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| 1 | Distribution of soil aggregates and organic carbon in deep soil under long-term conservation tillage with residual retention in dryland显示文摘To ascertain the effects of long-term conservation tillage and residue retention on soil organic carbon(SOC) content and aggregate distribution in a deep soil(>20-cm depth) in a dryland environment,this paper analyzed the SOC and aggregate distribution in soil, and the aggregate-associated organic carbon(OC) and SOC physical fractions. Conservation tillage(reduced tillage with residue incorporated(RT) and no-tillage with residue mulch(NT)) significantly increased SOC sequestration and soil aggregation in deep soil compared with conventional tillage with residue removal(CT). Compared with CT, RT significantly increased the proportion of small macroaggregates by 23%–81% in the 10–80 cm layer, and the OC content in small macroaggregates by 1%–58% in the 0–80 cm layer. RT significantly increased(by 24%–90%) the OC content in mineral-SOC within small macroaggregates in the 0–60 cm layer, while there was a 23%–80% increase in the 0–40 cm layer with NT. These results indicated that:(1) conservation tillage treatments are beneficial for soil aggregation and SOC sequestration in a deep soil in a dryland environment; and(2)the SOC in mineral-associated OC plays important roles in soil aggregation and SOC sequestration. In conclusion, RT with NT is recommended as an agricultural management tool in dryland soils because of its role in improving soil aggregation and SOC sequestration. | WANG Bisheng GAO Lili YU Weishui WEI Xueqin LI Jing LI Shengping SONG Xiaojun LIANG Guopeng CAI Dianxiong WU Xueping | 2019 | Journal of Arid Land2019，11，2： | 3 |
| 2 | Porosity Effects on Mechanical Properties of 3D Random Fibrous Materials at Elevated Temperatures显示文摘In this study,we prepare the specimens of three-dimensional random fibrous(3D RF)material along its through-the-thickness(TTT)and in-plane(IP)directions.The experimental tests of tensile and compressive properties as well as fracture toughness of 3D RF material are performed at elevated temperatures.Then,the porosity(83%,87%and 89%)and temperature dependence of the tensile and compressive strength,elastic modulus,fracture toughness and fracture surface energy of the 3D RF materials for both the TTT and IP directions are analyzed.From the results of the tensile strength and elastic modulus versus material porosities at various temperatures,we find that tensile strength and elastic modulus for the TTT direction are more sensitive to the porosity,but not for the IP direction.Fracture toughness increases firstly and then decreases at a certain critical temperature.Such critical temperature is found to be the lowest for the porosity of 83%.On the other hand,at below 1073 K,the temperature-dependent fracture surface energies with three porosities for the TTT direction show similar variation trends. | Datao Li Wenshan Yu Wei Xia Qinzhi Fang Shengping Shen | 2020 | Acta Mechanica Solida Sinica2020，33，1： | 2 |
| 3 | Reconstruction clipping of ruptured anterior circulation aneurysms via supraorbital lateral keyhole approach显示文摘Background:Intracranial aneurysm(IA)is a serious disease.Analyze and review the cases of anterior circulation ruptured IA by supraorbital lateral keyhole approach,and summarize the experiences of this approach.Methods:Retrospective analysis of 16 cases of ruptured anterior circulation IA in our department from January 2019 to June 2020,CT angiography(CTA)was performed before operation.Analyzing the IA’s parameters by 3D-CT reconstruction.The IA was clipped by supraorbital lateral keyhole approach combined with the 3D-skull reconstruction.Extraventricular drainage was performed before craniotomy.Intraoperative neurophysiological monitoring was performed during the operation.After operation,fluorescein angiography and vascular ultrasound were performed to check the clipping effect.Intracranial pressure monitor was performed postoperatively.CTA was reexamined one week after operation.The modified Rankin Scale(MRS)was performed 6 months after operation.Results:There were 7 males(43.8%)and 9 females(56.2%),and the average age is 52.31±11.12 years old.Among them,11 patients(68.8%)were anterior communicating artery aneurysms and 5(31.2%)were middle cerebral artery aneurysms.All patients were out of hospital within 10 days without any death,without cerebral infarction,cerebrospinal fluid leakage and neurological impairments.About mRS score,after 6 months follow-up,8 cases(50%)had 0 point,4 cases(25%)had 1 point,and 4 cases(25%)had 2 points.Conclusions:For ruptured anterior circulation IA,the supraorbital lateral keyhole approach combined with ventricular drainage,intraoperative electrophysiological monitoring,and intraoperative vascular ultrasound is a safe and minimally invasive treatment.The application of reconstruction clipping can reconstruct the diameter of parent vessel and reduce the recurrence rate of IA. | Yuzhang Wu Yan Zhao Shengping Yu Fan Li Shifei Cai Chao Peng Zhen Wang Yifan Yang Bangyue Wang Xinyu Yang | 2022 | Chinese Neurosurgical Journal2022，8，2： | 2 |
| 4 | Central role of myeloid MCPIP1 in protecting against LPSinduced inflammation and lung injury显示文摘Although systemic inflammatory responses attributable to infection may lead to significant lung injury,the precise molecular mechanisms leading to lung damage are poorly understood and therapeutic options remain limited.Here,we show that myeloid monocyte chemotactic protein-inducible protein 1(MCPIP1)plays a central role in protecting against LPS-induced inflammation and lung injury.Myeloid-specific MCPIP1 knockout mice developed spontaneous inflammatory syndromes,but at a late age compared to global MCPIP1 knockout mice.Moreover,mice with a myeloid-specific deletion of MCPIP1 were extremely sensitive to LPS-induced lung injury due to overproduction of proinflammatory cytokines and chemokines.We identified C/EBPβand C/EBPδ,two critical transcriptional factors that drive cytokine production and lung injury,as targets of MCPIP1 RNase.LPS administration caused MCPIP1 protein degradation in the lungs.Pharmacological inhibition of MALT1,a paracaspase that cleaves MCPIP1,by MI-2 selectively increased the MCPIP1 protein levels in macrophages and in the lungs.Meanwhile,administration of MI-2 protected mice from LPS-induced inflammation,lung injury and death.Collectively,these results indicate that myeloid MCPIP1 is central in controlling LPS-induced inflammation and lung injury.Pharmacological inhibition of MALT1 protease activity may be a good strategy to treat inflammatory diseases by enhancing MCPIP1 expression in myeloid cells. | Yong Li Xuan Huang Shengping Huang Hui He Tianhua Lei Fatma Saaoud Xiao-Qiang Yu Ari Melnick Anil Kumar Christopher J Papasian Daping Fan Mingui Fu | 2017 | Signal Transduction and Targeted Therapy2017，2，1： | 2 |
| 5 | Transcriptome characterization of Ishige okamurae(Phaeophyceae)shows strong environmental acclimation显示文摘Ishige okamurae,with leathery branched narrow fronds consisting of cylindrical hairs,is the typical species of the genus Ishige,which is considered as one of the most basal genera in the phylogeny of the Phaeophyceae.Apart from great public interest from the evolutionary respect,more attention has been brought on the abundant bioactive compounds in I.okamurae for therapeutic or economic considerations,such as diphlorethohydroxycarmalol and ishigoside.Yet little is known about related key genes or metabolic pathways involved in I.okamurae,which calls upon us to carry out global analyses of transcriptome by next generation sequencing.Altogether,we obtained 78 583 assembled scaffolds with N50 of 1 709 nucleotides,and 25 357 unigenes with significant BLAST matches(E-value cutoff of 10-5).In terms of characterization of the transcriptome of I.okamurae,we focused on anti-stress metabolic pathways and synthetic routes of bioactive compounds in an attempt to obtain a better understanding of the interactive organism-environment regulatory networks.Pathway-based analysis helped us to deepen our comprehension of the interaction between I.okamurae and its surroundings,with MAPK signal pathway as an example.Furthermore,we discovered a wide range of novel putative functional proteins that could be of wide application,such as Rab family,using sequence-based transcriptome.In conclusion,transcriptome characterization of I.okamurae(Phaeophyceae) shows strong environmental acclimation. | QU Jieqiong WANG Xumin CHI Shan WU Shuangxiu SUN Jing LIU Cui CHEN Shengping YU Jun LIU Tao | 2014 | Acta Oceanologica Sinica2014，33，2： | 1 |
| 6 | Analysis of Saccharina japonica transcriptome using the high-throughput DNA sequencing technique and its vanadium-dependent haloperoxidase gene显示文摘Saccharina is one of the most important cold-water living marine brown algal genera.In this study we analyzed the transcriptome of S.japonica,which belongs to the 1 000 Plants(OneKP) Project,by using a nextgeneration high-throughput DNA sequencing technique.About 5.16 GB of raw data were generated,and 65 536 scaffolds with an average length of 454 bp were assembled with SOAP de novo assembly method.In total,19 040 unigenes were identified by BLAST;25 734 scaffolds were clustered into 37 Gene ontology functional groups;6 760 scaffolds were classified into 25 COG categories,as well as 2 665 scaffolds that were assigned to 306 KEGG pathways.Majority of the unigenes exhibited more similarities to algae including brown algae and diatom than other cyanobacteria,marine diatom,and plant.Saccharina japonica has the outstanding capability to accumulate halogen such as Br and I via halogenation processes from seawater.We acquired 42 different vanadium-dependent haloperoxidases(vHPO) in S.japonica transcriptome data,including 5 segments of vanadium-dependent iodoperoxidase(vIPO) and 37 segments of vanadium-dependent bromoperoxidase(vBPO).Complicated analyses of identified fulllength S.japonica vBPO1 and S.japonica vBPO2 revealed the importance of vBPO among species of brown algae and the strong relationship between marine algal vBPOs and vIPOs.This study will enhance our understanding of the biological characteristics and economic values of S.japonica species. | LIANG Xiayuan WANG Xumin CHI Shan WU Shuangxiu SUN Jing LIU Cui CHEN Shengping YU Jun LIU Tao | 2014 | Acta Oceanologica Sinica2014，33，2： | 1 |
| 7 | A1 and/or Ni-doped nanomanganese dioxide with anisotropic expan- sion and their electrochemical characterisation in primary Li-MnO2 batteries 显示文摘 | Zeng Jian Wang Shengping Yu Jingxian | 2014 | Journal of Solid State Electro- chemistry2014，18，6： | 1 |
| 8 | Origin and evolution of alginate-c5-mannuronan-epimerase gene based on transcriptomic analysis of brown algae显示文摘The coding product of alginate-c5-mannuronan-epimerase gene(algG gene) can catalyze the conversion of mannuronate to guluronate and determine the M/G ratio of alginate.Most of the current knowledge about genes involved in the alginate biosynthesis comes from bacterial systems.In this article,based on some algal and bacterial algG genes registered on GenBank and EMBL databases,we predicted 94 algG genes open reading frame(ORF) sequences of brown algae from the 1 000 Plant Transcriptome Sequencing Project(OneKP).By method of transcriptomic sequence analysis,gene structure and gene localization analysis,multiple sequence alignment and phylogenetic tree construction,we studied the algal algG gene family characteristics,the structure modeling and conserved motifs of AlgG protein,the origin of alginate biosynthesis and the variation incidents that might have happened during evolution in algae.Although there are different members in the algal algG gene family,almost all of them harbor the conserved epimerase region.Based on the phylogenetic analysis of algG genes,we proposed that brown algae acquired the alginate biosynthesis pathway from an ancient bacterium by horizontal gene transfer(HGT).Afterwards,followed by duplications,chromosome disorder,mutation or recombination during evolution,brown algal algG genes were divided into different types. | WANG Ren WANG Xumin ZHANG Yalan YU Jun LIU Tao CHEN Shengping CHI Shan | 2014 | Acta Oceanologica Sinica2014，33，2： | 1 |
| 9 | The discovery of archaea origin phosphomannomutase in algae based on the algal transcriptome显示文摘Phosphomannomutase(PMM;EC 5.4.2.8) is an enzyme that catalyzes the interconversion reaction between mannose-6-phosphate and mannose-1-phosphate.However,its systematic molecular and functional investigations in algae have not hitherto been reported.In this work,with the accomplishment of the 1 000 Plant Project(OneKP) in which more than 218 species of Chromista,including 19 marine phaeophytes,22 marine rhodophytes,171 chlorophytes,5 cryptophytes,4 haptophytes,and 5 glaucophytes were sequenced,we used a gene analysis method to analyze the PMM gene sequences in algae and confirm the existence of the PMM gene in the transcriptomic sequencing data of Rhodophyta and Ochrophyta.Our results showed that only one type of PMM with four conserved motifs exists in Chromista which is similar to human PMM.Moreover,the phylogenetic tree revealed that algae PMM possibly originated from archaea. | FENG Yanjing CHI Shan LIU Cui CHEN Shengping YU Jun WANG Xumin LIU Tao | 2014 | Acta Oceanologica Sinica2014，33，2： | 1 |
| 10 | Single-cell brain atlas of Parkinson's disease mouse model显示文摘Parkinson's disease(PD)is a neurodegenerative disease,leading to the impairment of movement execution.PD pathogenesis has been largely investigated,either limited to bulk transcriptomic levels or at certain cell types,which failed to capture the cellular heterogeneity and intrinsic interplays among distinct cell types.Here,we report the application of single-nucleus RNA-seq on midbrain,striatum,and cerebellum of theα-syn-A53 T mouse,a well-established PD mouse model,and matched controls,generating the first single cell transcriptomic atlas for the PD model mouse brain composed of 46,174 individual cells.Additionally,we comprehensively depicte the dysfunctions in PD pathology,covering the elevation of NF-k B activity,the alteration of ion channel components,the perturbation of protein homeostasis network,and the dysregulation of glutamatergic signaling.Notably,we identify a variety of cell types closely associated with PD risk genes.Taken together,our study provides valuable resources to systematically dissect the molecular mechanism of PD pathogenesis at the single-cell resolution,which facilitates the development of novel approaches for diagnosis and therapies against PD. | Jixing Zhong Gen Tang Jiacheng Zhu Weiying Wu Ge Li Xiumei Lin Langchao Liang Chaochao Chai Yuying Zeng Feiyue Wang Lihua Luo Jiankang Li Fang Chen Zhen Huang Xiuqing Zhang Yu Zhang Hongde Liu Xin Qiu Shengping Tang Dongsheng Chen | 2021 | Journal of Genetics and Genomics2021，48，4： | 1 |
| 11 | Screening for musculoskeletal system malformations and birth injuries in newborns:Results of a screening program in two hospitals in Shenzen,China显示文摘Importance:There are a variety of musculoskeletal malformations and injuries that can occur in newborns.These can be a significant cause of perinatal death or a reason for miscarriage and can lead to long-term functional issues if not managed appropriately.There is no systematic and well-established screening program for neonatal musculoskeletal malformations and injuries in China now.Objective:To report the incidence and types of congenital musculoskeletal malformations in two hospitals in Shenzhen City,to explore and discuss the details of the screening procedure and improve future prevention and treatment.Methods:From October 2013 to May 2014,2564 one-day-old newborns were screened by a pediatric orthopedic physical examination,in combination with ultrasonography when required,and the incidence and variety of diseases were recorded statistically.Results:Among 2564 screened newborns,the following musculoskeletal conditions were identified:congenital muscular torticollis(CMT)(seven cases,0.27%),hip subluxation(four cases,0.16%),hip dysplasia(47 cases,1.83%),congenital talipes equinovarus(CTEV)(two cases,0.08%),congenital talipes calcaneovalgus(15 cases,0.58%),polydactyly(nine cases,0.35%),syndactyly(one case,0.04%),and spinal hemivertebra(one case,0.04%).Additionally,there were five(0.19%)neonates with birth injuries.Interpretation:It is feasible to carry out neonatal screening and identification of musculoskeletal malformations and birth injuries in China.This is helpful as timely detection and early intervention for many of these conditions can avoid permanent functional impairment in these children. | Zhu Xiong Zhenhui Zhao Hansheng Deng Xin Qiu Weiqing Li Xiaodi Chen Yu Tang Shuai Han Jiaxin Zhao Ting Cai Xian Liu Shuaidan Zeng Shengping Tang | 2022 | Pediatric Investigation2022，6，3： | 1 |
| 12 | Guidelines for the diagnosis and treatment of acute pancreatitis in China (2021)显示文摘Acute pancreatitis(AP)is a common acute abdominal condition of the digestive system.In recent years,treatment concepts,methods,and strategies for the diagnosis of AP have advanced,and this has played an important role in promoting the standardization of AP diagnosis and treatment and improving the treatment quality of AP patients.On the basis of previous guidelines and expert consensus,this guideline adopts an evidence-based,problem-based expression;synthesizes important clinical research data at home and abroad in the most recent 5 years;and forms 29 recommendations through multidisciplinary expert discussion,including diagnosis,treatment,and follow-up.It is expected to provide evidence support for the treatment of AP in the clinical setting in China. | Fei Li Shouwang Cai Feng Cao Rufu Chen Deliang Fu Chunlin Ge Chunyi Hao Jihui Hao Heguang Huang Zhixiang Jian Gang Jin Ang Li Haimin Li Shengping Li Weiqin Li Yixiong Li Tingbo Liang Xubao Liu Wenhui Lou Yi Miao Yiping Mou Chenghong Peng Renyi Qin Chenghao Shao Bei Sun Guang Tan Xiaodong Tian Huaizhi Wang Lei Wang Wei Wang Weilin Wang Junmin Wei Heshui Wu Wenming Wu Zheng Wu Changqing Yan Yinmo Yang Xiaoyu Yin Xianjun Yu Chunhui Yuan Taiping Zhang Yupei Zhao on behalf of the Chinese Pancreatic Surgery Association | 2021 | Journal of Pancreatology2021，4，2： | 1 |
| 13 | Molecular basis of heterosis and related breeding strategies reveal its importance in vegetable breeding显示文摘Heterosis has historically been exploited in plants;however,its underlying genetic mechanisms and molecular basis remain elusive.In recent years,due to advances in molecular biotechnology at the genome,transcriptome,proteome,and epigenome levels,the study of heterosis in vegetables has made significant progress.Here,we present an extensive literature review on the genetic and epigenetic regulation of heterosis in vegetables.We summarize six hypotheses to explain the mechanism by which genes regulate heterosis,improve upon a possible model of heterosis that is triggered by epigenetics,and analyze previous studies on quantitative trait locus effects and gene actions related to heterosis based on analyses of differential gene expression in vegetables.We also discuss the contributions of yield-related traits,including flower,fruit,and plant architecture traits,during heterosis development in vegetables(e.g.,cabbage,cucumber,and tomato).More importantly,we propose a comprehensive breeding strategy based on heterosis studies in vegetables and crop plants.The description of the strategy details how to obtain F_(1) hybrids that exhibit heterosis based on heterosis prediction,how to obtain elite lines based on molecular biotechnology,and how to maintain heterosis by diploid seed breeding and the selection of hybrid simulation lines that are suitable for heterosis research and utilization in vegetables.Finally,we briefly provide suggestions and perspectives on the role of heterosis in the future of vegetable breeding. | Daoliang Yu Xingfang Gu Shengping Zhang Shaoyun Dong Han Miao Kiros Gebretsadik Kailiang Bo | 2021 | Horticulture Research2021，8，1： | 1 |
| 14 | Chemo-mechanical coupling effect in the high-temperature oxidation of metal materials: A review显示文摘The metal materials are susceptible to be oxidized when they are exposed to the complex and harsh environments, especially at the elevated temperature. The development of corresponding chemo-mechanical coupling theory is indispensable in theoretically and numerically predicting the material properties reduction and failures due to the oxidation. In this paper, we review the historical sketch of the coupling theory of chemical reactions and mechanics in the high-temperature oxidation of metal materials. The oxidation results in the stress generation while the generated stress in turn affects the chemical reaction rate and the diffusion process of the reactants. It is therefore a complex chemo-mechanical coupling problem. This review begins with the discussion of the diffusion-controlled oxidation, and then discusses the stress-dependent diffussion during the oxidation and the oxide growth induced stress, and ends with the discussion of interaction between chemical reactions and stress. This review of chemo-mechanical coupling literature is not exhaustive;we review much of the fundamental literature and draw comparisons of coupling theory development in the filed of metal oxidation. | WANG HaiLong YU WenShan SHEN ShengPing | 2019 | Science China(Technological Sciences)2019，62，8： | 1 |
| 15 | Performance improvement of inverted polymer solar cells thermally evaporating nickel oxide as an anode buffer layer显示文摘 | Wenjuan Yu Liang Shen Shengping Ruan Fanxu Meng Jialue Wang Enrui Zhang Weiyou Chen | 2011 | Solar Energy Materials and Solar Cells2011，，： | 1 |
| 16 | Stabilizing mechanism of single-atom catalysts on a defective carbon surface显示文摘Single-atom(SA)catalysts represent the ultimate limit of atom use efficiency for catalysis.Promising experimental progress in synthesizing SA catalysts aside,the atomic-scale transformation mechanism from metal nanoparticles(NPs)to metal SAs and the stabilization mechanism of SA catalysts at high temperature remain elusive.Through systematic molecular dynamics simulations,for the first time,we reveal the atomic-scale mechanisms associated with the transformation of a metal NP into an array of stable SAs on a defective carbon surface at a high temperature,using Au as a model material.Simulations reveal the pivotal role of defects in the carbon surface in trapping and stabilizing the Au-SAs at high temperatures,which well explain previous experimental observations.Furthermore,reactive simulations demonstrate that the thermally stable Au-SAs exhibit much better catalyst activity than Au-NPs for the methane oxidation at high temperatures,in which the substantially reduced energy barriers for oxidation reaction steps are the key.Findings in this study offer mechanistic and quantitative guidance for material selection and optimal synthesis conditions to stabilize metal SA catalysts at high temperatures. | Lianping Wu Shuling Hu Wenshan Yu Shengping Shen Teng Li | 2020 | npj Computational Materials2020，，1： | 0 |
| 17 | Air pressure law of a reservoir constructed in karst sinkholes显示文摘Karst sinkholes with natural negative landform provide favorable conditions for the pumped storage reservoir construction for less excavation work.However,the construction of the reservoir would plug the natural karst channels for water and air,which would cause remarkable air pressure in karst channels when the groundwater level fluctuates.A large laboratory simulation test was carried out to study the air pressure variation of a reservoir built on the karst sinkhole.The air pressure in the karst channel and inside the model was monitored during the groundwater rising and falling process.Result showed that the variation of air pressure in the karst channel and the surrounding rock exhibited a high degree of similarity.The air pressure increased rapidly at the initial stage of water level rising,followed by a slight decrease,then the air pressure increased sharply when the water level approached the top of the karst cave.The initial peak of air pressure and the final peak of air pressure were defined,and both air pressure peaks were linearly increasing with the water level rising rate.The negative air pressure was also analyzed during the drainage process,which was linearly correlated with the water level falling rate.The causes of air pressure variation in karst channels of a pumped storage reservoir built on the karst sinkhole were discussed.The initial rapid increase,then slight decrease and final sudden increase of air pressure were controlled by the combined effects of air compression in karst channel and air seepage into the surrounding rock.For the drainage process,the instant negative air pressure and gradual recovering of air pressure were controlled by the combined effects of negative air pressure induced by water level falling and air supply from surrounding rock.This work could provide valuable reference for the reservoir construction in karst area. | YU Bo TAI Shengping ZHENG Kexun CHEN Shiwan HAN Xiao WANG Senlin ZUO Shuangying | 2024 | Journal of Mountain Science2024，21，3： | 0 |
| 18 | Consensus of clinical diagnosis and treatment for non-functional pancreatic neuroendocrine neoplasms with diameter<2 cm显示文摘In clinical practice,pancreatic neuroendocrine neoplasms(pNENs)with a diameter smaller than 2 cm are commonly referred to as small pNENs.Due to their generally favorable biological characteristics,the diagnosis and treatment of small pNENs differ from other pNENs and are somewhat controversial.In response to this,the Chinese Pancreatic Surgery Association,Chinese Society of Surgery,Chinese Medical Association have developed a consensus on the diagnosis and treatment of small pNENs,which is based on evidence-based medicine and expert opinions.This consensus covers various topics,including concepts,disease assessment,treatment selection,follow-up,and other relevant aspects. | Wu Wenming Cai Shouwang Chen Rufu Fu Deliang Ge Chunlin Hao Chunyi Hao Jihui Huang Heguang Jian Zhixiang Jin Gang Li Fei Li Haimin Li Shengping Li Weiqin LiYixiong Liang Tingbo Liu Xubao Lou Wenhui Miao Yi Mou Yiping Peng Chenghong Qin Renyi Shao Chenghao Sun Bei Tan Guang Wang Huaizhi Wang Lei Wang Wei Wang Weilin Wei Junmin Wu Heshui Wu Zheng Yan Changqing Yang Yinmo Yin Xiaoyu Yu Xianjun Yuan Chunhui Zhao Yupei | 2023 | Journal of Pancreatology2023，6，3： | 0 |
| 19 | Electrochemical synthesis of 3-azido-indolines from amino-azidation of alkenes显示文摘An electrochemical amino-azidation of 2-aminostyre ne with sodium azide(NaN3)was developed,which can be carried out smoothly in water under metal-free condition,affording a series of 3-azido indolines with high yields. | Shengping Guo Liyan Liu Kangfei Hu Qi Sun Zhenggen Zha Yu Yang Zhiyong Wang | 2021 | Chinese Chemical Letters2021，32，3： | 0 |
| 20 | Shear response of β-SiC bulk dependent on temperature and strain rate显示文摘The shear responses of β-SiC are investigated using molecular dynamics simulation with the Tersoff interatomic potential. Results show a clear decreasing trend in critical stress,fracture strain and shear modulus as temperature increases. Above a critical temperature, β-SiC bulk just fractures after the elastic deformation. However, below the critical temperature, an interesting pattern in β-SiC bulk emerges due to the elongation of Si-C bonds before fracture. Additionally, the shear deformation of β-SiC at room temperature is found to be dependent on the strain rate. This study may shed light on the deformation mechanism dependent on temperature and strain rate. | Liang Wang Qunfeng Liu Wenshan Yu Shengping Shen | 2017 | Acta Mechanica Solida Sinica2017，30，2： | 0 |
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