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Journal of Integrative Agriculture 2018年第10期17卷 2215-2221页

作者： CHEN Hua-tao LIU Xiao-qing ZHANG Hong-mei yuan xing-xing gu He-ping CUI Xiao-yan CHEN Xin Institute of Industrial Crops Jiangsu Academy of Agricultural Sciences

Salt stress is one of the major abiotic stresses affecting soybean growth. Genetic improvement for salt tolerance is an effective way to protect soybean yield under salt stress conditions. Successful improvement of salt tolerance in soybean relies on identifying genetic variation that confers tolerance in soybean germplasm and subsequently incorporating these genetic resources into cultivars. In this review, we summarize the progress in genetic diversity and genetics of salt tolerance in soybean, which includes identifying genetic diversity for salt tolerant germplasm; mapping QTLs conferring salt tolerance; map-based cloning; and conducting genome-wide association study（GWAS） analysis in soybean. Future research avenues are also discussed, including high throughput phenotyping technology, the CRISPR/Cas9 Genome-Editing System, and genomic selection technology for molecular breeding of salt tolerance.

关键词： soybean genetic variation heredity gene identification salinity improvement

Surface diffraction beamline at the SSRF

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Nuclear Science and Techniques 2024年第7期35卷 47-57页

作者： Yue-Liang gu Xu Zheng xing-Min Zhang Bin Zhao guang-Zhi Yin Da-Ming Zhu yuan-He Sun xing-Yu Gao Xiao-Long Li Shanghai Advanced Research Institute Chinese Academy of Sciences239 Zhangheng RoadPudong DistrictShanghai201204China

BL02U2 of the Shanghai Synchrotron Radiation Facility is a surface diffraction beamline with a photon flux of 5.5×10^(12) photons/s at 10 keV and a beam size of 160µm×80µm at the sample *** is dedicated to studying surfaces(solid-vacuum,solid-gas)and interfaces(solid-solid,solid-liquid,and liquid-liquid)in nanoscience,condensed matter,and soft matter systems using various surface scattering techniques over an energy range of 4.8-28 keV with transmission and reflection ***,BL02U2 has a high energy resolution,high angular resolution,and low beam divergence,which can provide excellent properties for X-ray diffraction experiments,such as grazing incident X-ray diffraction,X-ray reflectivity,crystal truncation rods,and liquid X-ray *** of in situ environments can also be provided for the samples *** paper describes the setup of the new beamline and its applications in various fields.

关键词： Surface and interface Beamline Surface diffraction Microstructure

Synthesis and Characterization of Polyaniline/MgTiO_(3) Composite with Excellent Thermal and Electrochemical Performance

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Journal of Wuhan University of Technology(Materials Science) 2021年第5期36卷 730-736页

作者： JIN Yazhou xing Weiwei ZHAO Siyu gu Xiaojie CHI Liping yuan Meng XU Fen WANG Shaoxu College of Materials Science and Engineering Dalian Jiaotong UniversityDalian 116028China Dalian Eco-environmental Affairs Service Center Dalian 116028China guangxi Key Laboratory of Information Materials(guilin University of Electronic Technology) Guilin 541004China College of Environmental and Chemical Engineering Dalian Jiaotong UniversityDalian 116028China

This article explores the effects of doping ferroelectric materials MgTiO_(3) with different proportions on the properties of polyaniline(PANI).PANI/MgTiO_(3) composites were prepared by in-situ composite *** transform infrared spectroscopy(FTIR)and X-ray diffraction(XRD)were used to characterize the structure of the *** electron microscope(SEM)was used to characterize the morphology of the *** thermal stability of the composites was investigated by thermogravimetry(TG)and derivative thermogravimetry(DTG).Electrochemical methods(cyclic voltammetry(CV),electrochemical impedance spectroscopy(EIS),and constant current charge-discharge test)were used to compare and analyze the electrochemical performance of the ***-DTG analysis and electrochemical experiments all show that the thermal stability and electrochemical properties of the PANI/MgTiO_(3) composite with a mass ratio of 82/18(w/w)are the *** results indicate that there is a synergistic effect between PANI and MgTiO_(3),which improves the performances of the PANI when the appropriate amount of MgTiO_(3) is added.

关键词： PANI/MgTiO_(3)composites in-situ composite method thermal stability electrochemical performance

Two Types of Flash Drought and Their Connections with Seasonal Drought

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Advances in Atmospheric Sciences 2018年第12期35卷 1478-1490页

作者： Linying WANG xing yuan Key Laboratory of Regional Climate–Environment for Temperate East Asia Institute of Atmospheric PhysicsChinese Academy of Sciences

Flash drought is a rapidly intensifying drought with abnormally high temperature,which has greatly threatened crop yields and water supply,and aroused wide public concern in a warming ***,the preferable hydrometeorological conditions for flash drought and its association with conventional drought at longer time scales remain ***,we investigate two types of flash drought over China:one is high-temperature driven(Type Ⅰ),while the other is water-deficit driven(Type Ⅱ).Results show that the frequencies of the two types of flash drought averaged over China during the growing season are *** I flash drought tends to occur over southern China,where moisture supply is sufficient,while Type Ⅱ is more likely to occur over semi-arid regions such as northern *** types of flash drought increase significantly(p<0.01)during 1979–2010,with a doubled rise in Type Ⅰ as compared with Type Ⅱ.Composite analysis shows that high temperature quickly increases evapotranspiration(ET)and reduces soil moisture from two pentads before the onset of Type Ⅰ flash *** contrast,there are larger soil moisture deficits two pentads before the onset of Type Ⅱ flash drought,leading to a decrease in ET and increase in *** flash drought associated with seasonal drought,there is a greater likelihood of occurrence during the onset and recovery phases of seasonal drought,suggesting perfect conditions for flash drought during transition *** study provides a basis for the early warning of flash drought by connecting multiscale drought phenomena.

关键词： flash drought climate change soil moisture evapotranspiration seasonal drought

Synergistic Effects of Glutamine Deprivation and Metformin in Acute Myeloid Leukemia

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Current Medical Science 2024年第4期44卷 799-808页

作者： Tong-yuan LIU xing FU Ying YANG Jia gu Min XIAO Deng-ju LI Department of Hematology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China

Objective The metabolic reprogramming of acute myeloid leukemia(AML)cells is a compensatory adaptation to meet energy requirements for rapid *** study aimed to examine the synergistic effects of glutamine deprivation and metformin exposure on AML *** SKM-1 cells(an AML cell line)were subjected to glutamine deprivation and/or treatment with metformin or bis-2-(5-phenylacetamido-1,2,4-thiadiazol-2-yl)ethyl sulfide(BPTES,a glutaminase inhibitor)or *** viability was detected by Cell Counting Kit-8(CCK-8)assay,and cell apoptosis and reactive oxygen species(ROS)by flow *** blotting was conducted to examine the levels of apoptotic proteins,including cleaved caspase-3 and poly(ADP-ribose)polymerase(PARP).Moreover,the human long noncoding RNA(lncRNA)microarray was used to analyze gene expression after glutamine deprivation,and results were confirmed with quantitative RT-PCR(qRT-PCR).The expression of metallothionein 2A(MT2A)was suppressed using *** growth and apoptosis were further detected by CCK-8 assay and flow cytometry,respectively,in cells with MT2A *** Glutamine deprivation or treatment with BPTES inhibited cell growth and induced apoptosis in SKM-1 *** lncRNA microarray result showed that the expression of MT family genes was significantly upregulated after glutamine ***2A knockdown increased apoptosis,while proliferation was not affected in SKM-1 *** addition,metformin inhibited cell growth and induced apoptosis in SKM-1 *** glutamine deprivation and metformin enhanced the sensitivity of SKM-1 cells to ***,the combination of glutamine deprivation with metformin exhibited synergistic antileukemia effects on SKM-1 *** Targeting glutamine metabolism in combination with metformin is a promising new therapeutic strategy for AML.

关键词： glutamine metformin acute myeloid leukemia metallothionein

Nonlinear dynamical systems and bistability in linearly forced isotropic turbulence

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Acta Mechanica Sinica 2013年第6期29卷 823-826页

作者： Zheng Ran xing-Jie yuan Shanghai Institute of Applied Mathematics and Mechanics Shanghai University

In this paper, we present an extensive study of the linearly forced isotropic turbulence. By using analytical method, we identify two parametric choices, of which they seem to be new as far as our knowledge goes. We prove that the underlying nonlinear dynamical system for linearly forced isotropic turbulence is the general case of a cubic Lienard equation with linear damping. We also discuss a FokkerPlanck approach to this new dynamical system, which is bistable and exhibits two asymmetric and asymptotically stable stationary probability densities.

关键词： Isotropic turbulence Nonlinear dynamical system Karman-Howarth equation

Construction of novel g-C_(3)N_(4)/β-FeOOH Z-Scheme heterostructure photocatalyst modified with carbon quantum dots for efficient degradation of RhB

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Journal of Materials Science & Technology 2024年第14期181卷 11-19页

作者： Juhua Luo xing Liu Jieliang gu Wenjie Zhao Minming gu Yu Xie School of Materials Science and Engineering Yancheng Institute of TechnologyYancheng 224051China Jiangsu Provincial Key Laboratory of Eco-Environmental Materials Yancheng Institute of TechnologyYancheng 224051China College of Environment and Chemical Engineering Nanchang Hangkong UniversityNanchang 330063China

The degradation of organic pollutants using semiconductor photocatalysts is a new ecological approach,but the currently available photocatalysts are not very ***,in order to obtain efficient visible-light photocatalysts,g-C_(3)N_(4)/β-FeOOH-modified carbon quantum dots(CDs)composite photocat-alysts with Z-Scheme charge transfer mechanism were successfully *** phase composition and morphology of the composite were characterized by X-ray diffraction(XRD),scanning electron mi-croscopy(SEM),transmission electron microscopy(TEM),Fourier transform infrared spectrophotometry(FT-IR),and X-ray photoelectron spectroscopy(XPS)*** to the upconversion effect of the CDs,the optical response range of the composite was effectively widened,and the optical utilization rate was *** Z-Scheme heterostructure not only improves the light trapping ability,significantly inhibits charge-carrier complexation,and realizes the spatial separation of redox sites,but also ensures that the photocatalyst maintains a suitable valence-conductivity band position and maintains the strong redox *** addition,CDs have the unique characteristics of electronic storage and transfer,which effectively enhance the quantum separation efficiency of the *** photocatalytic efficiency was measured by degrading rhodamine B(RhB)under visible *** degradation performance was the best when the weight ratio of CDs was 6%,and the RhB solution degradation rate reached 100%in 60 *** unique structure and reliable mechanism provide a way for the development of advanced photocat-alyst.

关键词： Photocatalyst Degradation Visible light g-C_(3)N_(4) Carbon quantum dots

Dynamical characteristics of geomorphologic evolution of the basins covered by Pisha-sandstone in the eastern wing of the Ordos Plateau, China

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Journal of Mountain Science 2018年第5期15卷 1046-1056页

作者： gu Zhen-kui SHI Chang-xing Key Laboratory of Water Cycle and Related Land Surface Processes Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing 100101 China University of Chinese Academy of Sciences Beijing 100049 China

There are several basins with high sediment yield in the Pisha-sandstone covering area of the east wing of the Ordos Plateau. Due to the lack of targeted research on the dynamical characteristics of geomorphic evolution that plays an important role in the sand production, this paper analyzed the tectonic activity intensity and erosion characteristics of the area. The results show that the intensity of tectonic activities in the area is generally moderateweak and shows an unconspicuous increase from north to south. Tectonic activity is manifested mainly in the form of uplift. The uplift rate in the lower reaches of each basin is greater than the erosion rate,which is prominent in the Kuyehe and the Tuweihe rivers. During the uplift of the regional topography,the most serious parts under erosion are generally concentrated in the upstream and midstream of basins. All longitudinal profiles of the basins have a shape close to an exponential function, which indicates that they are in the early stage of erosion evolution. The mechanisms of geomorphologic evolution of these basins have a great similarity. The conservative estimate of historical average erosion rate was less than 182–520 t/(km^2·yr), much less than that of the modern times. The average stream power values are typically distributed between 4 and102 W/m, with the larger being in the Kuyehe and the Tuweihe rivers and the smallest being in the Qinshuihe River. The maximum stream power value appears in the downstream reach, which should be the main reason for the particles being directly injected into the Yellow River. From the perspective of geomorphological evolution, the current soil and water conservation measures can hardly cure the erosion of these basins in the long run.

关键词： Dynamic characteristics Geomorphologic evolution Ordos Plateau Tectonicactivity Stream power Geomorphological parameter

Phosphorylation of NF2 at Serine-13 by MAP4K family kinases mediates pathological angiogenesis

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Protein & Cell 2023年第2期14卷 137-142页

作者： Mingyue Ma Zhenxing Zhong Yuwen Zhu yuan gu Ruxin Jin Zhipeng Meng Yu Wang Fa-xing Yu Institute of Pediatrics Children's Hospital of Fudan Universityand the Shanghai Key Laboratory of Medical Epigeneticsthe International Co-laboratory of Medical Epigenetics and Metabolismthe State Key Laboratory of Genetic EngineeringInstitutes of Biomedical SciencesShanghai Medical CollegeFudan UniversityShanghai 200032China Department of Molecular and Cellular Pharmacology and Sylvester Comprehensive Cancer Center University of Miami Miller School of MedicineMiamiFL 33136USA

Dear Editor,Angiogenesis is vital for the development and maintenance of functional organs,and also participates in diverse pathological processes,such as wound healing,oxygen tension,and tumorigenesis(Potente et al.,2011).Thus,understanding the molecular mechanisms responsible for angiogenesis has important clinical implications and may guide strategies for drug development.

关键词： angiogenesis healing organs

First principle study on the possibilities of magnetism in one-dimensional In and Tl atomic wires with the full-potential linearized augmented plane wave method

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Acta Metallurgica Sinica(English Letters) 2009年第2期22卷 117-122页

作者： Zhili ZHU Jinhua gu Yu JIA xing HU School of Physical Engineering and Material Physics Laboratory Zheng Zhou University Zhengzhou 450052 China

Using ab initio total energy calculations with the full-potential linearized augmented plane wave method, the possibilities of magnetism in one-dimensional In and Tl wires were explored and their properties as the function of geometric structures were studied. The results suggest that the linear In and Tl wires show magnetization at the equilibrium bond distance with magnetic moments of 0.71 and 0.67 μB/atom, respectively. Allowing ions to relax, the wires were deformed as zigzag structures, but no dimerization occurs. The zigzag wires also exhibit spontaneous magnetization, although the magnetic moments are lower than those of straight wires.

关键词： Magnetism Atomic wire First-principle-study