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| 1 | Synthesis and characterization of yttrium hydroxide and oxide microtubes显示文摘有六角形的阶段 Y 的六角形的微试管(哦)3 被一个灵巧的 solvothermal 方法成功地经由一条水晶转变线路当表面活化剂或模板不在时为 12 h 在 160 ° C 综合。扫描电子显微镜学(SEM ) 结果证明准备六角形的微试管与 50 100 nm, ∼1 μ m 的一条外部直径,并且长度在十测微计上面去的墙厚度。立方的阶段 Y 2 O 3 微试管在 Y 的热处理以后被获得(哦)3 在为 4 h 的 700 ° C 的微试管。Eu 3+-doped Y 2 有在 610 nm 的强壮的红排放的微试管也是的 O 3 准备了,他们的光致发光(PL ) 性质被学习。为微试管的形成的可能的机制简短被讨论。 | WANG Shijin ZHONG Shengliang WEN Zubiao WANG Yuling WANG Shangping CHEN Jianjun XU Rong LUO Longfei | 2009 | Rare Metals2009，28，5： | 5 |
| 2 | Temperature-dependent evolution of surface charge screening and polarization at ferroelectric surfaces显示文摘The polarization and domain behavior on the surface of a ferroelectric material are significantly affected by the screening processes [1-12].Recently,there has been a notable increase in the theoretical calculations and experiments investigating the dynamics of polarization and domain behaviors coexisting in phase transitions of ferroelectric materials. | LongFei Wang Yi Luo JieSu Wang XiuShi Huang ZhaoMeng Gao TieYing Yang XiaoLong Li Pei Li KuiJuan Jin WeiFeng Zhang HaiZhong Guo | 2019 | Science China(Physics,Mechanics & Astronomy)2019，62，8： | 3 |
| 3 | Searching for the Nano-Hertz Stochastic Gravitational Wave Background with the Chinese Pulsar Timing Array Data ReleaseⅠ显示文摘Observing and timing a group of millisecond pulsars with high rotational stability enables the direct detection of gravitational waves(GWs).The GW signals can be identified from the spatial correlations encoded in the times-of-arrival of widely spaced pulsar-pairs.The Chinese Pulsar Timing Array(CPTA)is a collaboration aiming at the direct GW detection with observations carried out using Chinese radio telescopes.This short article serves as a“table of contents”for a forthcoming series of papers related to the CPTA Data Release 1(CPTA DR1)which uses observations from the Five-hundred-meter Aperture Spherical radio Telescope.Here,after summarizing the time span and accuracy of CPTA DR1,we report the key results of our statistical inference finding a correlated signal with amplitude logA_(c)=-14.4_(-2.8)^(+1.0)for spectral index in the range ofα∈[-1.8,1.5]assuming a GW background(GWB)induced quadrupolar correlation.The search for the Hellings–Downs(HD)correlation curve is also presented,where some evidence for the HD correlation has been found that a 4.6σstatistical significance is achieved using the discrete frequency method around the frequency of 14 n Hz.We expect that the future International Pulsar Timing Array data analysis and the next CPTA data release will be more sensitive to the n Hz GWB,which could verify the current results. | Heng Xu Siyuan Chen Yanjun Guo Jinchen Jiang Bojun Wang Jiangwei Xu Zihan Xue RNicolas Caballero Jianping Yuan Yonghua Xu Jingbo Wang Longfei Hao Jingtao Luo Kejia Lee Jinlin Han Peng Jiang Zhiqiang Shen Min Wang Na Wang Renxin Xu Xiangping Wu Richard Manchester Lei Qian Xin Guan Menglin Huang Chun Sun Yan Zhu | 2023 | Research in Astronomy and Astrophysics2023，23，7： | 3 |
| 4 | Oxygen permeability and CO_2-tolerance of Ce_(0.8)Gd_(0.2)O_(2-δ)-Ln BaCo_2O_(5+δ) dual-phase membranes显示文摘A series of oxygen permeable dual-phase composite oxides 60 wt% Ce0.8Gd0.2O2-δ-40 wt% Ln Ba Co2O5+δ(CGO-LBCO, Ln = La, Pr, Nd,Sm, Gd and Y) were synthesized through a sol-gel route and effects of the Ln3+cations on their phase structure, oxygen permeability and chemical stability against CO2 were investigated systemically by XRD, SEM, TG-DSC and oxygen permeation experiments. XRD patterns reveal that the larger Ln3+cations(La3+, Pr3+and Nd3+) successfully stabilized the double-layered perovskite structure of sintered LBCO,while the smaller ones(Sm3+, Gd3+, and Y3+) resulted in the partial decomposition of LBCO with some impurities formed. CGO-PBCO yields the highest oxygen permeation flux, reaching 2.8×10-7mol s-1 cm-2at 925?C with 1 mm thickness under air/He gradient. The TG-DSC profiles in 20 mol% CO2/N2 and oxygen permeability experiments with CO2 as sweep gas show that CGO-YBCO demonstrates the best chemical stability against CO2, possibly due to its minimum basicity. The stable oxygen permeation flux of CGO-YBCO under CO2 atmosphere reveals its potential application in the oxy-fuel combustion route for CO2 capture. | Longfei Luo Hongwei Cheng Guangshi Li Xionggang Lu Bo Jiang | 2015 | Journal of Energy Chemistry2015，24，1： | 3 |
| 5 | Combination therapy using microwave ablation and d-mannose-chelated iron oxide nanoparticles inhibits hepatocellular carcinoma progression显示文摘Despite being a common therapy for hepatocellular carcinoma(HCC),insufficient thermal ablation can leave behind tumor residues that can cause recurrence.This is believed to augment M2 inflammatory macrophages that usually play a pro-tumorigenic role.To address this problem,we designed D-mannose-chelated iron oxide nanoparticles(man-IONPs) to polarize M2-like macrophages into the antitumor Ml phenotype.In vitro and in vivo experiments demonstrated that man-IONPs specifically targeted M2-like macrophages and accumulated in peri-ablation zones after macrophage infiltration was augmented under insufficient microwave ablation(MWA).The nanoparticles simultaneously induced polarization of pro-tumorigenic M2 macrophages into antitumor M1 phenotypes,enabling the transformation of the immunosuppressive microenvironment into an immunoactivating one.Post-MWA macrophage polarization exerted robust inhibitory effects on HCC progression in a well-established orthotopic liver cancer mouse model.Thus,combining thermal ablation with man-IONPs can salvage residual tumors after insufficient MWA.These results have strong potential for clinical translation. | Rui Cui Luo Wang Dongyun Zhang Kun Zhang Jianping Dou Linan Dong Yixuan Zhang Jiapeng Wu Longfei Tan Jie Yu Ping Liang | 2022 | Acta Pharmaceutica Sinica B2022，12，9： | 2 |
| 6 | An isotope study of the accumulation mechanisms of high-sulfur gas from the Sichuan Basin, southwestern China显示文摘The mechanism of hydrogen sulfide(H_2S) generation plays a key role in the exploration and development of marine high-sulfur natural gas, of which the major targets are the composition and isotope characteristics of sulfur-containing compounds.Hydrocarbon source rocks, reservoir rocks, natural gases and water-soluble gases from Sichuan Basin have been analyzed with an online method for the content of H_2S and isotopic composition of different sulfur-containing compounds. The results of comparative analysis show that the sulfur-containing compounds in the source rocks are mainly formed by bacterial sulfate reduction(BSR), and the sulfur compounds in natural gas, water and reservoir are mainly formed by thermal sulfate reduction(TSR). Moreover, it has been shown that the isotopically reversion for methane and ethane in high sulfur content gas is caused by TSR. The sulfur isotopic composition of H_2S in natural gas is inherited from the gypsum or brine of the same or adjacent layer,indicating that the generation and accumulation of H_2S have the characteristics of either a self-generated source or a near-source. | LIU WenHui Tenger ZHANG ZhongNing LUO HouYong ZHANG DianWei WANG Jie LI LiWu GAO Bo LU LongFei ZHAO Heng | 2016 | Science China Earth Sciences2016，59，11： | 2 |
| 7 | Aluminum hydride for solid-state hydrogen storage:Structure,synthesis, thermodynamics, kinetics, and regeneration显示文摘Aluminum hydride(AlH3) is a binary metal hydride that contains more than 10.1 wt% of hydrogen and possesses a high volumetric hydrogen density of 148 kg H2 m^(-3).Pristine AlH3 can readily release hydrogen at a moderate temperature below 200℃.Such high hydrogen density and low desorption temperature make AlH3 one of most promising hydrogen storage media for mobile application.This review covers the research activity on the structures,synthesis,decomposition thermodynamics and kinetics,regeneration and application validation of AlH3 over the past decades.Finally,the future research directions of AlH3 as a hydrogen storage material will be revealed. | Haizhen Liu Longfei Zhang Hongyu Ma Chenglin Lu Hui Luo Xinhua Wang Xiantun Huang Zhiqiang Lan Jin Guo | 2021 | Journal of Energy Chemistry2021，30，1： | 2 |
| 8 | Oxygen permeation and phase structure properties of partially A-site substituted BaCo_(0.7)Fe_(0.225)Ta_(0.075)O_(3-δ) perovskites显示文摘Ba0.9R0.1Co0.7Fe0.225Ta0.075O3-δ(BRCFT, R = Ca, La or Sr) membranes were synthesized by a solid-state reaction. Metal cation Ca2+,La3+or Sr2+doping on A-site partially substituted Ba2+in BaCo0.7Fe0.225Ta0.075O3-δoxides, and its subsequent effects on phase structure stability, oxygen permeability and oxygen desorption were systematically investigated by XRD, TG-DSC, H2-TPR, O2-TPD techniques and oxygen permeation experiments. The partial substitution with Ca2+, La3+or Sr2+, whose ionic radii are smaller than that of Ba2+, succeeded in stabilizing the cubic perovskite structure without formation of impurity phases, as revealed by XRD analysis. Oxygen-involving experiments showed that BRCFT with A-site fully occupied by Ba2+exhibited good oxygen permeation flux under He flow, reaching about 2.3mL min-1 cm-2at 900 ℃ with 1 mm thickness. Of all the membranes, BLCFT membrane showed better chemical stability in CO2, owing to the reduction in alkalinity of the mixed conductor oxide by La doping. In addition, we also found the stability of the perovskite structure under reducing atmospheres was strengthened by increasing the size of A-site cation(Ba2+>La3+>Sr2+>Ca2+). | Bo Jiang Hongwei Cheng Longfei Luo Xionggang Lu Naijun Zhang Jizhong Liu | 2014 | Journal of Energy Chemistry2014，23，2： | 2 |
| 9 | Environmental fate and effects of organophosphate flame retardants in the soil-plant system显示文摘Organophosphate flame retardants(OPFRs),as a replacement for polybrominated diphenyl ethers(PBDEs),are of increasing concern due to their high production over the years.Soil is the major environmental reservoir and interchange for OPFRs.OPFRs in soil could be transferred to the food chain,and pose potential ecological and human health risks.This review focused on the environmental fate and effects of typical OPFRs in the soil-plant system.We concluded that the sorption and transformation behaviors of OPFRs due to their crucial impact on bioavailability.The root uptake and translocation of OPFRs by plants were summarized with analyses of their potential affecting factors.The in planta transformation and potential ecological effects of OPFRs were also briefly discussed.Finally,we highlighted several research gaps and provided suggestions for future research,including the development of simulative/computative methods to evaluate the bioavailability of OPFRs,the effects of root exudates and rhizosphere microorganisms on the bioavailability and plant uptake of OPFRs,and the development of green and sustainable technologies for in situ remediation of OPFRs-contaminated soil. | Qing Zhang Weiping Mei Longfei Jiang Qian Zheng Chunling Luo Gan Zhang | 2021 | Soil Ecology Letters2021，3，3： | 2 |
| 10 | Oxygen Permeation and Stability of Ce_(0.8)Gd_(0.2)O_(2-δ)-PrBaCo_(2-x)FexO_(5+δ) Dual-phase Composite Membranes显示文摘Dual-phase membranes of 60 wt% Ce_(0.8)Gd_(0.2)O_(2-δ)-40 wt% Pr Ba Co2exFexO3 d(0 x 2) were prepared by a combined citrate and ethylene diamine tetraacetic acid(EDTA) complexing method. X-ray diffraction(XRD)results revealed the good chemical compatibility between ion-conducting phase CGO and electron-conducting phases PBC2 xFxO after sintering in air. The Fe ionic dopant had a significant effect on the phase structure stability and oxygen permeability under CO2 atmosphere, which was confirmed by XRD, thermogravimetrye differential scanning calorimetry(TGeD SC), scanning electron microscopy(SEM) and oxygen permeation experiments. CGOeP BC0.5F1.5O dual-phase membrane demonstrated a stable oxygen permeation flux of2.71x10-7mol cm 2s 1with 50 mol% He/CO2 as the sweep gas at 925 C, and this value was much higher than that of perovskite-type membranes. The rate-limiting step in the oxygen permeation process changed from the bulk diffusion to the surface oxygen exchange when the CGOeP BC0.5F1.5O membrane thickness decreased to 0.8 mm or less. Due to the high oxygen permeation fluxes and the excellent structural stability under CO2 atmosphere, the CGOeP BC0.5F1.5O membrane is a great potential candidate material for separating oxygen from air in the oxy-fuel combustion techniques. | Bo Jiang Hongwei Cheng Longfei Luo Xionggang Lu Zhongfu Zhou | 2014 | Journal of Materials Science & Technology2014，30，12： | 2 |
| 11 | Significance of gypsum-salt rock series for marine hydrocarbon accumulation显示文摘With further exploration and research,the gypsum-salts rock series as good caprocks attracted a lot of attention.The gypsum-salt rock series played an important role during migration,preservation and trapping of hydrocarbons.Recently,major breakthroughs have been continuously made in marine petroleum exploration of gypsum-salt rock series in the eastern Ordos Basin,the central Tarim Basin and the western Sichuan Basin in China,and the high-evolution and low-abundance gypsum-salt rock series as hydrocarbon source rocks become possible.Besides research advances in the reservoirecaprock assemblage of gypsum-salt rock series,development and hydrocarbon-generation potential of source rocks in the gypsum-salt rock series were well studied in terms of source-rock development environment and hydrocarbon generation mechanism.Results showed that the gypsum-salt rock series,including high-evolution and low-TOC gypsum-salt rock series in China,could be regarded as good source rocks.This understanding was a breakthrough to previous traditional viewpoint that low-TOC gypsum-salt rock series could not act as effective hydrocarbon sources.The key to understand hydrocarbon-generation mechanism was that abundant and high-quality hydrocarbon-generation materials,large amount of hydrocarbon generation and conversion in geological history,and hydrocarbongeneration materials occurred in the form of carboxylates,were developed in the high-evolution and low-TOC gypsum-salt rock series. | Wenhui Liu Heng Zhao Quanyou Liu Bing Zhou Dianwei Zhang Jie Wang Longfei Lu Houyong Luo Qingqiang Meng Xiaoqi Wu | 2017 | Petroleum Research2017，2，3： | 2 |
| 12 | FMECA and FTA Methods of Reliability Analysis for Oil and Gas Pipeline Robot显示文摘In this paper,FMECA and FTA methods are presented for oil and gas Pipeline Robot in order to improve the reliability.Take a crawler pipeline cleaning robot as the research object.According to the robot′s variable working environment,high failure rate and short service life,in order to reduce the probability of its failure,and to extend its use time limit under the premise of being able to adapt to the complex working environment,and reduce maintenance cost of failure.To realize this purpose,FMECA analysis is fristly proposed,by which obtain the failure modes,causes and effects of each component mechanism,and identify the component mechanism with high risk and failure rate.Secondly,FTA is developed to establish the fault tree model of Cleaning and diameter changing mechanism,retain the underlying fault and the cause of its failure.Simulation results are carried out to illustrate the effectiveness of this proposed method and improvement measures to improve the reliability of the robot. | SONG Jin ZHANG Xiaolong LUO Ying HUANG Kuang LIU Jie WU Longfei | 2021 | International Journal of Plant Engineering and Management2021，26，4： | 1 |
| 13 | Negative exponential behavior of image mutual information for pseudo-thermal light ghost imaging: observation, modeling, and verification显示文摘When using the image mutual information to assess the quality of reconstructed image in pseudothermal light ghost imaging, a negative exponential behavior with respect to the measurement number is observed. Based on information theory and a few simple and verifiable assumptions, semi-quantitative model of image mutual information under varying measurement numbers is established. It is the Gaussian characteristics of the bucket detector output probability distribution that leads to this negative exponential behavior. Designed experiments verify the model. | Junhui Li Bin Luo Dongyue Yang Longfei Yin Guohua Wu Hong Guo | 2017 | Science Bulletin2017，62，10： | 1 |
| 14 | The Original Organism Assemblages and Kerogen Carbon Isotopic Compositions of the Early Paleozoic Source Rocks in the Tarim Basin, China显示文摘Original organisms are the biological precursors of organic matter in source rocks. Original organisms in source rocks are informative for oil-source rock correlation and hydrocarbon potential evaluation, especially for source rocks which have high-over level of thermal maturity. Systematic identification of original organism assemblages of the Lower Paleozoic potential source rocks and detailed carbon isotopic composition of kerogen analyses were conducted for four outcrop sections in the Tarim basin. Results indicated that the original organism assemblages of the lower part of the Lower Cambrian were composed mainly of benthic algae, whereas those of the Upper Cambrian and the Ordovician were characterized by planktonic algae. Kerogen carbon isotopic data demonstrated that the δ13 Ckerogen values of source rocks dominated by benthic algae are lower than-34‰, whereas the δ13 Ckerogen values of source rocks dominated by planktonic algae are higher than-30‰ in general. We tentatively suggested that the carbon species those are utilized by algae and the carbon isotopic fractionation during photosynthesis are the major controls for the δ13 Ckerogen values in the Lower Paleozoic source rocks in the Tarim basin. Correlating the δ13 C values of oils exploited in the Tarim basin, the original organism assemblages, and δ13 Ckerogen values of source rocks, it implied that the Lower Paleozoic oils exploited in the Tarim basin should be sourced from the source rocks with original organism assemblages dominated by planktonic algae, and the hydrocarbon sourced from the Cambrian benthic algae should be of great exploration potential in future. Original organism assemblages in source rocks can provide important clues for oil-source rocks correlation, especially for the source rocks with high thermal maturity. | HU Guang MENG Qingqiang WANG Jie Tengger XIE Xiaomin LU Longfei LUO Houyong LIU Wenhui | 2018 | Acta Geologica Sinica(English Edition)2018，92，6： | 1 |
| 15 | High-performance enhancement-mode thin-film transistors based on Mg-doped In2O3 nanofiber networks显示文摘 | Hongchao Zhang You Meng Longfei Song Linqu Luo Yuanbin Qin Ning Han Zaixing Yang Lei Liu Johnny C. Ho Fengyun Wang | 2018 | Nano Research2018，11，3： | 1 |
| 16 | Roles of gypsum/salt-bearing sequence in hydrocarbon accumulation and storage显示文摘Gypsum/salt beds are widely developed in petroliferous basins across the world.Most basins with gypsum/salt beds have been proven to host abundant hydrocarbon resources.Previous studies on the effects of gypsum/salt beds on hydrocarbon reservoirs primarily focused on their excellent sealing property as cap rocks.However,an increasing number of exploration discoveries have shown that gypsum/salt beds have the potential to promote the formation of high-quality source rocks and hydrocarbon reservoirs.Gypsum/salt beds influence the generation,preservation and accumulation of hydrocarbons.Based on the systematic analysis of the generation of hydrocarbons in global gypsum/saltbearing sequences,the study discussed the control of gypsum/salt beds on play elements,and explore the relationship between the development of gypsum/salt beds and global large-and medium-scale hydrocarbon reservoirs.Furthermore,we analyzed the correlation between typical gypsum/saltbearing sequences and their hydrocarbon generation potentials in China.In-depth analysis shows three patterns in terms of the spatial superimposition of gypsum/salt beds and source rocks,that is,postsalt pattern,inter-salt pattern and pre-salt pattern.Among others,the source rocks of the inter-salt pattern are widely developed in salt basins and of great potential for hydrocarbon exploration. | Wenhui Liu Yining Li Quanyou Liu Xiaofeng Wang Qingqiang Meng Dianwei Zhang Longfei Lu Houyong Luo | 2023 | Energy Geoscience2023，4，1： | 0 |
| 17 | Enhanced Li+migration in solid polymer electrolyte driven by anion-containing polymer-chains显示文摘Li-ion batteries with solid polymer electrolytes(SPEs)are safer than conventional liquid electrolytes due to the absence of highly flammable liquid electrolytes.However,their performance is limited by the poor Li+transport in SPEs at room temperature.Anion-containing polymer-chains incorporated SPEs(ASPEs)are therefore developed to enhance Li^(+) diffusion kinetics.Herein,we propose a novel and feasible strategy to incorporate the anion-containing polymer-chains,such as lithiated perfluorinated sulfonic acid(PFSA),into polyvinylidene fluoride(PVDF)polymer-based SPEs.The immobile anion groups from the PFSA-chains impede the migration of mobile anion groups dissociated from the Li salt.The transference number is thus raised from∼0.3 to 0.52 with the introduction of anion-containing polymer-chains into SPEs.The electrostatic repulsion among anion-containing chains also reduces the close chain stacking and brings 159%increase in the ionic conductivity to 0.83×10^(−3) S/cm at 30℃ in contrast with the pure PVDF-based SPE.In addition,LiFeO_(4)/Li batteries with ASPEs exhibit 55%capacity boost at 0.5 C in contrast to the capacity of batteries with pure-PVDF SPEs,and also offer more than 1000 charge/discharge cycles.Our research findings potentially offer a facile strategy to design thermal stable SPEs with superior Li^(+) transport behaviors towards developing high-performance SPEs-based batteries. | Xingyi Zhang Modeste Venin Mendieev Nitou Wenjun Li Zhao Wan Longfei Liu Zhaohui Luo Sohail Muhammad Wu Qin Liang An Yinghua Niu Weiqiang Lv | 2023 | Chinese Chemical Letters2023，34，11： | 0 |
| 18 | Approaching the binding between Cu(Ⅱ) and aerobic granules by a modified titration and p-XRF显示文摘 | Hongwei LUO Longfei WANG Zhonghua TONG Hanqing YU Guoping SHENG | 2016 | Frontiers of Environmental Science & Engineering2016，10，2： | 0 |
| 19 | Artificial intelligence-based ultrasound imaging technologies for hepatic diseases显示文摘Ultrasound(US)imaging is a non-invasive,real-time,economical,and convenient imaging modality that has been widely used in diagnosing and treating hepatic diseases.Artificial intelligence(AI)technology can predict or make decisions based on the experience of clinical experts and knowledge obtained from training data.This technology can help clinicians improve the detection efficiency and evaluate hepatic diseases,promote clinical treatment of the liver,and predict the response of the liver after treatment.This review summarizes the current rapid development of US technology and related AI methods in the diagnosis and treatment of hepatic diseases.Covered topics include steatosis grading,fibrosis staging,detection of focal liver lesions,US image segmentation,multimodal image registration,and other applications.At present,the field of AI in US imaging is still in its early stages.With the future progress of AI technology,AI-based US imaging can further improve diagnosis,reduce medical costs,and optimize US-based clinical workflow.This technology has broad prospects for application to hepatic diseases. | Longfei Ma Rui Wang Qiong He Lijie Huang Xingyue Wei Xu Lu Yanan Du Jianwen Luo Hongen Liao | 2022 | iLIVER2022，1，4： | 0 |
| 20 | Experimental and Numerical Study on the Shear Strength and Strain Energy of Rock Under Constant Shear Stress and Unloading Normal Stress显示文摘Excavation and earth surface processes(e.g.,river incision)always induce the unloading of stress,which can cause the failure of rocks.To study the shear mechanical behavior of a rock sample under unloading normal stress conditions,a new stress path for direct shear tests was proposed to model the unloading of stress caused by excavation and other processes.The effects of the initial stresses(i.e.,the normal stress and shear stress before unloading)on the shear behavior and energy conversion were investigated using laboratory tests and numerical simulations.The shear strength of a rock under constant stress or under unloading normal stress conforms to the Mohr Coulomb criterion.As the initial normal stress increases,the cohesion decreases linearly and the tangent of the internal friction angle increases linearly.Compared with the results of the tests under constant normal stress,the cohesions of the rock samples under unloading normal stress are smaller and their internal friction angles are larger.A strength envelope surface can be used to describe the relationship between the initial stresses and the failure normal stress.Shear dilatancy can decrease the total energy of the direct shear test under constant normal stress or unloading normal stress,particularly when the stress levels(the initial stresses in the test under unloading normal stress or the normal stress in the test under constant normal stress)are high.The ratio of the dissipated energy to the total energy at the moment failure occurs decreases exponentially with increasing initial stresses.The direct shear test under constant normal stress can be considered to be a special case of a direct shear test under unloading normal stress with an unloading amount of zero. | Tantan Zhu Da Huang Jianxun Chen Yanbin Luo Longfei Xu | 2021 | Computer Modeling in Engineering & Sciences2021，，4： | 0 |
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