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| 1 | Discovery of mitochondrial chimeric-gene associated with cytoplasmic male sterility of HL-rice显示文摘The mitochondrial genome libraries of HL-type sterile line(A) and maintainer line(B) have been constructed. Mitochondrial gene, atp6, was used to screen libraries, due to the different Southern and Northern blot results between sterile and maintainer line. Sequencing analysis of positive clones proved that there were two copies of atp6 gene in sterile line and only one in maintainer line. One copy of atpt6 in sterile line was same to that in maintainer line; the other showed different flanking sequence from the 49th nucleotide downstream of the termination codon of atp6 gene. A new chimeric gene, orfH79, was found in the region. OrfH79 had homology to mitochondrial gene cox Ⅱ and orf107, and was special to HL-sterile cytoplasm. | Yl Ping WANG Li SUN Qingping ZHU Yingguo | 2002 | Chinese Science Bulletin2002，47，9： | 36 |
| 2 | Effects of resolvin D1 on inflammatory responses and oxidative stress of lipopolysaccharide-induced acute lung injury in mice显示文摘 | Yuan Ruixia Wang Lei Yao Chengyue Wu Qingping Marie Christelle Xie Wanli Zhang Xingcai Sun Wei Wang Huiqing Yao Shanglong | 2014 | Chinese Medical Journal2014，，5： | 10 |
| 3 | Effects of grain size on phase transition behavior of nanocrystalline shape memory alloys显示文摘We report recent advances in the experimental and theoretical study of grain size(GS)effects on the thermal and mechanical properties of nanostructured NiTi polycrystalline shape memory alloy(SMA).It is shown that when GS<60 nm,the superelastic stress-strain hysteresis loop area(H)of the polycrystal decreases rapidly with GS and tends to vanish as GS approaches 10 nanometers.At the same time,the temperature dependence of the transition stress also decreases with GS and eventually approaches zero,leading to a wide superelastic temperature window and breakdown of the Clausius-Claperyon relationship.Rate dependence of the stress-strain responses is significantly reduced and the cyclic stability of the material is improved by the nanocrystallization.It is proposed that the emergence of such significant changes in the behavior of the material with GS reduction originate from the large increase in the area-to-volume ratios of the nanometer-thick interfaces(grain boundary and Austenite-Martensite(A-M)interface)in the polycrystal.In particular,with GS reduction,interfacial energy terms will gradually become dominant over the bulk energy of the crystallite,eventually bring fundamental changes in the phase transition responses of the material.Modelling strategy leading to the establishment of quantitative relationships among GS,grain boundary,A-M interfaces and the macroscopic responses of the material are outlined. | SUN QingPing ASLAN Ahadi LI MingPeng CHEN MingXiang | 2014 | Science China(Technological Sciences)2014，57，4： | 9 |
| 4 | Transcriptomic analyses identify albino-associated genes of a novel albino tea germplasm ‘Huabai 1’显示文摘Albinism in shoots of tea plants is a common phenotypic expression which gives the tea infusion a pleasant umami taste.A novel natural albino mutant tea germplasm containing high amino acids content was found and named as‘Huabai 1’.‘Huabai 1’has white jade tender shoots under low temperature and turns green with increased temperature.In order to understand the molecular mechanism of color change in leaf of‘Huabai 1’,transcriptome analysis was performed to identify albino-associated differentially expressed genes(DEGs).A total of 483 DEGs were identified from white shoots of‘Huabai 1’compared to its green shoots.There were 15 DEGs identified to be involved in phenylpropanoid biosynthesis,which account for the majority of characterized DEGs.The metabolites related to phenylpropanoid biosynthesis revealed similar expression pattern of DEGs.Furthermore,metabolic pathways such as ubiquonone,tyrosine,and flavonoid biosynthesis associated with phenylpropanoid biosynthesis could also contribute to the color change in‘Huabai 1’tender shoots.Protein–protein interaction analysis revealed a hub protein NEDD8(CSA009575)which interacted with many regulated genes in spliceosome,nitrogen metabolism,phenylpropanoid biosynthesis,and other pathways.In conclusion,the findings in this study indicate that the color change of‘Huabai 1’tender shoots is a combined effect of phenylpropanoid biosynthesis pathway and other metabolic pathways including flavonoid biosynthesis in tea plants.Chlorophyll biosynthesis-related genes LHCII and SGR may also play some roles in color change of‘Huabai 1’. | Qingping Ma Huan Li Zhongwei Zou Emmanuel Arkorful Qianru Lv Qiongqiong Zhou Xuan Chen Kang Sun Xinghui Li | 2018 | Horticulture Research2018，5，1： | 7 |
| 5 | Chelating agents role on phase formation and surface morphology of single orthorhombic YMn_2O_5 nanorods via modified polyacrylamide gel route显示文摘YMn2O5nanorods were synthesized through a modified polyacrylamide gel route.The synthesis strategy in this work is based on a sol-gel process using a polyacrylamide gel method in which oxalic acid,citric acid or tartaric acid is employed as the chelating agent.In the gel routes,oxalic acid was used as a carboxyl chelating agent,while citric acid or tartaric acid was a carboxyl and hydroxyl chelating agent.The as-prepared samples were characterized by means of techniques such as X-ray powder diffraction(XRD)measurement,thermogravimetric analysis(TG),differential scanning calorimetry analysis(DSC),Fourier transform infrared spectroscopy(FTIR),X-ray photoelectron spectroscopy(XPS),thermal expansion measurement and field-emission scanning electron microscopy(SEM)investigations.It was found that oxalic acid is the best chelating agent with Y(NO3)3·6H2O and Mn(CH3COO)2·4H2O as precursors to prepare a single orthorhombic YMn2O5nanorods at 1000°C.Scanning electron microscope observation shows that the morphology of YMn2O5powders is significantly dependent on the chelating agent.The peaks(single orthorhombic YMn2O5nanorods)at 642,600,573,546,521,493,486,468,448 and 400cm?1were observed from FTIR spectra.The phase,surface morphology and chelation mechanisms of YMn2O5samples have been discussed on the basis of the experimental results. | WANG ShiFa ZHANG ChuanFei SUN GuangAi CHEN Bo XIANG Xia DING QingPing ZU XiaoTao | 2014 | Science China Chemistry2014，57，3： | 4 |
| 6 | The editing sites in transcripts of functional genes of rice mitochondria显示文摘RNA editing exists extensively in the higher plant mitochondria, and is a required step for forming functional proteins. There may be some relationship between RNA editing and cytoplasmic male sterility (CMS), a kind of phenomenon that is attributed to mitochondrial genome mutations. The research materials used are the gametophytic male sterility line (A), maintainer line (B) and F1 hybrid (F1) of HL-type CMS rice. cDNAs and DNAs of atp6 and coxII have been obtained from A, B and F1 by PCR and RT-PCR. Comparing sequences of cDNAs and DNAs, 18 and 15 editing sites were found respectively in the transcripts of atp6 and coxll. A, B and F1 shared the same editing sites. RNA editing improves hydrophobicity and conservation of the predicted protein as compared with other organisms. | Yl Ping WANG Li SUN Qingping ZHU Yingguo | 2002 | Chinese Science Bulletin2002，47，11： | 3 |
| 7 | The Response of Vegetation Biomass to Soil Properties along Degradation Gradients of Alpine Meadow at Zoige Plateau显示文摘Alpine grassland of the Tibetan Plateau has undergone severe degradation, even desertification. However, several questions remain to be answered, especially the response mechanisms of vegetation biomass to soil properties. In this study, an experiment on degradation gradients was conducted in an alpine meadow at the Zoige Plateau in 2017. Both vegetation characteristics and soil properties were observed during the peak season of plant growth. The classification and regression tree model(CART) and structural equation modelling(SEM) were applied to screen the main factors that govern the vegetation dynamics and explore the interaction of these screened factors. Both aboveground biomass(AGB) and belowground biomass(BGB) experienced a remarkable decrease along the degradation gradients. All soil properties experienced significant variations along the degradation gradients at the 0.05 significance level. Soil physical and chemical properties explained 54.78% of the variation in vegetation biomass along the degradation gradients. AGB was mainly influenced by soil water content(SWC), soil bulk density(SBD), soil organic carbon(SOC), soil total nitrogen(STN), and pH. Soil available nitrogen(SAN), SOC and p H, had significant influence on BGB. Most soil properties had positive effects on AGB and BGB, while SBD and p H had a slightly negative effect on AGB and BGB. The correlations of SWC with AGB and BGB were relatively less significant than those of other soil properties. Our results highlighted that the soil properties played important roles in regulating vegetation dynamics along the degradation gradients and that SWC is not the main factor limiting plant growth in the humid Zoige region. Our results can provide guidance for the restoration and improvement of degraded alpine grasslands on the Tibetan Plateau. | LIU Miao ZHANG Zhenchao SUN Jian XU Ming MA Baibing TIJJANI Sadiy Baba CHEN You-jun ZHOU Qingping | 2020 | Chinese Geographical Science2020，30，3： | 3 |
| 8 | NON-LOCAL MODELING ON MACROSCOPIC DOMAIN PATTERNS IN PHASE TRANSFORMATION OF NiTi TUBES显示文摘Recent experiments[ 1]revealed many new phenomena of the macroscopic domain patterns in the stress-induced phase transformation of a superelastic polycrystalline NiTi tube during tensile loading.The new phenomena include deformation instability with the formation of a helical domain,domain topology transition from helix to cylinder,domain-front branching and loading-path dependence of domain patterns.In this paper,we model the polycrystal as an elastic continuum with nonconvex strain energy[ 2]and adopt the non-local strain gradient energy to account for the energy of the diffiusive domain front.We simulate the equilibrium domain patterns and their evolution in the tubes under tensile loading by a non-local Finite Element Method (FEM).It is revealed that the observed loading-path dependence and topology transition of domain patterns are due to the thermodynamic metastability of the tube system.The computation also shows that the tube-wall thickness has a significant effect on the domain patterns:with fixed material properties and interfacial energy density,a large tube-wall thickness leads to a long and slim helical domain and a severe branching of the cylindrical-domain front. | Yongjun He Qingping Sun | 2009 | Acta Mechanica Solida Sinica2009，22，5： | 3 |
| 9 | Theory of passive localization for underwater sources based on acoustic ray modeling显示文摘The theory of passive localization for underwater sources based on acoustic ray channel modeling is discussed. The principles of channel modeling in Ray-theory, determination of eigenrays which connect source and receiver, analysis of DOA arriving structure and time delay spectrum arriving structure, their relationship to source location are given in the paper. Source location is estimated by matching measured DOA and TDS to their calculated counterparts. The method of Ray-theory based passive localization features its simplicity, less calculation, short array aperture and robust performance to environment parameters, as compared with those methods based on Normal Mode theory. | SUN Zhenge (National Laboratory of Acoustics Beijing 100080)MA Yuanliang TU Qingping and JIANG Xiaoquan(College of Marine Engineering, NPU Xi’an 710072) | 1997 | Chinese Journal of Acoustics1997，16，3： | 2 |
| 10 | STRESS HYSTERESIS AND DOMAIN EVOLUTION IN THERMOELASTIC TENSION STRIPS显示文摘Martensite domain formation,evolution and annihilation are widely observed in stress-induced phase transformation of superelastic NiTi polycrystalline shape memory alloys. By the calculation of the thermodynamic driving force and the incorporation of friction kinetics of the interface,the domain morphology and its evolution were successfully simulated by the interface-tracking technique.The computational results agree well with the experimental observation of tensile strips.Based on theoretical and computational results,we discussed the effects of critical driving force and the existence of metastability on the transition between different domain patterns. | Liang Dong Qingping Sun | 2009 | Acta Mechanica Solida Sinica2009，22，5： | 2 |
| 11 | A Study on Thermal Self-diagnostic and Self-adaptive Smart Concrete Structures显示文摘 | Sun Mingqing Li Zhuoqiu Liu Qingping | 2000 | Cement and Concrete Research2000，30，12： | 1 |
| 12 | Oliver–Pharr indentation method in determining elastic moduli of shape memory alloys—A phase transformable material显示文摘 | Qianhua Kan Wenyi Yan Guozheng Kang Qingping Sun | 2013 | Journal of the Mechanics and Physics of Solids2013，，： | 1 |
| 13 | A study of piezoelectric properties of carbon fiber reinforced concrete and plain cement paste during dynamic loading 显示文摘 | SUN Mingqing LIU Qingping LI Zhuoqiu | 2000 | Cement Concrete Research2000，30，8： | 1 |
| 14 | The Electrical Emission of the Mortar显示文摘 | Sun Mingqing Li Zhuoqin Liu Qingping | 2001 | Cement Concrete Research2001，28，3： | 1 |
| 15 | A MICROMECHANICS CONSTITUTIVE THEORY FOR FORWARD TRANSFORMATION PLASTICITY WITH SHEAR AND DILATATION EFFECT:I,NONPROPORTIONAL LOADING HISTORY显示文摘A micromechanics constitutive theory which takes into account both the dilatation and shear ef-fects of the transformation is proposed to describe the macroscopic plastic behavior of structure ceramics duringforward transformation under different temperatures.Under some basic assumptions,the analytic expressions ofthe Helmholtz and complementary free energy of the constitutive element are derived in a self-consistentmanner by using the Mori-Tanaka’s method which takes into account the interaction between the transformedinclusions.In the framework of Hill-Rice’s internal variable constitutive theory,the forward transformationyield function and incremental stress strain relations,in analogy to the theory of metal plasticity,fornon-proportional loading histories are obtained. | Hwang Kehchih Sun Qingping Yu Shouwen (Department of Engineering Mechanics,Tsinghua University,Beijing,China.) | 1990 | Acta Mechanica Sinica1990，6，4： | 1 |
| 16 | A study on thermal self-diagnostic and self-adaptive smart concrete structures显示文摘 | SUN Mingqing LI Zhuoqiu LIU Qingping | 2000 | Cement and Concrete Research2000，30，8： | 1 |
| 17 | Role of microstructure in the thermomechanical behaviour of SMA composites 显示文摘 | Song Guquan Sun Qingping Cherkaoui M | 1999 | Transactions of the ASME1999，121，1： | 1 |
| 18 | A study of piezoelectric properties of carbon fiber reinforced concrete plain cement paste during dynamic loading 显示文摘 | Sun Minqing Liu Qingping Li Zhuoqiu | 2000 | Cement Concrete Re- search2000，30，1： | 1 |
| 19 | A MICROMECHANICS CONSTITUTIVE MODEL FOR PURE DILATANT MARTENSITIC TRANSFORMATION OF ZrO2 CONTAINING CERAMICS显示文摘A new micromechanics constitutive model for pure dilatant transformation plasticity of structureceramics is proposed in this paper.Based on the thermodynamics,micromechanics and microscale t→ m trans-formation mechanism analysis of the TZP and PSZ ZrO2-containing ceramics,an analytic expressions of theHelmholtz and complementary free energy of the constitutive element for the case of pure dilatant transforma-tion is derived for the first time in a self-consistent manner.By the analysis of energy dissipation in the for-ward and reverse transformations,the mieromechanics constitutive law is derived in the framework of Hill-Rice’sinternal variable constitutive theory. | Sun Qingping Yu Shouwen Hwang Kehchih (Dept.of Engng.Mech.,Tsinghua University,Beijing,China) | 1990 | Acta Mechanica Sinica1990，6，2： | 1 |
| 20 | Quantitative Proteomic Analysis of CMS-Related Changes in Honglian CMS Rice Anther显示文摘 | Qingping Sun Chaofeng Hu Jun Hu Shaoqing Li Yingguo Zhu | 2009 | The Protein Journal (-)2009，，7： | 1 |
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