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Wu Ming-Wei,Hwang Kuen-Shyang,Huang Hung-Shang 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
The microstructures of Ni-containing P/M steels produced by admixed powders or diffusion alloyed powders are usually heterogeneous. To improve the microstructure homogeneity, the effects of Mo and Cr additions in the prealloyed powder form were examined. The results showed that the microstructural homogeneity was improved and superior mechanical properties were achieved with increases in the alloy content, particularly for the Cr. Such a beneficial effect was attained due to the reduction of the repelling effect between Ni and C, as was demonstrated through thermodynamic analysis using the Thermo-Calc software.
Wu, Sa,Zhang, Xin,Li, Zhi-Ming,Shi, Yan-Xia,Huang, Jia-Jia,Xia, Yi,Yang, Hang,Jiang, Wen-Qi Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.11
Post-transplant lymphoproliferative disorder (PTLD) is a common complication of therapeutic immunosuppression after organ transplantation. Gene expression profile facilitates the identification of biological difference between Epstein-Barr virus (EBV) positive and negative PTLDs. Previous studies mainly implemented variance/regression analysis without considering unaccounted array specific factors. The aim of this study is to investigate the gene expression difference between EBV positive and negative PTLDs through partial least squares (PLS) based analysis. With a microarray data set from the Gene Expression Omnibus database, we performed PLS based analysis. We acquired 1188 differentially expressed genes. Pathway and Gene Ontology enrichment analysis identified significantly over-representation of dysregulated genes in immune response and cancer related biological processes. Network analysis identified three hub genes with degrees higher than 15, including CREBBP, ATXN1, and PML. Proteins encoded by CREBBP and PML have been reported to be interact with EBV before. Our findings shed light on expression distinction of EBV positive and negative PTLDs with the hope to offer theoretical support for future therapeutic study.
Advanced Process Control of the Critical Dimension in Photolithography
Wu, Chien-Feng,Hung, Chih-Ming,Chen, Juhn-Horng,Lee, An-Chen Korean Society for Precision Engineering 2008 International Journal of Precision Engineering and Vol.9 No.1
This paper describes two run-to-run controllers, a nonlinear multiple exponential-weight moving-average (NMEWMA) controller and a dynamic model-tuning minimum-variance (DMTMV) controller, for photolithography processes. The relationships between the input recipes (exposure dose and focus) and output variables (critical dimensions) were formed using an experimental design method, and the photolithography process model was built using a multiple regression analysis. Both the NMEWMA and DMTMV controllers could update the process model and obtain the optimal recipes for the next run. Quantified improvements were obtained from simulations and real photolithography processes.
The Effect of Monetary Policies on the Relationship between Advertising and Mutual Fund Flows
Ming-Hung Wu,Wei-Che Tsai,Miao-Ling Chen 한국증권학회 2016 Asia-Pacific Journal of Financial Studies Vol.45 No.5
This paper investigates the effect of monetary policies, mainly proxied by interest rate changes, on the relationship between advertising and subsequent net cash flows for Taiwan’s mutual fund industry. Based on a comprehensive mutual fund dataset and allowing for a precise estimation of fund inflows and outflows, we find that there is a positive advertising–cash flow relation under different macroeconomic conditions. Taking into account a change in the interest rate, we document that the positive relationship between the two only exists when the interest rate is at a relatively low level regardless of restrictive and expansionary periods. Our empirical findings shed new light on marketing strategies whereby mutual fund advertising works well during relatively low interest rate environments, which are generally interpreted as exhibiting low cost of capital and a good signal of future economic conditions.
Wu, Chun-Wei,Lin, Kuan-Hung,Lee, Ming-Chih,Peng, Yung-Liang,Chou, Ting-Yi,Chang, Yu-Sen Korean Society of Horticultural Science 2015 원예과학기술지 Vol.33 No.6
The objective of this study was to predict the timing of nitrogen (N) demand through analyzing chlorophyll fluorescence (ChlF), soil-plant analysis development (SPAD), and normalized difference vegetation index (NDVI), which are positively correlated with foliar N concentration in star cluster (Pentas lanceolata). The plants were grown in potting soil under optimal conditions for 30 d, followed by weekly irrigation with five concentrations (0, 4, 8, 16, and 24 mM) of N for an additional 30 d. These five N application levels corresponded to leaf N concentrations of 2.62, 3.48, 4.00, 4.23, and 4.69%, respectively. We measured 13 morphological and physiological parameters, as well as the responses of these parameters to various N-fertilizer treatments. The general increases in Dickson's quality index (DQI), above-ground dry weight (DW), total DW, flowering rate, ${\Delta}F/Fm$', and qP in response to treatment with 0 to 8 mM N were similar to those of SPAD, NDVI, and Fv/Fm. Consistent and strong correlations ($R^2$= 0.60 to 0.85) were observed between leaf N concentration (%) and SPAD, NDVI, ${\Delta}F/Fm$', and above-ground DW. Validation of leaf S PAD, NDVI, and ${\Delta}F/Fm$' revealed that these vegetation indices are accurate predictors of leaf N concentration that can be used for non-destructive estimation of the proper timing for N-solution irrigation of P. lanceolata. Moreover, irrigation with 8 mM N-fertilizer i s recommended w hen leaf N concentration, SPAD, NVDI, and ${\Delta}F/Fm$' ratios are reduced from their saturation values of 4.00, 50.68, 0.64, and 0.137%, respectively.
Ming-Wun Wong,I-Hsuan Lo,Wei-Kai Wu,Po-Yu Liu,Yu-Tang Yang,Chun-Yao Chen,Ming-Shiang Wu,Sunny H Wong,Wei-Yi Lei,Chih-Hsun Yi,Tso-Tsai Liu,Jui-Sheng Hung,Shu-Wei Liang,C Prakash Gyawali,Chien-Lin Che 대한소화기 기능성질환∙운동학회 2024 Journal of Neurogastroenterology and Motility (JNM Vol.30 No.3
Background/AimsIneffective esophageal motility (IEM) is common in patients with gastroesophageal reflux disease (GERD) and can be associated with poor esophageal contraction reserve on multiple rapid swallows. Alterations in the esophageal microbiome have been reported in GERD, but the relationship to presence or absence of contraction reserve in IEM patients has not been evaluated. We aim to investigate whether contraction reserve influences esophageal microbiome alterations in patients with GERD and IEM. MethodsWe prospectively enrolled GERD patients with normal endoscopy and evaluated esophageal motility and contraction reserve with multiple rapid swallows during high-resolution manometry. The esophageal mucosa was biopsied for DNA extraction and 16S ribosomal RNA gene V3-V4 (Illumina)/full-length (Pacbio) amplicon sequencing analysis. ResultsAmong the 56 recruited patients, 20 had normal motility (NM), 19 had IEM with contraction reserve (IEM-R), and 17 had IEM without contraction reserve (IEM-NR). Esophageal microbiome analysis showed a significant decrease in microbial richness in patients with IEM-NR when compared to NM. The beta diversity revealed different microbiome profiles between patients with NM or IEM-R and IEM-NR (P = 0.037). Several esophageal bacterial taxa were characteristic in patients with IEM-NR, including reduced Prevotella spp. and Veillonella dispar, and enriched Fusobacterium nucleatum. In a microbiome-based random forest model for predicting IEM-NR, an area under the receiver operating characteristic curve of 0.81 was yielded. ConclusionsIn symptomatic GERD patients with normal endoscopic findings, the esophageal microbiome differs based on contraction reserve among IEM. Absent contraction reserve appears to alter the physiology and microbiota of the esophagus.
Hong Wu,Ruhui Li,XiaoDong Hang,Ming Yan,Feng Niu,Lidi Liu,Wei Liu,Song Zhao,Shaokun Zhang 한국유방암학회 2011 Journal of breast cancer Vol.14 No.3
Purpose: To investigate the distribution of CD44+/CD24- cells in breast cancers in relation to tumor size before and after the administration of neoadjuvant chemotherapy. Methods: CD44+/CD24- tumor cells obtained from breast cancer specimens were characterized in vivo and in vitro using tumor formation assays and mammosphere generation assays, respectively. The distribution of CD44+/CD24- tumor cells in 78 breast cancer specimens following administration of neoadjuvant chemotherapy was also evaluated using immunofluorescence assays, and this distribution was compared with the extent of tumor invasion predicted by Response Evaluation Criteria in Solid Tumours (RECIST). Results: In 27/78 cases, complete remission (CR) was identified using RECIST. However, 18 of these CR cases were associated with a scattered distribution of tumor stem cells in the outline of the original tumor prior to neoadjuvant chemotherapy. After neoadjuvant chemotherapy, 24 cases involved cancer cells that were confined to the tumor outline, and 21 cases had tumor cells or tumor stem cells overlapping the tumor outline. In addition, there were 6 patients who were insensitive to chemotherapy, and in these cases, both cancer cells and stem cells were detected outside the contours of the tumor volume imaged prior to chemotherapy. Conclusion:CD44+/CD24- tumor cells may be an additional parameter to evaluate when determining the extent of breast cancer invasion.
A Novel Transparent Microwave Thin Film Coating Technique Applied to Dual‑Band Antennas
Yu-Ming Lin,Hung-Wei Wu,Yung-Wei Chen,Cheng-Yuan Hung,Shoou-Jinn Chang,Yan-Kuin Su 대한금속·재료학회 2019 ELECTRONIC MATERIALS LETTERS Vol.15 No.6
In this paper, we propose a novel transparent microwave thin film coating technique and discuss its application in planardual-band antennas (0.9/5.55 GHz). We developed a new process for activating the nano-alignment thin film from high tolow resistivity (from 1.96 to 1.29 × 10−4 Ω cm) and from partial to full transparency (from 55 to 83% transmittance) within150 s. The platform of the activation process comprises a periodic electrode, an optical microscope, and an alternating currentsignal generator. The periodic electrode can effectively rearrange the nano-alignment thin film into an ordered arrangement,which enhances the properties of the thin film in the microwave frequency range. A high-transparency and low-resistivitydual-band antenna is designed and fabricated using the proposed microwave thin film coating technique. The dual-bandantenna has operating bandwidths of 740–960 and 5030–7030 MHz and potential applications in transparent electronicssuch as wearable devices and intelligent cars.