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| 1 | Bond Behavior between BFRP Bars and Hybrid Fiber Recycled Aggregate Concrete after High Temperature显示文摘The aim of this study is to improve the bond performance of basalt fiber reinforced polymer(BFRP)bars and recycled aggregate concrete(RAC)after being exposed to high temperatures.The bond behavior(failure modes,bond strength,bond stress-slip curves)between BFRP bars and hybrid fiber recycled aggregate concrete(HFRAC)after being exposed to temperatures ranging from 20℃up to 500℃was studied by using pull-out tests.The effect of high temperatures on mechanical properties of concrete(compressive strength,splitting tensile strength)and tensile strength of BFRP bars was also investigated.The bond strength decreased as the temperature increased and the drop of bond strength between RAC and BFRP bar was larger than that between HFRAC and BFRP bar.As the temperature rises,the key factor affecting the bond strength was gradually transformed from concrete strength to BFRP bar strength.The relationship between bond stress and slip in the dimensionless bond stress-slip ascending section was established,which was in good agreement with the experimental results. | Boheng Zhu Huaxin Liu Genjin Liu Abasal Hussain Xiaofei Zhang Xuezhi Wang | 2021 | Journal of Renewable Materials2021，9，3： | 2 |
| 2 | A risk-prediction score for colorectal lesions on 12,628 participants at high risk of colorectal cancer显示文摘Background The uptake of colonoscopy is low in individuals at risk of colorectal cancer(CRC).We constructed a riskprediction score(RPS)in a large community-based sample at high risk of CRC to enable more accurate risk stratification and to motivate and increase the uptake rate of colonoscopy.Methods A total of 12,628 participants classified as high-risk according to positivity of immunochemical fecal occult blood tests or High-Risk Factor Questionnaire underwent colonoscopy.Logistic regression was used to derive a RPS and analysed the associations of the RPS with colorectal lesions,giving odds ratios(ORs)and 95%confidence intervals(CIs).Results Of the participants,men(OR=1.73,95%CI=1.58–1.90),older age(≥65 years;1.41,1.31–1.53),higher body mass index(≥28 kg/m^(2);1.22,1.07–1.39),ever smoking(1.47,1.31–1.65),and weekly alcohol use(1.28,1.09–1.52)were associated with a higher risk of colorectal lesions.We assigned 1 point to each of the above five risk factors and derived a RPS ranging from 0 to 5,with a higher score indicating a higher risk.Compared with a RPS of 0,a RPS of 1,2,3,and 4–5 showed a higher risk of colorectal lesions,with the OR(95%CI)being 1.50(1.37–1.63),2.34(2.12–2.59),3.58(3.13–4.10),and 3.91(3.00–5.10),respectively.The area under the receiver-operating characteristic curve of RPS in predicting colorectal lesions was 0.62.Conclusions Participants with an increase in the RPS of≥1 point had a significantly higher risk of colorectal lesions,suggesting the urgency for measuring colonoscopy in this very high-risk group.High-risk strategies incorporating RPS may be employed to achieve a higher colonoscopy-uptake rate. | Lixin Liang Yingru Liang Ke Li Pengzhe Qin Guozhen Lin Yan Li Huan Xu Suixiang Wang Qinlong Jing Boheng Liang Lin Xu | 2022 | Gastroenterology Report2022，10，1： | 2 |
| 3 | Etlect o dlallyl tn sulfide derivatives on the induction of apoptosis in human prostate cancer PC-3 cells显示文摘 | (]hen Min Li Boheng Zhao Xlaoyan | 2012 | Mol Cell Biochem2012，363，12： | 1 |
| 4 | Prospective study of early detection for primary liver cancer显示文摘 | Binghui Yang Boheng Zhang Yaochao Xu Wenping Wang Yuefang Shen Anru Zhang Zhong Xu | 1997 | Journal of Cancer Research and Clinical Oncology1997，，6： | 1 |
| 5 | Prospective study of early detection for primary liver cancer显示文摘 | Binghui Yang Boheng Zhang Yaochao Xu Wenping Wang Yuefang Shen Anru Zhang Zhong Xu | 1997 | Journal of Cancer Research and Clinical Oncology1997，，6： | 1 |
| 6 | Prognostic Significance of Alpha-fetoprotein Status in the Outcome of Hepatocellular Carcinoma after Treatment of Transarterial Chemoembolization显示文摘 | Yan Wang Yi Chen Ningling Ge Lan Zhang Xiaoying Xie Jubo Zhang Rongxin Chen Yanhong Wang Boheng Zhang Jinglin Xia Yuhong Gan Zhenggang Ren Shenglong Ye | 2012 | Annals of Surgical Oncology2012，，11： | 1 |
| 7 | Basic Analysis of Two-Coils Structure Based on Magnetically-Coupled Resonant Technology for SWIPT Application显示文摘The Magnetically-coupled resonant(MCR)technology is exploited in this paper to realize Synchronous wireless information and power transfer(SWIPT) function, which means that the power carriers also transmit information. The circuit structure of SWIPT system is analyzed and the existence of two optimal frequencies in power efficiency under small resistance circumstance is proved.The physical parameters having influences on the two optimal frequencies are discussed, such as the distance between coils, impedance characteristics of coils and loads.These results provide a way to increase the bandwidth of MCR technology, while maintaining high power efficiency to realize SWIPT function. Simulations and experimental results are presented to verify the feasibility of the proposed system and obtained theoretical expressions. | MA Biyun CHEN Boheng LI Sumei WANG Yide WEI Gang | 2015 | Chinese Journal of Electronics2015，24，4： | 1 |
| 8 | Assimilation of HY-2A Scatterometer Ambiguous Winds Based on Feature Thinning显示文摘This paper focuses on the data assimilation methods for sea surface winds, based on the level-2B HY-2A satellite microwave scatterometer wind products. We propose a new feature thinning method, which is herein used to screen scatterometer winds while maintaining the key structure of the wind field in the process of data thinning for highresolution satellite observations. We also accomplish feeding the ambiguous wind solutions directly into the data assimilation system, thus making better use of the retrieved information while simplifying the assimilation process of the scatterometer products. A numerical simulation experiment involving Typhoon Danas shows that our method gives better results than the traditional approach. This method may be a valuable alternative for operational satellite data assimilation. | Boheng DUAN Weimin ZHANG Xiaoqun CAO Yi YU Haijin DAI | 2017 | Journal of Meteorological Research2017，31，4： | 1 |
| 9 | Carboniferous and Permian integrative stratigraphy and timescale of North China Block显示文摘The Carboniferous-Permian strata in the North China Block(NCB) contain abundant fossils, coals and natural gases.Establishing a high-resolution timescale for the Carboniferous and Permian in the NCB is essential to understand the geologic events and explore the spatial and temporal distributions of the natural resources. The upper Carboniferous and the basal part of Permian are relatively well correlated because they yield marine conodont and fusuline fossils. However, the Permian terrestrial strata mostly rely on poorly constrained palynostratigraphy and phytostratigraphy and are short of the precise geochronologic constraints on the correlation with the marine strata. This study provides a critical review on the state-of-the-art of the latest Carboniferous and Permian chronostratigraphic and biostratigraphic frameworks and stratigraphic correlation in the NCB. The Penchi Formation ranges from lower Bashkirian to lower Gzhelian;the Taiyuan Formation is assigned to the upper Gzhelian to lower Asselian;the Shansi and Lower Shihhotse formations are from middle Asselian to lower Sakmarian;the Upper Shihhotse Formation is assigned to upper Artinskian to lower Kungurian, and the Sunjiagou Formation was assigned to Lopingian, respectively. A long hiatus up to ~20 Myr between the Upper Shihhotse and Sunjiagou formations, mainly marked by a large-scale erosional surface at the base of a coarse conglomeratic sandstone unit and/or multiple paleosol layers as well as significant differences of floras between these two lithostratigraphic units, is present probably due to tectonic uplift in association with the closure of the Paleo Asian Ocean(PAO) during the Cisuralian and Guadalupian. The possible amplitude of sea-level changes from Carboniferous to Permian on the NCB is estimated from 0 to 40 m.The floral succession, depositional records and organic carbon isotope profiles suggest that the latest Carboniferous and earliest Permian was a favorable period for coal accumulation under an ever-wet and warm climate, followed by a prominent shift to dry climate from early-middle Cisuralian. This climatic shift during the Permian was mainly resulted from northward migration of the Pangea and the closure of the PAO, which is comparable with the Carboniferous and Permian trends in central Europe. | Boheng SHEN Shuzhong SHEN Qiong WU Shuichang ZHANG Bin ZHANG Xiangdong WANG Zhangshuai HOU Dongxun YUAN Yichun ZHANG Feng LIU Jun LIU Hua ZHANG Yukun SHI Jun WANG Zhuo FENG | 2022 | Science China Earth Sciences2022，65，6： | 0 |
| 10 | Assimilation of ASCAT Sea Surface Wind Retrievals with Correlated Observation Errors显示文摘Data assimilation systems usually assume that the observation errors of wind components, i.e., u(the longitudinal component) and v(the latitudinal component), are uncorrelated. However, since wind components are derived from observations in the form of wind speed and direction(spd and dir), the observation errors of u and v are correlated. In this paper, an explicit expression of the observation errors and correlation for each pair of wind components are derived based on the law of error propagation. The new data assimilation scheme considering the correlated error of wind components is implemented in the Weather Research and Forecasting Data Assimilation(WRFDA) system. Besides, adaptive quality control(QC) is introduced to retain the information of high wind-speed observations. Results from real data experiments assimilating the Advanced Scatterometer(ASCAT) sea surface winds suggest that analyses from the new data assimilation scheme are more reasonable compared to those from the conventional one, and could improve the forecasting of Typhoon Noru. | Boheng DUAN Weimin ZHANG Xiaofeng YANG Mengbin ZHU | 2021 | Journal of Meteorological Research2021，35，3： | 0 |
| 11 | An Enhanced Nonlocal Self-Similarity Technique for Fabric Defect Detection显示文摘Fabric defect detection has been an indispensable and important link in fabric production,many studies on the development of vision based automated inspection techniques have been reported.The main drawback of existing methods is that they can only inspect a particular type of fabric pattern in controlled environment.Recently,nonlocal self-similarity(NSS)based method is used for fabric defect detection.This method achieves good defect detection performance for small defects with uneven illumination,the disadvantage of NNS based method is poor for detecting linear defects.Based on this reason,we improve NSS based defect detection method by introducing a gray density function,namely an enhanced NSS(ENSS)based defect detection method.Meanwhile,mean filter is applied to smooth images and suppress noise.Experimental results prove the validity and feasibility of the proposed NLRA algorithm. | Boheng Wang Li Ma Jielin Jiang | 2019 | Journal of Information Hiding and Privacy Protection2019，1，3： | 0 |
| 12 | Solid-state lithium-ion batteries for grid energy storage:opportunities and challenges显示文摘The energy crisis and environmental pollution drive more attention to the development and utilization of renewable energy.Considering the capricious nature of renewable energy resource,it has difficulty supplying electricity directly to consumers stably and efficiently,which calls for energy storage systems to collect energy and release electricity at peak periods.Due to their flexible power and energy,quick response,and high energy conversion efficiency,lithium-ion batteries stand out among multiple energy storage technologies and are rapidly deployed in the grid.Pursuing superior performance and ensuring the safety of energy storage systems,intrinsically safe solid-state electrolytes are expected as an ideal alternative to liquid electrolytes.In this review,we systematically evaluate the priorities and issues of traditional lithium-ion batteries in grid energy storage.Beyond lithium-ion batteries containing liquid electrolytes,solid-state lithium-ion batteries have the potential to play a more significant role in grid energy storage.The challenges of developing solid-state lithium-ion batteries,such as low ionic conductivity of the electrolyte,unstable electrode/electrolyte interface,and complicated fabrication process,are discussed in detail.Additionally,the safety of solid-state lithium-ion batteries is re-examined.Following the obtained insights,inspiring prospects for solid-state lithium-ion batteries in grid energy storage are depicted. | Xin Chang Yu-Ming Zhao Boheng Yuan Min Fan Qinghai Meng Yu-Guo Guo Li-Jun Wan | 2024 | Science China Chemistry2024，67，1： | 0 |
| 13 | A UV cross-linked gel polymer electrolyte enabling high-rate and high voltage window for quasi-solid-state supercapacitors显示文摘Serving as a promising alternative to liquid electrolyte in the application of portable and wearable devices,gel polymer electrolytes(GPEs)are expected to obtain more preferable properties rather than just be satisfied with the merits of high safety and deformability.Here,an easy-operated method is employed to fabricate cross-linked composite polymer membranes used for GPEs assisted by UV irradiation,in which N-doped carbon quantum dots(N-CQDs)and TiO2are introduced as photocatalysts and additives to improve the performances of GPEs.Specifically,N-CQDs participate as a cross-linker to construct the inner porous structure,and TiO2nanoparticles serve as a stabilizer to improve the electrochemical stability of GPEs under high voltage(3.5 V).The excellent thermal and mechanical stability of the membrane fabricated in this work guarantee the safety of the supercapacitors(SCs).This GPE based SC not only exhibits prominent rate performance(105%capacitance retention at the current density of 40A g^(-1))and cyclic stability(85%at 1 A g^(-1)under 3.5 V after 20,000 cycles),but also displays remarkable energy density(42.88 Wh kg^(-1))with high power density(19.3 k W kg^(-1)).Moreover,the superior rate and cycling performances of the as-prepared GPE based flexible SCs under flat and bending state confirm the feasibility of its application in flexible energy storage devices. | Yuge Bai Chao Yang Boheng Yuan Hongjie Li Weimeng Chen Haosen Yin Bin Zhao Fei Shen Xiaogang Han | 2023 | Journal of Energy Chemistry2023，，1： | 0 |
| 14 | Paleobiogeographic Knowledge Graph:An Ongoing Work with Fundamental Support for Future Research显示文摘Paleobiogeography investigates geographical distributions of fossil organisms and controlling factors that affect their distributions in geological history,to reveal the macro-evolution and coordinated development of life and the environment.It is a crucial window for understanding the biosphere and the geographical environment.After two centuries of development,paleobiogeographic studies have led to the accumulation of significant amounts of knowledge and data;however,the voluminous outputs present the characteristics of an“isolated island”with a scattered,limited number of authoritative definitions of terminologies and semantic heterogeneity among them.This makes data queries cumbersome,the rate of data reuse low,and data sharing more difficult.A knowledge graph(KG)has the advantage of expressing concepts and their semantic relations,which is an important tool for achieving data organization and fusion,and data mining;further,it is also a key technology for realizing the unrestricted sharing of paleobiogeographic information.Through our efforts over the past two years,a paleobiogeographic KG was developed based on the established construction procedure of the KG,which contains 273 concepts,172 properties,and 47 rules.Meanwhile,the completion of this KG and the construction of a paleobiogeographic platform for display and analysis are now being carried out. | Linna Zhang Zhangshuai Hou Boheng Shen Qing Chen Shaochun Dong Junxuan Fan | 2023 | Journal of Earth Science2023，34，5： | 0 |
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