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57篇 您的检索式:作者名="Yanlong Yang"
    题名 作者 年代 出处 被引量
1Strain-induced direct-indirect bandgap transition and phonon modulation in monolayer WS2显示文摘Yanlong Wang Chunxiao Cong Weihuang Yang Jingzhi Shang Namphung Peimyoo Yu Chen Junyong Kang Jianpu Wang Wei Huang Ting Yu 2015Nano Research2015,8,8:20
2Thermal conductivity determination of suspended mono- and bilayer WS2 by Raman spectroscopy显示文摘我们报导单层 1L 和 bilayer 2L WS 的热传导性<潜水艇class=“ a-plus-plus ”>化学蒸汽免职 CVD 种的 2 ,它被温度的使用和 E 的刺激依赖决定<潜水艇class=“ a-plus-plus ”> 2g <啜class=“ a-plus-plus ”> 1 和 A <潜水艇class=“ a-plus-plus ”> 1g 拉曼模式。E 的一阶的温度系数 < 潜水艇 class= “ a-plus-plus ” > 2g < 啜 class= “ a-plus-plus ” > 1 和 A < 潜水艇 class= “ a-plus-plus ” > 1g 模式在支持了并且推迟 WS < 潜水艇 class= “ a-plus-plus ” > 2 层被提取。 A 的频率移动<潜水艇class=“ a-plus-plus ”>有温度的 1g 模式比 E 的大<潜水艇class=“ a-plus-plus ”> 2g <啜class=“ a-plus-plus ”>为 1L-WS 的 1 个模式<潜水艇class=“ a-plus-plus ”> 2 ,它被归因于为 A 联合的更强壮的电子声子<潜水艇class=“ a-plus-plus ”> 1g 模式比那为 E <潜水艇class=“ a-plus-plus ”> 2g <啜class=“ a-plus-plus ”> 1 模式。而且由激光加热导致的声子模式的移动的使用,在房间温度的热传导性被估计是 32 和 53 W/mmine ICL 的全面功能。给 ICL 还没完成了一个自治学科的地位的事实,询问必须以 criminalisation 的国家理论的讨论开始。文章集中于 criminalisation 的二个很重要的理论,也就是理论 o 吗?Namphung Peimyoo Jingzhi Shang Weihuang Yang Yanlong wang Chunxiao Cong Ting Yu 2015Nano Research2015,8,4:18
3Human activities aggravate nitrogen-deposition pollution to inland water over China显示文摘In the past three decades, China has built more than 87 000 dams with a storage capacity of ≈6560 km3 and the total surface area of inland water has increased by 6672 km2. Leaching of N from fertilized soils to rivers is the main source of N pollution in China, but the exposure of a growing inland water area to direct atmospheric N deposition and N leaching caused by N deposition on the terrestrial ecosystem, together with increased N deposition and decreased N flow, also tends to raise N concentrations in most inland waters. The contribution of this previously ignored source of N deposition to freshwaters is estimated in this study, as well as mitigation strategies. The results show that the annual amounts of N depositions ranged from 4.9 to 16.6 kg · ha-1· yr-1 in the 1990 s to exceeding 20 kg · ha-1· yr-1 in the 2010 s over most of regions in China, so the total mass of N(the net contribution of N deposition to the increase in N concentration) for lakes, rivers and reservoirs change from 122.26 Gg N · yr-1 in the 1990 s to 237.75 Gg N· yr-1 in the 2010 s. It is suggested that reducing the N deposition from various sources, shortening the water-retention time in dams and decreasing the degree of regulation for rivers are three main measures for preventing a continuous increase in the N-deposition pollution to inland water in China.Yang Gao Feng Zhou Philippe Ciais Chiyuan Miao Tao Yang Yanlong Jia Xudong Zhou Butterbach-Bahl Klaus Tiantian Yang Guirui Yu 2020National Science Review2020,7,2:10
4High-performance silicon−graphene hybrid plasmonic waveguide photodetectors beyond 1.55μm显示文摘Graphene has attracted much attention for the realization of high-speed photodetection for silicon photonics over a wide wavelength range.However,the reported fast graphene photodetectors mainly operate in the 1.55μm wavelength band.In this work,we propose and realize high-performance waveguide photodetectors based on bolometric/photoconductive effects by introducing an ultrathin wide silicon−graphene hybrid plasmonic waveguide,which enables efficient light absorption in graphene at 1.55μm and beyond.When operating at 2μm,the present photodetector has a responsivity of ~70 mA/W and a setup-limited 3 dB bandwidth of >20 GHz.When operating at 1.55μm,the present photodetector also works very well with a broad 3 dB bandwidth of >40 GHz(setup-limited)and a high responsivity of ~0.4 A/W even with a low bias voltage of−0.3 V.This work paves the way for achieving highresponsivity and high-speed silicon-graphene waveguide photodetection in the near/mid-infrared ranges,which has applications in optical communications,nonlinear photonics,and on-chip sensing.Jingshu Guo Jiang Li Chaoyue Liu Yanlong Yin Wenhui Wang Zhenhua Ni Zhilei Fu Hui Yu Yang Xu Yaocheng Shi Yungui Ma Shiming Gao Limin Tong Daoxin Dai 2020Light(Science & Applications)2020,9,1:10
5Remarkable anisotropic phonon response in uniaxially strained few-layer black phosphorus显示文摘黑磷(BP ) 是一个好候选人因为学习紧张在 graphene 和转变金属 dichalcogenides 以外在 twodimensional (2D ) 上完成材料。这因为它支撑高紧张和源于它的唯一的皱起的结构的显著地各向异性的机械性质的特别能力。我们这里调查格子的依赖在由在原处做作的拉曼的单轴地做作的很少层 BP 的结晶的取向上的震动的频率光谱学。out-of-plane A 1 而, g 模式对沿着近扶手椅的方向的单轴的紧张敏感在里面飞机 B 2g 和 A 2 g 模式是敏感的在近之字形的方向拉紧。为使用离开这些方向的单轴的种类,所有三个声子模式是线性地 redshifted。我们的试验性的观察被对 BP 的结构的性质的单轴的张力的紧张的各向异性的影响用密度解释功能的理论。这研究表明由单轴的紧张的在 BP 的在里面飞机和 out-of-plane 声子模式的选择调节的可能性并且使紧张工程成为一条有希望的大街为广泛地 modulating 2D 材料的光、机械的性质。Yanlong Wang Chunxiao Cong Ruixiang Fei Weihuang Yang Yu Chen Bingchen Cao Li Yang Ting Yu 2015Nano Research2015,8,12:9
6CONDITION MONITOR OF DEEP-HOLE DRILLING BASED ON MULTI-SENSOR INFORMATION FUSION显示文摘监视基于 multi-sensorinformation 熔化的深洞的钻的方法的一个条件被讨论。当在不锈钢 0Crl7Ni4Cu4Nb 上的深洞的钻的条件正常或反常时,颤动和切的力量的信号被收集。Foureigenvectors 在时间域和信号的频率域分析上被提取。然后,四特徵向量被联合并且送到神经网络处理。熔化结果显示那多传感器信息熔化比单个传感器的信息,和那个切的力量信号优异能比颤动信号更好反映切削工具的条件。XU Xusong CAO Yanlong YANG Jiangxin 2006Chinese Journal of Mechanical Engineering2006,19,1:7
7Coherent optical adaptive technique improves the spatial resolution of STED microscopy in thick samples显示文摘Stimulated emission depletion(STED) microscopy is one of far-field optical microscopy techniques that can provide sub-diffraction spatial resolution. The spatial resolution of the STED microscopy is determined by the specially engineered beam profile of the depletion beam and its power. However, the beam profile of the depletion beam may be distorted due to aberrations of optical systems and inhomogeneity of a specimen's optical properties, resulting in a compromised spatial resolution. The situation gets deteriorated when thick samples are imaged. In the worst case, the severe distortion of the depletion beam profile may cause complete loss of the superresolution effect no matter how much depletion power is applied to specimens. Previously several adaptive optics approaches have been explored to compensate aberrations of systems and specimens. However, it is difficult to correct the complicated high-order optical aberrations of specimens. In this report, we demonstrate that the complicated distorted wavefront from a thick phantom sample can be measured by using the coherent optical adaptive technique. The full correction can effectively maintain and improve spatial resolution in imaging thick samples.WEI YAN YANLONG YANG YU TAN XUN CHEN YANG LI JUNLE QU TONG YE 2017Photonics Research2017,5,3:5
8Two Types of Granites in the Western Yangtze Block and Their Implications for Regional Tectonic Evolution: Constraints from Geochemistry and Isotopic Data显示文摘In the western Yangtze Block, widespread Mesoproterozoic to Neoproterozoic rocks are the key to understanding the Precambrian tectonic-magmatic evolution of the region. However, their petrogenesis and tectonic setting are still controversial. In this paper, zircon U-Pb ages, Sm-Nd isotopic and whole-rock geochemical data are reported from selected fresh samples in the southern Dechang county, southwestern China, in order to constrain their emplacement age and magma source, as well as their petrogenesis and tectonic setting. They are mainly composed of biotite monzogranite, monzonitic granite, biotite granodiorites, and quartz diorite. Two ages of 1055 ± 43 Ma and 837.6 ± 3.8 Ma were obtained through zircon U-Pb dating by LA-ICP-MS and LA-MC-ICP-MS, respectively. According to their major element compositions, the Grenville-age granites are peraluminous calc-alkaline series calcic S-type granite. In contrast, the mid-Neoproterozoic granites are metaluminous calc-alkaline series alkalic I-type granite. Furthermore, the S-type granites are enriched in LREEs relative to HREEs with(La/Yb)_N ratios of 3.85–18.56 and underwent major fractionation with strongly negative Eu anomalies(Eu/Eu~* = 0.38–0.66). In the MORB-normalized trace element variation diagram, all the samples are enriched in Ce and large ion lithophile elements such as Rb, Th, and K, and depleted in high field strength elements such as Nb, and Ti, with negative Sr and Ti anomalies. The I-type granites are enriched in LREEs with slight negative Eu anomalies(Eu/Eu~* = 0.83–0.93). They are characterized by the enrichment of highly incompatible elements(such as K, Rb, Ba, Th) and LREEs, relative to MORB. Neodymium isotopic data show that the S-type granites display ^(143)Nd/(^(144) Nd) values of 0.51241–0.51256, and have ε_(Nd)(t = 1055 Ma) values of(-3.29) to(-3.81). Calculated t_(DM) ages yield values from 1.87 to 1.91 Ga with the t_(DM).2 stg ages of 1.86 to 1.9 Ga. The I-type granites have ^(143)Nd/(^(144) Nd) ratios between 0.51192 and 0.51195, corresponding to initial ε_(Nd)(t = 837 Ma) values of 1.22 to 5.63. Calculated t_(DM) ages yield values from 1.0 to 1.38 Ga and the t_(DM).2 stg ages yield values from 0.99 to 1.06 Ga. The S-type granites are distinguished as syn-collision granite, whereas the I-type granites were formed as arc magmas according to the Rb-(Yb+Ta) and R_1-R_2 tectonic discrimination diagrams. To conclude, there are two types of spatially associated granite, the Mesoproterozoic S-type granite which were derived from remelting of upper crustal mudstone and/or clastics and resulted from the convergence of two continental plates, and the mid-Neoproterozoic I-type granite which formed in continental arc and resulted from mantle-derived magma mixed crust material, in the western Yangtze Block. Furthermore, we suggest that collision between the Yangtze and Cathaysia blocks occurred at about 1055 Ma, and caused the Stype granite. The I-type granite related to the subduction of oceanic lithosphere eastward underneath the Yangtze Block in the mid-Neoproterozoic.MABI Awei YANG Zhengxi ZHANG Mingchun WEN Dengkui LI Yanlong LIU Xuyang 2018Acta Geologica Sinica(English Edition)2018,92,1:4
9LyP-1 peptide-functionalized gold nanoprisms for SERRS imaging and tumor growth suppressing by PTT induced-hyperthermia显示文摘Gold-based nanomaterials with plasmonic properties exhibit various potentials for biomedical applications. In this work, gold nanoprisms (GNPs) was synthesized and then modified with LyP-1, a tumor-homing peptide, to improve the affinity of the GNPs to tumor cells, thus, to improve the efficacy of tumor-targeted photothermal therapy. The introduction of NIR dye IR780 not only enabled the GNPs-based nanosystem with the surface-enhanced resonant Raman scattering (SERRS) property, but also enhanced the plasmonic photothermal property which delivering therapeutic heating by 660 nm laser irradiation. The obtained GNPs/IR780-LyP-1 presented significantly increased of photothermal conversion in vitro and in vivo, which resulted in enhanced tumor-targeting photothermal therapeutic efficacy after laser irradiation. Hence, the GNPs/IR780-LyP-1 prepared in this study can be served as a Raman-encoded molecular imaging candidate and photothermal therapy agents for future cancer treatment.Xi Huang Yanlong Yin Min Wu Wang Zan Qian Yang 2019Chinese Chemical Letters2019,30,6:3
10A Numerical Algorithm Based on Quadratic Finite Element for Two-Dimensional Nonlinear Time Fractional Thermal Diffusion Model显示文摘In this article,a high-order scheme,which is formulated by combining the quadratic finite element method in space with a second-order time discrete scheme,is developed for looking for the numerical solution of a two-dimensional nonlinear time fractional thermal diffusion model.The time Caputo fractional derivative is approximated by using the L2-1formula,the first-order derivative and nonlinear term are discretized by some second-order approximation formulas,and the quadratic finite element is used to approximate the spatial direction.The error accuracy O(h3+t2)is obtained,which is verified by the numerical results.Yanlong Zhang Baoli Yin Yue Cao Yang Liu Hong Li 2020Computer Modeling in Engineering & Sciences2020,,3:3
11High-temperature mechanical properties of as-extruded AZ80 magnesium alloy at different strain rates显示文摘The mechanical properties of as-extruded AZ80 magnesium alloy at temperatures of 450-525℃ and strain rates of 3.0 s^(−1)and 0.15 s^(−1)were investigated by tensile tests.Zero ductility of alloy appeared at 500℃ with a strain rate of 0.15 s^(−1),while the zero strength and zero ductility of the alloy were obtained nearly simultaneously at 525℃ with a strain rate of 3.0 s^(−1).The results indicated that the lower strain rate accelerated the arrival of zero ductility.As the temperature increased,the failure mode of the alloy developed from trans-granular fracture to cleavage fracture and then to inter-granular fracture with the feature of sugar-like grains and fusion traces.The existence of the low-melting composite ofβ-Mg_(17)Al_(12) and Al_(8)Mn_(5) particles segregated near the Mg_(17)Al_(12) phase along grain boundaries were demonstrated to be the reason for the brittle fracturing of the AZ80 alloy at high temperatures.Furthermore,microstructural evolution at temperatures approaching the solidus temperature was discussed to clarify magnesium alloy’s high temperature deformation mechanism.Wenjun Liu Bin Jiang Hongchen Xiang Qing Ye Shengqi Xia Siqiang Chen Jiangfeng Song Yanlong Ma Mingbo Yang 2022International Journal of Minerals,Metallurgy and Materials2022,29,7:3
12Digital holographic microscopy with phase-shift-free structured illumination显示文摘When structured illumination is used in digital holographic microscopy(DHM),each direction of the illumination fringe is required to be shifted at least three times to perform the phase-shifting reconstruction.In this paper,we propose a scheme for spatial resolution enhancement of DHM by using the structured illumination but without phase shifting.The structured illuminations of different directions,which are generated by a spatial light modulator,illuminate the sample sequentially in the object plane.The formed object waves interfere with a reference wave in an off-axis configuration,and a CCD camera records the generated hologram.After the object waves are reconstructed numerically,a synthetic aperture is performed by an iterative algorithm to enhance the spatial resolution.The resolution improvement of the proposed method is proved and demonstrated by both simulation and experiment.Juanjuan Zheng Peng Gao Baoli Yao Tong Ye Ming Lei Junwei Min Dan Dan Yanlong Yang Shaohui Yan 2014Photonics Research2014,2,3:2
13Research on ultra-small textured surface of multicrystalline silicon solar cell显示文摘The ultra-small textured surface of multicrystalline silicon solar cell,prepared by electroless chemical-etching method,shows an excellent anti-reflection property over a wide spectral bandwidth.A novel back surface protection method and front surface passivation method have been used in the multicrystalline solar cells with ultra-small textured surfaces.With these improvements,the back surface remains intact after the etch process and the efficient minority lifetime is apparently increased.The test result shows that the solar cell with ultra-small textured surface can obtain better electrical performances by these improvements.LI HaoFeng JIA Rui DOU BingFei CHEN Chen XING Zhao YANG YongZhou DING WuChang MENG YanLong LIU XinYu YE TianChun LI ShangQing 2013Science China(Technological Sciences)2013,56,4:2
14Petrogenesis of Early Carboniferous Alkaline Basalt from the Wusun Mountain:Implications for Tectonic Evolution of the Western Yining Block,NW China显示文摘Late Paleozoic volcanic rocks are well exposed in the Yining Block,NW China,and are predominately composed of andesites,rhyolites and volcaniclastics as well as minor basalts.Study of the petrology,whole-rock geochemistry and zircon U-Pb dating for the Early Carboniferous alkaline basalts from Wusun Mountain,western Yining Block,constrains their petrogenesis and tectonic evolution.The alkaline basalts consist mainly of plagioclases,mostly albite and labradorite,as well as clinopyroxenes and olivines;zircon U-Pb dating indicates their formation at ca.350 Ma.Geochemically,the basaltic samples have low SiO_(2)contents,and high TiO_(2),Al_(2)O_(3)and alkaline contents,coupled with high Na_(2)O/K_(2)O ratios,displaying an alkaline basalt affinity.They show remarkable LILE enrichment and HFSE depletion.Meantime,these samples have relatively high TFe_(2)O_(3),MgO,and Mg#values as well as Ni and Cr,relatively high Sm/Yb and U/Th,suggesting origination from a mantle source metasomatized by slab fluids.They formed in a transitional tectonic setting from arc to intraplate,showing a typical affinity of back-arc basin basalts.The alkaline basalts were likely generated in a nascent back-arc extension setting resulting from slab rollback of the southern Tianshan oceanic lithosphere.A bidirectional subduction model seems more reasonable for the evolution of the southern Tianshan Ocean.These new data will provide a new tectonic model for Late Paleozoic tectonic evolution of the western Yining Block.WANG Zuopeng LV Yan LI Hai LI Yongjun ZHOU Yanlong LI Ganyu YANG Gaoxue 2021Acta Geologica Sinica(English Edition)2021,95,4:2
15Newly Discovered Fluvial-Lacustrine Sediments in the Western Yangtze Block and their Geological Significance for the Emeishan Large Igneous Province显示文摘Objective The Emeishan large igneous province(ELIP)in SW China is the only one large igneous province in China recognized by international geologists.Previous studies of ELIP over past two decades indicate that the ELIP age,duration,scale and generation mechanism are still controversial.Among those scientific topics。MABI Awei ZHANG Mingchun YANG Zhengxi LI Yanlong WEN Dengkui LIU Xuyang 2017Acta Geologica Sinica(English Edition)2017,91,2:2
16Preparation of superhydrophobic silver nano coatings with feather-like structures by electroless galvanic deposition显示文摘Superhydrophobic silver nanocoatings with feather-like morphology are fabricated on copper substrates by electroless galvanic deposition. The coating exhibit superhydrophobicity with a contact angle of 156.4° and glide angle of 4° without any further surface modification. Scanning electron microscope (SEM), X-ray diffraction (XRD) and contact angle measurements are used to investigate the morphology, crystal structure and superhydrophobicity, respectively, of the coatings. The coatings exhibit high thermal stability; their water contact angle did not change when the coatings were heated to 200°C for 2 h. The mechanism of superhydrophobicity of the silver coating is discussed based on the work of Amirfazli, Wenzel and Cassie.FENG XiaoJuan SHI YanLong WANG YongSheng YUE GuoRen YANG Wu 2013Chinese Science Bulletin2013,58,16:2
17Three‐Dimensional Co3O4@MnO2 Hierarchical Nanoneedle Arrays: Morphology Control and Electrochemical Energy Storage显示文摘Dezhi Kong Jingshan Luo Yanlong Wang Weina Ren Ting Yu Yongsong Luo Yaping Yang Chuanwei Cheng 2014Adv. Funct. Mater2014,,24:2
18The first record of Pavlova pinguis (Pavlovophyceae, Haptophyta) in China seas显示文摘One strain of unicellular flagellated yellow-green algae was successfully isolated from the coastal area near Tianjin in the Bohai Sea in May 2015. The strain ranged from round to elongated in shape. Most of the cells possessed active motility, and some cells formed non-motile aggregation. Based on evidences from morphology,ultrastructure and molecular analysis, we identified the strain as Pavlova pinguis which belonged to Pavlovophyceae, Haptophyta. For Pavlovophyceae, only Pavlova viridis(Diacronema viridis) was reported in China seas prior to this study and it played an important role in aquaculture. This is the first record of Pavlova pinguis in Chinese waters.ZHANG Xiaodong YANG Shuang SUN Jun QIAO Yanlong WANG Jing LIU Haijiao 2018Acta Oceanologica Sinica2018,37,10:2
19Transportation characteristics of motor vehicle pollutants near Beijing typical expressway显示文摘As a major source of air pollution in urban areas, the motor vehicle exhaust has attracted more and more attention due to its growing amount and serious harm to human health. It is of benefit to the pollutant control to make clear the transportation characteristics of vehicle exhausts. In this paper, the transportation characteristics of vehicle exhaust pollutants are investigated by means of the on-site measurement based on a typical Beijing expressway-Badaling expressway(G6 state expressway). The concentrations of CO, NO_x, SO_2 and particles near the expressway were obtained, by which the variations of the particle number and mass concentrations, as well as the gas pollutant volume concentrations in the vicinity of the roadways with the distance from the expressway were fitted. The results show that the gas pollutant concentrations and particle concentrations decrease almost exponentially with the distance from the expressway, which is helpful for the air pollutant database establishment and future pollution control in big cities.LI YanLong ZHANG DaiChao JIN XinMing YANG LiJun DU XiaoZe YANG YongPing 2016Science China(Technological Sciences)2016,59,3:2
20Fabrication of superhydrophobic ZnO nanorods surface with corrosion resistance via combining thermal oxidation and surface modification显示文摘Shi Yanlong Yang Wu Feng Xiaojuan 2015Materials Letters2015,155,15:1
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