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The hidden-charm multiquark states
[article]
2017
arXiv
pre-print
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Chen ...
arXiv:1701.01551v1
fatcat:h7ixgdspfnggpj3thjrughjp3m
Issue in statistical strategy in case-control study
2015
Hepatology
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Li X, Chen ZH, Ma XK, Chen J, Wu DH, Lin Q, et al. Neutrophil- to-lymphocyte ratio acts as a prognostic factor for patients with advanced hepatocellular carcinoma. ...
doi:10.1002/hep.27633
pmid:25477185
fatcat:iu2qd2mofvg3xibz2vbw3ohoni
Diarylpropanes from Horsfieldia kingii
2019
Figshare
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Three new diarylpropanes (1–3), including two diarylpropane glycosides, and three known ones, were isolated from 70% aqueous acetone extract of the twigs and leaves of Horsfieldia kingii. Their structures were elucidated by spectroscopic analysis. Bioactive evaluation of inhibition on DDC enzyme assay showed that the new compounds were inactive.
doi:10.6084/m9.figshare.8966051.v1
fatcat:przqcxavq5bpnabymnuz25dley
Intuitive, Interactive Beard and Hair Synthesis with Generative Models
[article]
2020
arXiv
pre-print
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We present an interactive approach to synthesizing realistic variations in facial hair in images, ranging from subtle edits to existing hair to the addition of complex and challenging hair in images of clean-shaven subjects. To circumvent the tedious and computationally expensive tasks of modeling, rendering and compositing the 3D geometry of the target hairstyle using the traditional graphics pipeline, we employ a neural network pipeline that synthesizes realistic and detailed images of facial
arXiv:2004.06848v1
fatcat:ldp4ujm2rbejnlxlt2ox6b2uha
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... hair directly in the target image in under one second. The synthesis is controlled by simple and sparse guide strokes from the user defining the general structural and color properties of the target hairstyle. We qualitatively and quantitatively evaluate our chosen method compared to several alternative approaches. We show compelling interactive editing results with a prototype user interface that allows novice users to progressively refine the generated image to match their desired hairstyle, and demonstrate that our approach also allows for flexible and high-fidelity scalp hair synthesis.
UAV Remote Sensing Image Rural Building Detection Based on Convolutional Neural Network
2019
DEStech Transactions on Engineering and Technology Research
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In order to improve the accuracy of intelligent detection of rural buildings, this paper uses massive remote sensing data of UAV to train convolutional neural network and improves CaffeNet model. Experimental results are as the followings: With reference to the traditional CaffeNet, the improved a-CaffeNet has an accuracy rate of 97.30%. The test time and the training time are shortened by 30.4% and 11.84% respectively. According to the experiments, this method is more suitable for remote sensing image of rural buildings detection.
doi:10.12783/dtetr/aemce2019/29502
fatcat:bk2ms7oewrerbpsr2vjbtcbtgu
Magnetization mechanism of magnetized water
2011
Wuli xuebao
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An ELM-Based Approach for Estimating Train Dwell Time in Urban Rail Traffic
2015
Mathematical Problems in Engineering
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Dwell time estimation plays an important role in the operation of urban rail system. On this specific problem, a range of models based on either polynomial regression or microsimulation have been proposed. However, the generalization performance of polynomial regression models is limited and the accuracy of existing microsimulation models is unstable. In this paper, a new dwell time estimation model based on extreme learning machine (ELM) is proposed. The underlying factors that may affect
doi:10.1155/2015/473432
fatcat:p7yfhbj5tbf2doj67f47ujiaru
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... rail dwell time are analyzed first. Then, the relationships among different factors are extracted and modeled by ELM neural networks, on basis of which an overall estimation model is proposed. At last, a set of observed data from Beijing subway is used to illustrate the proposed method and verify its overall performance.
A high-efficiency L-band coaxial three-period relativistic Cherenkov oscillator
2019
Scientific Reports
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ChenYu Zhao and SiYao Chen analysed the data and interpreted the results. XingJun Ge and ChenYu Zhao wrote the manuscript. ...
Author Contributions XingJun Ge and Jun Zhang conceived and designed the device. XingJun Ge, ZhiCheng Luo and Peng Zhang performed the experiments and PIC simulations. ...
doi:10.1038/s41598-019-47496-8
pmid:31439902
pmcid:PMC6706425
fatcat:xdfz5aql5nhqjfus3s74dqcxjy
An Improved Coupled Modeling Method for Coalbed Methane Extraction after Hydraulic Fracturing
2022
Geofluids
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This paper proposes an improved coupled modeling method for coalbed methane extraction after hydraulic fracturing. Based on the damage mechanics theory, we introduce a state damage variable to record the damage changes at different times and construct the coupling governing equations of the seepage field and solid mechanics field in the hydraulic fracturing process. Then, the results of hydraulic fracturing simulation are used as initial values to perform coupling modeling for coalbed methane
doi:10.1155/2022/8995347
fatcat:2r24hun6tvedlf7utpjisldb6y
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... traction. The method is implemented by the combination of different modules in COMSOL to solve the state damage variable, displacement, and pressure. Additionally, two 2D numerical examples are used to verify the precision of this method, and a 3D coalbed methane extraction simulation is performed to analyze the extraction effects and the evolution characteristics of the permeability before and after hydraulic fracturing. Numerical examples show that the proposed coupling modeling method can not only simplify the calculation steps of the CwM method and reduce the numerical errors caused, but also characterize the damage, porosity, permeability, and extraction effect caused by hydraulic fracturing in coal seams with permeability anisotropy.
Guided transmission of oxygen ions through Al2O3nanocapillaries
2009
Chinese Physics B
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Chen Yi-Feng et alVol. 18 ...
doi:10.1088/1674-1056/18/7/019
fatcat:qdyayz542baopljufykruupciy
Autocomplete painting repetitions
2014
ACM Transactions on Graphics
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Workflows have been found useful for a variety of applications [Grossman et al. 2010; Denning et al. 2011; Chen et al. 2011; Zitnick 2013] . ...
et al. 2014] , tutorial [Kong et al. 2012; Lafreniere et al. 2013] , revision [Chen et al. 2011] , stylization [Fernquist et al. 2011] , and beautification [Zitnick 2013 ]. ...
doi:10.1145/2661229.2661247
fatcat:a3oiv5szlfgijbykfodqvekm6m
Intratumoral Macroscopic Fat and Hemorrhage Combination Useful in the Differentiation of Benign and Malignant Solid Renal Masses
2016
Medicine
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The newly developed 2D SWI has been successfully used to visualize the hemorrhage of hepatocellular carcinoma in a previous study. 11 Xing et al 9 first used this technique to study renal cancer and ...
doi:10.1097/md.0000000000002960
pmid:26962796
pmcid:PMC4998877
fatcat:sjicku6rvvhlvbg5krqpvfxfdy
Identification and characterization of novel amphioxus microRNAs by Solexa sequencing
2009
Genome Biology
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http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Amphioxus microRNAs An analysis of amphioxus miRNAs suggests an expansion of miRNAs played a key role in the evolution of chordates to vertebrates Abstract Background: microRNAs (miRNAs) are endogenous small non-coding RNAs that regulate gene expression at the post-transcriptional level. While the number of known human and
doi:10.1186/gb-2009-10-7-r78
pmid:19615057
pmcid:PMC2728532
fatcat:e2u5sj3trba3tkr3lizsixzzeq
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... miRNAs is continuously increasing, information regarding miRNAs from other species such as amphioxus remains limited. Results: We combined Solexa sequencing with computational techniques to identify novel miRNAs in the amphioxus species B. belcheri (Gray). This approach allowed us to identify 113 amphioxus miRNA genes. Among them, 55 were conserved across species and encoded 45 nonredundant mature miRNAs, whereas 58 were amphioxus-specific and encoded 53 mature miRNAs. Validation of our results with microarray and stem-loop quantitative RT-PCR revealed that Solexa sequencing is a powerful tool for miRNA discovery. Analyzing the evolutionary history of amphioxus miRNAs, we found that amphioxus possesses many miRNAs unique to chordates and vertebrates, and these may thus represent key steps in the evolutionary progression from cephalochordates to vertebrates. We also found that amphioxus is more similar to vertebrates than are tunicates with respect to their miRNA phylogenetic histories. Conclusions: Taken together, our results indicate that Solexa sequencing allows the successful discovery of novel miRNAs from amphioxus with high accuracy and efficiency. More importantly, our study provides an opportunity to decipher how the elaboration of the miRNA repertoire that occurred during chordate evolution contributed to the evolution of the vertebrate body plan.
Reduced expression of MTUS1 mRNA is correlated with poor prognosis in bladder cancer
2012
Oncology Letters
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Mitochondrial tumor suppressor 1 (MTUS1) is a newly identified candidate tumor suppressor gene. Previous studies have demonstrated that the expression status of MTUS1 is altered in several types of tumors. However, its clinical significance for bladder cancer patients remains undetermined. In this study, we detected the expression of MTUS1 mRNA in bladder tumors and paired normal samples obtained from 5 patients using semi-quantitative reverse transcription-polymerase chain reaction (RT-PCR). A
doi:10.3892/ol.2012.673
pmid:22807972
pmcid:PMC3398346
fatcat:a6i4nq5zlfgcrp6jkn76ibl7z4
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... significant downregulation of MTUS1 mRNA expression was observed in the tumor tissues compared with the corresponding normal bladder tissue (P<0.001). We further tested the expression of MTUS1 mRNA in 55 bladder cancer tissues and 10 adjacent normal bladder tissues by quantitative real-time RT-PCR. Correlations between MTUS1 and clinicopathological features and prognosis were investigated by statistical analyses. The results showed that MTUS1 expression was correlated with tumor grade, stage, size and number (P<0.001, P<0.001, P=0.034 and P=0.029, respectively). Patients with low levels of MTUS1 mRNA expression had a poor prognosis compared with those with a high expression (P<0.001). Univariate and multivariate logistic regression prognostic analyses revealed that MTUS1 mRNA was an independent prognostic factor for disease-free survival in bladder cancer (P<0.05). In conclusion, these data suggest that MTUS1 is significant in the progression of bladder cancer and that the status of MTUS1 mRNA expression is a novel prognostic marker for predicting bladder tumor disease-free survival.
Synthesis and Cytotoxicity Evaluation of Tropinone Derivatives
2017
Natural Products and Bioprospecting
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Sixteen tropinone derivatives were prepared, and their antitumor activities against five human cancer cells (HL-60, A-549, SMMC-7721, MCF-7 and SW480) were evaluated with MTS [3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxy methoxyphenyl)-2-(4-sulfopheny)-2H-tetrazolium] assay. Most of the derivatives exhibited better activities compared with tropinone at the concentration of 40 lM. Particularly, derivative 6 showed significant activities with IC 50 values of 3.39, 13.59, 6.65, 13.09 and 12.38 lM
doi:10.1007/s13659-017-0124-z
pmid:28321792
pmcid:PMC5397392
fatcat:yzj75r2fb5eupgdmvou5klgjna
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... ectively against HL-60, A-549, SMMC-7721, MCF-7 and SW480 cells, which suggested more potent activities than that of cis-dichlorodiamineplatinum (DDP).
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