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| 1 | Climate as the dominant control on C_3 and C_4 plant abundance in the Loess Plateau: Organic carbon isotope evidence from the last glacial-interglacial loess-soil sequences显示文摘Abundance of C3 and C4 photosynthesis plants can be inferred relatively from stable carbon isotopic composi-tion of organic matter in soils. The samples from five sequences of the last glacial-interglacial loess-soil in the Chinese Loess Plateau have been measured for organic carbon isotopic ratios (d 13Corg). The organic carbon isotope data show that relative abundance (or biomass) of C4 plants was increased ca. 40% for each sampling site from the last glacial maximum (LGM) to Holocene optimum, and increased southeastward on the Loess Plateau during both periods of LGM and Holocene. Statistic analyses on the steady maximum d 13Corg values of Holocene soils and modern climatic data from the Loess Plateau and Inner Mongolia indicate that the C4 plant abundance increases with increasing temperature and decreasing precipitation. The C4 plant abundance is related much closer with mean April tem-perature and precipitation than annual. These results lead us to deduce following conclusions. First, temperature is the major factor for control on variations in C4 plant abundance in the Loess Plateau from the last glacial to interglacial. In the absence of favorable temperature condition, both of low moisture and low atmospheric CO2 concentration are insufficient to drive an expansion of the C4 plants in the plateau. Second, d 13Corg in the loess-paleosol sequences, as a proxy of the relative abundance of C4 plants in the Loess Plateau, could not be used as an indicator of changes in the summer monsoon intensity unless the tem-perature had changed without great amplitude. Since all C4 plants are grasses, finally, the increase of the C4 plants supports that forest has not been dominant in the ecosystem on the Loess Plateau during Holocene although precipitation and atmospheric CO2 were largely increased relative to those during LGM. | GU Zhaoyan, LIU Qiang, XU Bing, HAN Jiamao, YANG Shiling, DING Zhongli & LIU Tungsheng Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China Correspondence should be addressed to Gu Zhaoyan (e-mail: zgu@ 95777.com) | 2003 | Chinese Science Bulletin2003，48，12： | 14 |
| 2 | 氮化铝薄膜的光学性能显示文摘分别使用X衍射仪和紫外(190nm^800nm)分光光度仪,测量了用分子束外延法生长在SiC(001)基底面上的AIN薄膜的X衍射、透射谱和不同温度下的吸收谱.X衍射表明实验所用的AIN薄膜在c-轴存在应变和应力,该应变和应力主要是由于AIN的晶格常量与基底SiC的晶格常量不匹配所致.透射谱表明AIN薄膜的禁带宽度大约为6.2eV;而其对应的吸收谱在6.2eV处存在一个明显的台阶,此台阶被认为是AIN薄膜中的带边自由激子吸收所产生,忽略激子的结合能(与禁带宽度相比),则该值就对应为AIN的禁带宽度.而其对应的不同温度下(10k^293k)的吸收谱的谱线的形状和位置无明显的变化表明温度对AIN薄膜的禁带宽度亦无明显的影响,这主要是由于在AIN薄膜中存在着应力所致. | 颜国君 陈光德 邱复生 Zhaoyan Fan | 2006 | 光子学报2006，35，2： | 11 |
| 3 | A natural variation in Ribonuclease H-like gene underlies Rht8 to confer“Green Revolution”trait in wheat显示文摘Dear Editor,Introduction of gibberellin(GA)-insensitive Reduced height(Rht)genes,Rht-B1b and Rht-D1b,has resulted in the“Green Revolution”in modern wheat cultivars(Triticum aestivum)that has skyrocketed wheat grain yields worldwide since the 1960s(Peng et al.,1999;Velde et al.,2021).However,Rht-B1b/D1b also reduce coleoptiles,which is undesired in dryland regions where deep planting is essential for seedling establishment(Rebetzke et al.,1999,Rebetzke et al.,2001;Ellis et al.,2004). | Lingling Chai Mingming Xin Chaoqun Dong Zhaoyan Chen Huijie Zhai Junhong Zhuang Xuejiao Cheng Naijiao Wang Jia Geng Xiaobo Wang Ruolin Bian Yingyin Yao Weilong Guo Zhaorong Hu Huiru Peng Guihua Bai Qixin Sun Zhenqi Su Jie Liu Zhongfu Ni | 2022 | Molecular Plant2022，15，3： | 8 |
| 4 | Silencing RhoA inhibits migration and invasion through Wnt/β-catenin pathway and growth through cell cycle regulation in human tongue cancer显示文摘地岬相当或相同的事物基因家庭成员 A (RhoA ) 作为肿瘤的一个批评管理者被识别了好攻击的行为。在 thisstudy,我们在位于有鳞的细胞 carcinomaof 舌头(TSCC ) 的生长,移植,和侵略下面的机制估计了 RhoA 的角色。TSCC 房间线 SCC-4 和 CAL27 击倒的稳定的 RhoA 用 Lentiviral transfection 被完成。房间移植,侵略,和房间增长上的 RhoA 弄空的 Theeffects 是坚定的。TSCC 房间线上的可能的位于决定 Galectin-3 (Gal-3 ) 的表示下面 mechanismof RhoA 弄空被也评估,在 vivo 的 -catenin, andmatrix metalloproteinase-9 (MMP-9 ) 。同时, TSCC 生长的内在的机制被 cyclin D1/2 的分析学习, p21 CIP1/WAF1 , 和 p27 Kip1 蛋白质层次。Immunohistochemical 评价被执行进一步证明 Gal-3 和 -catenin expression.We 的改变发现了那,在与在舌头的人的 TSCC 房间注射的老鼠, RhoA 层次与在正常纸巾的那些相比在主要肿瘤和 metastasizedlymph 节点是更高的。RhoA 的 Silencing 显著地减少了肿瘤生长, Gal-3 的 decreasedthe 层次, -catenin, MMP-9,和 cyclin D1/2,并且增加了 p21 CIP1/WAF1 和 p27 Kip1 。在 vitro, RhoA 击倒也导致了房间移植,侵略,和增长的抑制。我们的数据建议 RhoA 由通过分别地通过房间周期规定表明小径 andcell 增长的 Wnt/-catenin 调整房间移植和侵略在 TSCC 前进起 asignificant 作用。RhoA 可能是 TSCC 的一个新奇治疗学的目标。 | Guoxin Yan Ronghai Zou Zhenggang Chen Bing Fan Zhaoyan Wang Ying Wang Xiaonan Yin Dong Zhang Lei Tong Fang Yang Weina Jiang Wensheng Fu Jiwei Zheng Martin O. Bergo Martin Dalin Jiawei Zheng Shulan Chen Jianhua Zhou | 2014 | Acta Biochimica et Biophysica Sinica2014，46，8： | 7 |
| 5 | Natural tea-leaf-derived, ternary-doped 3D porous carbon as a high-performance electrocatalyst for the oxygen reduction reaction显示文摘为了商品化,造成房间和金属空气电池,为氧减小反应(ORR ) 的划算的、高度活跃的催化剂必须被开发。此处,我们描述发展便宜, heteroatom (N, P, Fe ) 第三药的、多孔的碳(HDPC ) 。这些材料被与铁盐对待的自然的茶叶子的一步舞热分解准备,没有任何化学、物理的激活。茶的自然结构离开提供 3D 在碳化以后的层次多孔的结构。而且,在茶叶子的 heteroatom 包含有机化合物充当先锋到 functionalize 结果的碳框架。另外,我们发现在茶叶子在场的多酚充当 ligands,与形成协作混合物的 Fe 离子反应;这些建筑群为 Fe 和 N 充当了先锋活跃地点。在热分解以后,同样准备的 HDPC electrocatalysts,特别 HDPC-800 (在 800 爠灥牯 ? 的 pyrolyzed ? 楴慴楮浵漠楸敤戭獡摥琠敨慲数瑵捩愠敧瑮眠瑩 ?? 楨桧攠晦捩捡 ? 湡 ? 潬 ? 潴楸楣祴映牯琠敨倠呔瀠潲散獳? 敗搠浥湯瑳慲整 ? 桴瑡 ?条 n 椠 ? 晥敦瑣癩汥? 敲畤楣杮琠敨 ? 愠摮 ?? 桰獡 ? 敳牧来瑡潩 ? 牰扯敬 ? 琠敨敲祢映捡汩瑩瑡湩 ? 桴 ? 潦浲瑡潩 ? 景琠畲祬琠牥慮祲 ?? 中瀠慨敳愠潴業? 慬敹獲?? | Zhaoyan Guo Zhen Xiao Guangyuan Ren Guozheng Xiao Ying Zhu Liming Dai Lei Jiang | 2016 | Nano Research2016，9，5： | 7 |
| 6 | Pedogenic carbonate isotope record of vegetational evolution since late Miocene in Loess Plateau显示文摘lsotopic analyses for paleovegetational evolution have been carried out on samples of the pedogenic carbonate nodules in the Red Clay-Loess sequence at Lingtai (35°N), the Loess Plateau. Stable carbon isotopic composition indicates that ( ⅰ ) C4 plants might be present at least by7.0 Ma; ( ⅱ ) C4 plants expanded gradually between ~4.0 and ~3.2 Ma, and their biomass fraction was up to 50%; and ( ⅲ ) the biomass of C4 vegetation since ~2.0 Ma seems to have been decreased to the level (about 20%) before 4.0 Ma. C4 plant expansion at Lingtai cannot be fully understood with the 'global C4 expansion' model because it occurred much later up to 3.0 Ma than in Pakistan, which indicates that some changes in the regional climatic system may also contribute to C3/C4 shift except changes in atmospheric CO2 concentrations and temperature. The latitudinal zone for C3/C4 transition seems to move southwards slightly in East Asia, compared with the case in North America where 37°N is the ideal | Shiling Yang Zhongli Ding Zhaoyan Gu Jimin Sun Shangfa Xiong | 1999 | Chinese Science Bulletin1999，44，11： | 6 |
| 7 | ^(10)Be in quartz gravel from the Gobi Desert and evolutionary history of alluvial sedimentation in the Ejina Basin,Inner Mongolia,China显示文摘Reconstructing the evolutionary history of the Gobi deserts developed from alluvial sediments in arid regions has great significance in unraveling changes in both tectonic activity and climate.However,such work is limited by a lack of suitable dating material preserved in the Gobi Desert,but cosmogenic 10Be has great potential to date the Gobi deserts.In the present study,10Be in quartz gravel from the Gobi deserts of the Ejina Basin in Inner Mongolia of China has been measured to assess exposure ages.Results show that the Gobi Desert in the northern margin of the basin developed 420 ka ago,whereas the Gobi Desert that developed from alluvial plains in the Heihe River drainage basin came about during the last 190 ka.The latter developed gradually northward and eastward to modern terminal lakes of the river.These temporal and spatial variations in the Gobi deserts are a consequence of alluvial processes influenced by Tibetan Plateau uplift and tectonic activities within the Ejina Basin.Possible episodes of Gobi Desert development within the last 420 ka indicate that the advance/retreat of alpine glaciers during glacial/interglacial cycles might have been the dominant factor to influencing the alluvial intensity and water volume in the basin.Intense floods and large water volumes would mainly occur during the short deglacial periods. | LU YanWu GU ZhaoYan ALDAHAN Ala ZHANG HuCai POSSNERT Goran LEI GuoLiang | 2010 | Chinese Science Bulletin2010，55，33： | 6 |
| 8 | New Development of the Basic Theory of Extenics显示文摘In this paper, the new development of three basic theories of Extenics, including basic element theory, extension set theory and extension logic theory, has been introduced. And the new theoretical frame of Extenics has also been set forth. | CaiWen YangChunyan ZhaoYan HeBin | 2004 | 工程科学(英文版)2004，2，1： | 6 |
| 9 | Diet control on carbon isotopic composition of land snail shell carbonate显示文摘Carbon isotope compositions for both the carbonate shells and soft bodies (organic tissue) of living land snails collected mostly from the Loess Plateau, China have been measured. The result shows that δ 13C values range from -13.1‰ to -4.3‰ for the aragonite shell samples and from -26.8‰ to -18.0‰ for the soft body samples. Although the shells are enriched in 13C relative to the bodies averagely by 14.2(±0.8)‰, the shell δ 13Ca values are closely correlated to the body δ 13Corg values, expressed as δ 13Ca = 1.021 δ 13Corg + 14.38 (R = 0.965; N = 31). This relationship indicates that δ 13Ca is primarily a function of the isotopic composition of the snail diets since previous studies have proved that the snail body is the same as their food in carbon isotope composition. In other words, carbon isotope compo-sition of the carbonate shell can be used as a proxy to estimate the dietary 13C abundance of the land snails. The data also support that the 13C enrichment of the carbonate shells results mainly from the equilibrium fractionations between the metabolic CO2, HCO3-in the hemolymph and shell aragonite, and partially from kinetic fractionations when snail shells form during their activity. | LIU ZongXiu GU ZhaoYan WU NaiQin XU Bing | 2007 | Chinese Science Bulletin2007，52，3： | 5 |
| 10 | T-S Fuzzy Remote Sensing Monitoring Model of Snail Distribution by Landsat 8 and Sentinel 2 Data显示文摘Approximately half of the world’s population is at the risk of at least one vector-borne parasitic disease.The survival of intermediate hosts of vector-borne parasitic diseases is governed by various environmental factors,and remote sensing can be used to characterize and monitor environmental factors related to intermediate host breeding and reproduction,and become a powerful means to monitor the vector-borne parasitic diseases.Schistosomiasis is a parasitic disease that menaces human health.Oncomelaniahupensis(snail)is the unique intermediate host of Schistosoma,so monitoring and controlling the number of snail is key to reduce the risk of schistosomiasis transmission.In this paper,Landsat 8 OLI and Sentinel 2 MSI data had been used to obtain the environmental factors(vegetation,soil,temperature,terrain et al.),which are related to the multiplying and transmission of intermediate host.Then this study used T-S(Takagi-Sugeno)Fuzzy RS model to establish a new suitable index membership function due to the different RS data,and a long time series monitoring of snail distribution in Dongting Lake from 2014 to 2018 was achieved.A comparative analysis was performed to validate the predicted results against the field survey data.The results demonstrated the accuracy of the developed model in predicting the distribution of snails. | Zhaoyan LIU Lingli TANG Chuanrong LI Shang XIA Jingbo XUE Shizhu LI Xiaonong ZHOU | 2020 | Journal of Geodesy and Geoinformation Science2020，3，4： | 4 |
| 11 | A bio-inspired Co304-polypyrrole-graphene complex as an efficient oxygen reduction catalyst in one-step ball milling显示文摘 | Guangyuan Ren Yunan Li Zhaoyan Guo Guozheng Xiao Ying Zhu Liming Dai Lei Jiang | 2015 | Nano Research2015，8，11： | 4 |
| 12 | Ecological pressures on grassland ecosystems and their conservation strategies in Northern China显示文摘In this study,we identified ecological pressures on grassland ecosystems and adaptive countermeasures in Northern China.Our research revealed that the main sources of these pressures included population growth,economic development,resources exploitation,and global climate change,with human-related activities being overriding factors.Overgrazing was an important reason for grassland imbalance,causing soil erosion and desertification,especially during the sensitive spring greening phase.In steppe zones,commercial coal mining was destructive to the ecological environment.Regarding long-term strategies,we recommend that policy-makers devote more consideration to a new conceptual approach for transforming grasslands through shifting the focus from die grassland's traditional production functions to meir ecological functions.Applying this concept,adaptive countermeasures should be developed to reduce human impacts based on the environmental capacities of grasslands.Moreover,we recommend the development of environment-friendly industries and reduction of pressures from human activities as effective measures for maintaining the balance between sustainable economic development and grassland conservation.Lastly,we suggest that restoration of degraded grasslands should conform to the principle of natural vegetation to further improve the ecological adaptability of plants and ecosystem stability.This study is expected to provide scientific support for policy-makers engaged in grassland protection. | Zhirong Zheng Chaoyang Feng Shengxing Ye Zhaoyan Diao Shihai Lü | 2015 | Chinese Journal of Population,Resources and Environment2015，13，1： | 4 |
| 13 | Ectopic expression of VRT-A2 underlies the origin of Triticum polonicum and Triticum petropavlovskyi with long outer glumes and grains显示文摘Polish wheat (Triticum polonicum) is a unique tetraploid wheat species characterized by an elongated outer glume. The genetic control of the long-glume trait by a single semi-dominant locus, P1 (from Polish wheat), was established more than 100 years ago, but the underlying causal gene and molecular nature remain elusive. Here, we report the isolation of VRT-A2, encoding an SVP-clade MADS-box transcription factor, as the P1 candidate gene. Genetic evidence suggests that in T. polonicum, a naturally occurring sequence rearrangement in the intron-1 region of VRT-A2 leads to ectopic expression of VRT-A2 in floral organs where the long-glume phenotype appears. Interestingly, we found that the intron-1 region is a key ON/OFF molecular switch for VRT-A2 expression, not only because it recruits transcriptional repressors, but also because it confers intron-mediated transcriptional enhancement. Genotypic analyses using wheat accessions indicated that the P1 locus is likely derived from a single natural mutation in tetraploid wheat, which was subsequently inherited by hexaploid T. petropavlovskyi. Taken together, our findings highlight the promoter-proximal intron variation as a molecular basis for phenotypic differentiation, and thus species formation in Triticum plants. | Jing Liu Zhaoyan Chen Zhihui Wang Zhaoheng Zhang Xiaoming Xie Zihao Wang Lingling Chai Long Song Xuejiao Cheng Man Feng Xiaobo Wang Yanhong Liu Zhaorong Hu Jiewen Xing Zhenqi Su Huiru Peng Mingming Xin Yingyin Yao Weilong Guo Qixin Sun Jie Liu Zhongfu Ni | 2021 | Molecular Plant2021，14，9： | 4 |
| 14 | Dependence of the sediment delivery ratio on scale and its fractal characteristics显示文摘沉积交货比率(SDR ) 是过去常为要送到特别的盆的插头的侵蚀的沉积决定能力的指示物。在最后 50 年期间在中国和国外基于 SDR 研究的系统的评论,这研究分析 SDR 是否有规模依赖者特征并且讨论 SDR 的分数维的特征。另外,在在中国和国外的各种各样的分水岭的 SDR 与时间、空间的规模显示出关联,它意味着 SDR 取决于分水岭规模。而且, SDR 能是在某些时间、空间的规模下面用分数维的尺寸表示并且可伸缩的份量上。在一个嵌套的分水岭以内,一个建议 SDR 规模转移模型与约 1 的一个区域在典型分水岭单位规模用 SDR 被构造; km 2(SDR′) 和在一个嵌套的分水岭的 SDR 的一种分数维的尺寸放大(D) 。这研究也指出没有认为它的规模是依赖, SDR 的学习和计算不能是正确的。构造由使用分数维的尺寸放大模型的 SDR 是一条有效、有用的途径,它能是关于以后可伸缩的 SDR 的一个有趣的研究话题。 | Xiaoming Zhang Sihong Wu Wenhong Cao Jianchao Guan Zhaoyan Wang | 2015 | International Journal of Sediment Research2015，30，4： | 4 |
| 15 | Anomalous enhancement of fluorescence of carbon dots through lanthanum doping and potential application in intracellular imaging of ferric ion显示文摘碳点(CD ) 的荧光的异常改进经由做的镧(La ) 被观察。做 La 的 CD (LaCD ) 在 4 min 以内通过微波热分解被准备。与做的 La 3+ ,尽管 La 3+ 是非荧光灯的,排放乐队从蓝色变了到绿色。量收益和荧光一生分别地在大约 20% 和 35% 改善了。所有实验结果显示做的 La 3+ 是调节荧光并且改进 CD 的表演的一个有效方法。LaCD 的另一个唯一的属性是到 Fe 3+ 的高敏感。La-CD-based 荧光探查被建立并且与 91 nmol/L 的察觉的限制为 Fe 3+ 的敏感、选择的察觉使用了。建议荧光探查成功地也被采用通过房间成像在实时 HeLa 房间设想细胞内部的 Fe 3+ 。钇作为 La 展出了一样的荧光改进效果,这也被显示出。结果可以为与特殊性质准备 CD 提供一条新线路。 | Shenghong Yang Xiaohan Sun Zhaoyan Wang Xiayan Wang Guangsheng Guo Qiaosheng Pu | 2018 | Nano Research2018，11，3： | 3 |
| 16 | Oxygen-vacancy-rich TiO_(2)enables highly active and durable water electrolysis of urchin-like RuO_(2)catalyst显示文摘The material innovation is prerequisite to accelerating sluggish oxygen evolution reaction(OER)kinetics,thus promoting the realization of hydrogen energy community.Herein,we develop an oxygen-vacancy-rich TiO_(2)supported RuO_(2)catalyst(RuO_(2)@r-TiO_(2))towards improved OER activity and stability.The oxygen vacancy on TiO_(2)not only supplies electrons to produce lower valence Ru,but also provides sufficient anchoring site for the deposition of RuO_(2)nanocrystal.Beyond that,it can generate strong electronic interaction between TiO_(2)and supported RuO_(2),and thereby tailors the intermediates’adsorption energy on the RuO_(2)surface.As a result,the derived RuO_(2)@r-TiO_(2)catalyst exhibits superior OER activity and stability with the overpotential of 211 mV at a current density of 10 mA cm^(−2)and negligible activity degradation after 6 h operation,outperforming the non-oxygen-vacancy counterpart(223.3 mV,12.75%activity loss)and RuO_(2)catalyst(234.6 mV,42.86%activity loss). | GAO HongMei XIAO MeiLing LI GuoQiang GAO LiQin MENG QingLei LUO ZhaoYan LUO ErGui LIU ChangPeng JIN Zhao GE JunJie XING Wei | 2022 | Science China(Technological Sciences)2022，65，10： | 3 |
| 17 | Carbon isotopic record from Upper Devonian carbonates at Dongcun in Guilin, southern China, supporting the world- wide pattern of carbon isotope excursions during Frasnian-Famennian transition显示文摘Two positive d 13C excursions are presented in records from the Frasnian-Famennian (F-F) marine carbon-ate sediments in Europe, America, Africa, and Australia, having been considered as a worldwide pattern, and attrib-uted to enhanced organic carbon burial during the F-F biological mass extinction. However, this worldwide pattern has not been revealed from the well-deposited Late Devonian sequences in southern China. In this paper, a detailed inves-tigation has been made on the Late Devonian section at Dongcun, Guilin, southern China to constrain perturbations in d 13C of carbonates in the F-F deposited sequence. The result from this section also indicates two positive d 13C ex-cursions during the F-F transition. The first excursion with an amplitude of 1.5 occurred at the bottom of linguiformis Zone, later than the early excursion existing in the Late rhe-nana Zone of the Late Devonian profiles in other continents, especially, in central Europe. This difference has been ex-pected to be a result as conodont Palmatolepis linguiformis occurred earlier in southern China than other sites. The second excursion with an amplitude of 2.1 is located at the F-F boundary, same as the records from other continents. This result strongly supports the view that two carbon iso-tope positive excursions during the F-F transition are com-mon in carbonate sediments, resulting from worldwide in-creases of organic carbon burial intensity. | XU Bing GU Zhaoyan LIU Qiang WANG Chengyuan LI Zhenliang | 2003 | Chinese Science Bulletin2003，48，12： | 2 |
| 18 | The trend and extent of heavy metal accumulation over last one hundred years in the Liaodong Bay,China显示文摘 | Xu Bing Yang Xiaobo Gu Zhaoyan | 2009 | Chemosphere2009，75，4： | 1 |
| 19 | Estimating random errors due to shot noise in backscatter lidar observations显示文摘 | Liu Zhaoyan William Hunt Mark Vaughan | 2006 | Appl Optic2006，45，18： | 1 |
| 20 | Dynamic optimal reactive power dispatch based on parallel particle swarm optimization algorithm显示文摘 | LI Ying CAO Yijia LIU Zhaoyan | 2009 | Computers and Mathematics with Applications2009，57，1112： | 1 |
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