|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | 3-D consistency dynamic constitutive model of concrete显示文摘Based on the consistency-viscoplastic constitutive model,the static William-Warnke model with three-parameters is modified and a consistency-viscoplastic William-Warnke model with three-parameters is developed that considers the effect of strain rates. Then,the tangent modulus of the consistency viscoplastic model is introduced and an implicit backward Elure iterative algorithm is developed. Comparisons between the numerical simulations and experimental data show that the consistency model properly provides the uniaxial and biaxial dynamic behaviors of concrete. To study the effect of strain rates on the dynamic response of concrete structures,the proposed model is used in the analysis of the dynamic response of a simply-supported beam and the results show that the strain rate has a significant effect on the displacement and stress magnitudes and distributions. Finally,the seismic responses of a 278 m high arch dam are obtained and compared by using the linear elastic model,as well as rate-independent and rate-dependent William-Warnke three-parameter models. The results indicate that the strain rate affects the first principal stresses,and the maximal equivalent viscoplastic strain rate of the arch dam. Numerical calculations and analyses reveal that considering the strain rate is important in the safety assessments of arch dams located in seismically active areas. | Xiao Shiyun,Li Hongnan and Lin Gao School of Hydraulic Engineering,Dalian University of Technology,Dalian 116024,China | 2010 | Earthquake Engineering and Engineering Vibration2010，9，2： | 4 |
| 2 | Effect and mechanism of CyPA in radiosensitization of lung adenocarcinoma using CRISPR/Cas9 technology显示文摘Objective:To explore the role of cyclophilin A(CyPA)in sensitization of lung adenocarcinoma to radiotherapy using CRISPR/Cas9 technology.Methods:A CyPA knockout human lung adenocarcinoma cell line H1975 was established by CRISPR/Cas9 technology.Groups included a control group(wildtype),CyPA knockout group,traditional Chinese medicine(TCM)extract with Fuzhengzengxiao decoction group,and TCM extract with Fuzhengzengxiao decoction t CyPA knockout group.Each group was exposed to radiation at doses of 0,2,4,6,and 8 Gy.After 24 h,MTT assays were used to determine the survival rate of lung cancer cells and calculate radiosensitivity.The qPCR was used to measure mRNA expression of DDIT3,CDKN1A,and CDC25A associated with DNA damage repair.Results:Without irradiation,Fuzhengzengxiao decoction reduced the survival rate of lung adenocarcinoma cells(P<.0001).After irradiation,TCM extract with Fuzhengzengxiao decoction,CyPA knockout,and TCM extract with Fuzhengzengxiao decoction t CyPA knockout groups had reduced survival rates(P<.0001)and radiosensitivity was increased significantly.Expression of DDIT3,CDKN1A,and CDC25A was upregulated after knockout of CyPA(P<.0001).Expression of DDIT3 and CDC25A was increased after irradiation in wildtype cells treated with TCM extract with Fuzhengzengxiao decoction(DDIT3,P<.0001;CDC25A,P紏.0059).The TCM extract with Fuzhengzengxiao decoction t CyPA knockout group also had increased expression of DDIT3 and CDC25A after irradiation(P<.0001).Conclusion:Fuzhengzengxiao decoction significantly decreases the survival rate of lung cancer cells,and its mechanism may be related to radiosensitization by decreasing expression of CyPA and inducing G1/S cell cycle arrest. | Jinkun Ma Lin Xu Jinchang Huang Qiaoli Zhang Yuqin Qiu Xuewei Qi Lina Wang Yuchan Cao Zeyu Liu Shiyun Liu | 2020 | Journal of Traditional Chinese Medical Sciences2020，7，1： | 1 |
| 3 | System Strength Assessment Based on Multi-task Learning显示文摘Increase in permeability of renewable energy sources(RESs)leads to the prominent problem of voltage stability in power system,so it is urgent to have a system strength evaluation method with both accuracy and practicability to control its access scale within a reasonable range.Therefore,a hybrid intelligence enhancement method is proposed by combining the advantages of mechanism method and data driven method.First,calculation of critical short circuit ratio(CSCR)is set as the direction of intelligent enhancement by taking the multiple renewable energy station short circuit ratio as the quantitative indicator.Then,the construction process of CSCR dataset is proposed,and a batch simulation program of samples is developed accordingly,which provides a data basis for subsequent research.Finally,a multi-task learning model based on progressive layered extraction is used to simultaneously predict CSCR of each RESs connection point,which significantly reduces evaluation error caused by weak links.Predictive performance and anti-noise performance of the proposed method are verified on the CEPRI-FS-102 bus system,which provides strong technical support for real-time monitoring of system strength. | Baoluo Li Shiyun Xu Huadong Sun Zonghan Li Lin Yu | 2024 | CSEE Journal of Power and Energy Systems2024，10，1： | 0 |
| 4 | An Investigation Report on Production Conditions of Sugarcane in Guangxi in 2016显示文摘To predict and assess production conditions of sugarcane in Guangxi in 2016,by using methods of field survey and data collection,the seedling situation,breed structure,planting area,planting period,plant diseases and insect pests of sugarcane in six major sugarcane producing cities of Guangxi were surveyed. The results show that the overall situation of sugarcane seedlings in Guangxi in 2016 became slightly worse than that in 2015,but there were enough good sugarcane seedlings in 2016. The dead heart rate of sugarcane decreased in most sugarcane regions from 2015 to 2016,that is,the comprehensive control of borers gave initial results; the smut infection rate of sugarcane rose from 2015 to 2016 and tended to increase. The situation of decrease in the planting area of sugarcane in three consecutive years was controlled,and the planting area of sugarcane increased slightly from 2015 to 2016. Due to the construction of ' double high' bases,the breed variety of sugarcane in Guangxi was improved further in 2016. It is necessary to strengthen field management and conduct chemical weeding,prevention and control of borers and aphids in the later period in time. | Yuchi DENG Weizan WANG RonghuaZHANG Shiyun TANG Shanhai LIN Qiang LIANG Weixing DUAN Xiang LI Guoying LU Shijian HAN Youzong HUANG Yebin YANG Yanni HUANG Lunwang WANG | 2017 | Asian Agricultural Research2017，9，6： | 0 |
| 5 | Benefit analysis of multi-approach biomass energy utilization toward carbon neutrality显示文摘To reduce greenhouse gas(GHG)emissions,biomass has been increasingly developed as a renewable and clean alternative to fossil fuels because of its carbon-neutral characteristics.China has been investigating the rational development and use of bioenergy for developing its clean energy and achieving carbon neutrality.Substituting fossil fuels with multi-source and multi-approach utilized bioenergy and corresponding carbon reduction in China remain largely unexplored.Here,a comprehensive bioenergy accounting model with a multi-dimensional analysis was developed by combining spatial,life cycle,and multi-path analyses.Accordingly,the bioenergy production potential and GHG emission reduction for each distinct type of biomass feedstock through different conversion pathways were estimated.The sum of all available organic waste(21.55 EJ yr^(-1))and energy plants on marginal land(11.77 EJ yr^(-1))in China produced 23.30 EJ of bioenergy and reduced 2,535.32 Mt CO_(2)-eq emissions,accounting for 19.48%and 25.61%of China’s total energy production and carbon emissions in 2020,respectively.When focusing on the carbon emission mitigation potential of substituting bioenergy for conventional counterparts,bioelectricity was the most effective,and its potential was 4.45 and 8.58 times higher than that of gaseous and liquid fuel alternatives,respectively.In this study,life cycle emission reductions were maximized by a mix of bioenergy end uses based on biomass properties,with an optimal 78.56%bioenergy allocation from biodiesel,densified solid biofuel,biohydrogen,and biochar.The main regional bioenergy GHG mitigation focused on the Jiangsu,Sichuan,Guangxi,Henan,and Guangdong provinces,contributing to 31.32%of the total GHG mitigation potential.This study provides valuable guidance on exploiting untapped biomass resources in China to secure carbon neutrality by 2060. | Jiaoyue Wang Jingying Fu Zhitong Zhao Longfei Bing Fengming Xi Feng Wang Jiang Dong Shiyun Wang Gang Lin Yan Yin Qinqin Hu | 2023 | The Innovation2023，4，3： | 0 |
| 6 | Comprehensive Evaluation of Main Traits of Sugarcane Germplasm Resources with High Sucrose Content显示文摘To evaluate main traits of sugarcane germplasm resources with high sucrose content and provide theoretical foundation for parental selection of sugarcane breeding,taking ROC22 as the control,the one-year plant and ratoon were planted in the field experiment with the collected 42 samples,and evaluation and survey were carried out on the agronomic traits.The results indicated that the effective stems of 35strains including GT07-104,GT08-743,and GT04-1029 were higher than that of ROC22,reaching the significant difference and reached extremely significant difference with GT08-1533.The average Brix of new ratoon of GT02-901,GT07-110 and GT09-53 was the highest in October,close to 21.89%,21.40%and 21.24%respectively,which was 17.3%higher than that of the control R22.The Brix weight of 39 samples including GT04-1001,GT08-898 and GT04-1029 was higher than that of the control group,but the Brix weight of GT02-901,GT08-221,GT07-548 and GT02-237 was lower.In conclusion,in 42 sugarcane germplasm samples with high sucrose,GT07-104,GT04-1029,GT04-1001,GT07-110,GT07-135,GT08-743 and GT07-5A have more effective stems,stronger ratoon ability,and excellent comprehensive earlymaturing traits.In view of characteristics of these samples,these germplasm resources can be used as parental crossing and combination ratio,to select target sugarcane varieties. | Hairong HUANG Lin XU Lunwang WANG Hui ZHOU Xiang LI Yuchi DENG Yan JING Shiyun TANG Fang TAN Wu XIAN | 2018 | Asian Agricultural Research2018，10，1： | 0 |
| 7 | Metallophilicity-Induced Clusterization:Single-Component White-Light Clusteroluminescence with Stimulus Response显示文摘Materials showing metallophilic interactions continue to attract considerable theoretical and experimental attention largely because of their unusual and unanticipated photophysical behavior as well as their unique stimuli-responsive behavior in an aggregate or solid state.Metallophilic interactions are mostly found between metals with either identical(d^(10)–d^(10))or different(s^(2)–d^(8),d^(8)–d^(10))configurations.Among various metallophilic interactions,aurophilic interactions(Au⋯Au)are well-known and widely reported.In this study,a new phosphorescent gold(I)complex,[(CF_(3)Ph)_(3)PAuC≡CPh](TPPGPA)was reported. | Xueqian Zhao Parvej Alam Jianyu Zhang Shiyun Lin Qian Peng Jun Zhang Guodong Liang Sijie Chen Jing Zhang Herman HYSung Jacky WYLam Ian DWilliams Xinggui Gu Zheng Zhao Ben Zhong Tang | 2022 | CCS Chemistry2022，4，8： | 0 |
| 8 | State Key Laboratory of Power Grid Safety and Energy Conservation,China Electric Power Research Institute,Beijing,China显示文摘The power system is experiencing a higher penetration of renewable energy generations(REGs).The short circuit ratio(SCR)and the grid impedance ratio(GIR)are two indices to quantify the system strength of the power system with REGs.In this paper,the critical short circuit ratio(CSCR)is defined as the corresponding SCR when the system voltage is in the critical stable state.Through static voltage stability analysis,the mathematical expression of the CSCR considering the impact of GIR is derived.The maximum value of CSCR is adopted as the critical value to distinguish the weak power system.Based on the static equivalent circuit analysis,it is proved that the CSCR is still effective to evaluate critical system strength considering the interactive impact among REGs.Finally,we find that the GIR can be neglected and the SCR can be used individually to evaluate the system strength when SCR>2 or GIR>5.The correctness and rationality of the CSCR and its critical value are validated on ADPSS. | Lin Yu Huadong Sun Shiyun Xu Bing Zhao Jian Zhang | 2022 | CSEE Journal of Power and Energy Systems2022，8，3： | 0 |
| 9 | Associated Bacteriostasis Research of Coptidis Rhizoma-Folium Isatidis and Coptidis Rhizoma-Flos Poprli against Escherichia coli O2显示文摘[Objective] The paper was to explore the combined inhibitory effect of rhizoma coptidis-folium isatidis and rhizoma coptidis-flos poprli against Escherichia coli O2.[Method] Contrast test of single and associated bacteriostasis against known serotype E. coli O2 was conducted using microcheckerboard method.[Result] The MIC of rhizoma coptidis, folium isatidis and flos poprli were 1/8 extracting liquid, 1/8 extracting liquid and 1/2 extracting liquid, respectively. When combined with folium isatidis or flos poprli, the MIC of rhizoma coptidis was 1/8 extracting liq-uid or 1/16 extracting liquid compared with single use. When combined with rhizoma coptidis, the MIC of folium isatidis and flos poprli were 1/8 extracting liquid and 1/16 extracting liquid.[Conclusion] When rhizoma coptidis was combined with folium isatidis or flos poprli, the FIC values were 2 and 0.625, performing independent action and additive effect, respectively. | Guo Shijin Shan Jinxia Wang Yanping Dong Lin Tang Shiyun Xu Qianqian Yang Limei Fu Shijun Shen Zhiqiang | 2019 | Animal Husbandry and Feed Science2019，11，1： | 0 |
| 10 | Efficient Polytelluride Anchoring for Ultralong-Life Potassium Storage: Combined Physical Barrier and Chemisorption in Nanogrid-in-Nanofiber显示文摘Metal tellurides(MTes) are highly attractive as promising anodes for high-performance potassium-ion batteries. The capacity attenuation of most reported MTe anodes is attributed to their poor electrical conductivity and large volume variation. The evolution mechanisms, dissolution properties, and corresponding manipulation strategies of intermediates(K-polytellurides, K-pTe_(x)) are rarely mentioned. Herein,we propose a novel structural engineering strategy to confine ultrafine CoTe_(2) nanodots in hierarchical nanogrid-in-nanofiber carbon substrates(CoTe_(2)@NC@NSPCNFs) for smooth immobilization of K-pTe_(x) and highly reversible conversion of CoTe_(2) by manipulating the intense electrochemical reaction process. Various in situ/ex situ techniques and density functional theory calculations have been performed to clarify the formation, transformation, and dissolution of K-pTe_(x)(K_(5)Te_(3) and K_(2)Te), as well as verifying the robust physical barrier and the strong chemisorption of K_(5)Te_(3) and K_(2)Te on S, N co-doped dual-type carbon substrates. Additionally, the hierarchical nanogrid-in-nanofiber nanostructure increases the chemical anchoring sites for K-pTe_(x), provides sufficient volume buffer space, and constructs highly interconnected conductive microcircuits, further propelling the battery reaction to new heights(3500 cycles at 2.0 A g^(-1)). Furthermore, the full cells further demonstrate the potential for practical applications. This work provides new insights into manipulating K-pTe_(x) in the design of ultralong-cycling MTe anodes for advanced PIBs. | Qinghua Li Dandan Yu Jian Peng Wei Zhang Jianlian Huang Zhixin Liang Junling Wang Zeyu Lin Shiyun Xiong Jiazhao Wang Shaoming Huang | 2024 | Nano-Micro Letters2024，16，4： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员