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| 1 | Evaluation of clinical application of ESICM acute gastrointestinal injury grading system: a single-center observational study显示文摘 | Zhang Dong Li Nan Dong Lihua Fu Yao Liu Zhongmin Wang Yushan | 2014 | Chinese Medical Journal2014,,10: | 26 |
| 2 | The Chromosome-Level Genome Sequence of the Autotetraploid Alfalfa and Resequencing of Core Germplasms Provide Genomic Resources for Alfalfa Research显示文摘Alfalfa(Medicago sativa)is one of the most important forage crops in the world;however,its molecular genetics and breeding research are hindered due to the lack of a high-quality reference genome.Here,we report a de novo assembled 816-Mb high-quality,chromosome-level haploid genome sequence for‘Zhongmu No.1’alfalfa,a heterozygous autotetraploid.The contig N50 is 3.92 Mb,and 49165 genes are annotated in the genome.The alfalfa genome is estimated to have diverged from M.truncatula approximately 8 million years ago.Genomic population analysis of 162 alfalfa accessions revealed high genetic diversity,weak population structure,and extensive gene flow from wild to cultivated alfalfa.Genome-wide association studies identified many candidate genes associated with important agronomic traits.Furthermore,we showed that MsFTa2,a Flowering Locus T homolog,whose expression is upregulated in salt-resistant germplasms,may be associated with fall dormancy and salt resistance.Taken together,these genomic resources will facilitate alfalfa genetic research and agronomic improvement. | Chen Shen Huilong Du Zhuo Chen Hongwei Lu Fugui Zhu Hong Chen Xiangzhao Meng Qianwen Liu Peng Liu Lihua Zheng Xiuxiu Li Jiangli Dong Chengzhi Liang Tao Wang | 2020 | Molecular Plant2020,13,9: | 21 |
| 3 | Intercropping with Solanum nigrum and Solanum photeinocarpum from Two Ecoclimatic Regions Promotes Growth and Reduces Cadmium Uptake of Eggplant Seedlings显示文摘Soil contamination by heavy metals is a serious environmental problem worldwide, and reduction of heavy metal accumulation in vegetables grown on contaminated land is a matter of urgency. A pot experiment was conducted to study the effects of intercropping with the Cd hyperaccumulators Solanum nigrum and Solanum photeinocarpum from two ecoclimatic regions, Ya'an and Chengdu,Sichuan Province, China, on the growth and cadmium(Cd) uptake of eggplant(Solanum melongena L.). The biomass, photosynthetic pigment contents, and activities of antioxidant enzymes of eggplant were enhanced by intercropping. The biomass of eggplant was the highest after intercropping with S. photeinocarpum from Ya'an, but did not differ significantly from that after intercropping with S. nigrum from Chengdu. The shoot Cd content of eggplant was significantly reduced by intercropping with the hyperaccumulators,which ranked as follows: S. nigrum from Chengdu > S. nigrum from Ya'an > S. photeinocarpum from Chengdu > S. photeinocarpum from Ya'an, with the decreases being 19.60%, 14.36%, 9.66%, and 6.42%, respectively, as compared with the control. The lowest shoot Cd content and translocation factor of eggplant were attained after intercropping with S. nigrum from Chengdu. Therefore, it was feasible to intercrop eggplant with S. nigrum and S. photeinocarpum on Cd-contaminated soil. | TANG Yi HE Juan YU Xuena XIE Yongdong LIN Lijin SUN Guochao LI Huanxiu LIAO Mingan LIANG Dong XIA Hui WANG Xun ZHANG Jing LIU Zejing TU Lihua LIU Li | 2017 | Pedosphere2017,27,3: | 17 |
| 4 | Involvement of sphingoid bases in mediating reactive oxygen intermediate production and programmed cell death in Arabidopsis显示文摘Sphingolipids 被建议了在植物房间为一连串的细胞的发信号活动充当第二个送信人,包括压力回答并且规划了房间死亡(PCD ) 。然而,这些过程不是的机制 underpinning 很好理解。这里,我们报导那 Arabidopsis 异种, fumonisin B1 抵抗 11-1 ( fbr 11-1 )没能产生反应的氧中介( ROI ),不能当异种被 fumonisin B ( 1 )( FB ( 1 ))质问时,开始 PCD , ceramide synthase 的一个特定的禁止者。显示的分子的分析 FBR11 编码一个长链的底 1 (LCB1 ) 丝氨酸 palmitoyltransferase (SPT ) 的子单元,它催化 de novo sphingolipid 的第一限制率的步合成。sphingolipid 集中的集体度谱的分析表明而 fbr 11-1 变化没影响 sphingoid 底的基础层次,异种响应 FB (1 ) 显示出 sphingoid 底的稀释形成。由一个直接的喂实验,我们证明免费 sphingoid 底 dihydrosphingosine, phytosphingosine 和鞘氨醇高效地导致产生由房间死亡跟随了的 ROI。相反地, dihydrosphingosine 导致的 ROI 产生和房间死亡被它的 phosphorylated 形式 dihydrosphingosine-1-phosphate 明确地以一种剂量依赖者方式堵住,建议在一个免费 sphingoid 底和它的 phosphorylated 衍生物之间的动态平衡的维护对决定房间命运批评。因为 sphingolipid 水平的改变发生在 ROI 生产以前,我们建议免费 sphingoid 库在 Arabidopsis 涉及 PCD 的控制,大概在收到不同发展或环境的暗示之上通过 ROI 的规定铺平。 | Lihua Shi Jacek Bielawski Jinye Mu Haili Dong Chong Teng Jian Zhang Xiaohui Yang Nario Tomishige Kentaro Hanada Yusuf A Hannun Jianru Zuo | 2007 | Cell Research2007,17,12: | 12 |
| 5 | Ecological Economic Problems and Development Patterns of the Arid Inland River Basin in Northwest China显示文摘中国西北部干旱区的内陆河流域位于欧亚大陆的中心(35°N,106°E),占全国陆地总面积的24.5%,是世界上最干旱的地区之一。该区具有较为湿润的山地和干旱的平原地带性交替特征。发源于山区的几条河流,如黑河、石羊河.疏勒河和塔里木河,在流经中游地区,孕育了一些生机盎然的绿洲后,注入一些小的湖泊或者消失在广袤的干旱荒漠盆地。山地.绿洲和沙漠相间分布的景观特征是中国西北干旱区内陆河流域典型的景观格局。尽管该区相对于其他的干旱地区来说有较多的农牧业生产活动,水资源问题仍然是限制该区经济发展的重要影响因素。我们以黑河流域作为一个案例, | Lihua Zhou Key Laboratory of Desert and Desertification,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,320 Dong Gang West Road,Lanzhou 730000,People’s Republic of China lhzhou@lzb.ac.cnGuojing Yang Laboratory of Watershed Hydrology and Ecology,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,320 Dong Gang West Road,Lanzhou 730000,People’s Republic of China ygj7518@163.com | 2006 | AMBIO-人类环境杂志2006,35,6: | 11 |
| 6 | Biallelic mutations in CDC20 cause female infertility characterized by abnormalities in oocyte maturation and early embryonic development显示文摘Dear Editor,Previously,the Mendelian phe no types in huma n oocyte maturation arrest,fertilization failure and early embryonic arrest,are largely underestimated.In recent years,'missing'Men delian phe no types and genes in these processes are beginning to be uncovered by us and others(Huang et al.,2014;Alazami et al..2015;Feng et al.,2016;Xu et al.,2016;Chen et al.,2017;Sang et al.,2019).However,the genetic basis for majority of patients resulting from abnormalities in these phe no types remains to be elucidated. | Lin Zhao Songguo Xue Zhongyuan Yao Juanzi Shi Biaobang Chen Ling Wu Lihua Sun Yao Xu Zheng Yan Bin Li Xiaoyan Mao Jing Fu Zhihua Zhang Jian Mu Wenjing Wang Jing Du Shuai Liu Jie Dong Weijie Wang Qiaoli Li Lin He Li Jin Xiaozhen Liang Yanping Kuang Xiaoxi Sun Lei Wang Qing Sang | 2020 | Protein & Cell2020,11,12: | 10 |
| 7 | Study on Al2O3 Extraction From Activated Coal Gangue under Different Calcination Atmospheres显示文摘Coal gangue was calcinated under air, nitrogen, carbon dioxide, air-hydrogen, and hydrogen atmospheres. The effects of different calcination temperatures and atmospheres on the mineral composition of activated coal gangue were investigated by X-ray diffraction. Moreover, the acid leaching kinetics of aluminum oxide from coal gangue was investigated with sulfuric acid. It showed that the air atmosphere promoted kaolinite decomposition during coal gangue calcination. The hydrogen atmosphere promoted the activation and decomposition of kaolinite at reaction temperatures exceeding 650℃. The carbon dioxide atmosphere eliminated the influence of residual carbon on coal gangue. When the ratio of acid/coal gangue was 1.5 and reaction temperature was 650℃, the sulfuric acid leaching rate under air,air-hydrogen,carbon dioxide,hydrogen and nitrogen atmospheres were 93.66%,90.90%, 84.06%, 81.91% and 77.54% respectively. The acid leaching reaction process conformed to unreacted shrinking core model of particle unchanged, and was controlled by the interfacial chemical reaction. The reaction kinetic equation for the leaching process was 1-(1-x)1/3=kt with an apparent activation energy of 48.97 kJ/mol. | DONG Ling LIANG Xinxing SONG Qiang GAO Gewu SONG Lihua SHU Yuanfeng SHU Xinqian | 2017 | Journal of Thermal Science2017,26,6: | 7 |
| 8 | Effect of Daiqin phlegm-expelling pill on development of inflammation in rats with chronic obstructive pulmonary disease induced by lipopolysaccharide and smoke显示文摘OBJECTIVE: To investigate the effect of Daiqin phlegm-expelling pill, prepared with Traditional Chinese Medicine(TCM), on the development of inflammation in Sprague-Dawley(SD) rats with chronic obstructive pulmonary disease(COPD) induced by lipopolysaccharide(LPS) and smoke, and to identity the possible underlying mechanism.METHODS: Sixty male rats were divided into 6 groups(healthy control group, untreated group,Daiqin phlegm-expelling pill low, middle and high dose, and ambroxol hydrochloride tablet group).COPD was established in SD rats by sootiness and tracheal instillation with LPS. The rats were treated with Daiqin phlegm-expelling pill at the indicated doses for 28 d, the inflammatory cells in bronchoalveolar lavage fluid(BALF), the concentration of tumor necrosis factor-α(TNF-α), interleukin(IL)-8 and IL-6 in blood and the inflammation in lung were evaluated.RESULTS: The number of inflammatory cells in the BALF and TNF-ficantly redα, IL-8 and IL-6 level in plasma were signiuced in rats with COPD when treated with Daiqin phlegm-expelling pill or ambroxol hydrochloride tablet, compared with those without any treatment. The Daiqin phlegm-expelling pill treated rats with COPD had a attenuated inflammation in lung tissue, compared with the untreated group.CONCLUSION: Daiqin phlegm-expelling pill can significantly restrain the airway inflammation in rats with LPS-smoke induced COPD. | Li Lei Xu Lihua Wu Xinping Dong Jie | 2019 | Journal of Traditional Chinese Medicine2019,39,1: | 7 |
| 9 | Integrated genomic analysis identifies deregulated JAK/STAT-MYC-biosynthesis axis in aggressive NK-cell leukemia显示文摘好攻击的 NK 房间白血病(ANKL ) 是在从亚洲的人之中是更流行的 NK 房间瘤的一种稀罕形式并且中央并且南美洲。病人们通常在天以内死到月,甚至在收到迅速的治疗学的管理以后。这里,我们由集成整个染色体执行了 ANKL 的第一全面研究, transcriptome 并且定序指向,象功能的试金一样的 cytokine 数组。在 JAK-STAT 小径的变化在 48% 被识别(14/29 ) ANKL 病人,当细胞外的 STAT3 激发器 IL10 被 56 褶层的一般水准提高时(P < 0.0001 ) 在检查的所有病人的血浆。另外的经常变异的基因包括的 TP53 (34%) , TET2 (28%) , CREBBP (21%) 和 MLL2 (21%) 。耐心的 NK 白血病房间在多重新陈代谢的小径显示出 STAT3 phosphorylation, MYC 表示和 transcriptional 活动的突出的激活。机能上地, STAT3 激活和 MYC 表示为 ANKL 房间的增长和幸存是批评的。发信号的 STAT 调整了发信号的 MYC 抄写节目,和两 STAT, MYC 抄写被要求维持核苷酸合成和 glycolysis 的激活。一起, JAK-STAT 小径在 ANKL 为 genomic 改变和 IL10 刺激代表一个主要目标。这最新发现的 JAK/STAT-MYC-biosynthesis 轴可以在对待白血病的这种子类型为新奇治疗学的策略的发展提供机会。 | Liang Huang Dan Liu Na Wang Shaoping Ling Yuting Tang Jun Wu Lingtong Hao Hui Luo Xuelian Hu Lingshuang Sheng Lijun Zhu Di Wang Yi Luo Zhen Shang Min Xiao Xia Mao Kuangguo Zhou Lihua Cao Lili Dong Xinchang Zheng Pinpin Sui Jianlin He Shanlan Mo Jin Yan Qilin Ao Lugui Qiu Hongsheng Zhou Qifa Liu Hongyu Zhang Jianyong Li Jie Jin Li Fu Weili Zhao Jieping Chen Xin Du Guoliang Qing Hudan Liu Xin Liu Gang Huang Ding Ma Jianfeng Zhou Qian-fei Wang | 2018 | Cell Research2018,28,2: | 5 |
| 10 | Design of communication relay mission for supporting lunar-farside soft landing显示文摘Chang'E-IV will be the first soft-landing and rover mission on the lunar farside. The relay satellite, which is located near the Earth-Moon L2 point for relay communication, is the key to the landing mission. Based on an analysis of the characteristics of the task and the technical difficulties associated with the relay satellite system, the overall design scheme of the relay communication mission is proposed in terms of trajectory design and communication system design among other aspects. First, according to the complex dynamic environment, a mission orbit that serves as an uninterrupted communication link is presented. A short-duration and low-energy transfer trajectory with lunar flyby is discussed. Orbital correction and a low-cost control strategy for orbit maintenance in the Earth-Moon L2 point region are provided. Second,considering the existing technical constraints, the requirement of relay communication in different stages and the design schemes of frequency division and redundant relay communication system are introduced. Finally,based on the trajectory design index and the performance of the communication system, the overall design scheme of the relay communication mission is proposed. This mission will provide the technical support and reference required for the Chang'E-IV mission. | Weiren WU Yuhua TANG Lihua ZHANG Dong QIAO | 2018 | Science China(Information Sciences)2018,61,4: | 4 |
| 11 | Identification of Histoplasma causing an unexplained disease cluster in Matthews Ridge, Guyana显示文摘Here,we report the identification of Histoplasma causing an unexplained disease cluster in Matthews Ridge,Guyana.In March 2019,14 employees of Chongqing Bosai Mining Company,China,working in a manganese mining of Guyana,had unexplained fever,and two of them died.We obtained lung and brain tissues as well as the blood samples from the two deceased cases(patient No.1 and 2),and bronchoscopy lavages and cerebrospinal fluid samples from one severe case(patient No.3),respectively.All samples were tested by pathological examination,high-throughput sequencing,and real-time PCR.Pathological detection showed the presence of spore-like structures in the lung tissue of patient No.1,indicating a fungal infection in this patient.Nanopore sequencing identified the existing of H.capsulatum in the lung tissue sample within 13 h.Next-generation sequencing identified specific fragments of H.capsulatum in all of the samples tested(lung,brain and blood serum from the deceased cases,and plasma from the severe case).Real-time PCR assays did not reveal any viral infection related to transmission from bat feces.We conclude that H.capsulatum was the causative pathogen of this disease cluster based on epidemiologic,clinical,pathological and nucleic acid evidence. | Ji Wang Weimin Zhou Hua Ling Xiaoping Dong Yi Zhang Jiandong Li Yong Zhang Jingdong Song William J.Liu Yang Li Ruiqing Zhang Wei Zhen Kun Cai Shuangli Zhu Dongyan Wang Jinbo Xiao Yigang Tong Wenli Liu Lihua Song Wei Wu Yang Liu Xiang Zhao Ruihuan Wang Sheng Ye Jing Wang Roujian Lu Baoying Huang Fei Ye Wenwen Lei Rongbao Gao Qi Shi Cao Chen Jun Han Wenbo Xu George F.Gao Xuejun Ma Guizhen Wu | 2019 | Biosafety and Health2019,1,3: | 3 |
| 12 | Clinical and microbiological characterization of Clostridium difficile infection in a tertiary care hospital in Shanghai, China显示文摘 | Dong Danfeng Peng Yibing Zhang Lihua Jiang Cen Wang Xuefeng Mao Enqiang | 2014 | Chinese Medical Journal2014,,9: | 3 |
| 13 | Comprehensive profiling of EBV gene expression in nasopharyn- geal carcinoma through paired-end transcriptome sequencing显示文摘在鼻咽的癌(NPC ) 的 Epstein-Barr 病毒(EBV ) 基因的潜伏的表示模式广泛地被调查了,并且在 NPC 的几 lysin 的基因的表示被报导了。然而,通过在 NPC 的 EBV transcriptome 分析的全面信息是有限的。我们执行了对结束 RNA-seq 到系统地并且包括地在 NPC 织物和 C666-1 NPC 房间线描绘 EBV 基因的表示,它一致地带 EBV。除了限制打 II 潜伏感染,类型 III 潜伏 EBNA3s 基因和lysin 的基因的一个实质的数字的抄本,例如 BZLF1 , BRLF1 ,和 BMRF1 ,通过 RNA-seq 被检测并且进一步通过也执行的实时 PCR.We 在 C666-1 房间和 NPC 织物被验证聚类分析以 EBV 基因表示分类 NPC 耐心的组,它介绍了 NPC 样品的二种子类型。结果在 NPC 病人揭示了 EBV 基因表示的有趣的模式。这个聚类与 heterotrimeric G 蛋白质发信号有关与许多发信号的小径被相关,例如那些,发炎由 chemokine 并且 cytokine 发信号调停了,核糖体,蛋白质新陈代谢,流行性感冒感染,和 ECM 受体相互作用。我们的联合调查结果建议在 NPC 的 EBV 基因的表示被限制不仅打 II 潜伏基因而且打 III 潜伏和 lysin 的基因。这研究在 NPC 的发展提供了进一步的卓见进 EBV 的潜在的角色。 | Lijuan Hu Zhirui Lin YanhengWu Juqin Dong Bo Zhao Yanbing Cheng Peiyu Huang Lihua Xu Tianliang Xia Dan Xiong Hongbo Wang Manzhi Li Ling Guo Elliott Kieff YixinZeng | 2016 | Frontiers of Medicine2016,10,1: | 3 |
| 14 | Physico-chemical Characteristics and Environmental Significance of Snow Deposition on Haxilegen Glacier No.51 in Tian Shan,China显示文摘Snow chemistry on the glaciers of alpine regions is a good indicator of atmospheric environmental change.We examine snow chemistry in three snowpits at different altitudes on the Haxilegen Glacier No.51,in the Kuitun River source,Tian Shan,China,during July-September 2004 to 2007.We use correlation analysis,factor analysis and sea-salt tracing methods to examine the characteristics and sources of major ions and mineral dust particles in the snow.Results show that mineral dust particles and major ions in the snow pits vary seasonally.During the Asian dust period in springtime,the concentration of mineral dust particles and major ions deposited in snow is high,while the concentration is relatively low during the non-dust period of summer and autumn.This may be caused by dust storm activity in central Asia.The order of major ionic concentrations in the snow packs was determined to be Ca2+ > SO42-> NH4+ > NO3-> Cl-> Na+ > Mg2+ > K+.Ca2+ was the dominant cation;SO42- was the dominant anion.We find,with the exception of NO3-,that the variabilities of ionic concentrations are highly correlated.Results show that the glacier region was significantly affected by dust activity and anthropogenic source.The major ions,especially Na+,originate from dust sources of central Asia and from the Ocean,transported by the westerly winds. | DONG Zhiwen LI Zhongqin ZHANG Mingjun WANG Feiteng WU Lihua | 2011 | Journal of Mountain Science2011,8,3: | 2 |
| 15 | Wear Properties of Plasma Transferred Arc Fe-based Coatings Reinforced by Spherical WC Particles显示文摘Fe-based coatings reinforced by spherical WC particles were produced on the 304 stainless steel by plasma transferred arc(PTA) to enhance the surface wear properties. Three different Fe/WC composite powder mixtures containing 0 wt%, 30 wt%, and 60 wt% of WC were investigated. The microstructure and phase composition of the Fe/WC composite PTA coatings were evaluated systemically by using scanning electron microscope(SEM) and X-ray diffraction(XRD). The wear properties of the three fabricated PTA coatings were investigated on a BRUKER UMT TriboLab. The morphologies of the worn tracks and wear debris were characterized by using SEM and 3 D non-contract profiler. The experimental results reveal that the microhardness on the cross-section and the wear resistance of the fabricated coatings increase dramatically with the increasing adding WC contents. The coating containing 60 wt% of WC possesses excellent wear resistance validated by the lower coefficients of friction(COF), narrower and shallower wear tracks and smaller wear rate. In the pure Fe-based coating, the main wear mechanism is the combination of adhesion and oxidative wear. Adhesive and two-body abrasive wear are predominated in the coating containing 30 wt% of WC, whereas threebody abrasion wear mechanism is predominated in the coating containing 60 wt% of WC. | 范丽 董耀华 CHEN Haiyan DONG Lihua YIN Yansheng | 2019 | Journal of Wuhan University of Technology(Materials Science)2019,34,2: | 2 |
| 16 | The Maximum Balaban Index (Sum-Balaban Index) of Unicyclic Graphs显示文摘The Balaban index of a connected graph G is defined as J(G) =|E(G)|μ + 1∑e=uv∈E(G)1√DG(u)DG(v),and the Sum-Balaban index is defined as SJ(G) =|E(G)|μ + 1∑e=uv∈E(G)1√DG(u)+DG(v),where DG(u) =∑w∈V(G)dG(u, w), and μ is the cyclomatic number of G. In this paper, the unicyclic graphs with the maximum Balaban index and the maximum Sum-Balaban index among all unicyclic graphs on n vertices are characterized, respectively. | Lihua YOU Xin DONG | 2014 | Journal of Mathematical Research with Applications2014,34,4: | 2 |
| 17 | Predictive control for mechanical system with backlash based on hybrid model显示文摘The mechanical system with backlash is distinguished between a'backlash mode'and a'contact mode'.The inherent switching between the two operating modes makes the system a prime example of hybrid system.For eliminating the bad effect of backlash, a piecewise affine(PWA) model of the mechanical servo system with backlash is built.The optimal control of constrained PWA system is obtained by taking advantage of model predictive control(MPC) method, and the explicit solution of MPC in a look-up table form is figured out by combining the dynamic programming and multi-parametric quadratic programming, thereby establishing an explicit hybrid model predictive controller.Furthermore, a piecewise quadratic(PWQ) function for guaranteeing the stability of closed-loop control is found by formulating the search of PWQ function as a semi-definite programming problem.In the tracking experiments, it is demonstrated that the explicit hybrid model predictive controller has a good traction control effect on the mechanical system with backlash.The error meets the demands of real system.Further, compared to the direct on-line computation, the computation burden is reduced by the explicit solution, thereby being suitable for real-time control of system with short sampling time. | Dou Lihua Dong Lingxun Chen Jie Xia Yuanqing | 2009 | Journal of Systems Engineering and Electronics2009,20,6: | 2 |
| 18 | Residual oil evolution based on displacement characteristic curve显示文摘The purpose of this study was to determine the displacement and dynamic distribution characteristics of the remaining oil in the two development stages of water flooding and subsequent alkaline surfactant polymer(ASP) flooding. The well pattern types in the water and ASP flooding stages are a longdistance determinant well pattern and short-distance five-point well pattern, respectively. The type A displacement characteristic curve can be obtained using the production data, and the slope of the straight-line section of the curve can reflect the displacement strength of the oil displacement agent. A numerical simulation was carried out based on the geological model. The results revealed that the injected water advances steadily with a large-distance determinant water-flooding well pattern. The single-well water production rate increases monotonically during water flooding. There is a significant positive correlation between the cumulative water-oil ratio and the formation parameter. Differential seepage between the oil and water phases is the main factor causing residual oil formation after water flooding, while the residual oil is still relatively concentrated. The effect of the chemical oildisplacement agent on improving the oil-water two-phase seepage flow has distinct stages during ASP flooding. The remaining oil production is extremely sporadic after ASP flooding. | Duanchuan Lyu Chengyan Lin Lihua Ren Chunmei Dong Jinpeng Song | 2020 | International Journal of Mining Science and Technology2020,30,3: | 2 |
| 19 | Bronze TiO2 as a cathode host for lithium-sulfur batteries显示文摘Lithium-sulfur batteries(LSBs)are very promising for large-scale electrochemical energy storage.However,dissolution and shuttling of lithium polysulfides(LiPSs)intermediates have severely affected their overall electrochemical properties and limited their practical application.Designing polar cathode hosts that can effectively bind LiPSs and simultaneously promote their redox conversion is crucial for realizing high-performance LSBs.Herein,we report bronze TiO2(TiO2-B)nanosheets(~5 nm in thickness)chemically bonded with carbon as a novel multifunctional cathode host for advanced LSBs.Experimental observation and first-principles density functional theory(DFT)calculations reveal that the TiO2-B with exposed(100)plane and Ti^3+ions exhibited high chemical affinity toward polysulfides and effectively confined them at surface.Meantime,Ti^3+ions and interface coupling with carbon promoted electronic conductivity of the composite cathode,leading to enhanced redox conversion kinetics of LiPSs during charge/discharge.Consequently,the as-assembled TiO2-B/S cathode manifested high capacity(1165 mAh/g at 0.2 C),excellent rate capability(244 mAh/g at 5 C)and outstanding cyclability(572 mAh/g over 500cycles at 0.2 C).This work sheds insights on rational design and fabrication of novel functional electrode materials for beyond Li-ion batteries. | Wenjing Dong Di Wang Xiaoyun Li Yuan Yao Xu Zhao Zhao Wang Hong-En Wang Yu Li Lihua Chen Dong Qian Bao-Lian Su | 2020 | Journal of Energy Chemistry2020,29,9: | 2 |
| 20 | Optimal harvesting policies for periodic Gompertz systems显示文摘 | Lingzhen Dong Lansun Chen Lihua Sun | 2006 | Nonlinear Analysis: Real World Applications2006,,2: | 2 |