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1The structural and accessory proteins M,ORF 4a,ORF 4b,and ORF 5 of Middle East respiratory syndrome coronavirus(MERS-CoV)are potent interferon antagonists显示文摘The newly emerged Middle East respiratory syndrome coronavirus(MERS-CoV)is a highly pathogenic respira-tory virus with pathogenic mechanisms that may be driven by innate immune pathways.The goal of this study is to characterize the expression of the structural(S,E,M,N)and accessory(ORF 3,ORF 4a,ORF 4b,ORF 5)proteins of MERS-CoV and to determine whether any of these pro-teins acts as an interferon antagonist.Individual structural and accessory protein-coding plasmids with an N-terminal HA tag were constructed and transiently transfected into cells,and their native expression and subcellular localiza-tion were assessed using Wes tern blotting and indirect immunofl uorescence.While ORF 4b demonstrated majorly nuclear localization,all of the other proteins demonstrated cytoplasmic localization.In addition,for the fi rst time,our experiments revealed that the M,ORF 4a,ORF 4b,and ORF 5 proteins are potent interferon antagonists.Further exami-nation revealed that the ORF 4a protein of MERS-CoV has the most potential to counteract the antiviral effects of IFN via the inhibition of both the interferon production(IFN-βpromoter activity,IRF-3/7 and NF-κB activation)and ISRE promoter element signaling pathways.Together,our re-sults provide new insights into the function and pathogenic role of the structural and accessory proteins of MERS-CoV.Yang Yang Ling Zhang Heyuan Geng Yao Deng Baoying Huang Yin Guo Zhengdong Zhao Wenjie Tan 2013Protein & Cell2013,4,12:25
2Thoughts on the Implementation Path to a Carbon Peak and Carbon Neutrality in China’s Steel Industry显示文摘1.The CO_(2) emission status of the steel industry in China As an important basic sector of the national economy,China’s steel industry is a major energy consumer and a major emitter of carbon dioxide(CO_(2)).Based on previous studies[1-3],Fig.1 shows a preliminary estimation of the CO_(2) emissions of the steel industry in China from 1991 to 2019.Ruiyu Yin Zhengdong Liu Fangqin Shangguan 2021Engineering2021,7,12:15
3Study on shallow groundwater information extraction technology based on multi-spectral data and spatial data显示文摘Aimed at solving the difficulties,such as low efficiency and limited exploration range encountered in finding groundwater with the traditional methods,a new method was presented by using remote sensing technology in this paper.Based on multi-spectral data(ETM data) and spatial data(SRTM data),a forecasting model was built to produce a probability rating map for finding shallow groundwater in the arid and semi-arid areas.According to investigations,a conclusion is drawn that the results of the model are satisfied,which have been testified by the later geophysical exploration and drilling.Thus,the model can serve as a guide for finding groundwater in the arid and semi-arid regions.YU DeHao DENG ZhengDong LONG Fan GUAN HongJun WANG DaQing GOU YiZheng 2009Science China(Technological Sciences)2009,52,5:9
4Mechanosignaling activation of TGFβmaintains intervertebral disc homeostasis显示文摘Intervertebral disc(IVD) degeneration is the leading cause of disability with no disease-modifying treatment.IVD degeneration is associated with instable mechanical loading in the spine, but little is known about how mechanical stress regulates nucleus notochordal(NC) cells to maintain IVD homeostasis. Here we report that mechanical stress can result in excessive integrin α_vβ_6-mediated activation of transforming growth factor beta(TGFβ), decreased NC cell vacuoles, and increased matrix proteoglycan production, and results in degenerative disc disease(DDD). Knockout of TGFβ type II receptor(TβRII) or integrin α_v in the NC cells inhibited functional activity of postnatal NC cells and also resulted in DDD under mechanical loading.Administration of RGD peptide, TGFβ, and α_vβ_6-neutralizing antibodies attenuated IVD degeneration. Thus,integrin-mediated activation of TGFβ plays a critical role in mechanical signaling transduction to regulate IVD cell function and homeostasis. Manipulation of this signaling pathway may be a potential therapeutic target to modify DDD.Qin Bian Lei Ma Amit Jain Janet L Crane Khaled Kebaish Mei Wan Zhengdong Zhang X Edward Guo Paul D Sponseller Cheryle A Seguin Lee H Riley Yongjun Wang Xu Cao 2017Bone Research2017,5,1:9
5Prevalence and molecular characteristics of Listeria monocytogenes in cooked products and its comparison with isolates from listeriosis cases显示文摘这研究试图在 Zigong 城市里在煮的产品调查流行和 Listeria monocytogenes 的分子的特征,中国。L 的全面出现。在商店和羊肉餐馆调查了的 ready-to-eat (RTE ) 的 monocytogenes 是 16.2%(141/873 ) 。13.5% 的出现在 RTE 猪肉被观察, 6.5% 在 RTE 蔬菜,并且非常, 24.0% 在也煮了羊肉或煮了将羊杂切碎加麦片纳入羊胃中煮成的食物。Serotype 1/2b (45.4%) , 1/2a (33.3%) ,和 1/2c (14.2%) 是占优势的类型。由基于 L 的打字的 multilocus 顺序(MLST ) 比较同种细胞的建筑群(CC ) 。从从中国, CC87, CC9, CC8,和 CC3 的不同区域的 Zigong 城市和 33 个 listeriosis 案例里的煮的食物的 monocytogenes 被显示在煮的产品和 CC87 流行, CC3 是在 33 诊所来源紧张的开始的二种经常的类型。所有 CC87 污点怀有最新报导的 Listeria 致病力岛 4 (LIPI-4 ) 基因碎片 ptsA,和所有 CC3 紧张拥有了 Listeria 致病力岛 3 (LIPI-3 ) 基因碎片 llsX。这些可以增加在中国在 listeriosis 情况中属于 CC87 和 CC3 的紧张的出现并且也从 Zigong 由于煮的产品的消费加重感染的风险。ST619 (serotype 1/2b ) 怀有 llsX 和 ptsA,显示在 Zigong 的一种潜在的 hypervirulent 顺序类型。Hong Wang Lijuan Luo Zhengdong Zhang Jianping Deng Yan Wang Yimao Miao Ling Zhang Xi Chen Xiang Liu Songsong Sun Bo Xiao Qun Li Changyun Ye 2018Frontiers of Medicine2018,12,1:9
6Sintilimab versus docetaxel as second-line treatment in advanced or metastatic squamous non-small-cell lung cancer:an open-label,randomized controlled phase 3 trial(ORIENT-3)显示文摘Background:Treatment options for Chinese patients with locally advanced or metastatic squamous-cell non-small-cell lung cancer(sqNSCLC)after failure of first-line chemotherapy are limited.This study(ORIENT-3)aimed to evaluate the efficacy and safety of sintilimab versus docetaxel as second-line treatment in patients with locally advanced or metastatic sqNSCLC.Methods:ORIENT-3 was an open-label,multicenter,randomized controlled phase 3 trial that recruited patients with stage IIIB/IIIC/IV sqNSCLC after failure with first-line platinum-based chemotherapy.Patients were randomized in a 1:1 ratio to receive either 200 mg of sintilimab or 75 mg/m^(2) of docetaxel intravenously every 3 weeks,stratified by the Eastern Cooperative Oncology Group performance status.The primary endpoint was overall survival(OS)in the full analysis set(FAS).Secondary endpoints included progression-free survival(PFS),objective response rate(ORR),disease control rate(DCR),duration of response(DoR)and safety.Results:Between August 25,2017,and November 7,2018,290 patients were randomized.For FAS,10 patients fromthe docetaxel armwere excluded.Themedian OS was 11.79(n=145;95%confidence interval[CI],10.28-15.57)months with sintilimab versus 8.25(n=135;95%CI,6.47-9.82)months with docetaxel(hazard ratio[HR]:0.74;95%CI,0.56-0.96;P=0.025).Sintilimab treatment significantly prolonged PFS(median 4.30 vs.2.79 months;HR:0.52;95%CI,0.39-0.68;P<0.001)and showed higher ORR(25.50%vs.2.20%,P<0.001)and DCR(65.50%vs.37.80%,P<0.001)than the docetaxel arm.The median DoRwas 12.45(95%CI,4.86-25.33)months in the sintilimab arm and 4.14(95%CI,1.41-7.23)months in the docetaxel arm(P=0.045).Treatment-related adverse events of grade≥3were reported in 26(18.1%)patients in the sintilimab arm and 47(36.2%)patients in the docetaxel arm.Exploratory biomarker analysis showed potential predictive values of expression levels of two transcription factors,including OVOL2(HR:0.35;P<0.001)and CTCF(HR:3.50;P<0.001),for sintilimab treatment.Conclusions:Compared with docetaxel,sintilimab significantly improved the OS,PFS,and ORR of Chinese patients with previously treated locally advanced or metastatic sqNSCLC.Yuankai Shi Lin Wu Xinmin Yu Puyuan Xing Yan Wang Jianying Zhou Airong Wang Jianhua Shi Yi Hu Ziping Wang Guangyu An Yong Fang Sanyuan Sun Caicun Zhou Changli Wang Feng Ye Xingya Li Junye Wang Mengzhao Wang Yunpeng Liu Yanqiu Zhao Ying Yuan Jifeng Feng Zhendong Chen Jindong Shi Tao Sun Gang Wu Yongqian Shu Qisen Guo Yi Zhang Yong Song Shucai Zhang Yuan Chen Wei Li Hongrui Niu Wenwei Hu Lijun Wang Jianan Huang Yang Zhang Ying Cheng Zhengdong Wu Bo Peng Jiya Sun Christoph Mancao Yanqi Wang Luyao Sun 2022Cancer Communications2022,42,12:8
7Effect of Laser Power on the Microstructure and Mechanical Properties of TiN/Ti_3Al Composite Coatings on Ti6Al4V显示文摘Laser nitriding is one of the effective techniques to improve the surface properties of titanium alloys and has potential application in the life extension of last-stage steam turbine blades. However, cracking of surface coating is a common problem due to heat concentration in laser nitriding process. Conventionally, the cracks can be avoided through heat treatment, which may have an important influence on the mechanical properties of coating. Crack-free TiN/Ti3Al IMC coatings on Ti6Al4V are prepared by plasma spraying and laser nitriding. The microstructures, phase constitutes and compositions of the coating are observed and analyzed with scanning electron microscopy(SEM), X-ray diffraction(XRD) and X-ray energy-dispersive spectroscopy(EDS). Microhardness, elastic modulus, fracture toughness of the coating are measured. The results show that the crackand pore-free IMC coatings can be made through the proposed method; with increasing laser power, the amount and density of TiN phase in the coating first increased and then decreased, leading to the similar trend of microhardness and elastic modulus and the reverse trend of fracture toughness of the coating. Both the average microhardness and elastic modulus of the coating increase three times higher than those of the substrate. The volume fraction of the TiN reinforced phase in composite can be controlled by varying the laser power and the cracking problem in laser nitriding process is successfully solved.LIU Zhengdao ZHANG Xiancheng XUAN Fuzhen WANG Zhengdong TU Shandong 2013Chinese Journal of Mechanical Engineering2013,26,4:6
8A Comparison of Deterministic, Reliability-Based Topology Optimization under Uncertainties显示文摘Reliability and optimization are two key elements for structural design. The reliabilitybased topology optimization(RBTO) is a powerful and promising methodology for finding the optimum topologies with the uncertainties being explicitly considered, typically manifested by the use of reliability constraints. Generally, a direct integration of reliability concept and topology optimization may lead to computational difficulties. In view of this fact, three methodologies have been presented in this study, including the double-loop approach(the performance measure approach, PMA) and the decoupled approaches(the so-called Hybrid method and the sequential optimization and reliability assessment, SORA). For reliability analysis, the stochastic response surface method(SRSM) was applied, combining with the design of experiments generated by the sparse grid method, which has been proven as an effective and special discretization technique.The methodologies were investigated with three numerical examples considering the uncertainties including material properties and external loads. The optimal topologies obtained using the deterministic, RBTOs were compared with one another; and useful conclusions regarding validity,accuracy and efficiency were drawn.Qinghai Zhao XiaokaiChen Zhengdong Ma Yi Lin 2016Acta Mechanica Solida Sinica2016,29,1:6
9Simulation on a Car Interior Aerodynamic Noise Control Based on Statistical Energy Analysis显示文摘How to simulate interior aerodynamic noise accurately is an important question of a car interior noise reduction. The unsteady aerodynamic pressure on body surfaces is proved to be the key effect factor of car interior aerodynamic noise control in high frequency on high speed. In this paper, a detail statistical energy analysis (SEA) model is built. And the vibra-acoustic power inputs are loaded on the model for the valid result of car interior noise analysis. The model is the solid foundation for further optimization on car interior noise control. After the most sensitive subsystems for the power contribution to car interior noise are pointed by SEA comprehensive analysis, the sound pressure level of car interior aerodynamic noise can be reduced by improving their sound and damping characteristics. The further vehicle testing results show that it is available to improve the interior acoustic performance by using detailed SEA model, which comprised by more than 80 subsystems, with the unsteady aerodynamic pressure calculation on body surfaces and the materials improvement of sound/damping properties. It is able to acquire more than 2 dB reduction on the central frequency in the spectrum over 800 Hz. The proposed optimization method can be looked as a reference of car interior aerodynamic noise control by the detail SEA model integrated unsteady computational fluid dynamics (CFD) and sensitivity analysis of acoustic contribution.CHEN Xin WANG Dengfeng MA Zhengdong 2012Chinese Journal of Mechanical Engineering2012,25,5:5
10Radiofrequency ablation versus partial nephrectomy for the treatment of clinical stage 1 renal masses: a systematic review and meta-analysis显示文摘Wang Shangqian Qin Chao Peng Zhihang Cao Qiang Li Pu Shao Pengfei Ju Xiaobing Meng Xiaoxin Lu Qiang Li Jie Wang Meilin Zhang Zhengdong Gu Min Zhang Wei Yin Changjun 2014Chinese Medical Journal2014,,13:5
11HYDROSTATIC PRESSURE CALCULATION AND OPTIMIZATION FOR DESIGN OF BEAM & SLIDE-REST GUIDEWAYS IN HEAVY DUTY CNC VERTICAL TURNING MILL显示文摘与多重衣袋在关上的静水力学的指南方法的静水力学的压力的计算以后瞄准通常使用的方法的近似错误,一个更精确的答案被建议。作为一个例子为一家重责任计算机数值控制垂直拐弯处工厂拿横梁 & slide-rest 指南方法的设计,在指南方法和他们的连接结构的僵硬足够地大的一个假设下面,衣袋的压力能被增加抑制袖珍中心的一个共面方程达到。然后,一个优化模型被造在在最高的封口边缘压力,衣袋的最高的升在空中压力,和指南方法的最大的变丑上被提出的另外的限制下面最小化最高袖珍的压力。优化问题被使用实验的设计的方法顺序解决并且适应在 i 视觉上退火模仿软件站台。结果显示出重要改进到原来的设计。优化最大的静水力学的压力满足水力的系统的要求。ZHAO Ming HUANG Zhengdong LI Bin CHEN Liping 2007Chinese Journal of Mechanical Engineering2007,20,5:4
12An enhanced hybrid and adaptive meta-model based global optimization algorithm for engineering optimization problems显示文摘由于在高效率和精确性之间的好平衡,元模型基于优化算法是一个重要全球优化范畴并且广泛地被使用了。更好解决高度非线性并且集中的工程优化问题,一个提高的混血儿和适应元模型基于的计算全球优化(电子火腿) 首先在这个工作被建议。重要区域更改方法(IRU ) 和不同采样尺寸策略在优化方法被建议提高表演。由使用自动、可伸缩的策略,重要区域将根据搜索结果适应地被更新改进产生精确和集中率。不平的采样策略和集中的采样策略在优化的不同阶段被使用高效地改进搜索并且避免过早地在一个小设计空格聚在一起的结果。新优化算法的有效性被与不同变量凳子标记优化问题作比较到六个优化方法验证。电子火腿优化方法然后被使用优化实际否定泊松比率(NPR ) 的设计参数在这个工作的碰撞盒子。结果显示建议电子火腿在优化计算有高精确性和效率集中的问题和罐头广泛地在设计工业被使用。ZHOU Guan DUAN LiBin ZHAO WanZhong WANG ChunYan MA ZhengDong GU JiChao 2016Science China(Technological Sciences)2016,59,8:4
13Synergistic antitumor efficiency of docetaxel and curcumin against lung cancer显示文摘Curcumin (淫液) ,主要 polyphenolic curcuminoid,从沉金根茎姜黄 longa 获得了,最近被报导在 vitro 并且在 vivo 有潜在的 antitumor 效果。Docetaxel (文档) 为非小的房间肺癌症的治疗被认为化疗同样首要。这里,我们第一次报导淫液能 synergistically 提高在里面 vitro 并且在对肺癌症的文档的 vivo antitumor 功效。在当前的学习,联合索引(CI ) 在 vitro 并且在 vivo 研究是打算的在里面决定在淫液和文档之间的相互作用。在里面在里面 vitro cytotoxicity 测试,中等效果的分析清楚地在某些集中显示了在淫液和文档之间的一个 synergistic 相互作用。而且,在 vivo,评估进一步在确定的 A549 与由静脉内的交货独自一个的文档相比表明了淫液 + 文档的优异 anticancer 功效移植异种皮移植模型。结果证明淫液 synergistically 在 4 天起始的治疗以后立即增加了文档的功效。另外,淫液和文档的同时的管理几乎没在治疗学的剂量包括骨头髓和肝显示出很少毒性到正常纸巾。因此,在 vitro 并且在 vivo,评估在传统的化疗对肺癌症和淫液的介绍表明了淫液和文档的令人满意的 synergistic antitumor 功效是阻止非小的房间肺癌症的传播的一个很有希望的方法。Haitao Yin Rui Guo Yong Xu Yulong Zheng Zhibo Hou Xinzheng Dai Zhengdong Zhang Donghui Zheng Hua'e Xu 2012Acta Biochimica et Biophysica Sinica2012,44,2:4
14Classification of Imagined Speech EEG Signals with DWT and SVM显示文摘With the development of human-computer interaction technology,brain-computer interface(BCI)has been widely used in medical,entertainment,military,and other fields.Imagined speech is the latest paradigm of BCI and represents the mental process of imagining a word without making a sound or making clear facial movements.Imagined speech allows patients with physical disabilities to communicate with the outside world and use smart devices through imagination.Imagined speech can meet the needs of more complex manipulative tasks considering its more intuitive features.This study proposes a classification method of imagined speech Electroencephalogram(EEG)signals with discrete wavelet transform(DWT)and support vector machine(SVM).An open dataset that consists of 15 subjects imagining speaking six different words,namely,up,down,left,right,backward,and forward,is used.The objective is to improve the classification accuracy of imagined speech BCI system.The features of EEG signals are first extracted by DWT,and the imagined words are clas-sified by SVM with the above features.Experimental results show that the proposed method achieves an average accuracy of 61.69%,which is better than those of existing methods for classifying imagined speech tasks.ZHANG Lingwei ZHOU Zhengdong XU Yunfei JI Wentao WANG Jiawen SONG Zefeng 2022Instrumentation2022,9,2:4
15Dosimetric parameters of palladium-103 brachytherapy source with Monte Carlo simulation显示文摘Before clinical application of a new source, the dosimetric parameters of the source should be accu- rately determined. This work is dedicated to the Monte Carlo method to calculate dosimetric parameters as recommended by the American Association of Physicists in Medicine (AAPM) TG-43 guidelines for model ADVANTAGETM palladium-103 source and, through comparison with data from another published report for the same source, presents a suggested dataset for clinical applications. From these calcula- tions, tables are presented for the radial dose function and the anisotropy function of palladium-103 brachytherapy source. The dose rate constants are found to be 0.671 (cGyh-1U-1) in liquid water and 0.673 (cGyh-1U-1) in Solid WaterTM. And the anisotropy constants in liquid water and Solid WaterTM are found to be 0.864 and 0.865 respectively. Comparison with the previous study shows that our results of dosimetric parameters are in good agreement with those measured and calculated by Meigooni et al. (2006) both in Water and Solid WaterTM.WANG JianHua LIU Wei XU XunJiang GU JiaHui CAI Jun HUA ZhengDong XU JiaQiang 2008Chinese Science Bulletin2008,53,9:3
16Analysis of the factors affecting thermal evolution of hot rolled steel during coil cooling显示文摘The thermal evolution of steel coil during cooling was simulated and investigated by the use of in-house Q-CSP? software.The dependence of the thermal evolution of steel coil on cooling methods, temperature distribution of the strip before coiling, coil sizeand steel grades was also discussed. The study plays a significant role in helping steel makers to better understand and control thecooling process.Jiefeng Cheng Zhengdong Liu Han Dong Yong Gan 2006Journal of University of Science and Technology Beijing2006,13,2:3
17The impact of combustion characteristics and flame structure on soot formation in oxy-enhanced and oxy-fuel diffusion flames显示文摘Based on a detailed chemical mechanism, impacts of combustion characteristics and flame structure on soot formation in opposed-flow diffusion ethylene flames was studied with different stoichiometric mixture fractions in O2/N2and O2/CO2atmospheres. The results showed the followings. 1) In both atmospheres, with the increase of stoichiometric mixture fraction, the flame structure changed significantly. The stagnation plane shifted toward the oxidizer side. Furthermore, there were less C2H2 but more O and OH to occur in the soot inception zone, therefore the amount of soot in the flame decreased. 2) Compared withN2, CO2had a suppression effect on soot formation, which was mainly due to thermal and direct chemical interaction effects of CO2. This is because the specific heat capacity of CO2is higher than that of N2, which will cause the flame temperature to drop,and mole fractions of C2H2, H, O, OH and main PAHs to decrease. Soot oxidation played a dominant role, while soot surface growth was attributed to the secondary position. Meanwhile, when CO2 abounded in the flame, OH concentration was increased through the backward reaction of CO+OH=CO2+H, and this would be conducive to the oxidation of soot precursor and incipient soot particles. In addition, the results of maximum particle density indicated the thermal effect of CO2on soot for-mation is more important than the direct chemical interaction effect.GUO Zhe LOU Chun LIU ZhengDong ZHOU HuaiChun 2013Science China(Technological Sciences)2013,56,7:3
18An overview on GNSS carrier-phase time transfer research显示文摘Global navigation satellite system(GNSS)carrier phase observations are two orders of higher accuracy than pseudo-range observations,and they are less affected by multipath besides.As a result,the time transfer accuracy can reach 0.1 ns,and the frequency transfer stability can reach 1×10^-15 with carrier phase(CP)method,therefore CP method is considered the most accurate and promising time transfer technology.The focus of this paper is to present a comprehensive summary of CP method,with specific attention directed toward day-boundary clock jump,ambiguity resolution(AR),multi-system time transfer and real-time time transfer.Day-boundary clock jump is essentially caused by pseudo-range noise.Several approaches were proposed to solve the problem,such as continuously processing strategy,sliding batch and bidirectional filtering methods which were compared in this study.Additionally,researches on AR in CP method were introduced.Many scholars attempted to fix the single-difference ambiguities to improve the time transfer result,however,owing to the uncalibrated phase delay(UPD)was not considered,the current studies on AR in CP method were still immature.Moreover,because four GNSS systems could be used for time-transfer currently,which was helpful to increase the accuracy and reliability,the researches on multi-system time transfer were reviewed.What’s more,real-time time transfer attracted more attention nowadays,the preliminary research results were presented.ZHANG Ming Lü JinHu BAI ZhengDong JIANG ZhiQi CHEN BoBo 2020Science China(Technological Sciences)2020,63,4:3
19Bladder cancer epidemiology and genetic susceptibility显示文摘Bladder cancer is the most common malignancy of the urinary system. The incidence of bladder cancer of men is higher than that of women (approximately 4:1). Here, we summarize the bladder cancer-related risk factors, including environmental and genetic factors. In recent years, although the mortality rate induced by bladder cancer has been stable or decreased gradually, the public health effect may be pronounced. The well-established risk factors for bladder cancer are cigarette smoking and occupational exposure. Genetic factors also play important roles in the susceptibility to bladder cancer. A recent study demonstrated that hereditary non-polyposis colorectal cancer is associated with increased risk of bladder cancer. Since 2008, genome-wide association study (GWAS) has been used to identify the susceptibility loci for bladder cancer. Further gene-gene or gene-environment interaction studies need to be conducted to provide more information for the etiology of bladder cancer.Haiyan Chu Meilin Wang Zhengdong Zhang 2013The Journal of Biomedical Research2013,27,3:3
20The electromagnetically induced transparency in the Y-type four-level atom system at low light levels显示文摘In this paper a Y-type four-level atom interacting with external fields system is investigated. It is shown that increasing the control field can reduce the probe absorption, the electromagnetically induced transparency (EIT) and gain can be obtained if the parameters are taken appropriately. An interesting phenomenon is found that the system appears to be probe gain in a large region if the external fields Rabi phases are taken appropriately, too.ZHANG Liying LIU Zhengdong CHEN Jun 2005Science China(Physics,Mechanics & Astronomy)2005,48,5:3
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