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16篇 您的检索式:作者名="Shichen Zhao"
    题名 作者 年代 出处 被引量
1Pollen-inferred vegetation and environmental changes since 16.7 ka BP at Balikun Lake, Xinjiang显示文摘A high-resolution fossil pollen record from the sedimentary cores of Balikun Lake, northwestern China, combined with modern surface pollen data, is used to reconstruct the history of vegetation and climatic change since 16.7 cal. ka BP. Fossil pollen assem-blages and lithology indicate that the study area was dominated by desert. The desert had extremely arid climate and lower effec-tive moisture during 16.7–7.9 cal. ka BP, especially from 16.7 to 8.9 cal. ka BP when the lake maybe dried up. During 8.9–7.9 cal. ka BP, the environment gradually recovered in this area. It was then followed by the optimum period from 7.9 to 4.3 cal. Ka BP, when the effective moisture obviously increased. It was characterized by the typical desert-steppe/steppe vegetation and was ac-companied with several patch-birch woodlands around the lake. After that, a short but extremely arid climatic event occurred during 4.3–3.8 cal. ka BP, and the vegetation quickly changed from desert-steppe/steppe to desert. It was a relatively optimum period from 3.8 to 0.53 cal. ka BP showing typical desert-steppe/meadow-steppe landscape. Since 0.53 cal. ka BP, the climate has shown signs of deteriorating again. Furthermore, regional comparison shows that the characteristics of climatic and environmental evolution in this area were clearly different from East Asia monsoonal area during the last 16.7 cal. ka BP. It was characterized by the arid climate during the late-glacial and early Holocene, and relatively wet during the mid-late Holocene.TAO ShiChen AN ChenBang CHEN FaHu TANG LingYu WANG ZongLi LU YanBin LI ZhiFei ZHENG TongMing ZHAO JiaJu 2010Chinese Science Bulletin2010,55,22:20
2Parallel selection of distinct Tof5 alleles drove the adaptation of cultivated and wild soybean to high latitudes显示文摘Photoperiod responsiveness is a key factor limiting the geographic distribution of cultivated soybean and its wild ancestor.In particular,the genetic basis of the adaptation in wild soybean remains poorly understood.In this study,by combining whole-genome resequencing and genome-wide association studies we identified a novel locus,Time of Flowering 5(Tof5),which promotes flowering and enhances adaptation to high latitudes in both wild and cultivated soybean.By genomic,genetic and transgenic analyses we showed that Tof5 en-codes a homolog of Arabidopsis thaliana FRUITFULL(FUL).Importantly,further analyses suggested that different alleles of Tof5 have undergone parallel selection.The Tof5H1 allele was strongly selected by humans after the early domestication of cultivated soybean,while Tof5H2 allele was naturally selected in wild soybean,and in each case facilitating adaptation to high latitudes.Moreover,we found that the key flowering repressor E1 suppresses the transcription of Tof5 by binding to its promoter.In turn,Tof5 physically associates with the promoters of two important FLOWERING LOCUS T(FT),FT2a and FT5a,to upregulate their transcription and promote flowering under long photoperiods.Collectively,ourfindings provide insights into how wild soybean adapted to high latitudes through natural selection and indicate that cultivated soybean underwent changes in the same gene but evolved a distinct allele that was artificially selected after domestication.Lidong Dong Qun Cheng Chao Fang Lingping Kong Hui Yang Zhihong Hou Yongli Li Haiyang Nan Yuhang Zhang Qingshan Chen Chunbao Zhang Kun Kou Tong Su Lingshuang Wang Shichen Li Haiyang Li Xiaoya Lin Yang Tang Xiaohui Zhao Sijia Lu Baohui Liu Fanjiang Kong 2022Molecular Plant2022,15,2:5
3Integrating eye-movement analysis and the semantic differential method to analyze the visual effect of a traditional commercial block in Hefei, China显示文摘Eye-movement analysis was adopted to evaluate the visual perception of Chinese traditional commercial blocks,and the Chenghuangmiao block in Hefei,China,was selected as a typical case.Eye-movement data from 40 respondents viewing 14 sample pictures were recorded.The spatial elements of the sample pictures,including landmarks and commercial brands,were further extracted to analyze the visual characteristics of spatial elements and the factors that affect the respondents’perceptions of those elements.Then,the semantic differential method was used to analyze the relationship between visual preferences and psychological perceptions of spatial elements.Seventeen pairs of opposing adjectives were selected to score the intrinsic properties and visitors,feelings of spaces.The software SPSS 22.0 was used to analyze these data.Results showed that distinctive spatial elements,such as street corridors,Ma Tau Walls,and various landmarks,were the most visually attractive.In addition,the location of a given element within a picture was an important factor affecting eye movements.On this basis,strategies for improving spatial-visual effects are proposed.The strategies include emphasizing the visual characteristics of different spatial elements,considering the overall layout of spatial elements,and creating diversified spaces based on different spatial categories.Zao Li Xia Sun Shichen Zhao Hongwei Zuo 2021Frontiers of Architectural Research2021,10,2:5
4Effects of land and building usage on population, land price and passengers in station areas: A case study in Fukuoka, Japan显示文摘Xinyu Zhuan Shichen Zhao 2014Frontiers of Architectural Research2014,3,2:4
5Quantifying the relationship between visitor satisfaction and perceived accessibility to pedestrian spaces on festival days显示文摘Andini Radisya Pratiwi Shichen Zhao Xiaoyan Mi 2015Frontiers of Architectural Research2015,4,4:1
6The Combined Utilization of Mine Gas显示文摘ZHAO Shichen 2002Safety and Environment at the Mine2002,29,4:1
7Characteristics of road network forms in historic districts of Japan显示文摘Ze Liu Shichen Zhao 2015Frontiers of Architectural Research2015,4,4:1
8Formation and Urban Transformation of Lhasa City显示文摘ZHANG Yingzi ZHAO Shichen LIU Jiaping 2011Journal of Architectural and Urban Design2011,,6:1
9Spatial Composition and Behavior Characteristics of Pilgrimage Routes in Lhasa City, Tibet显示文摘ZHANG Yingzi ZHAO Shichen ATUSHI D 2011Journal of Architectural and Planning (Transactions of AIJ)2011,674,4:1
10Development and validation of InDel markers for identification of QTL underlying flowering time in soybean显示文摘Soybean [Glycine max(L.) Merrill] is a major plant source of protein and oil. An accurate and well-saturated molecular linkage map is a prerequisite for forward genetic studies of gene function and for modern breeding for many useful agronomic traits. Next-generation sequence data available in public databases provides valuable information and offers new insights for rapid and efficient development of molecular markers. In this study, we attempted to show the feasibility and facility of using genomic resequencing data as raw material for identifying putative In Del markers. First, we identified 17,613 In Del sites among 56 soybean accessions and obtained 12,619 primer pairs. Second, we constructed a genetic map with a random subset of 2841 primer pairs and aligned 300 polymorphic markers with the 20 consensus linkage groups(LG). The total genetic distance was 2347.3 c M and the number of mapped markers per LG ranged from 10 to 23 with an average of 15 markers. The largest and smallest genetic distances between adjacent markers were 52.3 c M and 0.1 cM, respectively. Finally, we validated the genetic map constructed by newly developed In Del markers by QTL analysis of days to flowering(DTF) under different environments. One major QTL(qDTF4) and four minor QTL(qDTF20, qDTF13, qDTF12,and q DTF11) on 5 LGs were detected. These results demonstrate the utility of the In Del markers developed in this work for map-based cloning and molecular breeding in soybean.Jialin Wang Lingping Kong Kanchao Yu Fengge Zhang Xinyi Shi Yanping Wang Haiyang Nan Xiaohui Zhao Sijia Lu Dong Cao Xiaoming Li Chao Fang Feifei Wang Tong Su Shichen Li Xiaohui Yuan Baohui Liu Fanjiang Kong 2018The Crop Journal2018,6,2:1
11Dust variation recorded by lacustrine sediments from arid Central Asia since ~<ce:hsp sp='0.10'/>15 cal ka BP and its implication for atmospheric circulation显示文摘Cheng-Bang An Jiaju Zhao Shichen Tao Yanbin Lv Weimiao Dong Hu Li Ming Jin Zongli Wang 2010Quaternary Research2010,,3:1
12Terbium-doped zinc oxide constructed dual-light-responsive nitric oxide-releasing platform for bacterial keratitis treatment显示文摘Bacterial keratitis(BK)is a principal factor contributing to corneal ulcers and ocular complications,and has become a significant killer of global vision health.Traditional antibiotic therapy has unsatisfactory therapeutic effect due to short residence time and low utilization rate of drug,and the long-term abuse of antibiotics can easily incur the prevalence of drug-resistant bacteria.Furthermore,antibiotics are not effective in addressing the excessive inflammatory response caused by infection.Here,we developed a terbium-doped zinc oxide constructed dual-light-responsive nitric oxide(NO)-releasing nanoparticle(ZT@P@B)and modified it on the surface of contact lenses(CL-ZT@P@B)to boost its bioavailability.In vitro and in vivo experimental results verified that ZT@P@B could simultaneously respond to green light(GL)and 808 nm near-infrared(NIR)without obvious damage to the eyes,releasing reactive oxygen species(ROS)and NO,which could effectively kill bacteria(including drug-resistant strains)and reduce inflammatory response.The platform provides a promising strategy for the prevention and treatment of BK.Yue Sun Wei Zhang Menghui Wang Huijie Liu Qun Li Jiazhe Luo Mengzhen Zhao Shichen Liu Xiaolei Wang 2023Nano Research2023,16,1:0
13A novel protein domain is important for photosystem Ⅱ complex assembly and photoautotrophic growth in angiosperms显示文摘Photosystem Ⅱ(PSⅡ)is a multi-subunit protein complex of the photosynthetic electron transport chain that is vital to photosynthesis.Although the structure,composition,and function of PSⅡ have been extensively studied,its biogenesis mechanism remains less understood.Thylakoid rhodanese-like(TROL)provides an anchor for leaf-type ferredoxin:NADP^(+)oxidoreductase.Here,we report the chacterizaton of a second type of TROL protein,TROL2,encoded by seed plant genomes whose function has not previously been reported.We show that TROL2 is a PSⅡ assembly cofactor with essential roles in the establishment of photoautotrophy.TROL2 contains a 45-amino-acid domain,termed the chlorotic lethal seedling(CLS)domain,that is both necessary and sufficient for TROL2 function in PSⅡ assembly and photoautotrophic growth.Phylogenetic analyses suggest that TROL2 may have arisen from ancestral TROL1 via gene duplication before the emergence of seed plants and acquired the CLS domain via evolution of the sequence encoding its N-terminal portion.We further reveal that TROL2(or CLS)forms an assembly cofactor complex with the intrinsic thylakoid membrane protein LOW PSⅡ ACCUMULATION2 and interacts with small PSⅡ subunits to facilitate PSⅡ complex assembly.Collectively,our study not only shows that TROL2(CLS)is essential for photoautotrophy in angiosperms but also reveals its mechanistic role in PSⅡ complex assembly,shedding light on the molecular and evolutionary mechanisms of photosynthetic complex assemblyin angiosperms.Wei Li Jiangfan Guo Xue Han Xiaowen Da Kai Wang Hongfei Zhao Shi-Tang Huange Bosheng Li Hang He Ruirui Jiang Shichen Zhou Peng Yan Tao Chen Yi He Jiming Xu Yu Liu Yunrong Wu Huixia Shou Zhongchang Wu Chuanzao Mao Xiaorong Mo 2023Molecular Plant2023,16,2:0
14Hierarchical ultrastructure:An overview of what is known about tendons and future perspective for tendon engineering显示文摘Abnormal tendons are rarely ever repaired to the natural structure and morphology of normal tendons.To better guide the repair and regeneration of injured tendons through a tissue engineering method,it is necessary to have insights into the internal morphology,organization,and composition of natural tendons.This review summarized recent researches on the structure and function of the extracellular matrix(ECM)components of tendons and highlight the application of multiple detection methodologies concerning the structure of ECMs.In addition,we look forward to the future of multi-dimensional biomaterial design methods and the potential of structural repair for tendon ECM components.In addition,focus is placed on the macro to micro detection methods for tendons,and current techniques for evaluating the extracellular matrix of tendons at the micro level are introduced in detail.Finally,emphasis is given to future extracellular matrix detection methods,as well as to how future efforts could concentrate on fabricating the biomimetic tendons.Shichen Zhang Wei Ju Xiaoyi Chen Yanyan Zhao Lingchong Feng Zi Yin Xiao Chen 2022Bioactive Materials2022,7,2:0
15ACOUSTIC EMISSION AND HYDROGEN EVOLUTION DURING SOLIDIFICATION OF ALUMINUM ALLOYS显示文摘Study of the solidification process of both Al-Si and Al-Cu alloys proved the presence ofacoustic emission phenomena.Two peaks of count rate have been observed.The total countsof both peaks increase with the increasing hydrogen content of the alloy.The mechanism ofproducing the acoustic emission has been discussed.At the same time,results obtained by oth-er techniques strongly support the good correlation between the acoustic emission andhydrogen releasing during solidification.The bubble nucleation between dendrite arms is themain cause of the first peak,while the fracture of the bridge connecting the interdendrites atthe later stage of solidification is the main cause of the second peak.It is probably due to thehydrogen evolution and accumulation to create high pressure in the interdendritie region.ZHOU Zhao JI Shichen HU Zhuangqi SHI Changxu (C.H.Shih) Institute of Metal Research,Academia Sinica,Shenyang,China 1989Acta Metallurgica Sinica(English Letters)1989,2,2:0
16Constitutive model for epoxy shape memory polymer with regulable phase transition temperature显示文摘The epoxy shape memory polymer(SMP)with adjustable phase transition temperature is a kind of high-performance shape mem-ory polymer,which can change its phase transition temperature and improve its mechanical properties through the process of photo curing.An epoxy SMP constitutive model combining phase transition and viscoelasticity is established by discretizing the epoxy SMP into several glass phase units and rubbery phase units in this paper.The model includes the viscoelastic constitutive equa-tions of glass phase units and rubber phase units,the parameter expression during shape memory process,and material parameter equation during photocuring process.And the stress relaxation behavior of epoxy SMP at different temperatures and the change of material parameters during the photo-curing process are simu-lated numerically,and the simulation results perform consistency with the experimental data.The model can not only relate shape memory effect and phase transformation in physics but also better characterize the viscoelastic properties of SMP and predict the shape memory response of SMP.Fei Zhao Xueyao Zheng Shichen Zhou Bo Zhou Shifeng Xue Yi Zhang 2021International Journal of Smart and Nano Materials2021,12,1:0
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