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| 1 | Changes in China’s lakes: climate and human impacts显示文摘Lakes have played a critical role in providing water and ecosystem services for people and other organisms in China for millennia.However,accelerating climate change and economic boom have resulted in unprecedented changes in these valuable lakes.Using Landsat images covering the entity of the country,we explored the changes in China’s lakes and the associated driving forces over the last 30 years(i.e.mid-1980 s to 2015).We discovered that China’s lakes have changed with divergent regional trends:in the sparsely populated Tibetan Plateau,lakes are abundant and the lake area has increased dramatically from 38596 to46831 km^2(i.e.increased by 8235 km^2,or 21.3%),whereas,in the densely populated northern and eastern regions,lakes are relatively scarce and the lake area has decreased from 36659 to 33657 km^2(i.e.decreased by 3002 km^2,or 8.2%).In particular,severe lake decreases occurred in the Mongolia-Xinjiang Plateau and the Eastern Plain(-2151 km^2).Statistical analyses indicated that climate was the most important factor controlling lake changes in the Tibetan Plateau,the Yun-Gui Plateau and the Northeast Plain.However,the strength of climatic control on lake changes was low in the Eastern Plain and the Mongolia-Xinjiang Plateau,where human activities,e.g.impoldering,irrigation and mining,have caused serious impacts on lakes.Further lake changes will exacerbate regional imbalances between lake resources and population distribution,and thus may increase the risk of water-resource crises in China. | Shengli Tao Jingyun Fang Suhui Ma Qiong Cai Xinyu Xiong Di Tian Xia Zhao Leqi Fang Heng Zhang Jiangling Zhu Shuqing Zhao | 2020 | National Science Review2020，7，1： | 14 |
| 2 | Improved Hybrid Robust Control Method for the Electromechanical Actuator in Aircrafts显示文摘In the flight process of aircrafts, their electromechanical actuators(EMA) must have the ability of enduring uncertainties caused by factors such as load disturbance, the variation of work temperature and the EMA’s nonlinearity. At present, in order to increase the EMA’s robustness on the uncertainties, the H∞ control method has been applied in aircrafts. The major problems with standard H∞ control lie in the large overshoot of step response and the high orders of the controller. For the purpose of addressing the two problems, this paper investigates several kinds of robust control strategies of the EMA. A mathematical model of the EMA is first built, and then with MATLAB software a H∞ controller and an improved hybrid robust controller composed of a reduced order H∞ controller and a lead compensator are designed. In order to make a scientific comparison of the control effects of H∞ controller, hybrid controller and classic proportion-integral-differential(PID) controller, a simulation research is made in respect of the open loop frequency response and the closed loop step response of the three controllers. For comparing the robustness of the three controllers, the load torque is entered as a disturbance and the disturbance response of error and control input are thus obtained. The experiments with the three controllers are also conducted. Through giving the EMA a command and a disturbance torque successively, the transient response and disturbing process of EMA are recorded. The simulation and experiment results show that with the help of the hybrid controller, the EMA not only guarantees good dynamic characteristics, but also has strong robustness of disturbance rejection. Therefore, the excogitated H∞ hybrid control method effectively solves the problem of large overshoot in dynamic response, and moderately meets the requirement of overcoming the uncertainties in the EMA of aircrafts. | LU Hao LI Yunhu TIAN Shengli NIE Zhenjin | 2010 | Chinese Journal of Mechanical Engineering2010，23，4： | 8 |
| 3 | Developing multidrug-resistant cells and exploring correlation between BCRP/ABCG2 over-expression and DNA methyltransferase显示文摘乳癌抵抗 protein/ATP-binding 盒子亚科 G 成员 2 的表示(BCRP/ABCG2 ) 是化疗失败的主要原因。建立并且描绘 multidrug 抵抗房间并且调查 multidrug 抵抗的机制是重要的。基于人的乳癌 MCF-7/wt 房间表示 BCRP/ABCG2 的 Multidrug 抵抗的房间被逐渐地增加 mitoxantrone 的低集中的申请开发。实时量的 PCR,西方的污点,和 immunofluorescence 试金被采用分析 BCRP mRNA 和蛋白质表示。在房间的药累积被流动 cytometry 测量, DNA methyltransferases 被西方的污点分析。结果显示细胞 proliferative 生长的禁止的比率与 mitoxantrone 的集中展出了一种指数的关系。到 mitoxantrone 的 MCF-7/wt 房间的 IC50 被发现是 0.42 M。3-(4,5-Dimethylthlthiazol-2-YI )-2,5-Diphenyltetrazolium 溴化物试金显示在不同阶段的 mitoxantrone 抵抗的房间展出了抗力移转到 adriamycin 和 taxol。在在不同阶段的 mitoxantrone 抵抗的房间的 BCRP/ABCG2 mRNA 和蛋白质层次与增加 mitoxantrone 的集中增加了。在房间的 mitoxantrone 的细胞内部的累积随 BCRP/ABCG2 表示层次的增加减少了。DNA methyltransferase 1 (DNMT1 ) 并且在在不同阶段的房间的 DNA methyltransferase 3a (DNMT3a ) 表情稍微减少了,而 DNA methyltransferase 3b (DNMT3b ) 表示显著地减少。在药抵抗的房间的 BCRP/ABCG2 overexpression 和它的药流出功能是主要因素生产 multidrug 抵抗。我们的结果建议 multidrug 抵抗与 BCRP/ABCG2 的 overexpression 和 DNA methyltransferases 的减少有关,特别 DNMT3b。 | Nana Ji Jianhui Yuan Jianjun Liu Shengli Tian | 2010 | Acta Biochimica et Biophysica Sinica2010，42，12： | 4 |
| 4 | Synthesis,photophysical properties and TD-DFT calculation of four two-photon absorbing triphenylamine derivatives显示文摘In this study,linear absorption,single-photon excited fluorescence,fluorescence quantum yields,fluorescence lifetime and two-photon excited fluorescence of a series of triphenylamine derivatives (L1,L2,L3 and L4) have been measured.L1 and L3 are D--A type dyes,while L2 and L4 are D--D--A type dyes (D=donor,A=acceptor).The investigated compounds consist of triphenylamine-bearing donor-substituted and/or systematically extended-conjugated length,which are designed to gain insight into the effect of the ethoxyl unit and-linkage length on the linear and nonlinear optical properties.The influence of solvent polarity on the photophysical properties was investigated.Employing time-dependent density functional theory (TD-DFT) calculations,the structure-property relationships are discussed. | KONG Lin YANG JiaXiang ZHOU HongPing LI ShengLi HAO FuYing ZHANG Qiong TU YuLong WU JieYing XUE ZhaoMing TIAN YuPeng | 2013 | Science China Chemistry2013，56，1： | 3 |
| 5 | Experimental study on the phase change behavior of phase change material confined in pores显示文摘 | Dong Zhang Shengli Tian Deyan Xiao | 2006 | Solar Energy2006，，5： | 2 |
| 6 | Two novel terpyridine-based chromophores with donor-acceptor structural model containing modified triphenylamine moiety: Synthesis, crystal structures and two-photon absorption properties显示文摘Two novel terpyridine-based chromophores with D-A (D = donor, A = acceptor) structural model containing modified triphenylamine moiety (L1 and L2 ) have been conveniently synthesized via formylation and reduction in satisfactory yields, and fully characterized. The single crystals of them were obtained and determined by X-ray diffraction analysis. The relationships between structure and photophysical properties of the two chromophores were investigated both experimentally and theoretically. The measured maximum TPA cross-sections per molecular weight (δmax /MW) of the chromophores are 0.63 GM/(g mol) (L1) and 0.72 GM/(g mol) (L2), respectively, in DMF as a high polar solvent. The results indicate that the value of δmax/MW could be well tuned by the intramolecular charge transfer (ICT), which could be realized by introducing additional elecron-donor/acceptor groups. | LIU Jie ZHANG Qiong DING HongJuan ZHANG Jun TAN JingYun WANG ChuanKui WU JieYing LI ShengLi ZHOU HongPing YANG JiaXiang TIAN YuPeng | 2013 | Science China Chemistry2013，56，9： | 2 |
| 7 | Effect of reduced energy density of close-up diets on dry matter intake,lactation performance and energy balance in multiparous Holstein cows显示文摘Energy intake prepartum is critically important to health,milk performance,and profitability of dairy cows.The objective of this study was to determine the effect of reduced energy density of close-up diets on dry matter intake(DMI),lactation performance and energy balance(EB) in multiparous Holstein cows which were housed in a free-stall bam and fed for ad libitum intake.Thirty-nine dry cows were blocked and assigned randomly to three groups fed a high energy density diet[HD,n = 13;6.8 MJ of net energy for lactation(NE_L)/kg;14.0%crude protein(CP)],or a middle energy density diet(MD,n = 13;6.2 MJ NE_L/kg;14.0%CP),or a low energy density diet(LD,n = 13;5.4 MJ NE_L/kg;14.0%CP) from d 21 before expected day of calving.After parturition,all cows were fed the same lactation diet to d 70 in milk(DIM).The DMI and NE_L intake prepartum were decreased by the reduced energy density diets(P< 0.05).The LD group consumed 1.3 kg/d(DM) more diet compared with HD group in the last 24 h before calving.The milk yield and the postpartum DMI were increased by the reduced energy density diet prepartum(P< 0.05).The changes in BCS and BW prepartum and postpartum were not affected by prepartum diets.HD group had higher milk fat content and lower lactose content compared with LD group during the first 3 wk of lactation(P< 0.05).The energy consumption for HD,MD and LD groups were 149.8%,126.2%and 101.1%of their calculated energy requirements prepartum(P< 0.05),and 72.7%,73.1%and 75.2%during the first 4 wk postpartum,respectively.In conclusion,the low energy density prepartum diet was effective in controlling NE_L intake prepartum,and was beneficial in increasing DMI and milk yield,and alleviating negative EB postpartum. | Wenming Huang Yujia Tian Yajing Wang Aminamu Simayi Amingguli Yasheng Zhaohai Wu Shengli Li Zhijun Cao | 2015 | Journal of Animal Science and Biotechnology2015，6，1： | 1 |
| 8 | Evaluation of lump ores for use in modern blast furnaces as part of mixed burden practice显示文摘 | WU Shengli XU Haifa TIAN Yunqing | 2009 | Ironmaking & Steelrnaking2009，36，1： | 1 |
| 9 | Improvement of the cellulolytic activity of Tfichoderma reesei endoglucanase IV with an additional catalytie domain显示文摘 | LIU Gang TANG Xing TIAN Shengli | 2006 | World J Microbiol Biotechnol2006，22，： | 1 |
| 10 | An Ant Colony Optimiza- tion Algorithm For Image Edge Detection显示文摘 | Jing Tian Weiyu Yu Shengli Xie | 2008 | IEEE Congress on Evolutionary Computation2008，1，6： | 1 |
| 11 | Experimental study on the phase change behavior of phase change material confined in pores显示文摘 | Dong Zhang Shengli Tian Deyan Xiao | 2006 | Solar Energy2006，，5： | 1 |
| 12 | Cloning and Bioinformatics Analysis of PsSFBB Gene in Xinjiang Pear显示文摘[Objective] This study aimed to clone the PsSFBB gene from Xinjiang pear for bioinformatics analysis.[Method] PsSFBB gene was cloned from anthers of Qipan pear by using RT-PCR and RACE technologies for bioinformatics analysis.[Result] A SFBB6-α gene with a full-length of 1 231 bp was cloned and named PsSFBB6-α(Genbank accession number:EU909685).PsSFBB6-α gene encodes a protein of 378 amino acids,with an F-box motif composed of about 50 amino acids in the N-terminal.According to the bioinformatics analysis,the molecular formula of PsSFBB6-α protein is C2000H3034N517O558S23,with relative molecular mass of 43 987.5 and isoelectric point of 6.02,and the secondary structure is dominated by α-helices;theoretically,the half life period is 30 h and the instability parameter is 55.21,so PsSFBB6-α protein is an instable protein;in addition,it is predicted that PsSFBB6-α protein is a hydrophilic and non-secreted protein with lyases activity and specifically recognized substrates,which was consistent with the function of F-box protein.[Conclusion] This study laid the foundation for further research on SFBB proteins and the mechanism of self-incompatibility and provided theoretical basis for breeding of self-compatible cultivars of Xinjiang pear and scientific arrangement of pollination trees in production to increase the yield and quality. | Shengli XU Xiaoqing CHEN Minjuan LIN Jiangbo WANG Jianping BAO Danna LIANG Jingjing WANG Beibei TIAN | 2012 | Agricultural Biotechnology2012，1，1： | 1 |
| 13 | Volatile static random access memory behavior of an aromatic polyimide bearing carbazole-tethered triphenylamine moieties显示文摘 | Lei Shi Guofeng Tian Hebo Ye Shengli Qi Dezhen Wu | | Polymer0，，5： | 1 |
| 14 | A novel Physarum polycephalum SR protein kinase specifically phosphorylates the RS domain of the human SR protein, ASF/SF2显示文摘象蛋白质一样的充满丝氨酸的蛋白质 kinase (SRPK ) 的 A 1591-bp cDNA 在 Physarum polycephalum 被识别了(GenBank 同意没有。DQ140379 ) 。cDNA 在 bp 包含二个重复序列 1153 并且 bp 395547。编码顺序是 56% 对人的 SRPK1 相应并且被称为 Physarum SRPK (PSRPK ) 。与另外的 SRPK 一致, PSRPK 的一致主题在二保存的域(CD ) 以内。然而,在 N 终端和 CD 之间的分叉的主题比另外的 SRPK 的相应序列短得多。学习这蛋白质的结构和功能,我们在 Escherichia coli 并且在 vitro phosphorylation 试金执行了合作表示实验在人的 SR 蛋白质上调查 recombinant PSRPK 的 phosphorylation 效果, ASF/SF2。西方的污点分析显示出那 PSRPK 能在 E 的 phosphorylate ASF/SF2。coli 房间。Autoradiographic 检查显示出那 recombinant PSRPK 和有在 N 终点的 28-aa 删除的 PSRPK 的一种截断的形式能 phosphorylate ASF/SF2 和包含 RS 领域的 ASF/SF2 的一种截断的形式。然而,这二 PSRPK 形成不能 phosphorylate 缺乏 RS 领域的截断的形式 ASF/SF2。也 CD 缺乏的 PSRPK 的一种截断的形式不举办任何 phosphorylation 活动。这些结果显示在 PSRPK 的 phosphorylation 地点象另外的 SRPK 一样,位于 SR 蛋白质的 RS 领域以内并且它的 phosphorylation 活动仔细与二 CD 被联系。PSRPK 的结构和功能上的这研究证明它是 SRPK 家庭的一个新成员。 | Shide Liu Kang Kang Jianhua Zhang Qiuling Ouyang Zhuolong Zhou Shengli Tian Miao Xing | 2009 | Acta Biochimica et Biophysica Sinica2009，41，8： | 1 |
| 15 | Measures for oscillatory sequences显示文摘 | TIAN Chuanjun XIE Shengli CHENG Suisun | 1998 | Computers and Mathemat ics with Applications1998，36，1012： | 1 |
| 16 | Synergistic lubricating effect of graphene/ionic liquid composite material used as an additive显示文摘We prepared a graphene/ionic liquid(G/IL)composite material by the hybridization of G and an IL for use as a lubricating oil additive.The friction coefficient and wear volume of a base oil containing 0.04 wt%of the G/IL composite was reduced by 45%and 90%,respectively.Furthermore,the base oil containing the G/IL composite exhibited better lubricating properties than the base oil containing G,IL,or a mixture of IL and G at the same mass fraction.A synergistic lubrication mechanism was also revealed.The G/IL composite was adsorbed and deposited on the wear surface,forming a more ordered protective film and a unique tribochemical reaction film during rubbing.Therefore,the G/IL composite exhibited the synergistic lubricating effects of G and IL,which significantly improved the lubricating performance of the base oil.This study also suggested a way to limit the out-of-plane puckering of G at the macroscale. | Lincong LIU Ming ZHOU Youtang MO Pengpeng BAI Qilin WEI Long JIN Shengli YOU Mingyue WANG Liangchuan LI Xin CHEN Xiao LI Yu TIAN | 2021 | Friction2021，9，6： | 1 |
| 17 | Performance analysis on an MAP fine timing algorithm in UWB multi- band OFDM显示文摘 | Berger C R Zhou Shengli Tian Zhi | 2008 | IEEE Transactions on Communications2008，56，10： | 1 |
| 18 | Stability and chaos in a class of finite-dimensional discrete spatiotemporal systems显示文摘 | Chuanjun Tian Guanrong Chen Shengli Xie | 2008 | Computers and Mathematics with Applications2008，，10： | 1 |
| 19 | Mechanical behavior of nano-Al2O3 dispersion-hardened copper-base composite at elevated temperature显示文摘 | Tian Baohong Liu Ping Han Shengli | 2004 | Key Engineering Materials2004，，： | 1 |
| 20 | Experimental study on the phase change behavior of phase change material confined in pores显示文摘 | Zhang Dong Tian Shengli Xiao Deyan | 2007 | Solar Energy2007，81，： | 1 |
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