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| 1 | Effect of annealing on two different niobium-clad stainless steel PEMFC bipolar plate materials显示文摘Niobium (Nb)-clad stainless steels(SS) produced via roll bonding are being considered for use in the bipolar plates of polymer electrolyte membrane fuel cell(PEMFC) stacks. Because the roll bonding process induces substantial work hardening in the constituent materials, thermal annealing is used to restore ductility to the clad sheet so that it can be subsequently blanked, stamped and dimpled in forming the final plate component. Two roll bonded materials, niobium clad 340L stainless steel (Nb/340L SS) and niobium clad 434 stainless steel (Nb/434 SS) were annealed under optimized conditions prescribed by the cladding manufacturer. Comparative mechanical testing conducted on each material before and after annealing shows significant improvement in ductility in both cases. However, corresponding microstructural analyses indicate an obvious difference between the two heat treated materials. During annealing, an interlayer with thick less than 1 μm forms between the constituent layers in the Nb/340L SS, whereas no interlayer is found in the annealed Nb/434 SS material. Prior work suggests that internal defects potentially can be generated in such an interlayer during metal forming operations. Thus, Nb/434 SS may be the preferred candidate material for this application. | Sung-Tae HONG Dae-Wook KIM Yong-Joo YOU K.Scott WEIL | 2009 | 中国有色金属学会会刊:英文版2009,19,B09: | 9 |
| 2 | A prototype RF power source for CSNS/RCS显示文摘A prototype RF power source has been built to supply high RF power to a ferrite-loaded cavity, which is a part of R&D of the Rapid Cycling Synchrotron of China Spallation Neutron Source (CSNS/RCS). A direct fast RF feedback amplifier, a 4:1 impedance transformer and auto tuning grid were locally located to compensate the heavy beam loading of CSNS/RCS. Design and commissioning of the RF power source is discussed here, also with some advice on system improvement. | WeiLing Huang (1) Hong Sun (1) HaiQi Zhao (2) Yu Liu (2) YanDong Li (2) ZhiGuang Qiao (2) Xiao Li (1) ChunLin Zhang (1) | 2011 | Science China(Physics,Mechanics & Astronomy)2011,54,S2: | 3 |
| 3 | Antibiotic drugs targeting bacterial RNAs显示文摘RNAs have diverse structures that include bulges and internal loops able to form tertiary contacts or serve as ligand binding sites.The recent increase in structural and functional information related to RNAs has put them in the limelight as a drug target for small molecule therapy.In addition,the recognition of the marked difference between prokaryotic and eukaryotic rRNA has led to the development of antibiotics that specifically target bacterial rRNA,reduce protein translation and thereby inhibit bacterial growth.To facilitate the development of new antibiotics targeting RNA,we here review the literature concerning such antibiotics,mRNA,riboswitch and tRNA and the key methodologies used for their screening. | Weiling Hong Jie Zeng Jianping Xie | 2014 | Acta Pharmaceutica Sinica B2014,4,4: | 2 |
| 4 | Application of fluorescence in situ hybridization in the detection of bladder transitional-cell carcinoma: A multi-center clinical study based on Chinese population显示文摘Objective:To evaluate the diagnostic value of fluorescence in situ hybridization(FISH)in bladder cancer.Methods:We enrolled healthy volunteers and patients who were clinically suspected to have bladder cancer and conducted FISH tests and cytology examinations from August 2007 to December 2008.Receiver operating characteristic(ROC)curve analysis was performed and the area under curve(AUC)values were calculated for both the FISH and urine cytology tests.Results:A cohort of 988 healthy volunteers was enrolled to establish a reference range for the normal population.A total of 4807 patients with hematuria were prospectively,randomly enrolled for the simultaneous analysis of urine cytology,FISH testing,and a final diagnosis as determined by the pathologic findings of a biopsy or a surgically-excised specimen.Overall,the sensitivity of FISH in detecting transitional-cell carcinoma was 82.7%,while that of cytology was 33.4%(p<0.001).The sensitivity values of FISH for non-muscle invasive and muscle invasive bladder transitional-cell carcinoma were 81.7%and 89.6%,respectively(p=0.004).The sensitivity values of FISH for low and high grade bladder cancer were 82.6%and 90.1%,respectively(p=0.002).Conclusion:FISH is significantly more sensitive than voided urine cytology for detecting bladder cancer in patients evaluated for gross hematuria at all cancer grades and stages.Higher sensitivity using FISH was obtained in high grade and muscle invasive tumors. | Liqun Zhou Kaiwei Yang Xuesong Li Yi Ding Dawei Mu Hanzhong Li Yong Yan Jinyi Li Dongwen Wang Wei Li Yulong Cong Jiangping Gao Kewei Ma Yajun Xiao Sheng Zhang Hongyi Jiang Weilie Hu Qiang Wei Xunbo Jin Zhichen Guan Qingyong Liu Danfeng Xu Xin Gao Yongguang Jiang Weimin Gan Guang Sun Qing Wang Yanhui Liu Jianquan Hou Liping Xie Xishuang Song Fengshuo Jin Jiafu Feng Ming Cai Zhaozhao Liang Jie Zhang Dingwei Ye Lin Qi Lulin Ma Jianzhong Shou Yuping Dai Jianyong Shao Ye Tian Shizhe Hong Tao Xu Chuize Kong Zefeng Kang Yuexin Liu Xun Qu Benkang Shi Shaobin Zheng Yi Lin Shujie Xia Dong Wei Jianbo Wu Weiling Fu Zhiping Wang Jianbo Liang | 2019 | Asian Journal of Urology2019,6,1: | 2 |
| 5 | The C_(6)D_(6)detector system on the Back-n beam line of CSNS显示文摘Introduction The neutron capture cross sections are very important in the field of nuclear device design and basic physics research.Hydrogen-free liquid scintillator such as C_(6)D_(6)detectors are widely used in the neutron capture cross-sectional measurements for the low neutron sensitivity and fast time response.The Back-n white neutron source at China Spallation Neutron Source is the first spallation white neutron source in China,and it is suitable for neutron capture cross-sectional measurement.Materials and methods A C_(6)D_(6)detector system was built in the Back-n experimental station.The pulse height weighting technique was used to determine the system’s detection efficiency.The response to gamma rays of the C_(6)D_(6)detector was measured,and the energy resolution function was determined.Monte Carlo simulation with Geant4 code was carried out to get the weighting function of this C_(6)D_(6)detector system.Additionally,the systematic uncertainty of the weighting function was also determined.Conclusion According to the experimental and simulation results,this C_(6)D_(6)detector system can be used to measure neutron capture cross section. | Jie Ren Xichao Ruan Jie Bao Guangyuan Luan Wei Jiang Qi An Huaiyong Bai Ping Cao Qiping Chen Yonghao Chen Pinjing Cheng Zengqi Cui Ruirui Fan Changqing Feng Minhao Gu Fengqin Guo Changcai Han Zijie Han Guozhu He Yongcheng He Yuefeng He Hanxiong Huang Weiling Huang Xiru Huang Xiaolu Ji Xuyang Ji Haoyu Jiang Hantao Jing Ling Kang Mingtao Kang Bo Li Lun Li Qiang Li Xiao Li Yang Li Yang Li Rong Liu Shubin Liu Xingyan Liu Yinglin Ma Changjun Ning Binbin Qi Zhaohui Song Hong Sun Xiaoyang Sun Zhijia Sun Zhixin Tan Hongqing Tang Jingyu Tang Pengcheng Wang Qi Wang Taofeng Wang Yanfeng Wang Zhaohui Wang Zheng Wang Jie Wen Zhongwei Wen Qingbiao Wu Xiaoguang Wu Xuan Wu Likun Xie Yiwei Yang Han Yi Li Yu Tao Yu Yongji Yu Guohui Zhang Jing Zhang Linhao Zhang Liying Zhang Qingmin Zhang Qiwei Zhang Xianpeng Zhang Yuliang Zhang Zhiyong Zhang Yingtan Zhao Liang Zhou Zuying Zhou Danyang Zhu Kejun Zhu Peng Zhu | 2019 | Radiation Detection Technology and Methods2019,3,3: | 1 |
| 6 | Low cycle fatigue of thin copper foils显示文摘 | Hong Sanki Weil Rolf | 1996 | Thin Solid Films1996,283,: | 1 |
| 7 | Niobium-clad 304L stainless steel PEMFC bipolar plate material Tensile and bend properties显示文摘 | Hong S T Weil K S | 2007 | J Power Sources2007,168,2: | 1 |
| 8 | Low cycle fatigue of thin copper foils显示文摘 | HONG Sanki WEIL Rolf | 1996 | Thin Solid Films1996,283,: | 1 |
| 9 | Low cycle fatigue of thin copper foils显示文摘 | HONG S WEIL R | 1996 | Thin Solid Films1996,283,12: | 1 |
| 10 | Niobium-clad 304 L Stainless Steel PEMFC Bipolar Plate Material:Tensile and Bend Properties显示文摘 | S T Hong K Scott Weil | 2007 | Joumal of Power Sources2007,168,2: | 1 |
| 11 | Annealing Induced Interfacial Layers in Niobium-clad Stainless Steel Developed as a Bipolar Plate Material for Polymer Electrolyte Membrane Fuel Cell Stacks显示文摘 | S T Hong K Scott Weil In-Tae Bae | 2010 | Joumal of Power Sources2010,195,9: | 1 |
| 12 | Cost-Utility Analysis of Screening for Diabetic Retinopathy in China显示文摘Background.Diabetic retinopathy(DR)has been primarily indicated to cause vision impairment and blindness,while no studies have focused on the cost-utility of telemedicine-based and community screening programs for DR in China,especially in rural and urban areas,respectively.Methods.We developed a Markov model to calculate the cost-utility of screening programs for DR in DM patients in rural and urban settings from the societal perspective.The incremental cost-utility ratio(ICUR)was calculated for the assessment.Results.In the rural setting,the community screening program obtained 1 QALY with a cost of$4179(95%CI 3859 to 5343),and the telemedicine screening program had an ICUR of$2323(95%CI 1023 to 3903)compared with no screening,both of which satisfied the criterion of a significantly cost-effective health intervention.Likewise,community screening programs in urban areas generated an ICUR of$3812(95%CI 2906 to 4167)per QALY gained,with telemedicine screening at an ICUR of$2437(95%CI 1242 to 3520)compared with no screening,and both were also cost-effective.By further comparison,compared to community screening programs,telemedicine screening yielded an ICUR of 1212(95%CI 896 to 1590)per incremental QALY gained in rural setting and 1141(95%CI 859 to 1403)in urban setting,which both meet the criterion for a significantly cost-effective health intervention.Conclusions.Both telemedicine and community screening for DR in rural and urban settings were cost-effective in China,and telemedicine screening programs were more cost-effective. | Yue Zhang Weiling Bai Ruyue Li Yifan Du Runzhou Sun Tao Li Hong Kang Ziwei Yang Jianjun Tang Ningli Wang Hanruo Liu | 2022 | Health Data Science2022,,1: | 0 |
| 13 | Pre-potassiated hydrated vanadium oxide as cathode for quasi-solid-state zinc-ion battery显示文摘Zinc-ion batteries(ZIBs),in particular quasi-solid-state ZIBs,occupy a crucial position in the field of energy storage devices owing to the superiorities of abundant zinc reserve,low cost,high safety and high theoretical capacity of zinc anode.However,as divalent Zn^(2+)ions experience strong electrostatic interactions when intercalating into the cathode materials,which poses challenges to the structural stability and higher demand in Zn^(2+)ions diffusion kinetics of the cathode materials.Here,a microwave-assisted hydrothermal method is adopted to prepare pre-potassiated hydrated vanadium pentoxide(K_(0.52)V_(2)O_(5)·0.29H_(2)O,abbreviated as KHVO)cathode material,in which the potassium ions preinserted into the interlayers can act as“pillars”to stabilize the lamellar structure,and crystal water can act as“lubricant”to improve the diffusion efficiency of Zn^(2+)ions.Consequently,the KHVO displays high electrochemical properties with high capacity(∼300 mAh/g),superior rate capability(69 mAh/g at 5 A/g)and ultralong cycling performance(>1500 cycles at 2 A/g)in quasi-solid-state ZIBs.These superior Zn storage properties result from the large diffusion coefficient and highly stable and reversible Zn^(2+)(de)intercalation reaction of KHVO. | Qifei Li Xiangxiang Ye Hong Yu Chengfeng Du Wenping Sun Weiling Liu Hongge Pan Xianhong Rui | 2022 | Chinese Chemical Letters2022,33,5: | 0 |