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| 1 | Puerarin protects brain tissue against cerebral ischemia/reperfusion injury by inhibiting the inflammatory response显示文摘Puerarin, a traditional Chinese medicine, exerts a powerful neuroprotective effect in cerebral ischemia/reperfusion injury, but its mechanism is unknown. Here, we established rat models of middle cerebral artery ischemia/reperfusion injury using the suture method. Puerarin(100 mg/kg) was administered intraperitoneally 30 minutes before middle cerebral artery occlusion and 8 hours after reperfusion. Twenty-four hours after reperfusion, we found that puerarin significantly improved neurological deficit, reduced infarct size and brain water content, and notably diminished the expression of Toll-like receptor-4, myeloid differentiation factor 88, nuclear factor kappa B and tumor necrosis factor-α in the ischemic region. These data indicate that puerarin exerts an anti-inflammatory protective effect on brain tissue with ischemia/reperfusion damage by downregulating the expression of multiple inflammatory factors. | Feng Zhou Liang Wang Panpan Liu Weiwei Hu Xiangdong Zhu Hong Shen Yuanyuan Yao | 2014 | Neural Regeneration Research2014，9，23： | 27 |
| 2 | Review of the characteristics and graded utilisation of coal gasification slag显示文摘The characteristics of the energy structure of rich coal,less oil and less gas,coupling with a high external dependence on oil and natural gas and the emphasis on the efficient and clean utilisation of coal,have brought opportunities for coal chemical industry.However,with the large-scale popularisation of coal gasification technology,the production and resulting storage of coal gasification slag continue to increase,which not only result in serious environmental pollution and a waste of terrestrial resources,but also seriously affect the sustainable development of coal chemical enterprises.Hence,the treatment of coal gasification slag is extremely important.In this paper,the production,composition,morphology,particle size structure and water holding characteristics of coal gasification slag are introduced,and the methods of carbon ash separation of gasification slag,both domestically and abroad,are summarised.In addition,the paper also summarises the research progress on gasification slag in building materials,ecological restoration,residual carbon utilisation and other high-value utilisation,and ultimately puts forward the idea of the comprehensive utilisation of gasification slag.For large-scale consumption to solve the environmental problems of enterprises and achieve high-value utilisation to increase the economic benefits of enterprises,it is urgent to zealously design a reasonable and comprehensive utilisation technologies with simple operational processes,strong adaptability and economic benefits. | Xiaodong Liu Zhengwei Jin Yunhuan Jing Panpan Fan Zhili Qi Weiren Bao Jiancheng Wang Xiaohui Yan Peng Lv Lianping Dong | 2021 | Chinese Journal of Chemical Engineering2021，34，7： | 21 |
| 3 | A Facile One-Step Synthesis of TiOe/Graphene Composites for Photodegradation of Methyl Orange显示文摘 | Haijiao Zhang Panpan Xu Guidong Du Zhiwen Chen Kokyo Oh Dengyu Pan Zheng Jiao | 2011 | Nano Research2011，4，3： | 21 |
| 4 | Rocky Desertification Risk Zone Delineation in Karst Plateau Area:A Case Study in Puding County,Guizhou Province显示文摘Karst rocky desertification is a geo-ecological problem in Southwest China.The rocky desertification risk zone delineation could be used as a guide for the regional and hierarchical rocky desertification management and prevention.We chose the middle and lower reaches of the Houzhai underground basin on the karst plateau in Puding County, Guizhou Province, China as the study area and selected land use type, elevation, slope, aspect, lithology and settlement buffer as the main driving factors of the rocky desertification.The potential risk of rocky desertification was quantified with the factor-weights union method and statistical analysis method.Five grades of rocky desertification risk were delineated based on Geographic Information System.The extremely low, low, moderate, high and extremely high rocky desertification risk zones accounted for 5.01%, 44.17%, 33.92%, 15.59% and 1.30%, respectively.As a whole, the rocky desertification risk level was moderate because the area of low and moderate rocky desertification risk zones occupied 78.09% of the study area.However, more than half of the area(about 50.81%) was predicted to have moderate rocky desertification risk and above, indicating that the study area was subject to rocky desertification.Rocky desertification risk was higher in the southeast and lower in the northwest of the study area.Distinct differences in the distribution of rocky desertification risk zones corresponding to different factors have been found. | ZHANG Panpan HU Yuanman XIAO Duning LI Xiuzhen YIN Jie HE Hong S | 2010 | Chinese Geographical Science2010，20，1： | 15 |
| 5 | Assessment of diurnal variation of summer precipitation over the Qilian Mountains based on an hourly merged dataset from 2008 to 2014显示文摘调查日报在在向东北西藏的高原的 Qilian 山的夏天降水的变化,时时,为这个区域的降水数量在 0.1 点用一个时时合并的降水产品在 2008-2014 的夏天期间被分析 ? 湵慦潶慲汢? 諟D禎澞?汣浩瑡 ? 档湡敧椠?? | LIU Xuemei ZHANG Mingjun WANG Shengjie WANG Jie ZHAO Peipei ZHOU Panpan | 2017 | Journal of Geographical Sciences2017，27，3： | 14 |
| 6 | Establishment of pseudovirus infection mouse models for in vivo pharmacodynamics evaluation of filovirus entry inhibitors显示文摘Filoviruses cause severe and fatal viral hemorrhagic fever in humans. Filovirus research has been extensive since the 2014 Ebola outbreak. Due to their high pathogenicity and mortality, live filoviruses require Biosafety Level-4(BSL-4) facilities, which have restricted the development of anti-filovirus vaccines and drugs.An HIV-based pseudovirus cell infection assay is widely used for viral entry studies in BSL-2 conditions. Here,we successfully constructed nine in vitro pseudo-filovirus models covering all filovirus genera and three in vivo pseudo-filovirus-infection mouse models using Ebola virus, Marburg virus, and Lloviu virus as representative viruses. The pseudo-filovirus-infected mice showed visualizing bioluminescence in a dose-dependent manner. A bioluminescence peak in mice was reached on day 5 post-infection for Ebola virus and Marburg virus and on day4 post-infection for Lloviu virus. Two known filovirus entry inhibitors, clomiphene and toremiphene, were used to validate the model. Collectively, our study shows that all genera of filoviruses can be well-pseudotyped and are infectious in vitro. The pseudo-filovirus-infection mouse models can be used for in vivo activity evaluation of anti-filovirus drugs. This sequential in vitro and in vivo evaluation system of filovirus entry inhibitors provides a secure and efficient platform for screening and assessing anti-filovirus agents in BSL-2 facilities. | Qing Chen Ke Tang Xiaoyu Zhang Panpan Chen Ying Guo | 2018 | Acta Pharmaceutica Sinica B2018，8，2： | 10 |
| 7 | Broken Rotor Bar Fault Diagnosis of Induction Motors Using a Hybrid Bare-bones Particle Swarm Optimization Algorithm显示文摘在传统定子电流频谱分析中,感应电机转子断条故障特征经常被基波分量淹没而无法准确检测。针对该问题,提出一种基于混合骨干微粒群优化算法的转子断条故障诊断新方法。该方法首先根据电流信号与单位余弦基函数的内积最大准则,利用混合骨干微粒群算法强大的全局搜索能力,准确估计出基波波形参数;然后利用波形参数构造出基波表达式,并将其从原电流信号中剔除,达到突出故障特征的目的。针对微粒群算法在进化后期收敛缓慢的缺点,通过K–均值聚类方式,引入单纯形法对其进行改进,使整个算法的广度探索与深度开发能力得到了有效均衡。最后,对模拟数据和实测信号进行实验,结果验证了所提方法的有效性和优越性。 | WANG Panpan SHI Liping ZHANG Yong HAN Li | 2012 | 中国电机工程学报2012，32，30： | 10 |
| 8 | Purification and Characterization of a New Thermostable κ-CarrageenasefromtheMarineBacterium Pseudoalteromonas sp. QY203显示文摘A new extracellular κ-carrageenase, namely CgkP, 34.0 kDa in molecular weight, was purified from Pseudoalteromonas sp. QY203. CgkP showed relatively high activity at acidities ranging from pH6.0 to pH9.0 and temperatures ranging from 30℃ to 50℃ with the highest activity at 45℃ and pH7.2. Sodium chloride increased its activity markedly, and KCl increased its activity slightly. The divalent and trivalent metal ions including Cu2+ , Ni2+ , Zn2+ , Mn2+ , Al3+ and Fe3+ significantly inhibited its activity, while Mg2+ did not. CgkP remained 70% of original activity after being incubated at 40℃ for 48 h, and remained 80% of the activity after being incubated at 45℃ for 1 h. It exhibited endo-κ-carrageenase activity, mainly depolymerizing the κ-carrageenan into disaccharide and tetrasaccharide. CgkP was more thermostable than most of previously reported κ-carrageenases with a potential of being used in industry. | LI Shangyong JIA Panpan WANG Linna YU Wengong HAN Feng | 2013 | Journal of Ocean University of China2013，12，1： | 10 |
| 9 | Edge Bundling in Information Visualization显示文摘The edge, which can encode relational data in graphs and multidimensional data in parallel coordinates plots, is an important visual primitive for encoding data in information visualization research. However, when data become very large, visualizations often suffer from visual clutter as thousands of edges can easily overwhelm the display and obscure underlying patterns. Many edge-bundling techniques have been proposed to reduce visual clutter in visualizations. In this survey, we briefly introduce the visual-clutter problem in visualizations. Thereafter, we review the cost-based, geometry-based, and image-based edge-bundling methods for graphs, parallel coordinates, and flow maps. We then describe the various visualization applications that use edge-bundling techniques and discuss the evaluation studies concerning the effectiveness of edge-bundling methods. An edge-bundling taxonomy is proposed at the end of this survey. | Hong Zhou Panpan Xu Xiaoru Yuan Huamin Qu | 2013 | Tsinghua Science and Technology2013，18，2： | 8 |
| 10 | Resorbable polymer electrospun nanofibers:History,shapes and application for tissue engineering显示文摘Resorbable polymer electrospun nanofiber-based materials/devices have high surface-to-volume ratio and often have a porous structure with excellent pore interconnectivity,which are suitable for growth and development of different types of cells.Due to the huge advantages of both resorbable polymers and electrospun nano fibers,re sorbable polymer electrospun nanofibers(RPENs)have been widely applied in the field of tissue engineering.In this paper,we will mainly introduce RPENs for tissue engineering.Firstly,the electrospinning technique and electrospun nanofiber architectures are briefly introduced.Secondly,the application of RPENs in the field of tissue engineering is mainly reviewed.Finally,the advantages and disadvantages of RPENs for tissue engineering are discussed.This review will provide a comprehensive guide to apply resorbable polymer electrospun nanofibers for tissue engineering. | Tingting Wu Mengzhen Ding Cuiping Shi Yiqun Qiao Panpan Wang Ruirui Qiao Xichang Wang Jian Zhong | 2020 | Chinese Chemical Letters2020，31，3： | 8 |
| 11 | Concurrent chemoradiotherapy comparison of taxanes and platinum versus 5-fluorouracil and platinum in nasopharyngeal carcinoma treatment显示文摘 | Chen Xichuang Hong Yuan Feng Jinhua Ye Jianlin Zheng Panpan Guan Xiyin You Xiaohong Song Huizhu | 2014 | Chinese Medical Journal2014，，1： | 8 |
| 12 | Increased leptin by hypoxic-preconditioning promotes autophagy of mesenchymal stem cells and protects them from apoptosis显示文摘Autophagy is the basic catabolic progress involved in cell degradation of unnecessary or dysfunctional cellular components.It has been proven that autophagy could be utilized for cell survival under stresses.Hypoxic-preconditioning(HPC)could reduce apoptosis induced by ischemia and hypoxia/serum deprivation(H/SD)in bone marrow-derived mesenchymal stem cells(BMSCs).Previous studies have shown that both leptin signaling and autophagy activation were involved in the protection against apoptosis induced by various stress,including ischemia-reperfusion.However,it has never been fully understood how leptin was involved in the protective effects conferred by autophagy.In the present study,we demonstrated that HPC can induce autophagy in BMSCs by increased LC3-II/LC3-I ratio and autophagosome formation.Interestingly,similar effects were also observed when BMSCs were pretreated with rapamycin.The beneficial effects offered by HPC were absent when BMSCs were incubated with autophagy inhibitor,3-methyladenine(3-MA).In addition,down-regulated leptin expression by leptin-shRNA also attenuated HPC-induced autophagy in BMSCs,which in turn was associated with increased apoptosis after exposed to sustained H/SD.Furthermore,increased AMP-activated protein kinase phosphorylation and decreased mammalian target of rapamycin phosphorylation that were observed in HPC-treated BMSCs can also be attenuated by down-regulation of leptin expression.Our data suggests that leptin has impact on HPC-induced autophagy in BMSCs which confers protection against apoptosis under H/SD,possibly through modulating both AMPK and mTOR pathway. | WANG LiHan HU XinYang ZHU Wei JIANG Zhi ZHOU Yu CHEN PanPan WANG JianAn | 2014 | Science China(Life Sciences)2014，57，2： | 8 |
| 13 | Association of cystatin C level and cardiovascular prognosis for patients with preexisting coronary heart disease:a meta-analysis显示文摘The association of circulating levels of cystatin C(CysC)and risk of recurrent cardiovascular events in patients with preexisting coronary heart disease are uncertain.To qualitatively and quantitatively address this issue,we performed a random meta-analysis of results from prospective studies on the topic.We searched electronic and printed sources(up to 16 October 2011)using keywords and retrieved articles for seven prospective studies according to the selection criteria.Data were abstracted and meta-analysis was performed using the random-effects model(RevMan 5.0.23 software).The cohorts involved 4,576 patients with preexisting coronary heart disease(CHD)and normal or mild chronic kidney disease,and follow-up ranged from 5.6 to 40.6 months.Highest versus lowest baseline CysC level was significantly associated with increased risk of cardiovascular events(OR 2.30,95%CI 1.80–2.94),all-cause mortality(OR 5.69,95%CI 3.70–8.74),but not with recurrent MI(OR 1.75,95%CI 0.77–4.00).In heterogeneity testing for studies reporting cardiovascular events and all-cause mortality,no significant heterogeneity was found,and exclusion of any single study did not alter the overall finding.For risk of recurrent MI,significant heterogeneity was found among the five trials(v2=13.16,P=0.01,I2=70%)and exclusion of the Taglieri et al.[12]study from the analysis resulted in a rise in relative risk(OR 2.36,95%CI 1.09–5.15).In conclusion,for patients with established CHD,high baseline level of CysC is associated with increased risk of cardiovascular events and all-cause death during long-term follow-up. | Ruijian Li Panpan Hao Yuguo Chen Yun Zhang | 2014 | Chinese Science Bulletin2014，59，5： | 8 |
| 14 | Inactivation of SACE_3446, a TetR family transcriptional regulator, stimulates erythromycin production in Saccharopolyspora erythraea显示文摘Erythromycin A is a widely used antibiotic produced by Saccharopolyspora erythraea;however,its biosynthetic cluster lacks a regulatory gene,limiting the yield enhancement via regulation engineering of S.erythraea.Herein,six TetR family transcriptional regulators(TFRs)belonging to three genomic context types were individually inactivated in S.erythraea A226,and one of them,SACE_3446,was proved to play a negative role in regulating erythromycin biosynthesis.EMSA and qRT-PCR analysis revealed that SACE_3446 covering intact N-terminal DNA binding domain specifically bound to the promoter regions of erythromycin biosynthetic gene eryAI,the resistant gene ermE and the adjacent gene SACE_3447(encoding a longchain fatty-acid CoA ligase),and repressed their transcription.Furthermore,we explored the interaction relationships of SACE_3446 and previously identified TFRs(SACE_3986 and SACE_7301)associated with erythromycin production.Given demonstrated relatively independent regulation mode of SACE_3446 and SACE_3986 in erythromycin biosynthesis,we individually and concomitantly inactivated them in an industrial S.erythraea WB.Compared with WB,the WBΔ3446 and WBΔ3446Δ3986 mutants respectively displayed 36%and 65%yield enhancement of erythromycin A,following significantly elevated transcription of eryAI and ermE.When cultured in a 5 L fermentor,erythromycin A ofWBΔ3446 and WBΔ3446Δ3986 successively reached 4095 mg/L and 4670 mg/L with 23%and 41%production improvement relative to WB.The strategy reported here will be useful to improve antibiotics production in other industrial actinomycete. | Hang Wu Yansheng Wang Li Yuan Yongrong Mao Weiwei Wang Lin Zhu Panpan Wu Chengzhang Fu Rolf Muller David T.Weaver Lixin Zhang Buchang Zhang | 2016 | Synthetic and Systems Biotechnology2016，1，1： | 7 |
| 15 | High-yield production of 2,5-dimethylfuran from 5-hydroxymethylfurfural over carbon supported Ni–Co bimetallic catalyst显示文摘The catalytic conversion of 5-hydroxymethylfurfural(HMF) to 2,5-dimethylfuran(DMF) has attracted extensive research interests because DMF can be used as potential and competitive renewable transportation fuel or additives. Here we report a non-noble bimetallic catalyst with improved activity for hydrogenation and hydrogenolysis by introducing active carbon as support into a nickel–cobalt catalyst. The characterizations of the catalyst indicate that the Ni and Co species are uniformly dispersed on the active carbon through the wetness impregnation method. The influences of reaction temperature and hydrogen pressure are systematically investigated and an excellent yield(up to 95%) of DMF can be obtained at relatively mild conditions, 130 °C and 1 MPa H_2, over the carbon supported Ni–Co bimetallic catalyst. The high catalytic activity originates from the synergistic effect between Ni and CoO xspecies, the high BET surface area of the catalyst, and the uniform dispersion of Ni and Co species on the active carbon. The catalyst could be reused for 5 times without loss of activity in a batch reactor. Futhermore, the conversion of HMF to DMF on a fixed-bed reactor was also investigated and the 2%Ni–20%Co/C catalyst exhibited an excellent yield to DMF(>90%) for 71 h time on stream, indicating the high activity and stability of the catalyst. | Panpan Yang Qineng Xia Xiaohui Liu Yanqin Wang | 2016 | Journal of Energy Chemistry2016，25，6： | 7 |
| 16 | IL-33 induces immunosuppressive neutrophils via a type 2 innate lymphoid cell/IL-13/STAT6 axis and protects the liver against injury in LCMV infection-induced viral hepatitis显示文摘Viral hepatitis is still a public health problem affecting several million people around the world.Neutrophils are polymorphonuclear cells that have a critical role in antibacterial infection.However,the role of neutrophils in viral infection is not fully understood.By using a mouse model of lymphocytic choriomeningitis virus infection-induced viral hepatitis,we observed increased neutrophil recruitment in the liver accompanied by enhanced CD8+T-cell responses.Liver neutrophils expressed high levels of immunomodulatory cytokines,such as C-X-C chemokine ligand 2,arginase-1,inducible nitric oxide synthase and interleukin(IL)-10,demonstrating immunosuppressive properties.Depletion of neutrophils in vivo by a neutralizing antibody resulted in the exacerbation of liver injury and the promotion of T-cell responses at the immune contraction stage.IL-33 significantly induced neutrophil recruitment in the liver and attenuated liver injury by limiting effector T-cell accumulation.Mechanistically,we found that IL-33 promoted the expression of arginase-1 in neutrophils through the type 2 innate lymphoid cell(ILC2)-derived IL-13.Additionally,IL-13 increased the inhibitory effect of neutrophils on CD8+T-cell proliferation in vitro,partially through arginase-1.Finally,we found that IL-13 induced arginase-1 expression,depending on signal transducer and activator of transcription factor 6(STAT6)signaling.Therefore,IL-33 induced immunosuppressive neutrophils via an ILC2/IL-13/STAT6 axis.Collectively,our findings shed new light on the mechanisms associated with IL-33-triggered neutrophils in the liver and suggest potential targets for therapeutic investigation in viral hepatitis. | Yuejin Liang Panpan Yi Denley Ming Kee Yuan Zuliang Jie Zakari Kwota Lynn Soong Yingzi Cong Jiaren Sun | 2019 | Cellular & Molecular Immunology2019，16，2： | 7 |
| 17 | G protein-coupled receptor 183 facilitates endothelial-to- hematopoietic transition via Notch1 inhibition显示文摘 | Panpan Zhang Qiuping He Dongbo Chen Weixiao Liu Lu Wang Chunxia Zhang Dongyuan Ma Wei Li Bing Liu Feng Liu | 2015 | Cell Research2015，25，10： | 7 |
| 18 | Metabolic engineering of Streptomyces coelicolor for enhanced prodigiosins (RED) production显示文摘Bacterial prodigiosins are red-colored secondary metabolites with multiple activities,such as anticancer,antimalarial and immunosuppressive,which hold great potential for medical applications.In this study,dramatically enhanced prodigiosins(RED) production in Streptomyces coelicolor was achieved by combinatorial metabolic engineering,including inactivation of the repressor gene ohkA,deletion of the actinorhodin(ACT) and calcium-dependent antibiotic(CDA) biosynthetic gene clusters(BGCs) and multi-copy chromosomal integration of the RED BGC.The results showed that ohkA deletion led to a 1-fold increase of RED production over the wild-type strain M145.Then,the ACT and CDA BGCs were deleted successively based on the AohkA mutant(SBJ101).To achieve multi-copy RED BGC integration,artificial ΦC31 attB site(s) were inserted simultaneously at the position where the ACT and CDA BGCs were deleted.The resulting strains SBJ102(with a single deletion of the ACT BGC and insertion of one artificial attB site) and SBJ103(with the deletion of both BGCs and insertion of two artificial attB sites) produced 1.9-and 6-fold higher RED titers than M145,respectively.Finally,the entire RED BGC was introduced into mutants from SBJ101 to SBJ103,generating three mutants(from SBJ104 to SBJ106) with chromosomal integration of one to three copies of the RED BGC.The highest RED yield was from SBJ106,which produced a maximum level of 96.8 mg g^(-1) cell dry weight,showing a 12-fold increase relative to M145.Collectively,the metabolic engineering strategies employed in this study are very efficient for the construction of high prodigiosin-producing strains. | Panpan Liu Hong Zhu Guosong Zheng Weihong Jiang Yinhua Lu | 2017 | Science China(Life Sciences)2017，60，9： | 7 |
| 19 | Combination of anti-PD-1 antibody with P-GEMOX as a potentially effective immunochemotherapy for advanced natural killer/T cell lymphoma显示文摘Advanced natural killer/T cell lymphoma(NKTL)has demonstrated poor prognosis with currently available therapies.Here,we report the efficacy of anti-programmed death 1(PD-1)antibody with the P-GEMOX(pegaspargase,gemcitabine,and oxaliplatin)regimen in advanced NKTL.Nine patients underwent six 21-day cycles of anti-PD-1 antibody(day 1),pegaspargase 2000 U/m^(2)(day 1),gemcitabine 1 g/m^(2)(days 1 and 8)and oxaliplatin 130 mg/m^(2)(day 1),followed by anti-PD-1 antibody maintenance every 3 weeks.Programmed death-ligand 1(PD-L1)expression and genetic alterations were determined in paraffin-embedded pretreatment tissue samples using immunohistochemistry and next-generation sequencing(NGS)analysis.Responses were assessed using 18F-fluorodeoxyglucose positron emission tomography(18FDG-PET)and computed tomography or magnetic resonance imaging.Eight patients exhibited significant responses,comprising of seven complete remissions and one partial remission(overall response rate:88.9%).After a median follow-up of 10.6 months,6/9 patients(66.7%)remained in complete remission.The most common grade 3/4 adverse events were anemia(33.3%),neutropenia(33.3%),and thrombocytopenia(33.3%);all of which were manageable and resolved.Immunochemotherapy produced a high response rate in patients with positive PD-L1 expression(5/6,83.3%).NGS analysis suggested that STAT3/JAK3/PD-L1 alterations and ARID1A mutation were associated with immunochemotherapy efficacy.Mutation in DDX3X and alteration in epigenetic modifiers of KMT2D,TET2,and BCORL1 might indicate a poor response to immunochemotherapy.In conclusion,the anti-PD-1 antibody plus P-GEMOX regimen demonstrated promising efficacy in advanced NKTL.PD-L1 expression combined with specific genetic alterations could be used as potential biomarkers to predict therapeutic responses to immunochemotherapy. | Jun Cai Panpan Liu Huiqiang Huang Yajun Li Shuyun Ma Hui Zhou Xiaopeng Tian Yuchen Zhang Yan Gao Yi Xia Xuanye Zhang Hang Yang Lirong Li Qingqing Cai | 2020 | Signal Transduction and Targeted Therapy2020，5，1： | 6 |
| 20 | Landslide stability for Shuitianba in the Three Gorges area显示文摘According to the data of preliminary survey, the authors established a landslide geological model,on the basis of analyses on the sensitivity of landslide, tried to simulate and calculate the landslide stability of Shuitianba with the method of transfer coefficient when it is under different strength parameters, and study the landslide mechanism. The results show that it is sensitive to the effects of shear strength parameters of sliding zone and groundwater level on landslide stability safety coefficient, which provides reliable basis for calculation of landslide stability. | YANG Zhishuang XI Panpan JIN Jianfu | 2012 | Global Geology2012，15，3： | 6 |
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