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| 1 | In-situ fabrication of PtSe2/GaN heterojunction for self-powered deep ultraviolet photodetector with ultrahigh current on/off ratio and detectivity显示文摘The research of ultraviolet photodetectors(UV PDs)have been attracting extensive attention,due to their important applications in many areas.In this study,PtSe2/GaN heterojunction is in-situ fabricated by synthesis of large-area vertically standing two-dimensional(2D)PtSe2 film on n-GaN substrate.The PtSe2/GaN heterojunction device demonstrates excellent photoresponse properties under illumination by deep UV light of 265 nm at zero bias voltage.Further analysis reveals that a high responsivity of 193 mA·W^-1,an ultrahigh specific detectivity of 3.8 × 10^14 Jones,linear dynamic range of 155d B and current on/off ratio of^10^8,as well as fast response speeds of 45/102μs were obtained at zero bias voltage.Moreover,this device response quickly to the pulse laser of 266 nm with a rise time of 172 ns.Such high-performanee PtSe2/GaN heteroj u nction UV PD demonstrated in this work is far superior to previously reported results,suggesting that it has great potential for deep UV detection. | Ranran Zhuo Longhui Zeng Huiyu Yuan Di Wu Yuange Wang Zhifeng Shi Tingting Xu Yongtao Tian Xinjian Li Yuen Hong Tsang | 2019 | Nano Research2019，12，1： | 11 |
| 2 | Tribological properties of copper matrix composites reinforced with homogeneously dispersed graphene nanosheets显示文摘Graphene reinforced copper matrix composites(Gr/Cu) were fabricated by electrostatic self-assembly and powder metallurgy. The morphology and structure of graphene oxide, graphene oxide-Cu powders and Gr/Cu composites were characterized by scanning electronic microscopy, transmission electronic microscopy, X-ray diffraction and Raman spectroscopy, respectively. The effects of graphene contents,applied loads and sliding speeds on the tribological behavior of the composites were investigated. The results indicate that the coefficient of friction of the composites decreases first and then increases with increasing the graphene content. The lowest friction coefficient is achieved in 0.3 wt% Gr/Cu composite,which decreases by 65% compared to that of pure copper. The coefficient of friction of the composite does not have significant change with increasing the applied load, however, it increases with increasing the sliding speed. The tribological mechanisms of the composite under different conditions were also investigated. | Xin Gao Hongyan Yue Erjun Guo Shaolin Zhang Longhui Yao Xuanyu Lin Bao Wang Enhao Guan | 2018 | Journal of Materials Science & Technology2018，34，10： | 9 |
| 3 | A spatial-explicit dynamic vegetation model that couples carbon,water,and nitrogen processes for arid and semiarid ecosystems显示文摘Arid and semiarid ecosystems,or dryland,are important to global biogeochemical cycles.Dryland's community structure and vegetation dynamics as well as biogeochemical cycles are sensitive to changes in climate and atmospheric composition.Vegetation dynamic models has been applied in global change studies,but the complex interactions among the carbon(C),water,and nitrogen(N) cycles have not been adequately addressed in the current models.In this study,a process-based vegetation dynamic model was developed to study the responses of dryland ecosystems to environmental changes,emphasizing on the interactions among the C,water,and N processes.To address the interactions between the C and water processes,it not only considers the effects of annual precipitation on vegetation distribution and soil moisture on organic matter(SOM) decomposition,but also explicitly models root competition for water and the water compensation processes.To address the interactions between C and N processes,it models the soil inorganic mater processes,such as N mineralization/immobilization,denitrification/nitrification,and N leaching,as well as the root competition for soil N.The model was parameterized for major plant functional types and evaluated against field observations. | Chi ZHANG ChaoFan LI Xi CHEN GePing LUO LongHui LI XiaoYu LI Yan YAN Hua SHAO | 2013 | Journal of Arid Land2013，5，1： | 8 |
| 4 | Vertically standing PtSe_2 film: a saturable absorber for a passively mode-locked Nd:LuVO_4 laser显示文摘The novel vertically standing Pt Se2 film on transparent quartz was prepared by selenization of platinum film deposited by the magnetron sputtering method, and an Nd:Lu VO4 passively mode-locked solid-state laser was realized by using the fabricated Pt Se2 film as a saturable absorber. The X-ray diffraction pattern and Raman spectrum of the film indicate its good crystallinity with a layered structure. The thickness of Pt Se2 film is measured to be 24 nm according to the cross-section height profile of the atomic force microscope image. Highresolution transmission electron microscopy images clearly demonstrate its vertically standing structure with an interlayer distance of 0.54 nm along the c-axis direction. The modulation depth(ΔT) and saturation fluence(Φs)of Pt Se2 film are measured to be 12.6% and 17.1 μJ∕cm2, respectively. The obtained mode-locked laser spectrum has a central wavelength of 1066.573 nm, with a 3 d B bandwidth of 0.106 nm. The transform limited pulse width of the mode-locked laser was calculated to be 15.8 ps. A maximum average output power of 180 m W with a working repetition rate of 61.3 MHz is obtained. To the best of our knowledge, this is the first report of the generation of ultrafast mode-locked laser pulses by using layered Pt Se2 as a saturable absorber. | LILI TAO XIAOWEN HUANG JUNSHAN HE YAJUN LOU LONGHUI ZENG YONGHUI LI HUI LONG JINGBO LI LING ZHANG YUEN HONG TSANG | 2018 | Photonics Research2018，6，7： | 8 |
| 5 | Inverse design of digital nanophotonic devices using the adjoint method显示文摘A high-efficiency inverse design of'digital'subwavelength nanophotonic devices using the adjoint method is proposed.We design a single-mode 3dB power divider and a dual-mode demultiplexer to demonstrate the efficiency of the proposed inverse design approach,called the digitized adjoint method,for single-and dual-object optimization,respectively.The optimization comprises three stages:1)continuous variation for an'analog'pattern;2)forced permittivity biasing for a'quasi-digital'pattern;and 3)a multilevel digital pattern.Compared with the conventional brute-force method,the proposed method can improve design efficiency by about five times,and the performance optimization can reach approximately the same level.The method takes advantages of adjoint sensitivity analysis and digital subwavelength structure and creates a new way for the efficient and high-performance design of compact digital subwavelength nanophotonic devices,which could overcome the efficiency bottleneck of the brute-force method,which is restricted by the number of pixels of a digital pattern,and improve the device performance by extending a conventional binary pattern to a multilevel one. | KAIYUAN WANG XINSHU REN WEIJIE CHANG LONGHUI LU DEMING LIU MINMING ZHANG | 2020 | Photonics Research2020，8，4： | 7 |
| 6 | Relations of Uranium Enrichment and Carbonaceous Debris within the Daying Uranium Deposit, Northern Ordos Basin显示文摘Carbonaceous debris(CD)is widely distributed in the sandstone of the Daying Uranium Deposit,northern Ordos Basin,and coexists with uranium minerals,which provides a favorable case for studying their relationship.Vitrinite reflectance(VR),macerals,moisture,volatile matter,ash,total sulfur(S_t)and uranium concentration of CD within the sandstone were studied.The results show that VR ranges from 0.372%Ro to 0.510%Ro with an average value of 0.438%Ro,indicating that CD is in the stage of lignite.The contents of vitrinite(V),inertinite(I)and minerals range from 83.18%–99.48%,0–7.70%,and 0.34%–15.72%,respectively,with the corresponding average value of 95.51%,1.34%,and 3.15%,respectively which indicates that V is the major maceral.Moisture on air dried basis(M_(ad)),volatile matter yield on dry,ash-free basis(V_(daf)),ash yield on dried basis(A_d)and S_t mostly range from 7.95%–16.09%,44.70%–66.54%,4.84%–26.24% and 0.24%–1.12%,respectively,while their average values are 12.43%,53.41%,16.57% and 0.77%,respectively.It suggests that CD is of medium-high moisture,super-high volatile matter,low-medium ash and low sulfur.Uranium concentration ranges from 29 ppm to 92 ppm with an average value of 50 ppm,and uranium concentration increases with the decreased distance to CD.On the whole,M_(ad )and V_(daf) decrease with increasing burial depth,which indicates that CD experienced the burial metamorphism.However,M_(ad) and V_(daf) obviously decrease in uranium-rich areas whereas A_d and S_(t )noticeably increase.Comprehensive studies suggest that there is a certain relationship between uranium enrichment and CD.CD in the stage of lignite helps the adsorption of uranium.On one hand,radioactivity uranium enrichment makes organic matter maturation increase with a decrease in moisture and volatile matter.On the other hand,an increase in organic matter maturation,caused by radioactivity uranium enrichment,results in an increase in uranium minerals,which is instructive in the study of regional uranium mineralization and metallogenic regularity. | Fan Zhang Yangquan Jiao Liqun Wu Hui Rong Longhui Wang | 2019 | Journal of Earth Science2019，30，1： | 6 |
| 7 | Optical meta-waveguides for integrated photonics and beyond显示文摘The growing maturity of nanofabrication has ushered massive sophisticated optical structures available on a photonic chip.The integration of subwavelength-structured metasurfaces and metamaterials on the canonical building block of optical waveguides is gradually reshaping the landscape of photonic integrated circuits,giving rise to numerous metawaveguides with unprecedented strength in controlling guided electromagnetic waves.Here,we review recent advances in meta-structured waveguides that synergize various functional subwavelength photonic architectures with diverse waveguide platforms,such as dielectric or plasmonic waveguides and optical fibers.Foundational results and representative applications are comprehensively summarized.Brief physical models with explicit design tutorials,either physical intuition-based design methods or computer algorithms-based inverse designs,are cataloged as well.We highlight how meta-optics can infuse new degrees of freedom to waveguide-based devices and systems,by enhancing light-matter interaction strength to drastically boost device performance,or offering a versatile designer media for manipulating light in nanoscale to enable novel functionalities.We further discuss current challenges and outline emerging opportunities of this vibrant field for various applications in photonic integrated circuits,biomedical sensing,artificial intelligence and beyond. | Yuan Meng Yizhen Chen Longhui Lu Yimin Ding Andrea Cusano Jonathan A.Fan Qiaomu Hu Kaiyuan Wang Zhenwei Xie Zhoutian Liu Yuanmu Yang Qiang Liu Mali Gong Qirong Xiao Shulin Sun Minming Zhang Xiaocong Yuan Xingjie Ni | 2021 | Light(Science & Applications)2021，10，12： | 6 |
| 8 | Effects of Constant versus Fluctuating Incubation Temperatures on Hatching Success, Incubation Length, and Hatchling Morphology in the Chinese Skink (Plestiodon chinensis)显示文摘We incubated eggs of Plestiodon chinensis under five constant(24, 26, 28, 30, and 32 °C) and one fluctuating thermal regimes to examine the effects of constant versus fluctuating incubation temperatures on hatching success, incubation length, and hatchling morphology. The duration of incubation varied considerably among the six temperature treatments, whereas hatching success did not. The mean incubation length decreased as temperature increased in a nonlinear way, and increased as the thermal variance increased. Incubation temperature affected the body size(linear length and mass) and shape of hatchlings, with eggs incubated at 26, 28, and 30 °C producing larger and heavier hatchlings than did those incubated at 24 °C, 32 °C, or fluctuating temperatures. Our results showed that exposure of P. chinensis eggs to extreme temperatures for brief periods of time did not increase embryonic mortality and, in the fluctuating-temperature treatment, the thermal variance affected hatchling morphology more evidently than the thermal mean. Our results highlight the importance of the thermal variance in affecting embryonic development and hatchling morphology, and add further evidence that temperatures within the range of 26-30 °C are optimal for P. chinensis embryos. | Wen SHEN Jianchi PEI Longhui LIN Xiang JI | 2017 | Asian Herpetological Research2017，18，4： | 5 |
| 9 | Differential expression of immune-related genes between healthy volunteers and type 2 diabetic patients with spleen-deficiency pattern显示文摘OBJECTIVE: To investigate the clinical differentiation of spleen-deficiency pattern(SDP), a group of symptoms and signs defined in terms of Traditional Chinese Medicine for its clinical practice.METHODS: Peripheral venous blood(> 3 m L) was collected from each of six type 2 diabetes mellitus(T2DM)-SDP patients and six healthy volunteers. After the isolation of peripheral white blood cells(PWBCs), total RNA was extracted, and quality control was performed on all RNA samples. Microarray experiments were conducted using the Agilent human whole genome gene chip, and genes demonstrating differential expression were screened. Bioinformatics analysis was conducted on these genes using several online databases.RESULTS: We screened a total of 175 differentially expressed genes(DEGs), of which 111(63%) were down-regulated and 64(37%) were up-regulated in T2DM-SDP patients compared with healthy controls. Among the 175 genes, 158 had biological function annotations: 46(29%) were directly related to an individual's immune regulation or response, 25(16%) were associated with substance and energy metabolism of PWBCs which could also indirectly influence immunity, and the remaining87(55%) were involved in a variety of PWBC biological processes that might eventually influence the immune function. Kyoto Encyclopedia of Genes and Genomes pathway enrichment analysis revealed that the DEGs were predominantly enriched in seven immune-related pathways. Hierarchical cluster analysis identified gene expression patterns that were distinguishable between the two study groups.CONCLUSION: Our results suggest that T2DM-SDP patients experience significant hypoimmunity and/or immune dysfunctions, and possess a specific gene expression profile. These findings offer new insights into SDP and the clinical pattern differentiation of T2DM-SDP. | Chen Longhui Yang Zemin Chen Weiwen Li Ruliu Lin Chuanquan Guan Lihua Zhu Zhangzhi Chen Ruifang Li Saimei Zhao Lingbo Zeng Jinhao Wang Jianhua | 2015 | Journal of Traditional Chinese Medicine2015，35，6： | 5 |
| 10 | Wearable CNT/Ti_(3)C_(2)T_(x)MXene/PDMS composite strain sensor with enhanced stability for real-time human healthcare monitoring显示文摘Strain sensors with good stability are vital to the development of wearable healthcare monitoring systems.However,the design of strain sensor with both duration stability and environmental stability is still a challenge.In this work,we propose an ultra-stable and washable strain sensor by embedding a coupled composite film of carbon nanotube(CNT)and Ti_(3)C_(2)T_(x) MXene into polydimethylsiloxane(PDMS)matrix.The composite strain sensor with embedded microstructure and uneven surface makes it conformal to skin,while the CNT/MXene sensing layer exhibits a resistance sensitive to strain.This sensor shows reliable responses at different frequencies and with long-term cycling durability(over 1,000 cycles).Meanwhile,the CNT/MXene/PDMS composite strain sensor provides the advantages of superior anti-interference to temperature change and water washing.The results demonstrate less than 10%resistance changes as the temperature rises from-20 to 80℃or after sonication in water for 120 min,respectively.The composite sensor is applied to monitor human joint motions,such as bending of finger,wrist and elbow.Moreover,the simultaneous monitoring of the electrocardiogram(ECG)signal and joint movement while riding a sports bicycle is demonstrated,enabling the great potential of the as-fabricated sensor in real-time human healthcare monitoring. | Xiaowen Xu Yucheng Chen Pei He Song Wang Kai Ling Longhui Liu Pengfei Lei Xianjun Huang Hu Zhao Jianyun Cao Junliang Yang | 2021 | Nano Research2021，14，8： | 5 |
| 11 | Review of lithium-ion battery state of charge estimation显示文摘The technology deployed for lithium-ion battery state of charge(SOC)estimation is an important part of the design of electric vehicle battery management systems.Accurate SOC estimation can forestall excessive charging and discharging of lithium-ion batteries,thereby improving discharge efficiency and extending cycle life.In this study,the key lithium-ion battery SOC estimation technologies are summarized.First,the research status of lithium-ion battery modeling is introduced.Second,the main technologies and difficulties in model parameter identification for lithium-ion batteries are discussed.Third,the development status and advantages and disadvantages of SOC estimation methods are summarized.Finally,the current research problems and prospects for development trends are summarized. | Ning Li Yu Zhang Fuxing He Longhui Zhu Xiaoping Zhang Yong Ma Shuning Wang | 2021 | Global Energy Interconnection2021，4，6： | 5 |
| 12 | An analysis of oasis evolution based on land use and land cover change: A case study in the Sangong River Basin on the northern slope of the Tianshan Mountains显示文摘自从1950年代,调查绿洲进化和外设的变化由重建七张陆地盖子地图在 Sangong 河盆抛弃的这研究源于黑白天线相片( 1958 , 1968 ,和 1978 ),一张颜色红外线的天线相片( 1987 ), Landsat 题目的 Mapper ( TM )形象( 1998 ),卫星倒 lObservation de la Terre (点)形象( 2004 ),和 Landsat 运作的陆地成像器( OLI )形象( 2014 )。结果显示出那:(1 ) 自从 1950,绿洲连续地从一把冲积扇子膨胀了超过四次到一个冲积平原,引起荒芜的风景的收缩那被一个 Haloxylon ammodendron Bunge 社区(HBC ) 和一个 Tamarix chinensis 愁相社区(TLC ) 统治。而且,主要(1958-1968 ) 并且期末考试(2004-2014 ) 舞台是最重要的时期在哪个农业土地在时期 1958-1968 期间经历了最快速的扩大期间,并且布满建筑物区域在 2000 年代以后显示出最快速的扩大。(2 ) 二个基本管理模式,本地政府形成的一个本地模式和一个农场管理模式由 Xinjiang 生产和构造军团发展了,一起在各种各样的陆地使用和 landcover (LULC ) 下面的支持的绿洲进化上演。(3 ) 现代绿洲的进化在 1950s-2004 期间显示出干旱绿洲的一般特征,当在 2004-2014 的时期期间它被大规模内部盆的水消遣或新水来源的进口描绘时。(4 ) 绿洲在损坏荒芜的植被的情况下膨胀了,导致在荒芜的植物社区的结构的不同变化,它将使保护荒芜的生态系统更困难。 | ZHANG Qi LUO Geping LI Longhui ZHANG Miao LV Nana WANG Xinxin | 2017 | Journal of Geographical Sciences2017，27，2： | 4 |
| 13 | Highly sensitive solar-blind deep ultraviolet photodetector based on graphene/PtSe_(2)/β-Ga_(2)O_(3)2D/3D Schottky junction with ultrafast speed显示文摘There is an emerging need for high-sensitivity solar-blind deep ultraviolet(DUV)photodetectors with an ultra-fast response speed.Although nanoscale devices based on Ga_(2)O_(3)nanostructures have been developed,their practical applications are greatly limited by their slow response speed as well as low specific detectivity.Here,the successful fabrication of two-/three-dimensional(2D/3D)graphene(Gr)/PtSe2/β-Ga_(2)O_(3)Schottky junction devices for high-sensitivity solar-blind DUV photodetectors is demonstrated.Benefitting from the high-quality 2D/3D Schottky junction,the vertically stacked structure,and the superior-quality transparent graphene electrode for effective carrier collection,the photodetector is highly sensitive to DUV light illumination and achieves a high responsivity of 76.2 mA/W,a large on/off current ratio of~105,along with an ultra-high ultraviolet(UV)/visible rejection ratio of 1.8×104.More importantly,it has an ultra-fast response time of 12µs and a remarkable specific detectivity of~1013 Jones.Finally,an excellent DUV imaging capability has been identified based on the Gr/PtSe2/β-Ga_(2)O_(3)Schottky junction photodetector,demonstrating its great potential application in DUV imaging systems. | Di Wu Zhihui Zhao Wei Lu Lukas Rogée Longhui Zeng Pei Lin Zhifeng Shi Yongtao Tian Xinjian Li Yuen Hong Tsang | 2021 | Nano Research2021，14，6： | 4 |
| 14 | Research on the environmental capacity of a reservoir by using the conceptual net method显示文摘The aquatic environment capacity possesses the largest tolerance to pollutants. We can improve the calculating precision using the conceptual net method. Its basic ways involved in calculation include the following aspects: first, to establish the flow continuity equation, flow motion equation, water quality equation and other mathematical models; at the same time, to conceptualize the reservoir studied, divide the reservoir into several functional areas, and use the one-dimensional section-beginning calculation model to calculate all cross-sections of each functional area; then, to superimpose the environmental capacity of each functional section to get the aquatic environment capacity of the entire two-dimensional space; and finally, to introduce how to make use of the conceptual net to calculate the aquatic environment capacity in terms of the actual reservoir's situation. | ZHOUFuchun HUANG Min ZHANG Longhui | 2009 | Chinese Journal Of Geochemistry2009，28，2： | 3 |
| 15 | A novel and versatile method for the enantioselective syntheses of tropane alkaloids显示文摘A full account of the novel and flexible approach to hydroxylated 8-azabicyclo[3,2,1]octan-3-ones and 9-azabicyclo[3,3,1]nonan-3-ones is presented.Using keto-lactams as the starting materials,this two-step method consists of silyl enol ether formation with TBDMSOTf,lactam activation with Tf2O/DTBMP,and halide-promoted cyclization.Radical dechlorination of the resulting 1-halotropan-3-ones led to the corresponding hydroxylated tropan-3-ones,which can be hydrogenated to yield3,6-dihydroxytropanes.Starting from optically active keto-lactams,the method has been applied to the enantioselective syntheses of(+)-(1S,3S,5R,6S)-pervilleine C(6),(+)-(1S,3R,5S,6R)-valeroidine(3),(+)-(1S,3S,5R,6S)-dibenzoyloxytropane(8),and(+)-(1S,3S,5R,6S)-merredissine(9). | MAO ZhongYi HUANG SuYu GAO LongHui WANG AiE HUANG PeiQiang | 2014 | Science China Chemistry2014，57，2： | 3 |
| 16 | A new method for evaluating the oil mobility based on the relationship between pore structure and state of oil显示文摘An accurate evaluation of the shale oil mobility is crucial to its cost-effective exploitation.This study presents a method to assess shale oil mobility by integrating the pore structure and oil states distributions.First,a set of three discrete organic extracts(EOM-A,B and C)were obtained by sequential extraction.The relationships among the EOMs and the oil states were inferred from the group compositions and fluorescence properties of the produced shale oil(free state).The results showed that EOMs A and B represent free oil in the open and closed pores,respectively,while the EOM-C represents adsorbed oil.Then,NMR T_(1)-T_(2)map is used to determine the T_(2-cutoff)values that indicate the pore size ranges of different oil states.Free oil resides mainly in larger pore space(T_(2)>0.5 ms),while the adsorbed oil in smaller pore space(0.2 ms0.5 and T_(2-cutoff)>1.0 ms suggest that the free oil in connected pores has the highest mobility.This work can provide a reference for evaluating the shale oil potential and prospectivity in other regions. | Longhui Bai Bo Liu Xiaofei Fu Qinhong Hu Qiuli Huo Liu Wang Qiming Wang Li FuMehdi Ostadhassan | 2023 | Geoscience Frontiers2023，14，6： | 2 |
| 17 | Modeling the contribution of abiotic exchange to CO_2 flux in alkaline soils of arid areas显示文摘Recent studies on alkaline soils of arid areas suggest a possible contribution of abiotic exchange to soil CO2 flux(Fc).However,both the overall contribution of abiotic CO2 exchange and its drivers remain unknown.Here we analyzed the environmental variables suggested as possible drivers by previous studies and constructed a function of these variables to model the contribution of abiotic exchange to Fc in alkaline soils of arid areas.An automated flux system was employed to measure Fc in the Manas River Basin of Xinjiang Uygur autonomous region,China.Soil pH,soil temperature at 0–5 cm(Ts),soil volumetric water content at 0–5 cm(θs)and air temperature at10 cm above the soil surface(Tas)were simultaneously analyzed.Results highlight reduced sensitivity of Fc to Ts and good prediction of Fc by the model Fc=R10Q10(Tas–10)/10+r7q7(pH–7)+λTas+μθs+e which represents Fc as a sum of biotic and abiotic components.This presents an approximate method to quantify the contribution of soil abiotic CO2 exchange to Fc in alkaline soils of arid areas. | WenFeng WANG Xi CHEN GePing LUO LongHui LI | 2014 | Journal of Arid Land2014，6，1： | 2 |
| 18 | Influence of synthesis temperatures on the crystalline grain growth and morphology of lanthanum magnesium hexaaluminate显示文摘Lanthanum magnesium hexaaluminate(LaMgAl_(11)O_(19), LMA) was prepared at different temperatures by solid-state reaction. Phase compositions and crystal morphologies of specimens synthesized at different temperatures were investigated using X-ray diffraction(XRD), scanning electron microscopy(SEM). It was observed that the crystalline grain size of LMA was not only dependent on the preparation temperature but also on its powder morphology. In the temperature range of 1300 e1550℃, LMA showed platelet grain and the average crystalline grain size increases with the increase in temperature. At1600℃, if the powder was sintered for two times, the equiaxed grain could be found with the decrease in grain space, resulting in the reduction of the crystalline grain size. Styles of specimens(powder or disk) might have no obvious influence on morphologies and sizes of LMA crystalline grains which were synthesized with the well-dispersed raw material mixtures. The synthesis temperature played a key role in influencing the free space for the formation and growth of crystalline grains. | Junbin Sun Jinshuang Wang Wenzhi Huang Yu Hui Xin Zhou Lifen Li Jianing Jiang Longhui Deng Yunya Niu Shujuan Dong Xueqiang Cao | 2017 | Journal of Rare Earths2017，35，12： | 2 |
| 19 | Age-related Variation in Snake Venom: Evidence from Two Snakes (Naja atra and Deinagkistrodon acutus) in Southeastern China显示文摘In this study we explored electrophoretic profiles, enzymatic activities and immunoreactivity of neonate and adult venoms from two snakes(Naja atra and Deinagkistrodon acutus) coexisting in southeastern China. Age-related variation in electrophoretic profiles was found in both species and proteolytic and fibrinogenolytic activity was higher in neonate than adult venoms. Neonate D. acutus venom had higher 5'nucleotidase, PLA2, hyaluronidase and gelatinolytic activity, but lower esterolytic activity, than adult venom. Neonate and adult D. acutus venoms showed identical phosphomonoesterase, LAO and fibrinolytic activities. Neonate N. atra venom had higher phosphomonoesterase and LAO activity, but lower 5' nucleotidase, PLA2, hyaluronidase and AchE activities than adult venom. Neonate and adult N. atra venoms showed similar gelatinolytic activity. Further, age-dependent immunoreactivity was found in both species, and cross-reactions between homologous venoms and antiserums were closely related to venom composition. We speculate that age-related variation in venom characteristics is possibly driven by evolutionary forces associated with ontogenetic shifts in dietary habits, competition and predation pressure. | Ying HE Jianfang GAO Longhui LIN Xiaomei MA Xiang JI | 2014 | Asian Herpetological Research2014，5，2： | 2 |
| 20 | Species Diversity and Elevational Distribution of Amphibians in the Xianxialing and Wuyishan Mountain Ranges,Southeastern China显示文摘The species diversity and altitudinal distribution of amphibians along an eleva tional gradient of 200-1600 m in the Xianxialing and Wuyishan Mountain Ranges in Southeastern China were investiga ted through time-constra ined visual surveys along 32 transect lines in 9 survey areas,in which the ha bitat types were also recorded.A total of 27 amphibian species belonging to 19 genera,7 families,and 2 orders were found.The species diversity of the amphibians plateaued at low elevation,and the altitudinal boundary of their distribution was at 800 m.Their species compositions were dissimilar in the two mountain ranges probably beca use the annual average temperature and annual rainfall were different in both areas.The eleva tional Rapoport's rule demonstrated that the species range size of the amphibians expanded as the elevation increased in both mountain ranges.The results of the cross species method supported the rule only when the influence of the low-frequency occurrence proba bility of an investigated species was excluded,whereas those of the Steven's method strongly corroborated the rule rega rdless of the incidental occurrence or absence of the species. | Zhiqiang CHEN Yun TANG Yingying WANG Yindie LI Longhui LIN Guohua DING | 2020 | Asian Herpetological Research2020，11，1： | 2 |
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