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A Comparative Study of Camouflage Printing Color Matching Based on Monitor and Paper Card
Yu-wen Wang,Qing-zhu Yi,Yi Ding,Guang-xin Wu,Jing-bin Zhang,Ni Wang 한국섬유공학회 2021 Fibers and polymers Vol.22 No.4
To improve the accuracy of color reproduction for camouflage printing, a new color matching method, namedmonitor-paper-fabric, was proposed by importing color management into textiles, which matched the printing pastesaccording to the color of the paper card printed by the ink-jet printer after color management. Not like the traditional colormatching method, it matched the printing pastes according to the color from computer monitor after color correction. Twocolor matching methods were analyzed by comparing the color difference. It was found that the “monitor-paper-fabric” colormatching method could be considered as a convenient and feasible color matching method. Most color differences betweenthe monitor and the fabric in the camouflage pattern were reduced to lower than 4, except for color blocks 5 and 6. Inaddition, the color differences of six color blocks between the paper and the fabric were all less than 3.5, and were lower thanthose between the monitor and the fabric. The color consistency between the paper and the fabric was better than thatbetween the monitor and the fabric.
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Mechanism and Experimental Investigation of Ultra High Pressure Water Jet on Rubber Cutting
Yi Hu,Yong Kang,Xiao-Chuan Wang,Xiao-Hong Li,Xinping LONG,Guang-Yao Zhai,Man Huang 한국정밀공학회 2014 International Journal of Precision Engineering and Vol. No.
The recycle and reuse of rubber materials has become a global environment problem with the fast increasing amount of waste rubber. Compared to traditional recycle methods, ultra high pressure water jet, as a fast developing tool of cool cutting, can be used inrecycling rubber materials without damaging the internal organization structure of materials. This paper investigates ultra highpressure jet cutting rubber in mechanism and experiment. Different from metallic materials and brittle materials, rubber materialsare cut by the force of shear and tensile under the impinging of ultra high pressure water jet and the erosion of high speed waterflow with rubber powder. The overall structure of kerf is Y shape. The upper section of Y shape is caused by shear, the middle sectionis resulted from both shear and tensile, and the bottom section is a result of the erosion and the tensile. The results of experimentshow: (1) a significant linear correlation between cutting depth and pump pressure;(2) 2.0 mm/s is the optimal transverse velocityunder the current experiment condition;(3) the cutting depth has a decreasing tendency with the stand-off distance increased. It canbe concluded from orthogonal analysis that pump pressure has a signification effect on cutting depth, nozzle transverse velocity isnot remarkable, and the effect of stand-off distance is not obvious.
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( Yi Han Liu ),( Shu Ai Fan ),( Xiao Guang Liu ),( Zhi Meng Zhang ),( Jian Ling Wang ),( Zheng Xiang Wang ),( Fu Ping Lu ) 한국미생물 · 생명공학회 2014 Journal of microbiology and biotechnology Vol.24 No.7
The stability of Bacillus licheniformis alpha-amylase (BLA) under acid condition was enhanced through direct evolution using the error-prone polymerase chain reaction. One beneficial mutation site, H281I, was obtained in BLA. The specific activity of H281I was 161/352 U/mg, which was 62.6/27.5% higher than that of the wild-type (WT) (99/276 U/mg) at pH 4.5/6.5 and 95°C. The pH optimum for H281I was decreased about 1 unit, whereas no significant changes of optimum temperature and thermostability were observed compared with the wild type (WT). The kcat/Km value of H281I was 1.7-/1.4-fold higher at pH 4.5/6.5, respectively, than that of WT. The structure model analysis indicated that the H281I mutation altered the predicted interaction between the amino acid residues at 281 and 273, thus creating a conducive local environment for substrate binding, as reflected by its decreased Km, and consequently increased the specific activity.
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First-principles study of transport properties of endohedral Li@C20 metallofullerene
Yi-Peng An,Chuan-Lu Yang,Mei-Shan Wang,Xiao-Guang Ma,De-Hua Wang 한국물리학회 2010 Current Applied Physics Vol.10 No.1
The transport properties of the endohedral Li@C20 metallofullerene are studied using density functional non-equilibrium Green’s function method. The equilibrium conductance of Li@C20 metallofullerene becomes larger than that of the empty C20 fullerene molecule. The I.V curve under low-bias voltage shows the characteristic of metallic behavior; another, the novel negative differential resistance behavior is also observed. It is found that the doping effect of Li atom significantly changes the transport properties of C20 fullerene.
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Susceptibility Loci Associations with Prostate Cancer Risk in Northern Chinese Men
Wang, Na-Na,Xu, Yong,Yang, Kuo,Wei, Dong,Zhang, Yao-Guang,Liu, Ming,Shi, Xiao-Hong,Liang, Si-Ying,Sun, Liang,Zhu, Xiao-Quan,Yang, Yi-Ge,Tang, Lei,Zhao, Cheng-Xiao,Wang, Xin,Chen, Xin,Hui, Juan,Zhang, Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.5
Background: KLK3 gene products, like human prostate-specific antigen (PSA), are important biomarkers in the clinical diagnosis of prostate cancer (PCa). G protein-coupled receptor RFX6, C2orf43 and FOXP4 signaling plays important roles in the development of PCa. However, associations of these genes with PCa in northern Chinese men remain to be detailed. This study aimed to investigate their impact on occurrence and level of malignancy. Methods: All subjects were from Beijing and Tianjin, including 266 cases with prostate cancer and 288 normal individuals as controls. We evaluated associations between clinical covariates (age at diagnosis, prostate specific antigen, Gleason score, tumor stage and aggressive) and 6 candidate PCa risk loci, genotyped by PCR- high resolution melting curve and sequencing methods. Results: Case-control analysis of allelic frequency of PCa associated with PCa showed that one of the 6 candidate risk loci, rs339331 in the RFX6 gene, was associated with reduced risk of prostate cancer (odds ratio (OR) = 0.73, 95% confidence interval (CI) =0.57-0.94, P = 0.013) in northern Chinese men. In addition, subjects with CX (CC+TC) genotypes had a decreased risk for prostrate cancer compared to those carrying the TT homozygote (OR =0.64, 95% CI = 0.45- 0.90, P = 0.008). The TT genotype of 13q22 (rs9600079, T) was associated with tumor stage (P=0.044, OR=2.34, 95% CI=0.94-5.87). Other SNPs were not significantly associated with clinical covariates in prostate cancer (P > 0.05). Conclusions. rs339331 in the RFX6 gene may be associated with prostate cancer as a susceptibility locus in northern Chinese men.
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Wang Lu,Dai Ying-Jie,Cui Yu,Zhang Hong,Jiang Chang-Hao,Duan Ying-Jie,Zhao Yong,Feng Ye-Fang,Geng Shi-Mei,Zhang Zai-Hui,Lu Jiang,Zhang Ping,Zhao Li-Wei,Zhao Hang,Ma Yu-Tong,Song Cheng-Guang,Zhang Yi,Ch 대한뇌졸중학회 2023 Journal of stroke Vol.25 No.3
Background and Purpose Intravenous tenecteplase (TNK) efficacy has not been well demonstrated in acute ischemic stroke (AIS) beyond 4.5 hours after onset. This study aimed to determine the effect of intravenous TNK for AIS within 4.5 to 24 hours of onset. Methods In this pilot trial, eligible AIS patients with diffusion-weighted imaging (DWI)-fluid attenuated inversion recovery (FLAIR) mismatch were randomly allocated to intravenous TNK (0.25 mg/kg) or standard care within 4.5–24 hours of onset. The primary endpoint was excellent functional outcome at 90 days (modified Rankin Scale [mRS] score of 0–1). The primary safety endpoint was symptomatic intracranial hemorrhage (sICH). Results Of the randomly assigned 80 patients, the primary endpoint occurred in 52.5% (21/40) of TNK group and 50.0% (20/40) of control group, with no significant difference (unadjusted odds ratio, 1.11; 95% confidence interval 0.46–2.66; <i>P</i>=0.82). More early neurological improvement occurred in TNK group than in control group (11 vs. 3, <i>P</i>=0.03), but no significant differences were found in other secondary endpoints, such as mRS 0–2 at 90 days, shift analysis of mRS at 90 days, and change in National Institutes of Health Stroke Scale score at 24 hours and 7 days. There were no cases of sICH in this trial; however, asymptomatic intracranial hemorrhage occurred in 3 of the 40 patients (7.5%) in the TNK group. Conclusion This phase 2, randomized, multicenter study suggests that intravenous TNK within 4.5–24 hours of onset may be safe and feasible in AIS patients with a DWI-FLAIR mismatch.
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Cai-Yi Wen,Shun-Shan Shen,Zhi-Gang Yin,Kai-Xuan Wang,Jian-Guang Chen 한국식물병리학회 2011 Plant Pathology Journal Vol.27 No.4
Bacillus subtilis EBS05, an endophytic bacteria strain isolated from a medicinal plant Cinnamomum camphor,can produce antagonistic compounds that effectively inhibit plant pathogenic fungi. The greenhouse experiments showed that wheat sharp eyespot disease (WSED)was reduced by 91.2%, 88.2% and 43.0% after the treatment with fermentation broth, bacteria-free filter and a fungicide fludioxonil, respectively. The culture broth of strain EBS05 can more effectively control WSED than can fludioxonil. The fermentation broth and bacteria-free filter ability to suppress WSED was not significantly different, suggesting that an active secreted substance played a major role in controlling WSED. Separation and purification of the active compounds was carried out by serial processes, including hydrochloric acid (pH 2.0) treatment, methanol extraction and Sephadex LH-20 column chromatography,silica gel column chromatography and reverse-phase high-pressure liquid chromatography (HPLC), respectively. The purified compounds, one of active peaks in the HPLC spectrum, were obtained from the collection. Analysis of the chemical structures by time-of-flight mass spectrometry (TOF-MS) and electrospray ionization mass spectrometry/mass spectrometry (ESI-MS/MS) showed that the active substances produced by the endophytic bacteria EBS05 are mixture of the β-hydroxy-C12~C15-Leu^7 surfactin A isomers with 1035.65Da, 1021.64 Da, 1007.63 Da and 993.65 Da molecular weights, respectively.
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金光益 ( Guang-yi Jin ),王秀娟 ( Xiu-juan Wang ) 한중사회과학학회 2024 한중사회과학연구 Vol.22 No.3
As an important way to implement rural tourism, rural tourism development model and its academic research results are an important theoretical basis for promoting rural revitalisation strategy. The article uses CiteSpace software to visualise and analyse 1203 pieces of rural tourism related literature from CNKI database and WOS database from 2005 to 2023, and discusses the hotspots and research trends of its rural tourism development model. The research results show that: ① the re se arch power of rural tourism development mode is mainly concentrated in China, the United States and European countries, and the domestic research power is concentrated in geography and tourism colleges and universities; domestic and foreign research authors are generally independent research; ② the research focus of rural tourism development mode in China and abroad can be summarised as the research on the development direction of rural tourism development mode, the research on the stakeholders of rural tourism development mode, and the direction of representative team Transformation research; foreign countries are divided into two stages with 2019 as the boundary, and the domestic rural tourism development model research has roughly experienced three stages: the growth stage, the transformation stage, and the maturity stage. Comprehensively, the research direction and research theme of rural tourism development mode in China and abroad tend to be consistent, generally presenting a shift from focusing on economic development and resource endowment to focusing on the attitudes of local community residents and the sustainable development of rural tourism development mode. Through this study, we clarify the current status of rural tourism development model research, grasp the future research direction, and emphasise the significance of the research results in guiding rural tourism practice, promoting rural revitalisation, and enhancing international exchange and cooperation. It not only helps academics to deeply understand the internal logic of rural tourism development, but also provides valuable references and insights for policy makers, tourism practitioners and community residents.
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