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461篇 您的检索式:作者名="Leng L"
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1On the generalized Busemann-Petty problem显示文摘The generalized Busemann-Petty problem asks whether the origin-symmetric convex bod- ies in R^n with a larger volume of all i-dimensional sections necessarily have a larger volume.As proved by Bourgaln and Zhang,the answer to this question is negative if i>3.The problem is still open for i=2,3.In this article we prove two specific affirmative answers to the generalized Busemann-Petty problem if the body with a smaller i-dimensional volume belongs to given classes.Our results generalize Zhang’s specific affirmative answer to the generalized Busemann-Petty problem.Song-jun L~(1,2+) Gang-song LENG~1 1.College of Mathematics and Computer Science,Chongqing Normal University,Chongqin 400047,China 2.Department of Mathematics,Shanghai University,Shanghai 200444,China 2007Science China Mathematics2007,50,8:5
2Projected changes in mean and interannual variability of surface water over continental China显示文摘Five General Circulation Model(GCM) climate projections under the RCP8.5 emission scenario were used to drive the Variable Infiltration Capacity(VIC) hydrologic model to investigate the impacts of climate change on hydrologic cycle over continental China in the 21 st century. The bias-corrected climatic variables were generated for the Fifth Assessment Report of the Intergovernmental Panel on Climate Change(IPCC AR5) by the Inter-Sectoral Impact Model Intercomparison Project(ISIMIP). Results showed much larger fractional changes of annual mean Evapotranspiration(ET) per unit warming than the corresponding fractional changes of Precipitation(P) per unit warming across the country, especially for South China, which led to a notable decrease of surface water variability(P-E). Specifically, negative trends for annual mean runoff up to -0.33%/ year and soil moisture trends varying between -0.02% to -0.13%/year were found for most river basins across China. Coincidentally, interannual variability for both runoff and soil moisture exhibited significant positive trends for almost all river basins across China, implying an increase in extremes relative to the mean conditions. Noticeably, the largest positive trends for runoff variability and soil moisture variability, which were up to 0.41%/year and 0.90%/year, both occurred in Southwest China. In addition to the regional contrast, intra-seasonal variation was also large for the runoff mean and runoff variability changes, but small for the soil moisture mean and variability changes. Our results suggest that future climate change could further exacerbate existing water-related risks(e.g., floods and droughts) across China as indicated by the marked decrease of surface water amounts combined with a steady increase of interannual variability throughout the 21 st century. This study highlights the regional contrast and intra-seasonal variations for the projected hydrologic changes and could provide a multi-scale guidance for assessing effective adaptation strategies for China on a river basin, regional, or as a whole.LENG GuoYong TANG QiuHong HUANG MaoYi HONG Yang Leung L RUBY 2015Science China Earth Sciences2015,58,5:4
3Genomics-assisted breeding——A revolutionary strategy for crop improvement显示文摘Food shortages arise more frequently owing to unpredictable crop yield losses caused by biotic and abiotic stresses. With advances in molecular biology and marker technology, a new era of molecular breeding has emerged that has greatly accelerated the pace of plant breeding. High-throughput genotyping technology and phenotyping platforms have enabled large-scale marker-trait association analysis, such as genome-wide association studies, to precisely dissect the genetic architecture of plant traits. Large-scale mapping of agronomically important quantitative trait loci, gene cloning and characterization, mining of elite alleles/haplotypes, exploitation of natural variations, and genomic selection have paved the way towards genomics-assisted breeding(GAB). With the availability of more and more informative genomic datasets, GAB would become a promising technique to expedite the breeding cycle for crop improvement.LENG Peng-fei Thomas Lübberstedt XU Ming-liang 2017Journal of Integrative Agriculture2017,16,12:3
4Auxin Binding Protein 1 Reinforces Resistance to Sugarcane Mosaic Virus in Maize显示文摘Pengfei Leng Qing Ji Torben Asp Ursula K. Frei Christina R. Ingvardsen Yongzhong Xing Bruno Studer Margaret Redinbaugh Mark Jones Priyanka Gajjar Sisi Liu Fei Li Guangtang Pan Mingliang Xu Thomas Lǖbberstedt 2017Molecular Plant2017,10,10:2
5Genetic polymorphisms of cytokine genes and risk for trichloroethylene-induced severe generalized dermatitis: a case-control study 显示文摘DAI Y LENG S LI L 2004Biomarkers2004,9,6:1
6Shrinkage tuning parameter selection with a diverging number of parameters 显示文摘WANG H LIB L LENG C 2009J Roy Stat Soc B2009,71,3:1
7Macrophage migrationinhibitory factor promotes cell death and aggravates neurologicdeficits after experimental stroke 显示文摘Inacio AR Ruscher K Leng L 2011J Cereb Blood FlowMetab2011,31,4:1
8Macrophage migration inhibitory factor stimulates AMP-activated protein kinase in the ischaemic heart显示文摘 Li J Leng L 2008Nature2008,451,7178:1
9CD44 is the singnaling component of thd macrophage显示文摘Shi X Leng L Wang T 2006Immunity2006,25,4:1
10Macrophage migration inhibitory factor stimulates AMP-activated protein kinase in the ischaemic heart 显示文摘Miller E J Li J Leng L 2008Nature2008,451,7178:1
11Role for macrophage migration in- hibitory factor in asthma显示文摘Mizue Y Ghani S Leng L 2005Proc Natl Acad Sci USA2005,102,14:1
12'Gasket-seal' watertight closure in minimal-access endoscopic cranial base surgery显示文摘Leng L Z Brown S Anand V K 2008Neurosurgery2008,62,2:1
13Electrochemical Micromachining of Titanium Surfaces tor Biomedical Applications 显示文摘l u X Leng Y 2005Journal of Materials Processing Technology2005,169,2:1
14Mi R-718 represses VEGF and inhibits ovarian cancer cell progression显示文摘Leng R Zha L Tang L 2014FEBS Lett2014,588,12:1
15TLR3signaling in macrophages is indispensable for the protective immunity of invariant natural killer T cells against enterovirus 71infection显示文摘Zhu K Yang J Luo K Yang C Zhang N Xu R Chen J Jin M Xu B Guo N Wang J Chen Z Cui Y Zhao H Wang Y Deng C Bai L Ge B Qin C F Shen H Yang C F Leng Q 2015PLoS Pathog2015,11,10:1
16Insulin-like growth factor (IGF)-binding protein-6 inhibits IGF-II-induced but not basal proliferation and adhesion of L1M 1215 colon cancer cells 显示文摘Leng S L Leeding K S Whitehead R H 2001Molecular and Cellular Endocrinology2001,174,12:1
17MIF signal transduction initiated by binding to CD74显示文摘Leng L Metz CN Fang Y 2003J Exp Med2003,197,11:1
18Study on Marssonina blotch H the re-lationship between eultivars resistant differences and physi- cochemical characters (in Chinese) 显示文摘Xie W L Leng H Q 1990J Sichuan Agri Univ1990,8,1:1
19Combined analysis ofmRNA expression of ERCC1, BAG-l, BRCA1, RRM1 and TUBB3 to predict prognosis in patients with non-small cell lung cancer who received adjuvant chemotherapy显示文摘Leng XF1 Chen MW Xian L 2012J Exp Clin Cancer Res2012,,31:1
20Role of macrophage migration inhibitory factor in asthma显示文摘Mizue Y Ghani S Leng L 2005Proc Natl Acad Sci USA2005,102,14:1
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