE TRANSVERSALS

Gao, Zhen Lin,Liu, Xian Ge,Xiang, Yan Jun,Zuo, He Li Korean Mathematical Society 2009 대한수학회논문집 Vol.24 No.4

The concepts of *-relation of a ($\Gamma$-)semigroup and $\bar{\Gamma}$-adequate transversal of a ($\Gamma$-)abundant semigroup are defined in this note. Then we develop a matrix type theory for abundant semigroups. We give some equivalent conditions of a Rees matrix semigroup being abundant and some equivalent conditions of an abundant Rees matrix semigroup having an adequate transversal. Then we obtain some Rees matrix representations for abundant semigroups with adequate transversals by the above theories.

Protective effects of l-theanine on rats with dextran sulfate sodium-induced infl ammatory bowel disease

Ling Chen,Wen-jun Xiao,Qiong-xian Yan,Zhi-hua Gong,Sheng Zhang,Li Zeng,Ming Yang,Yan-he Zhou 대한약학회 2020 Archives of Pharmacal Research Vol.43 No.8

The aim of this study is to evaluate the antiinflammatory and protective eff ects of L -theanine in infl ammatorybowel disease (IBD) and to identify the underlyingmolecular mechanisms. Rats were pre-treated with L -theanineat 0, 50, 200, or 800 mg/kg/day. IBD was induced inrats using dextran sulfate sodium (DSS). Histopathologicalanalysis suggests that L -theanine can suppress DSS-inducedIBD with signifi cant inhibition of infl ammation in large andsmall intestinal tissues. Moreover, the 200 mg/kg/day L -theanine-treated DSS group had higher body and small intestineweights, a lower disease activity index and expression ofinfl ammatory factors than the DSS group without pre-treatment. In RNA sequencing and tandem mass tag labelinganalyses, large number of mRNAs and proteins expressionlevel diff ered when compared with the DSS-induced ratswith and without 200 mg/kg/day L -theanine pre-treatment. Moreover, Kyoto Encyclopedia of Genes and Genomes pathwayanalysis indicates the anti-infl ammatory activities ofL -theanine in DSS-induced IBD, with a high representationof genes in “Cholesterol metabolism” and “Retinol metabolism”pathways. Analysis of protein–protein interaction networksfurther indicates the involvement of these two pathways. These studies suggest that medium-dose L -theaninepre-treatment could ameliorate DSS-induced IBD throughmolecular mechanisms involving cholesterol and retinolmetabolism.

Effects of a traditional Chinese medicine formula and its extraction on muscle fiber characteristics in finishing pigs, porcine cell proliferation and isoforms of myosin heavy chain gene expression in myocytes

Yu, Qin Ping,Feng, Ding Yuan,He, Xiao Jun,Wu, Fan,Xia, Min Hao,Dong, Tao,Liu, Yi Hua,Tan, Hui Ze,Zou, Shi Geng,Zheng, Tao,Ou, Xian Hua,Zuo, Jian Jun Asian Australasian Association of Animal Productio 2017 Animal Bioscience Vol.30 No.11

Objective: This study evaluated the effects of a traditional Chinese medicine formula (TCMF) on muscle fiber characteristics in finishing pigs and the effects of the formula's extract (distilled water, ethyl acetate and petroleum ether extraction) on porcine cell proliferation and isoforms of myosin heavy chain (MyHC) gene expression in myocytes. Methods: In a completely randomized design, ninety pigs were assigned to three diets with five replications per treatment and six pigs per pen. The diets included the basal diet (control group), TCMF1 (basal diet+2.5 g/kg TCMF) and TCMF2 (basal diet+5 g/kg TCMF). The psoas major muscle was obtained from pigs at the end of the experiment. Muscle fiber characteristics in the psoas major muscle were analyzed using myosin ATPase staining. Cell proliferation was measured using 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) dye and cytometry. Isoforms of MyHC gene expression were detected by real-time quantitative polymerase chain reaction. Results: The final body weight and carcass weight of finishing pigs were increased by TCMF1 (p<0.05), while the psoas major muscle cross-sectional area was increased by TCMF (p<0.05). The cross-sectional area and diameter of psoas major muscle fiber Ι, IIA, and IIB were increased by TCMF2 (p<0.05). The cross-sectional area and fiber diameter of psoas major muscle fiber IIA and IIB were increased by diet supplementation with TCMF1 (p<0.05). Psoas major muscle fiber IIA and IIB fiber density from the pigs fed the TCMF1 diet and the type IIB fiber density from the pigs fed the TCMF2 diet were lower compared to pigs fed the control diet (p<0.05). Pigs fed TCMF2 had a higher composition of type Ι fiber and a lower percentage of type IIB fiber in the psoas major muscle (p<0.05). The expression levels of MyHC Ι, MyHC IIa, and MyHC IIx mRNA increased and the amount of MyHC IIb mRNA decreased in the psoas major muscle from TCMF2, whereas MyHC Ι and MyHC IIx mRNA increased in the psoas major muscle from TCMF1 (p<0.05). Peroxisome proliferator-activated receptor ${\gamma}$ $coactivator-1{\alpha}$ and CaN mRNA expression in the psoas major muscle were up-regulated by TCMF (p<0.05). Porcine skeletal muscle satellite cell proliferation was promoted by $4{\mu}g/mL$ and $20{\mu}g/mL$ TCMF water extraction (p<0.05). Both $1{\mu}g/mL$ and $5{\mu}g/mL$ of TCMF water extraction increased MyHC IIa, MyHC IIb, and MyHC IIx mRNA expression in porcine myocytes (p<0.05), while MyHC Ι mRNA expression in porcine myocytes was decreased by $5{\mu}g/mL$ TCMF water extraction (p<0.05). Porcine myocyte MyHC Ι and MyHC IIx mRNA expression were increased, and MyHC IIa and MyHC IIb mRNA expression were down-regulated by $5{\mu}g/mL$ TCMF ethyl acetate extraction (p<0.05). MyHC Ι and MyHC IIa mRNA expression in porcine myocytes were increased, and the MyHC IIb mRNA expression was decreased by $1{\mu}g/mL$ TCMF ethyl acetate extraction (p<0.05). Four isoforms of MyHC mRNA expression in porcine myocytes were reduced by $5{\mu}g/mL$ TCMF petroleum ether extraction (p<0.05). MyHC IIa mRNA expression in porcine myocytes increased and MyHC IIb mRNA expression decreased by $1{\mu}g/mL$ in a TCMF petroleum ether extraction (p<0.05). Conclusion: These results indicated that TCMF amplified the psoas major muscle cross-sectional area through changing muscle fiber characteristics in finishing pigs. This effect was confirmed as TCMF extraction promoted porcine cell proliferation and affected isoforms of MyHC gene expression in myocytes.