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| 1 | Genomic insights into the fast growth of paulownias and the formation of Paulownia witches' broom显示文摘Paulownias are among the fastest growing trees in the world,but they often suffer tremendous loss of wood production due to infection by Paulownia witches'broom(PaWB)phytoplasmas.In this study,we have sequenced and assembled a high-quality nuclear genome of Paulownia fortunei,a commonly cultivated paulownia species.The assembled genome of P.fortunei is 511.6 Mb in size,with 93.2%of its sequences anchored to 20 pseudo-chromosomes,and it contains 31985 protein-coding genes.Phylogenomic analyses show that the family Paulowniaceae is sister to a clade composed of Phrymaceae and Orobanchaceae.Higher photosynthetic efficiency is achieved by integrating C3 photosynthesis and the crassulacean acid metabolism pathway,which may contribute to the extremely fast growth habit of paulownia trees.Comparative transcriptome analyses reveal modules related to cambial growth and development,photosynthesis,and defense responses.Additional genome sequencing of PaWB phytoplasma,combined with functional analyses,indicates that the effector PaWB-SAP54 interacts directly with Paulownia PfSPLa,which in turn causes the degradation of PfSPLa by the ubiquitin-mediated pathway and leads to the formation of witches'broom.Taken together,these results provide significant insights into the biology of paulownias and the regulatory mechanism for the formation of PaWB. | Yabing Cao Guiling Sun Xiaoqiao Zhai Pingluo Xu Liming Ma Minjie Deng Zhenli Zhao Haibo Yang Yanpeng Dong Zhonghai Shang Yujie Lv Lijun Yan Haifang Liu Xibing Cao Bingbing Li Zhe Wang Xiaogai Zhao Haiyan Yu Fan Wang Wen Ma Jinling Huang Guoqiang Fan | 2021 | Molecular Plant2021，14，10： | 7 |
| 2 | Databases and Web Tools for Cancer Genomics Study显示文摘Publicly-accessible resources have promoted the advance of scientific discovery. The era of genomics and big data has brought the need for collaboration and data sharing in order to make effective use of this new knowledge. Here, we describe the web resources for cancer genomics research and rate them on the basis of the diversity of cancer types, sample size, omics data comprehensiveness, and user experience. The resources reviewed include data repository and analysis tools; and we hope such introduction will promote the awareness and facilitate the usage of these resources in the cancer research community. | Yadong Yang Xunong Dong Bingbing Xie Nan Ding Juan Chen Yongjun Li Qian Zhang Hongzhu Qu Xiangdong Fang | 2015 | Genomics, Proteomics & Bioinformatics2015，13，1： | 3 |
| 3 | High-risk phenotypes of genetic disease in a Neonatal Intensive Care Unit population显示文摘To the Editor: Genetic diseases contribute to 35% of deaths during the first year of life and are a significant cause of intensive care.[1] A previous study based on the China Neonatal Genomes Project investigated the genetic causes of early infant deaths and found that >25% of deceased neonates with genetic diagnoses can be cured if diagnosed in time.[2] Therefore, it is crucial to target and diagnose neonates with genetic diseases as early as possible. According to our experience, the typical phenotypes, such as special facial features or multiple congenital anomalies (MCAs), indicate a high risk of genetic disease and lead physicians to perform genetic testing in neonates as early as possible. However, in practice, infants without typical phenotypes typically undergo a long and costly diagnostic process before genetic diagnoses are confirmed. Moreover, a recent survey by the American College of Medical Genetics and Genomics (ACMG) and other national professional organizations indicated that there are insufficient numbers of qualified geneticists to fulfil genetic service needs.[3] The ACMG published the general clinical features for genetic testing indications. For example, patients with phenotypes or family history data that strongly implicate a genetic cause may undergo genetic testing.[1] However, the study indicated that many genetic conditions arise de novo or are inherited with no family history.[1] A previous study attempted to apply the non-phenotype-driven panel approach in neonates admitted to the neonate intensive care unit (NICU).[4] However, at present, the diagnostic yield is only 3.45% (1/29).[4] In addition, the economic and ethical issues associated with genomic screening remain challenging. Therefore, the available indications for genetic testing may improve the management of genetic diseases. | Tiantian Xiao Qi Ni Huiyao Chen Huijun Wang Lin Yang Bingbing Wu Yun Cao Guoqiang Cheng Laishuan Wang Liyuan Hu Hongfang Mei Yulan Lu Mengchun Gong Xinran Dong Wenhao Zhou | 2022 | Chinese Medical Journal2022，，5： | 2 |
| 4 | Protective humoral immunity in SARS-CoV-2 infected pediatric patients显示文摘After the rapid spread of SARS-CoV-2 in Wuhan,China,at the beginning of 2020,about 1.5 million confirmed cases and over 80,000 deaths have been reported around 200 countries and territories all over the world and the number continues to increase.However,we still have limited knowledge of this new coronavirus,especially the interaction between SARS-CoV-2 and our immune system. | Yaguang Zhang Jin Xu Ran Jia Chunyan Yi Wangpeng Gu Pengcheng Liu Xinran Dong Hao Zhou Bo Shang Shipeng Cheng Xiaoyu Sun Jing Ye Xuezhen Li Jia Zhang Zhiyang Ling Liyan Ma Bingbing Wu Mei Zeng Wenhao Zhou Bing Sun | 2020 | Cellular & Molecular Immunology2020，17，7： | 2 |
| 5 | A multi-epitope vaccine based on Chlamydia trachomatis major outer membrane protein induces specific immunity in mice显示文摘我们评估了包括主要的外部膜蛋白质(MOMP ) 的一支候选人疫苗的 immunogenicity 和功效 multi-epitopeof Chlamydia trachomatis。从包含多重 T 房间和 B 房间 epitopes 的 MOMP 导出的 multi-epitope 的短基因是人工地,包含 codon 的 synthesized.The recombinant plasmid pET32a (+) 优化了 MOMP multi-epitope 基因被构造。在 Escherichia coli 的 fusionprotein Trx-His-MOMP multi-epitope 的表示被钠 dodecyl sulfatepolyacrylamide 胶化电气泳动和西方的污点分析证实。Balb/c 老鼠是 inoculatedwith 皮下地,三与 2 星期的间隔预定的净化的熔化蛋白质。结果出现了 MOMP multi-epitopeelicited 不仅对 C 的强壮的体液的有免疫力的回答。由显著地产生特定的抗体(IgG1 和 IgG2a ) 的高水平的 trachomatis,而且由 inducingrobust 的细胞的有免疫力的回答在老鼠的细胞毒素的 T 淋巴细胞回答。而且, MOMP multi-epitope 实质地告知 IFN- 的分泌物,表明这支疫苗能导致强壮的 Th1 回答。最后,老鼠与 C 的 MOMP multi-epitope displayeda 减小种牛痘。在 chlamydial 挑战和感染的 C 的一个加速的清理之上流的 trachomatis。trachomatis。在结论, MOMP multi-epitope 疫苗可以对 C 为有效预防 andtherapeutic 疫苗的发展有潜力。trachomatis 感染。 | Jianxin Tu B ailong Hou Bingbing Wang Xiaoyun Lin Wenci Gong Haiyan Dong Shanli Zhu Shao Chen Xiangyang Xue Kong-Nan Zhao Lifang Zhang | 2014 | Acta Biochimica et Biophysica Sinica2014，46，5： | 1 |
| 6 | Experimental Study on the Improvement of Yaw Stability by Coordination Control between the Caudal Fin and Anal Fin显示文摘Due to the unique locomotion,the head-shaking problem of biomimetic robotic fish inevitably occurs during rectilinear locomotion,which strongly hinders its practical applications.In this paper,we experimentally study this problem by proposing the method of coordination control between the caudal fin and anal fin.First,an untethered biomimetic robotic fish,equipped with an anal fin,a caudal fin and two pectoral fins,is developed as the experimental platform.Second,a Central Pattern Generator(CPG)-based controller is used to coordinate the motions of the anal fin and caudal fin.Third,extensive experiments are conducted to explore different combinations of the flapping frequencies,the flapping amplitudes,and the phase differences between the anal fin and caudal fin.Notably,through proper control of the anal fin,the amplitude of the yaw motion can be as small as 4.32°,which sees a 65%improvement compared to the scenario without anal fin,and a 57%improvement compared to that with a stationary anal fin.This paper provides a novel way to alleviate the head-shaking problem for biomimetic robotic fish,and first test this method on an untethered,freely swimming robotic platform,which can shed light on the development of underwater robotics. | Jiang Ding Changzhen Zheng Chaocheng Song Qiyang Zuo Yaohui Xu Bingbing Dong Jiaxu Cui Kai He Fengran Xie | 2022 | Journal of Bionic Engineering2022，19，5： | 1 |
| 7 | Perylene Bisimides as efficient electron transport layers in planar heterojunction perovskite solar cells显示文摘Two perylene bisimides based non-fullerene small molecules, H-DIPBI and B-DIPBI, are applied into inverted planar heterojunction perovskite solar cells. The power conversion efficiency up to 11.6% has been achieved for device with B-DIPBI,indicating that non-fullerene acceptor can function as the electron transport layer to replace PCBM in perovskite solar cells. | Bingbing Fan Dong Meng Dehua Peng Shiwei Lin Zhaohui Wang Yanming Sun | 2016 | Science China Chemistry2016，59，12： | 1 |
| 8 | Erianin suppresses constitutive activation of MAPK signaling pathway by inhibition of CRAF and MEK1/2显示文摘Constitutive activation of RAS-RAF-MEK-ERK signaling pathway(MAPK pathway)frequently occurs in many cancers harboring RAS or RAF oncogenic mutations.Because of the paradoxical activation induced by a single use of BRAF or MEK inhibitors,dual-target RAF and MEK treatment is thought to be a promising strategy.In this work,we evaluated erianin is a novel inhibitor of CRAF and MEK1/2 kinases,thus suppressing constitutive activation of the MAPK signaling pathway induced by BRAF V600E or RAS mutations.KinaseProfiler enzyme profiling,surface plasmon resonance(SPR),isothermal titration calorimetry(ITC),cellular thermal shift assay,computational docking,and molecular dynamics simulations were utilized to screen and identify erianin binding to CRAF and MEK1/2.Kinase assay,luminescent ADP detection assay,and enzyme kinetics assay were investigated to identify the efficiency of erianin in CRAF and MEK1/2 kinase activity.Notably,erianin suppressed BRAF V600E or RAS mutant melanoma and colorectal cancer cell by inhibiting MEK1/2 and CRAF but not BRAF kinase activity.Moreover,erianin attenuated melanoma and colorectal cancer in vivo.Overall,we provide a promising leading compound for BRAF V600E or RAS mutant melanoma and colorectal cancer through dual targeting of CRAF and MEK1/2. | Penglei Wang Xuechao Jia Bingbing Lu Han Huang Jialin Liu Xuejiao Liu Qiong Wu Yamei Hu Pan Li Huifang Wei Tingting Liu Dengyun Zhao Lingwei Zhang Xueli Tian Yanan Jiang Yan Qiao Wenna Nie Xinli Ma Ruihua Bai Cong Peng Zigang Dong Kangdong Liu | 2023 | Signal Transduction and Targeted Therapy2023，8，4： | 1 |
| 9 | Expression of phenylalanine ammonia lyase as an intracellularly free and extracellularly cell surface-immobilized enzyme on a gut microbe as a live biotherapeutic for phenylketonuria显示文摘Phenylketonuria(PKU),a disease resulting in the disability to degrade phenylalanine(Phe)is an inborn error with a 1 in 10,000 morbidity rate on average around the world which leads to neurotoxicity.As an potential alternative to a protein-restricted diet,oral intake of engineered probiotics degrading Phe inside the body is a promising treatment,currently at clinical stage II(Isabella,et al.,2018).However,limited transmembrane transport of Phe is a bottleneck to further improvement of the probiotic’s activity.Here,we achieved simultaneous degradation of Phe both intracellularly and extracellularly by expressing genes encoding the Phe-metabolizing enzyme phenylalanine ammonia lyase(PAL)as an intracellularly free and a cell surface-immobilized enzyme in Escherichia coli Nissle 1917(EcN)which overcomes the transportation problem.The metabolic engineering strategy was also combined with strengthening of Phe transportation,transportation of PAL-catalyzed trans-cinnamic acid and fixation of released ammonia.Administration of our final synthetic strain TYS8500 with PAL both displayed on the cell surface and expressed inside the cell to the Pah^(F263S)PKU mouse model reduced blood Phe concentration by 44.4%compared to the control Ec N,independent of dietary protein intake.TYS8500 shows great potential in future applications for PKU therapy. | Yu Jiang Bingbing Sun Fenghui Qian Feng Dong Chongmao Xu Wuling Zhong Rui Huang Qiwei Zhai Yu Jiang Sheng Yang | 2023 | Science China(Life Sciences)2023，66，1： | 1 |
| 10 | Uncovering the critical impact of the solid electrolyte interphase structure on the interfacial stability显示文摘Solid electrolyte interphase(SEI)plays a critical role in determining the interfacial stability,which in turn impacts the plating/stripping process of the lithium metal anode.Substantial research has been focused on the composition of SEI and its contribution to the interfacial stability.Herein,we illustrate the significance of SEI structure,in a comprehensive comparison of a diluted electrolyte(1 M LiTFSI-PC)and a super-concentrated electrolyte(8 M LiTFSI-PC).Illustrated by in situ optical and atomic force microscope observation,homogeneous plating on lithium anode is achieved in the concentrated electrolyte.However,x-ray photoelectron spectroscopy and molecular dynamics simulations reveal that,contrary to the general understanding,the components of SEI is nearly identical for lithium anode cycled in both two electrolytes.Detailed characterizations demonstrate the structure of SEI is quite different.In concentrated electrolyte,a compact structure of SEI layer can be obtained,mainly due to the reduced solubility and outstanding formation kinetics of the interfacial layer.This work provided a new understanding to the excellent performance of super-concentrated electrolyte in lithium metal battery. | Zhenglin Hu Chen Wang Chao Wang Bingbing Chen Chunpeng Yang Shanmu Dong Guanglei Cui | 2022 | InfoMat2022，4，3： | 1 |
| 11 | Identification of Immune Genes of the Agamaki Clam (Sinonovacula constricta) by Sequencing and Bioinformatic Analysis of ESTs显示文摘 | Bingbing Feng Lingli Dong Donghong Niu Shanshan Meng Bing Zhang Dabo Liu Songnian Hu Jiale Li | 2010 | Marine Biotechnology2010，，3： | 1 |
| 12 | Deletion of CHD8 in cerebellar granule neuron progenitors leads to severe cerebellar hypoplasia,ataxia,and psychiatric behavior in mice显示文摘CHD8 is a candidate gene for autism spectrum disorders and neurological development delay.It has been reported to be essential for neurogenesis in the cerebral cortex,but the function of CHD8 in cerebellum has not been comprehensively investigated.The potential relationship of cerebellum dysplasia with psychiatric disorders in patients with CHD8 mutations is still not clear.In this study,we establish different conditional knockout mouse models to investigate the roles of CHD8 in cerebellar development.Mice with neural stem cell-specific Chd8 deletion exhibit significant reduction of cerebellum volume and no layering structure is detected.Genetic deletion of Chd8 in cerebellar granule neuron progenitors(GNPs)leads to cerebellar hypoplasia,absent of proliferation layer and ectopic of Purkinje neuron.However,no substantial cerebellar dysplasia is detected in mice with Purkinje neuron-or oligodendrocyte-specific Chd8 ablation.Single-cell RNA sequencing indicates that ribosome-related genes and pathways are most significantly disrupted in GNPs,indicating the potential mechanism.Importantly,in addition to the ataxia phenotype,mice with GNPspecific Chd8 ablation present a neuropsychiatric phenotype in three-chamber and light/dark tests.Taken together,our results provide insights not only into the function of CHD8 in cerebellar development,but also the pathogenesis of neuropsychiatric disorders in patients with CHD8 mutations. | Xiang Chen Tong Chen Chen Dong Huiyao Chen Xinran Dong Lin Yang Liyuan Hu Huijun Wang Bingbing Wu Ye Yao Yu Xiong Man Xiong Yifeng Lin Wenhao Zhou | 2022 | Journal of Genetics and Genomics2022，49，9： | 1 |
| 13 | The Role of Collateral in Sudden Stop Models显示文摘This paper examines the role of collateral in sudden stop models that feature occasionally binding constraints and endogenous growth.It shows how different assumptions regarding the nature and valuation of collateral alter the dynamics of crisis episodes and the welfare costs of pecuniary externalities.For example,in a model with land as collateral,valuing collateral at the“expected future price”leads to substantially weaker Fisherian deflation efects than the case with collateral valued at the“current price.”However,the average size of sudden stops in the two economies are similar because households endogenously avoid the region where large sudden stops would occur.The differences between different collateral valuations and the size of sudden stops are amplified when we abstract from endogenous growth.In another case,assuming collateral is income rather than land leads to smaller sudden stops as income is less volatile than asset prices.Finally,we show that some choices lead to constrained or conditionally eficient allocations whereas others generate inefficiencies,but these inefficienciesare small. | Bingbing Dong Jieran Wu Eric Young | 2023 | China & World Economy2023，31，6： | 0 |
| 14 | Manipulation of plant height in garden asparagus (Asparagus officinalis L.) through CRISPR/Cas9-mediated aspSPL14 allele editing显示文摘Dear Editor,Reduction in plant height has been associated with yield increases and yield stability in a number of important crop species,such as wheat and rice[1].In these plants,dwarfing is mainly attributed to the inability to synthesize or respond to certain phytohormones,predominantly gibberellin(GA)[2].Ideal Plant Architecture 1(IPA1),an miR156 target gene,encodes SPL14 and it is able to bind directly to the promoters of multiple GA biosynthetic,signal,and deactivating genes in rice[3].Moreover,IPA1 loss-of-function mutants exhibit dwarf phenotypes[4]. | Jingsong Zhou Reqing He Xiaojing Liu Bingbing Zhang Guangyu Chen Dong Wang Youlin Zhu | 2023 | Horticulture Research2023，10，7： | 0 |
| 15 | PICOTEES:a privacy-preserving online service of phenotype exploration for genetic-diagnostic variants from Chinese children cohorts显示文摘The growth in biomedical data resources has raised potential privacy concerns and risks of genetic information leakage. For instance, exome sequencing aids clinical decisions by comparing data through web services, but it requires significant trust between users and providers. To alleviate privacy concerns, the most commonly used strategy is to anonymize sensitive data. Unfortunately, studies have shown that anonymization is insufficient to protect against reidentification attacks. Recently, privacy-preserving technologies have been applied to preserve application utility while protecting the privacy of biomedical data. We present the PICOTEES framework, a privacy-preserving online service of phenotype exploration for genetic-diagnostic variants (https://birthdefectlab.cn:3000/). PICOTEES enables privacy-preserving queries of the phenotype spectrum for a single variant by utilizing trusted execution environment technology, which can protect the privacy of the user's query information, backend models, and data, as well as the final results. We demonstrate the utility and performance of PICOTEES by exploring a bioinformatics dataset. The dataset is from a cohort containing 20,909 genetic testing patients with 3,152,508 variants from the Children's Hospital of Fudan University in China, dominated by the Chinese Han population (>99.9%). Our query results yield a large number of unreported diagnostic variants and previously reported pathogenicity. | Xinran Dong Yulan Lu Lanting Guo Chuan Li Qi Ni Bingbing Wu Huijun Wang Lin Yang Songyang Wu Qi Sun Hao Zheng Wenhao Zhou Shuang Wang | 2024 | Journal of Genetics and Genomics2024，51，2： | 0 |
| 16 | LSN:Long-Term Spatio-Temporal Network for Video Recognition显示文摘Although recurrent neural networks(RNNs)are widely leveraged to process temporal or sequential data,they have attracted too little attention in current video action recognition applications.Therefore,this work attempts to model the long-term spatio-temporal information of the video based on a variant of RNN,i.e.,higher-order RNN.Moreover,we propose a novel long-term spatio-temporal network(LSN)for solving this video task,the core of which integrates the newly constructed high-order ConvLSTM(HO-ConvLSTM)modules with traditional 2D convolutional blocks.Specifically,each HO-ConvLSTM module consists of an accumulated temporary state(ATS)module as well as a standard ConvLSTM module,and several previous hidden states in the ATS module are accumulated to one temporary state that will enter the standard ConvLSTM to determine the output together with the current input.The HO-ConvLSTM module can be inserted into different stages of the 2D convolutional neural network(CNN)in a plug-andplay manner,thus well characterizing the long-term temporal evolution at various spatial resolutions.Experiment results on three commonly used video benchmarks demonstrate that the proposed LSN model can achieve competitive performance with the representative models. | Zhenwei Wang Wei Dong Bingbing Zhang Jianxin Zhang | 2022 | 国际计算机前沿大会会议论文集2022，，1： | 0 |
| 17 | The effect of protic ionic liquids incorporation on CO_(2) separation performance of Pebax-based membranes显示文摘The separation of carbon dioxide(CO_(2))is of great importance for environment protection and gas resource purification.The ionic liquids(ILs)-based gas separation membrane provides a new chance for efficient CO_(2)separation,while high permeability and selectivity of membranes is a great challenge.In this study,the influence of two protic ILs with different anion([TMGH][Im]and[TMGH][PhO])on the CO_(2)separation performance of the prepared ILs/Pebax blended membranes were systematically investigated at different temperature.The results showed the CO_(2)permeability exhibits the rising trend for ILs/Pebax blended membranes with the increment of IL content.Especially,the[TMGH][Im]with low viscosity and high CO_(2)absorption capacity leads to the blended membranes showing better CO_(2)permeability and ideal CO_(2)selectivity than that of membranes with[TMGH][PhO]at high IL content.Besides,with operating temperature increasing,the gas permeability of 20%(mass)[TMGH][Im]/Pebax blended membrane increases due to the decreasing viscosity of IL and the rising chain mobility of polymer.Inversely,the gas selectivity shows decreasing trend because CO_(2)absorption capacity obviously decreased at higher temperature. | Haiyan Jiang Lu Bai Bingbing Yang Shaojuan Zeng Haifeng Dong Xiangping Zhang | 2022 | Chinese Journal of Chemical Engineering2022，35，3： | 0 |
| 18 | Deconstructing Vibrational Motions on the Potential Energy Surfaces of Hydrogen-Bonded Complexes显示文摘Internal vibrations underlie transient structure formation,spectroscopy,and dynamics.However,at least two challenges exist when aiming to elucidate the contributions of vibrational motions on the potential energy surfaces.One is the acquisition of well-resolved experimental infrared spectra,and the other is the development of efficient theoretical methodologies that reliably predict band positions,relative intensities,and substructures.Here,we report size-specific infrared spectra of ammonia clusters to address these two challenges.Unprecedented agreement between experiment and state-of-the-art quantum simulations reveals that the vibrational spectra are mainly contributed by proton-donor ammonia.A striking Fermi resonance observed at approximately 3210 and 3250 cm^(−1)originates from the coupling of NH symmetric stretch fundamentals with overtones of free and hydrogen-bonded NH bending,respectively.These novel,intriguing findings contribute to a better understanding of vibrational motions in a large variety of hydrogen-bonded complexes with orders of magnitude improvements in spectral resolution,efficiency,and specificity. | Bingbing Zhang Shuo Yang Qian-Rui Huang Shukang Jiang Rongjun Chen Xueming Yang Dong H.Zhang Zhaojun Zhang Jer-Lai Kuo Ling Jiang | 2021 | CCS Chemistry2021，3，1： | 0 |
| 19 | High area-capacity Mg batteries enabled by sulfur/copper integrated cathode design显示文摘Rechargeable Mg batteries potentially display lower cost and competitive energy density compared with their Li-ion counterparts.However,the practical implementation of high area-capacity cathodes still remains a formidably challenging task.This work presents the sulfur/copper integrated cathodes fabricated by the conventional blade-coating process and slurry-dipping method.The sulfur/copper foil integrated cathodes deliver a high area-capacity of 2.6 mAh cm^(-2)after 40 cycles,while the sulfur/copperfoam integrated cathode exhibits an ultrahigh area-capacity of 35.4 mAh cm^(-2),corresponding to 743.1 Wh L^(-1)at the electrode level(1.5 times higher than the LiCoO_(2)-graphite system).The in-situ formed copper sulfide intermediates with sufficient cation defects can act as functional intermediates to regulate the sulfur electrochemistry during the first discharge process.The subsequent cycles are operated by the reversible displacement reaction between Mg-ions and copper sulfide active substances.In particular,the copper ions prefer to extrude along the[001]direction in copper sulfides lattice and simultaneously the rock-salt MgS crystals are generated.Besides,the nonuniform surface topography of the cycled Mgmetal anode,caused by the spatial inhomogeneity in current distribution,is demonstrated to lead to the battery performance degradation for high area-capacity Mg batteries. | Zhenfang Zhou Aobing Du Weijie Kong Zhuang Chen Zhonghua Zhang Bingbing Chen Yitao He Shanmu Dong Zhenjiang Li Guicun Li Guanglei Cui | 2022 | Journal of Energy Chemistry2022，31，9： | 0 |
| 20 | Effect of CO_(2) dilution on laminar burning velocities,combustion characteristics and NO_(x) emissions of CH_(4)/air mixtures显示文摘The laminar combustion characteristics of CH_(4)/air premixed flames with CO_(2) addition are systemically studied.Experimental measurements and numerical simulations of the laminar burning velocity(LBV)are performed in CH_(4)/CO_(2)/Air flames with various CO_(2) doping ratio under equivalence ratios of 1.0–1.4.GRI 3.0 mech and Aramco mech are employed for predicting LBV,adiabatic flame temperature(AFT),important intermediate radicals(CH_(3),H,OH,O)and NO_(x) emissions(NO,NO_(2),N2O),as well as the sensitivity analysis is also conducted.The detail analysis of experiment and simulation reveals that as the CO_(2) addition increases from 0%to 40%,the LBVs and AFTs decrease monotonously.Under the same CO_(2) doping ratio,the LBVs and AFTs increase first and then decrease with the increase of equivalence ratio,and the maximum of LBV is reached at equivalence ratio of 1.05.The mole fraction tendency of important intermediates and NO_(x) with equivalence ratio and CO_(2) doping ratio are similar to the LBVs and AFTs.Reaction H+O_(2)⇔O+OH is found to be responsible for the promotion of the generation of important intermediates and NO_(x) under the equivalence ratios and CO_(2) addition through sensitivity analysis.The sensitivity coefficients of elementary reactions that the increasing of CO_(2) doping ratio promotes or inhibits formation of intermediate radicals and NO_(x) decreases. | Wenlong Dong Longkai Xiang Jian Gao Bingbing Qiu Huaqiang Chu | 2023 | International Journal of Coal Science & Technology2023，10，5： | 0 |
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