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| 1 | Transmission Dynamics of an Outbreak of the COVID-19 Delta Variant B.1.617.2——Guangdong Province,China,May-June 2021显示文摘On May 21,2021,a local case of coronavirus disease 2019(COVID-19)was confirmed in a 75-year-old woman(experienced onset of symptoms on May 18)in Liwan District,Guangzhou City,Guangdong Province,China.The number of infections has increased in the following 10 days and led to 5 generations of transmission. | Meng Zhang Jianpeng Xiao Aiping Deng Yingtao Zhang Yali Zhuang Ting Hu Jiansen Li Hongwei Tu Bosheng Li Yan Zhou Jun Yuan Lei Luo Zimian Liang Youzhi Huang Guoqiang Ye Mingwei Cai Gongli Li Bo Yang Bin Xu Ximing Huang Yazun Cui Dongsheng Ren Yanping Zhang Min Kang Yan Li | 2021 | China CDC weekly2021，3，27： | 51 |
| 2 | Vanadium recovery from clay vanadium mineral using an acid leaching method显示文摘包括直接酸的沥滤的一种技术,钒降水与碱,钠氢氧化物重新沥滤,杂质由由烤步调整 pH 价值,有铵氯化物的降水钒,和钒 pentoxide 搬迁根据 Xichuan 的特征被建议泥土钒矿物质。影响象温度和硫磺的酸的集中那样的沥滤的钒的因素被调查并且优化。试验性的结果显示 V2O5 的摘录比率能分别地在 3% 的钠氯酸盐比率和 3% 的锰二氧化物比率到达 94% 和 92% 。一个完全化学的降水方法被采用清除并且在酸的沥滤溶液充实钒。X 光检查衍射(XRD ) 模式和钒 pentoxide 的纯净分析显示最后的钒 pentoxide 的纯净能到达 99% 并且遇见标准说明。全部的恢复能到达大约 75% 。这种技术作为与传统的咸烤方法相比有简洁,更少的投资,和更多的环境安全的特征。 | LI Haoran FENG Yali LIANG Jianglong LUO Xiaobing DU Zhuwei | 2008 | Rare Metals2008，27，2： | 23 |
| 3 | Assimilating Doppler radar observations with an ensemble Kalman filter for convection-permitting prediction of convective development in a heavy rainfall event during the pre-summer rainy season of South China显示文摘This study examines the effectiveness of an ensemble Kalman filter based on the weather research and forecasting model to assimilate Doppler-radar radial-velocity observations for convection-permitting prediction of convection evolution in a high-impact heavy-rainfall event over coastal areas of South China during the pre-summer rainy season. An ensemble of 40 deterministic forecast experiments(40 DADF) with data assimilation(DA) is conducted, in which the DA starts at the same time but lasts for different time spans(up to 2 h) and with different time intervals of 6, 12, 24, and 30 min. The reference experiment is conducted without DA(NODA).To show more clearly the impact of radar DA on mesoscale convective system(MCS)forecasts, two sets of 60-member ensemble experiments(NODA EF and exp37 EF) are performed using the same 60-member perturbed-ensemble initial fields but with the radar DA being conducted every 6 min in the exp37 EF experiments from 0200 to0400 BST. It is found that the DA experiments generally improve the convection prediction. The 40 DADF experiments can forecast a heavy-rain-producing MCS over land and an MCS over the ocean with high probability, despite slight displacement errors. The exp37 EF improves the probability forecast of inland and offshore MCSs more than does NODA EF. Compared with the experiments using the longer DA time intervals, assimilating the radial-velocity observations at 6-min intervals tends to produce better forecasts. The experiment with the longest DA time span and shortest time interval shows the best performance.However, a shorter DA time interval(e.g., 12 min) or a longer DA time span does not always help. The experiment with the shortest DA time interval and maximum DA window shows the best performance, as it corrects errors in the simulated convection evolution over both the inland and offshore areas. An improved representation of the initial state leads to dynamic and thermodynamic conditions that are more conducive to earlier initiation of the inland MCS and longer maintenance of the offshore MCS. | BAO XingHua LUO YaLi SUN JiaXiang MENG ZhiYong YUE Jian | 2017 | Science China Earth Sciences2017，60，10： | 11 |
| 4 | Science and Prediction of Heavy Rainfall over China:Research Progress since the Reform and Opening-Up of New China显示文摘This paper reviews the major progress on development of the science and prediction of heavy rainfall over China since the beginning of the reform and opening-up of new China(roughly between 1980 and 2019).The progress of research on the physical mechanisms of heavy rainfall over China is summarized from three perspectives:1)the relevant synoptic weather systems,2)heavy rainfall in major sub-regions of China,and 3)heavy rainfall induced by typhoons.The development and application of forecasting techniques for heavy rainfall are summarized in terms of numerical weather prediction techniques and objective forecasting methods.Greatly aided by the rapid progress in meteorological observing technology and substantial improvement in electronic computing,studies of heavy rainfall in China have advanced to investigating the evolution of heavy-rain-producing storms and observational analysis of the cloud microphysical features.A deeper and more systematic understanding of the synoptic systems of importance to the production of heavy rainfall has also been developed.Operational forecast of heavy rainfall in China has changed from subjective weather event forecasts to a combination of both subjective and objective quantitative precipitation forecasts,and is now advancing toward probabilistic quantitative precipitation forecasts with the provision of forecast uncertainty information. | Yali LUO Jisong SUN Ying LI Rudi XIA Yu DU Shuai YANG Yuanchun ZHANG Jing CHEN Kan DAI Xueshun SHEN Haoming CHEN Feifan ZHOU Yimin LIU Shenming FU Mengwen WU Tiangui XIAO Yangruixue CHEN Huiqi LI Mingxin LI | 2020 | Journal of Meteorological Research2020，34，3： | 10 |
| 5 | Effects of cotton field management practices on soil CO2 emission and C balance in an arid region of Northwest China显示文摘Changes in both soil organic C storage and soil respiration in farmland ecosystems may affect atmospheric CO2 concentration and global C cycle. The objective of this field experiment was to study the effects of three crop field management practices on soil CO2 emission and C balance in a cotton field in an arid region of Northwest China. The three management practices were irrigation methods(drip and flood), stubble managements(stubble-incorporated and stubble-removed) and fertilizer amendments(no fertilizer(CK), chicken manure(OM), inorganic N, P and K fertilizer(NPK), and inorganic fertilizer plus chicken manure(NPK+OM)). The results showed that within the C pool range, soil CO2 emission during the whole growing season was higher in the drip irrigation treatment than in the corresponding flood irrigation treatment, while soil organic C concentration was larger in the flood irrigation treatment than in the corresponding drip irrigation treatment. Furthermore, soil CO2 emission and organic C concentration were all higher in the stubble-incorporated treatment than in the corresponding stubble-removed treatment, and larger in the NPK+OM treatment than in the other three fertilizer amendments within the C pool range. The combination of flood irrigation, stubble incorporation and application of either NPK+OM or OM increased soil organic C concentration in the 0-60 cm soil depth. Calculation of net ecosystem productivity(NEP) under different management practices indicated that the combination of drip irrigation, stubble incorporation and NPK+OM increased the size of the C pool most, followed by the combination of drip irrigation, stubble incorporation and NPK. In conclusion, management practices have significant impacts on soil CO2 emission, organic C concentration and C balance in cotton fields. Consequently, appropriate management practices, such as the combination of drip irrigation, stubble incorporation, and either NPK+OM or NPK could increase soil C storage in cotton fields of Northwest China. | QianBing ZHANG Ling YANG ZhenZhu XU YaLi ZHANG HongHai LUO Jin WANG WangFeng ZHANG | 2014 | Journal of Arid Land2014，6，4： | 8 |
| 6 | Analysis of Paths and Sources of Moisture for the South China Rainfall during the Presummer Rainy Season of 1979–2014显示文摘The paths and sources of moisture supplied to South China during two periods of the presummer rainy season(April–June) of 1979–2014, i.e., before and after the onset of the summer monsoon over the South China Sea(SCS),are investigated by using the Hybrid Single-Particle Lagrangian Integrated Trajectory(HYSPLIT) model. During the premonsoon-onset period, the moisture transport trajectories are clustered into 6 groups, with four ocean-originating paths providing 83.9% and two continent-originating paths(originating over Lake Baikal and the Persian Gulf) contributing the remaining 16.1% of the total moisture. The two Pacific-originating paths, from the western Pacific Ocean and the East China Sea, combined account for about 46%, the SCS-originating path contributes about 24.3%,while the Bay of Bengal-originating path accounts for 13.6% of the total moisture over South China. The trajectories during the postmonsoon-onset period are clustered into 4 groups, with three southwesterly paths(from the Arabian Sea, the central Indian Ocean, and the western Indian Ocean, respectively) accounting for more than 76% and the sole Pacific-originating path accounting for 23.8% of the total moisture. The formation of the moisture transport trajectories is substantially affected by the topography, especially the Tibetan Plateau and the Indian and Indo–China Peninsulas. The SCS region contributes the most moisture during both periods(35.3% and 31.1%). The Pacific Ocean is ranked second during the former period(about 21.0%) but its contribution is reduced to 5.0% during the latter period, while the contribution from the Bay of Bengal and the Indian Ocean combined increases from 17.1% to 43.2%. | Yangruixue CHEN Yali LUO | 2018 | Journal of Meteorological Research2018，32，5： | 7 |
| 7 | Relationship between plant canopy characteristics and photosynthetic productivity in diverse cultivars of cotton(Gossypium hirsutum L.)显示文摘Genotype and plant type affect photosynthetic production by changing the canopy structure in crops.To analyze the mechanism of action of heterosis and plant type on canopy structure in cotton(Gossypium hirsutum L.),we had selected two cotton hybrids(Shiza 2,Xinluzao 43) and two conventional varieties(Xinluzao 13,Xinluzao 33) with different plant types in this experiment.We studied canopy characteristics and their correlation with photosynthesis in populations of different genotypes and plant types during yield formation in Xinjiang,China.Canopy characteristics including leaf area index(LAI),mean foliage tilt angle(MTA),canopy openness(DIFN),and chlorophyll relative content(SPAD).The results showed that LAI and SPAD peak values were higher and their peak values arrived later,and the adjustment capacity of MTA during the flowering and boll-forming stages was stronger in Xinluzao 43,with the normal-leaf,pagoda plant type,than these values in other varieties.DIFN of Xinluzao 43 remained between0.09 and 0.12 during the flowering and boll-forming stages,but was lower than that in the other varieties during the boll-opening stage.Thus,these characteristics of Xinluzao 43 were helpful for optimizing the light environment and maximizing light interception,thereby increasing photosynthetic capability.The photosynthetic rate and photosynthetic area were thus affected by cotton genotype as changes in the adjustment range of MTA,increases in peak values of LAI and SPAD,and extension of the functional stage of leaves.Available photosynthetic area and canopy light environment were affected by cotton plant type as changes in MTA and DIFN.Heterosis expression and plant type development were coordinated during different growth stages,the key to optimizing the canopy structure and further increasing yield. | Guoyi Feng Honghai Luo Yali Zhang Ling Gou Yandi Yao Yongzeng Lin Wangfeng Zhang | 2016 | The Crop Journal2016，4，6： | 6 |
| 8 | NLP1 reciprocally regulates nitrate inhibition of nodulation through SUNN-CRA2 signaling in Medicago truncatula显示文摘Most legume plants can associate with diazotrophic soil bacteria called rhizobia,resulting in new root organs called nodules that enable N2 fixation.Nodulation is an energy-consuming process,and nodule number is tightly regulated by independent systemic signaling pathways controlled by CLE/SUNN and CEP/CRA2.Moreover,nitrate inhibits legume nodulation via local and systemic regulatory pathways.In Medicago truncatula,NLP1 plays important roles in nitrate-induced inhibition of nodulation,but the relationship between systemic and local pathways in mediating nodulation inhibition by nitrate is poorly understood.In this study,we found that nitrate induces CLE35 expression in an NLP1-dependent manner and that NLP1 binds directly to the CLE35 promoter to activate its expression.Grafting experiments revealed that the systemic control of nodule number involves negative regulation by SUNN and positive regulation by CRA2 in the shoot,and that NLP1’s control of the inhibition of rhizobial infection,nodule development,and nitrogenase activity in response to nitrate is determined by the root.Unexpectedly,grafting experiments showed that loss of CRA2 in the root increases nodule number at inhibitory nitrate levels,probably because of CEP1/2 upregulation in the cra2 mutants,suggesting that CRA2 exerts active negative feedback regulation in the root. | Zhenpeng Luo Jie-shun Lin Yali Zhu Mengdi Fu Xiaolin Li Fang Xie | 2021 | Plant Communications2021，2，3： | 5 |
| 9 | Science and prediction of monsoon heavy rainfall显示文摘With the increasing incidence of heavy rainfall events,particularly over the monsoon regions,the highly dense populations are more vulnerable[1].Research initiatives on observation,modeling,and prediction of monsoon heavy rainfall have been promoted actively by World Weather Research Programme's(WWRP)Working Group on Tropical Meteorology Research(WGTMR)of the World Meteorological Organization(WMO)since 2010.Series of monsoon-heavy-rainfall workshops were held in Beijing(2011),Petaling Jaya(2012),and New Delhi(2015)to benefit scientists worldwide and forecasters from the National Meteorological and Hydrological Services.An international Research and Development Project,namely,the Southern China Monsoon Rainfall Experiment(SCMREX)[2]was established in 2013 to coordinate field campaign experiments and to conduct scientific research on presummer(April-June)heavy rainfall processes in southern China. | Yali Luo Liye Li Richard HJohnson Chih-Pei Chang Lianshou Chen Wai-Kin Wong Jing Chen Kalli Furtado John LMcBride Ajit Tyagi Nanette Lomarda Thierry Lefort Esperanza O.Cayanan | 2019 | Science Bulletin2019，64，21： | 4 |
| 10 | On the Influences of Urbanization on the Extreme Rainfall over Zhengzhou on 20 July 2021: A Convection-Permitting Ensemble Modeling Study显示文摘This study investigates the influences of urban land cover on the extreme rainfall event over the Zhengzhou city in central China on 20 July 2021 using the Weather Research and Forecasting model at a convection-permitting scale[1-km resolution in the innermost domain(d3)].Two ensembles of simulation(CTRL,NURB),each consisting of 11 members with a multi-layer urban canopy model and various combinations of physics schemes,were conducted using different land cover scenarios:(i)the real urban land cover,(ii)all cities in d3 being replaced with natural land cover.The results suggest that CTRL reasonably reproduces the spatiotemporal evolution of rainstorms and the 24-h rainfall accumulation over the key region,although the maximum hourly rainfall is underestimated and displaced to the west or southwest by most members.The ensemble mean 24-h rainfall accumulation over the key region of heavy rainfall is reduced by 13%,and the maximum hourly rainfall simulated by each member is reduced by 15–70 mm in CTRL relative to NURB.The reduction in the simulated rainfall by urbanization is closely associated with numerous cities/towns to the south,southeast,and east of Zhengzhou.Their heating effects jointly lead to formation of anomalous upward motions in and above the planetary boundary layer(PBL),which exaggerates the PBL drying effect due to reduced evapotranspiration and also enhances the wind stilling effect due to increased surface friction in urban areas.As a result,the lateral inflows of moisture and high-θe(equivalent potential temperature)air from south and east to Zhengzhou are reduced. | Yali LUO Jiahua ZHANG Miao YU Xudong LIANG Rudi XIA Yanyu GAO Xiaoyu GAO Jinfang YIN | 2023 | Advances in Atmospheric Sciences2023，40，3： | 4 |
| 11 | Quasicrystalline Phase in As-cast Mg-Zn-Y-Zr Alloy显示文摘An icosahedral phase in as-cast Mg 5. 78Zn-0.89Y-0.48Zr (wt-%) alloy has been identified with transmission electron microscope (TPM) The selected area diffraction patterns (SADP) from the phase show a five-fold symmetry of a quasicrystalline structure. The energy dispersive X-ray spectra (EDXS) indicate that the quaternary phase has a chemical composition of 67.6Zn-1 9.4Mg-8,1 Y-4 9Zr in at -% | Yali TANG Ningfu SHEN and Xin YUAN (Research Center for Materials, Zhengzhou Institute of Technology, Zhengzhou, 450002, China)Zhiping LUO and Shaoqing ZHANG (Institute of Aeronautical Materials, Beijing,100095, China)(To whom correspondence should be ad | 1994 | Journal of Materials Science & Technology1994，10，4： | 4 |
| 12 | Synthesis of Single-Crystalline Anatase TiO_2 Nanorods With High-Performance Dye-Sensitized Solar Cells显示文摘Single-crystalline anatase TiO_2 nanorods have been prepared by solvothermal method using tetrabutylammonium hydroxide(TBAH) as a morphology controlling agent.The obtained TiO_2 nanorods are dominated by a large percentage of {010} facets.The power conversion efficiency of dye-sensitized solar cell(DSSC) based on anatase TiO_2 nanorods(8.66%) exhibits a significant improvement(35%) compared to that of P25 TiO_2(5.66%).The high performance of the anatase TiO_2 nanorods solar cell is ascribed to their large percent of exposed {010} facets as well as balancing their surface areas and sizes. | Jin Liu Jun Luo Weiguang Yang Yali Wang Linyan Zhu Yueyang Xu Ying Tang Yajing Hu Chen Wang Yigang Chen Weimin Shi | 2015 | Journal of Materials Science & Technology2015，31，1： | 2 |
| 13 | The number of births in China in 2015: policy meets superstition显示文摘Fertility in China was long constrained by the One-Child policy enacted in 1978. Over time the policy was progressively relaxed,first in rural areas and then for couples who both had no siblings.A Selective Two-Child policy which started in January-June 2014allowed a second child for couples for whom one spouse was an only child. Now with the Universal Two-Child policy, as of | Hong-Tian Li Susan Hellerstein Chuyun Kang Leonardo Trasande Yanqiu Gao Yali Zhang Shusheng Luo Yu-Bo Zhou Jie Qiao Jan Blustein Jian-Meng Liu | 2018 | Science Bulletin2018，63，19： | 2 |
| 14 | MICROSTRUCTURE OF Mg-Zn-Zr-Y ALLOYS显示文摘In the as-cast Mg-Zn-Zr-Y alloys.the quasierystal phases show massive and eutectoidplate morphologies.The selected area diffraction(SAD)revealed that a large part of the quasicrystals are face-centered icosahedral(FCI),while a small amout of the quasierystals belong to the simple icosahedral(SI)phase.It was found that in homogenized alloys,a part of the grain boundry phases was dissolved,and small massive W-phase and lath-shape MgZn2 phase dispersedly precipitate in the grains.The transformation of the quasicrystals relates to the temperature.After homogenizing at 360℃,the quasicrystals still present,while after homogenizing at 400℃,the quasicrystals transformed into a new C-typeorthorhombic phase with a=0.975nm,b=1.137nm and c=0.935nm. | LUO Zhiping, ZHANG Shaoqing, SONG DeyuBeijing Institute of Aeronoutical Materials, Beijing, 100095, ChinaTANG Yali, ZHAO DongshanZhengzhou Institute of Technology, Zhengzhou, 450002, China Manuscript received, 27 April 1994 | 1994 | Acta Metallurgica Sinica(English Letters)1994，7，2： | 2 |
| 15 | Classification and Diurnal Variations of Precipitation Echoes Observed by a C-band Vertically-Pointing Radar in Central Tibetan Plateau during TIPEX-Ⅲ 2014-IOP显示文摘This study investigates classification and diurnal variations of the precipitation echoes over the central Tibetan Plateau based on the observations collected from a C-band vertically-pointing frequency-modulated continuous-wave(C-FMCW)radar during the Third Tibetan Plateau Atmospheric Scientific Experiment(TIPEX-Ⅲ)2014-Intensive Observation Period(2014-IOP).The results show that 51.32%of the vertical profiles have valid echoes with reflectivity>–10 dBZ,and 35.06% of the valid echo profiles produce precipitation at the ground(precipitation profiles);stratiform precipitation with an evident bright-band signature,weak convective precipitation,and strong convective precipitation account for 52.03%,42.98%,and 4.99% of the precipitation profiles,respectively.About 59.84% of the precipitation occurs in the afternoon to midnight,while 40.16% of the precipitation with weaker intensity is observed in the nocturnal hours and in the morning.Diurnal variation of occurrence frequency of precipitation shows a major peak during 2100–2200 LST(local solar time)with 59.02%being the stratiform precipitation;the secondary peak appears during 1300–1400 LST with 59.71% being the weak convective precipitation;the strong convective precipitation occurs mostly(81.83%)in the afternoon and evening with two peaks over 1200–1300 and 1700–1800 LST,respectively.Starting from approximately 1100 LST,precipitation echoes develop with enhanced vertical air motion,elevated echo top,and increasing radar reflectivity.Intense upward air motion occurs most frequently in 1700–1800 LST with a secondary peak in 1100–1400 LST,while the tops of precipitation echoes and intense upward air motion reach their highest levels during 1600–1800 LST.The atmospheric conditions in the early morning are disadvantageous for convective initiation and development.Around noon,the convective available potential energy(CAPE)increases markedly,convective inhibition(CIN)is generally small,and a super-dry-adiabatic layer is present near the surface(0–400 m).In the early evening,some larger values of CAPE,level of neutral buoyancy,and total precipitable water are present,suggesting more favorable thermodynamic and water vapor conditions. | Ruoyun MA Yali LUO Hui WANG | 2018 | Journal of Meteorological Research2018，32，6： | 2 |
| 16 | Ground-Based Radar Reflectivity Mosaic of Mei-yu Precipitation Systems over the Yangtze River–Huaihe River Basins显示文摘The 3D radar reflectivity produced by a mosaic software system, with measurements from 29 operational weather radars in the Yangtze River–Huaihe River Basins(YRHRB) during the mei-yu season of 2007, is compared to coincident TRMM PR observations in order to evaluate the value of the ground-based radar reflectivity mosaic in characterizing the 3D structures of mei-yu precipitation. Results show reasonable agreement in the composite radar reflectivity between the two datasets,with a correlation coefficient of 0.8 and a mean bias of -1 dB. The radar mosaic data at constant altitudes are reasonably consistent with the TRMM PR observations in the height range of 2–5 km, revealing essentially the same spatial distribution of radar echo and nearly identical histograms of reflectivity. However, at altitudes above 5 km, the mosaic data overestimate reflectivity and have slower decreasing rates with height compared to the TRMM PR observations. The areas of convective and stratiform precipitation, based on the mosaic reflectivity distribution at 3-km altitude, are highly correlated with the corresponding regions in the TRMM products, with correlation coefficients of 0.92 and 0.97 and mean relative differences of -7.9% and -2.5%, respectively. Finally, the usefulness of the mosaic reflectivity at 3-km altitude at 6-min intervals is illustrated using a mesoscale convective system that occurred over the YRHRB. | Yali LUO Weimiao QIAN Yu GONG Hongyan WANG Da-Lin ZHANG | 2016 | Advances in Atmospheric Sciences2016，33，11： | 2 |
| 17 | Facile Li-Al layered double hydroxide films on Al alloy for enhanced hydrophobicity, anti-biofouling and anti-corrosion performance显示文摘In this work,lithium(Li)-aluminum(Al)layered double hydroxide(LDH)films modified by 4-amino-2-((hydrazine methylene)amino)-4-oxobutanoic acid(denoted as AOA acid)and/or 1H,1H,2H,2H-perfluorooctyltriethoxysilane were prepared on 6N01 Al alloy by a facile,in-situ growth method with enhanced hydrophobicity,anti-biofouling and anti-corrosion performance.The preparation is low energy consumptive and environment friendly,relying on self-assembly at ambient temperature.The structure,molecular weight and functional groups of the synthesized AOA acid were characterized by NMR spectrometer,ESI-MS spectrometer and Fourier transform infrared(FT-IR)spectroscopy.And the compositions,structure and morphology of the films were characterized by Fourier transform infrared(FT-IR)spectroscopy,glancing-angle X-ray diffraction(GA-XRD),X-ray photoelectron spectroscopy(XPS),field emission scanning electron microscopy(FE-SEM)and energy-dispersive x-ray spectrum(EDS).Water contact angle measurements(CA)and atomic force microscopy(AFM)characterization show that the films possess a micro/nanostructure with an improved hydrophobicity.Immersion test,neutral salt tests(NSS)and electrochemical impedance spectroscopy(EIS)conducted in 3.5 wt.%NaCl solutions demonstrate the improved corrosion resistance of the films over bare Al alloy.Meanwhile,the films also possess an excellent anti-bacterial property toEscherichia coli,Bacillus subtilis and sulfate-reducing bacteria. | Ji Li Tianci Yuan Chengliang Zhou Bo Chen Yi Shuai Dawang Wu Dongchu Chen Xiaohu Luo Y.Frank Cheng Yali Liu | 2021 | Journal of Materials Science & Technology2021，，20： | 2 |
| 18 | On the Diurnal Cycle of Heavy Rainfall over the Sichuan Basin during 10–18 August 2020显示文摘A sustained heavy rainfall event occurred over the Sichuan basin in southwest China during 10–18 August 2020,showing pronounced diurnal rainfall variations with nighttime peak and afternoon minimum values,except on the first day.Results show that the westward extension of the anomalously strong western Pacific subtropical high was conducive to the maintenance of a southerly low-level jet(LLJ)in and to the southeast of the basin,which favored continuous water vapor transport and abnormally high precipitable water in the basin.The diurnal cycle of rainfall over the basin was closely related to the periodic oscillation of the LLJ in both wind speed and direction that was caused by the combination of inertial oscillation and terrain thermal forcing.The nocturnally enhanced rainfall was produced by moist convection mostly initiated during the evening hours over the southwest part of the basin where high convective available potential energy with moister near-surface moist air was present.The convective initiation took place as cold air from either previous precipitating clouds from the western Sichuan Plateau or a larger-scale northerly flow met a warm and humid current from the south.It was the slantwise lifting of the warm,moist airflow above the cold air,often facilitated by southwest vortices and quasi-geostrophic ascent,that released the convective instability and produced heavy rainfall. | Rudi XIA Yali LUO Da-Lin ZHANG Mingxin LI Xinghua BAO Jisong SUN | 2021 | Advances in Atmospheric Sciences2021，38，12： | 2 |
| 19 | Enhancement of Fe3O4/Au Composite Nanoparticles Catalyst in Oxidative Degradation of Methyl Orange Based on Synergistic Effect显示文摘Fe 3 O 4/Au nanoparticles (Fe 3 O 4/Au NP ) 催化剂被采用 H 2 O 2 作为氧化剂。评估 Fe 3 O 4/Au nanoparticles,不同降级条件被调查例如催化剂的数量, H 2 O 2 集中和 pH 价值。基于我们的数据,甲基橘子在一短时间完全被降级。提高的催化活动和增加的氧化率常数可以被归功于到 synergistic H 2 O 2 到哦激进,它是强壮的氧化种类之一。而且, Fe 3 O 4/Au nanoparticles 展出了令人满意为潜在的工业申请再循环性能。 | Qin Gao Yan Xing Mingli Peng Yongshuai Liu Zhiyi Luo Yanyan Jin Haiming Fan Kebin Li Chao Chen Yali Cui | 2017 | Chinese Journal of Chemistry2017，35，9： | 2 |
| 20 | Intra-strain Elicitation and Suppression of Plant Immunity by Ralstonia solanacearum Type-III Effectors in Nicotiana benthamiana显示文摘Effector proteins delivered inside plant cells are powerful weapons for bacterial pathogens,but this exposes the pathogen to potential recognition by the plant immune system.Therefore,the effector repertoire of a given pathogen must be balanced for a successful infection.Ralstonia solanacearum is an aggressive pathogen with a large repertoire of secreted effectors.One of these effectors,RipE1,is conserved in most R.solanacearum strains sequenced to date.In this work,we found that RipE1 triggers immunity in N.benthamiana,which requires the immune regulator SGT1,but not EDS1 or NRCs.Interestingly,RipE1-triggered immunity induces the accumulation of salicylic acid(SA)and the overexpression of several genes encoding phenylalanine-ammonia lyases(PALs),suggesting that the unconventional PALmediated pathway is responsible for the observed SA biosynthesis.Surprisingly,RipE1 recognition also induces the expression of jasmonic acid(JA)-responsive genes and JA biosynthesis,suggesting that both SA and JA may act cooperatively in response to RipE1.We further found that RipE1 expression leads to the accumulation of glutathione in plant cells,which precedes the activation of immune responses.R.solanacearum secretes another effector,RipAY,which is known to inhibit immune responses by degrading cellular glutathione.Accordingly,RipAY inhibits RipE1-triggered immune responses.This work shows a strategy employed by R.solanacearum to counteract the perception of its effector proteins by plant immune system. | Yuying Sang Wenjia Yu Haiyan Zhuang Yali Wei Lida Derevnina Gang Yu Jiamin Luo Alberto P.Macho | 2020 | Plant Communications2020，1，4： | 2 |
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