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| 1 | How many sutures in the southern Central Asian Orogenic Belt:Insights from East Xinjiang-West Gansu(NW China)?显示文摘How ophiolitic mèlanges can be defined as sutures is controversial with regard to accretionary orogenesis and continental growth.The Chinese Altay,East junggar,Tianshan,and Beishan belts of the southern Central Asian Orogenic Belt(CAOB) in Northwest China,offer a special natural laboratory to resolve this puzzle.In the Chinese Altay,the Erqis unit consists of ophiolitic melanges and coherent assemblages,forming a Paleozoic accretionary complex.At least two ophiolitic melanges(Armantai,and Kelameili) in East Junggar,characterized by imbricated ophiolitic melanges,Nb-enriched basalts,adakitic rocks and volcanic rocks,belong to a Devonian-Carboniferous intra-oceanic island arc with some Paleozoic ophiolites,superimposed by Permian arc volcanism.In the Tianshan,ophiolitic melanges like Kanggurtag,North Tianshan,and South Tianshan occur as part of some Paleozoic accretionary complexes related to amalgamation of arc terranes.In the Beishan there are also several ophiolitic melanges,including the Hongshishan,Xingxingxia-Shibangjing,Hongliuhe-Xichangjing,and Liuyuan ophiolitic units.Most ophiolitic melanges in the study area are characterized by ultramafic,mafic and other components,which are juxtaposed,or even emplaced as lenses and knockers in a matrix of some coherent units.The tectonic settings of various components are different,and some adjacent units in the same melange show contrasting different tectonic settings.The formation ages of these various components are in a wide spectrum,varying from Neoproterozoic to Permian.Therefore we cannot assume that these ophiolitic melanges always form in linear sutures as a result of the closure of specific oceans.Often the ophiolitic components formed either as the substrate of intra-oceanic arcs,or were accreted as lenses or knockers in subduction-accretion complexes.Using published age and paleogeographic constraints,we propose the presence of (1) a major early Paleozoic tectonic boundary that separates the Chinese Altay-East Junggar multiple subduction systems of the southern Siberian active margin from those of the northern Tarim;and (2) a major Permian suture zone that separates the Tianshan-Beishan from the northern active margin of the Tarim Craton.These new observations and interpretations have broad implications for the architecture and crustal growth of central Asia and other ancient orogens as well. | Wenjiao Xiao Chunming Han Wei Liu Bo Wan Ji'en Zhang Songjian Ao Zhiyong Zhang Dongfang Song Zhonghua Tian Jun Luo | 2014 | Geoscience Frontiers2014,5,4: | 31 |
| 2 | 脾虚三证模型大鼠脂质过氧化损伤的比较显示文摘目的 :探讨实验性脾虚大鼠脂质过氧化损伤的差异性。方法 :采用饮食加劳倦等复合因素分别复制脾虚不同证型动物模型。观察各模型组和治疗组的脂质过氧化物 (L PO)的含量和谷胱甘肽过氧化物酶 (GSH- Px)、超氧化物岐化酶 (SOD)、心肌黄酶 (DTD)的活性变化。结果 :各脾虚模型大鼠 L PO呈不同程度升高 ,各种抗氧化酶活性不同程度下降 ,且组间差异显著。各治疗组药物具有降低 L PO、升高抗氧化酶活性的作用。结论 :脂质过氧化损伤是脾虚三证的共同病理生理基础。 | 吕爱平 李德新 LIU Chunming 刘春明 林庶茹 夏淑杰 | 2001 | 中国中西医结合脾胃杂志2001,9,2: | 18 |
| 3 | Roles of Kruppel-like factor 4 in normal homeostasis, cancer and stem cells显示文摘 | Paul M Evans Chunming Liu | 2008 | Acta Biochimica et Biophysica Sinica2008,40,7: | 17 |
| 4 | A model and experimental study of phosphate uptake kinetics in algae:Considering surface adsorption and P-stress显示文摘Phosphorus is an important limiting nutrient in many ecosystems.Consequently,there is increasing interest on phosphate uptake and algal growth due to the increasing frequency and magnitude of algal blooms induced by eutrophication.The co-existence of surface adsorbed and intracellular phosphorus pools indicate that phosphate uptake by phytoplankton is,to some extent,a two-stage kinetic process.However,almost all previous uptake models considered the internal uptake stage only and ignored the possible impact of surface adsorption.In this article,a two-stage kinetic uptake model considering both surface adsorption and P-stress on phosphate uptake by algae was constructed and compared to conventional one-stage models,based on experimental data on short-term uptake kinetics of a green algae S.quadricauda.Results indicated that with suitable parameters,the two-stage uptake model not only fit the experimental data better,but also gave more reasonable and realistic explanations to the phosphate uptake process.The results are meaningful as surface-adsorption of phosphate may affect the uptake process of phosphate and assist in understanding realistic phosphate uptake kinetics in phytoplankton. | Bo Yao Beidou Xi Chunming Hu Shouliang Huo Jing Su Hongliang Liu | 2011 | Journal of Environmental Sciences2011,23,2: | 15 |
| 5 | Exposure to polycyclic aromatic hydrocarbons and risk for premature ovarian failure and reproductive hormones imbalance显示文摘Polycyclic aromatic hydrocarbons(PAHs)are a typical class of persistent organic pollutants that is ubiquitous worldwide.Previous animal studies suggested that PAHs had adverse effects on female reproduction.However,the human data regarding relationship of PAHs exposure with women reproductive health,such as ovarian dysfunction,are scarce.In this case-control study,the associations of serum levels of PAHs with the risk of premature ovarian failure(POF)and reproductive hormones in Chinese women were investigated,with recruiting 157 POF patients and 217 healthy women.The serum levels of 12 types of PAHs,as well as reproductive hormones,including follicle-stimulating hormone,luteinizing hormone and anti-mullerian hormone,were determined.In the logistic regression models,most individual PAH congeners showed significantly positive correlations with the risk of POF(p<0.05),except for fluorine and pyrene.Benzo(a)pyrene(BaP),as the most carcinogenic PAH congener,was observed to be significantly positively associated with the risk of POF.After adjustment for age,body mass index,educational levels and household income,per one-unit increase in the log-transformed BaP concentration was significantly correlated with 2.191-fold increased risk of POF(OR=2.191,95%CI:1.634-2.938,p<0.05).To the best of our knowledge,this is the first study to report an association between internal exposure levels of PAHs and the increased risk of POF in women. | Xiaoqing Ye Wuye Pan Chunming Li Xiaochen Ma Shanshan Yin Jianhong Zhou Jing Liu | 2020 | Journal of Environmental Sciences2020,32,5: | 10 |
| 6 | The catalytic behavior of La-Mn-O nanoparticle perovskite-type oxide catalysts for the combustion of the soot particle from the diesel engine显示文摘The La1?xMx MnO3(M=Li, Na, K, Rb, x=0, 0.10, 0.25) perovskite-type oxides whose sizes are nanoparticle have been prepared by the citric acid-ligated method. The characters of the catalysts were characterized by means of XRD, IR, SEM and BET surface area measurement. The catalytic activity for the combustion of soot particulate was evaluated by a technique of the temperature-programmed reaction. In the LaMnO3 catalyst, the partial substitution of alkali metal (Li, Na, K, Rb) into A-site enhanced the catalytic activity for the combustion of soot particle. The La0.75K0.25MnO3 oxides are good candidate catalysts for the soot particle removal reaction, and the combustion tem- peratures of soot particle are between 285℃ and 430℃ when the contact of catalysts and soot is loose, and their catalytic activities for the combustion of soot particle are as good as supported Pt catalysts, which is the best catalyst system so far reported for soot combustion under loose con- tact conditions. | WANG Hong ZHAO Zhen XU Chunming LIU Jian LU Zhixiao | 2005 | Chinese Science Bulletin2005,50,14: | 10 |
| 7 | Rapid genomic changes in polyploid wheat and related species:implications for genome evolution and genetic improvement显示文摘A polyploid organism by possessing more than two sets of chromosomes from one species (autopolyploidy) or two or more species (allopolyploidy) is known to have evolutionary advantages. However, by what means a polyploid accommodates increased genetic dosage or divergent genomes (allopolyploidy) in one cell nucleus and cytoplasm constitutes an enormous challenge. Recent years have witnessed efforts and progress in exploring the possible mechanisms by which these seemingly intangible hurdles of polyploidy may be ameliorated or eventually overcome. In particular, the documentation of rapid and extensive non-Mendelian genetic and epigenetic changes that often accompany nascent polyploidy is revealing: the resulting non-additive and novel gene expression at global, regional and local levels, and timely restoration of meiotic chromosomal behavior towards bivalent pairing and disomic inheritance may ensure rapid establishment and stabilization as well as its long-term evolutionary success. Further elucidation on these novel mechanisms underpinning polyploidy will promote our understanding on fundamental issues in evolutionary biology and in our manipulation capacities in future genetic improvement of important crops that are currently polyploids in genomic constitution. This review is intended to provide an updated discussion on these interesting and important issues within the scope of a specific yet one of the most important plant groups-polyploid wheat and its related species. | Bao Liu Chunming Xu Na Zhao Bao Qi Josphert N. Kimatu Jinsong Pang Fangpu Han | 2009 | Journal of Genetics and Genomics2009,36,9: | 10 |
| 8 | 7YSZ coating prepared by PS-PVD based on heterogeneous nucleation显示文摘Plasma spray-physical vapor deposition(PS-PVD) as a novel coating process based on low-pressure plasma spray(LPPS) has been significantly used for thermal barrier coatings(TBCs).A coating can be deposited from liquid splats, nano-sized clusters, and the vapor phase forming different structured coatings, which shows obvious advantages in contrast to conventional technologies like atmospheric plasma spray(APS) and electron beam-physical vapor deposition(EBPVD). In addition, it can be used to produce thin, dense, and porous ceramic coatings for special applications because of its special characteristics, such as high power, very low pressure, etc. These provide new opportunities to obtain different advanced microstructures, thus to meet the growing requirements of modern functional coatings. In this work, focusing on exploiting the potential of gas-phase deposition from PS-PVD, a series of 7 YSZ coating experiments with various process conditions was performed in order to better understand the deposition process in PS-PVD, where coatings were deposited on different substrates including graphite and zirconia. Meanwhile, various substrate temperatures were investigated for the same substrate. As a result, a deposition mechanism of heterogeneous nucleation has been presented showing that surface energy is an important influencing factor for coating structures. Besides, undercooling of the interface between substrate and vapor phase plays an important role in coating structures. | Ziqian DENG Xiaofeng ZHANG Kesong ZHOU Min LIU Chunming DENG Jie MAO Zhikun CHEN | 2018 | Chinese Journal of Aeronautics2018,31,4: | 10 |
| 9 | Effects of Mo on the Precipitation Behaviors in High-Nitrogen Austenitic Stainless Steels显示文摘Precipitation behaviors of Fe-18Cr-18Mn-0.63N and Fe-18Cr-18Mn-2Mo-0.69N high-nitrogen austenitic stainless steels during isothermally aging at 850℃ have been investigated by optical microscopy (OM), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD). The experimental results show that precipitation displays a discontinuous cellular way and the precipitates are identified as Cr2N in Fe-18Cr-18Mn-0.63N steel. The addition of Mo makes precipitation occur not only at the grain boundary but also inside the grain and precipitation also displays discontinuous cellular way. The precipitates at the grain boundary and in the cell are both identified as Cr2N phase and χ phase and the precipitates inside the grain are identified as χ phase in Fe-18Cr-18Mn-2Mo-0.69N steel. The nucleations of χ phase and Cr2N phase at the grain boundary are both governed by the diffusion of Cr atoms. The formation and growth of χ phase inside the grain are induced by the impoverishment of N atoms with increasing aging time. | Feng Shi Yang Qi Chunming Liu | 2011 | Journal of Materials Science & Technology2011,27,12: | 7 |
| 10 | The R2R3-type MYB transcription factor MdMYB90-like is responsible for the enhanced skin color of an apple bud sport mutant显示文摘The anthocyanin content in apple skin determines its red coloration,as seen in a Fuji apple mutant.Comparative RNA-seq analysis was performed to determine differentially expressed genes at different fruit development stages between the wild-type and the skin color mutant.A novel R2R3-MYB transcription factor,MdMYB90-like,was uncovered as the key regulatory gene for enhanced coloration in the mutant.The expression of MdMYB90-like was 21.3 times higher in the mutant.MdMYB90-like regulates anthocyanin biosynthesis directly through the activation of anthocyanin biosynthesis genes and indirectly through the activation of other transcription factors that activate anthocyanin biosynthesis.MdMYB90-like bound to the promoters of both structural genes(MdCHS and MdUFGT)and other transcription factor genes(MdMYB1 and MdbHLH3)in the yeast one-hybrid system,electrophoretic mobility shift assay,and dual-luciferase assay.Transgenic analysis showed that MdMYB90-like was localized in the nucleus,and its overexpression induced the expression of other anthocyanin-related genes,including MdCHS,MdCHI,MdANS,MdUFGT,MdbHLH3,and MdMYB1.The mutant had reduced levels of DNA methylation in two regions(−1183 to−988 and−2018 to−1778)of the MdMYB90-like gene promoter,which might explain the enhanced expression of the gene and the increased anthocyanin content in the mutant apple skin. | Chao Sun Chunming Wang Wang Zhang Shuai Liu Weiyao Wang Xinyi Yu Tao Song Maxwell Yu Weichang Yu Shenchun Qu | 2021 | Horticulture Research2021,8,1: | 6 |
| 11 | Mechanism of vertical crack formation in Yb_(2)SiO_(5) coatings deposited via plasma spray-physical vapor deposition显示文摘Plasma spray-physical vapor deposition(i.e.,PS-PVD)is a promising method for obtaining advanced environmental barrier coatings(EBCs).The EBCs must meet some requirements in the application,in which the thermal cycle performance affects the service lifetime.The preparation of artificial vertical cracks in Yb_(2)SiO_(5) coatings is an effective approach for meeting the requirements above because vertical cracks provide a strain tolerance.To clarify the formation mechanism of vertical cracks during the PSPVD,the effects of coating thickness and substrate temperature on the formation of vertical cracks were investigated.In addition,the interactions of spray powder and plasma flame during coating deposition were also characterized by optical spectroscopy.It is indicated that vertical cracks are formed due to a thermal expansion mismatch between Yb_(2)SiO_(5) and mullite coating,transient cooling after deposition and the nucleation of evaporated Yb_(2)SiO_(5) as well. | Xiaofeng Zhang Chao Wang Ruijun Ye Chunming Deng Xinghua Liang Ziqian Deng Shaopeng Niu Jinbing Song Guo Liu Min Liu Kesong Zhou Jian Lu Junli Feng | 2020 | Journal of Materiomics2020,6,1: | 6 |
| 12 | Delegateable signatures based on non-interactive witness indistinguishable and non-interactive witness hiding proofs显示文摘A delegateable signature scheme(DSS)which was first introduced by Barak is mainly based on the non-interactive zero-knowledge proof(NIZK)for preventing the signing verifier from telling which witness(i.e.,restricted subset)is being used. However,the scheme is not significantly efficient due to the difficulty of constructing NIZK.We first show that a non-interactive witness indistinguishable(NIWI)proof sys- tem and a non-interactive witness hiding(NIWH)proof system are easier and more efficient proof models than NIZK in some cases.Furthermore,the witnesses em- ployed in these two protocols(NIWI and NIWT)cannot also be distinguished by the verifiers.Combined with theΣ-protocol,we then construct NIWI and NIWH proofs for any NP statement under the existence of one-way functions and show that each proof is different from those under the existence of trapdoor permutations.Finally,based on our NIWI and NIWH proofs,we construct delegateable signature schemes under the existence of one-way functions,which are more efficient than Barak's scheme under the existence of trapdoor permutations. | TANG ChunMing PEI DingYi WANG XiaoFeng LIU ZhuoJun | 2008 | Science in China(Series F)2008,51,2: | 5 |
| 13 | Reaction Mechanism and Thermal Insulation Property of Al-deposited 7YSZ Thermal Barrier Coating显示文摘To increase the performance and efficiency of thermal barrier coating(TBC), it is important to improve the thermal insulation property. In this work, a columnar Al film was deposited at the top of 7 wt% yttriastabilized zirconia(7YSZ) TBC by magnetron sputtering. A vacuum heat treatment was then carried out to improve the insulation property of Al-deposited TBC. Reaction mechanism of Al-Zr O2 system in Aldeposited TBC was studied by differential thermal analysis(DTA). The phase structures of the assprayed TBC, the Al-deposited and vacuum-treated TBC were characterized. The microstructure evolution of Al-deposited TBC was illustrated after vacuum heat treatment. And the insulation property of the assprayed TBC and treated TBC was compared. The results show that a multi-scaled layer, consisting of micron/nano structured α-Al2O3 and Al3 Zr grain was in situ synthesized at the top of 7YSZ coating via vacuum heat treatment. The TBC with the multi-scaled overlay has better insulation property than the assprayed TBC. | Xiaofeng Zhang Kesong Zhou Wei Xu Jinbing Song Chunming Deng Min Liu | 2015 | Journal of Materials Science & Technology2015,31,10: | 5 |
| 14 | Trade Barriers and Participation in the Global Value Chain:An Empirical Study Based on Anti-dumping toward China显示文摘This paper investigates the effects of trade barriers on China s participation in the global value chain(GVC)using a thorough decomposition approach for trade volume,total exports,final exports and intermediate exports.Our econometric results indicate that anti-dumping(AD)measures initiated by trade partners have restrained the process of China s participation in the GVC.From 2000 to 2014,AD measures reduced the foreign value-added rate of total,final and intermediate exports by 4.5 to 28.7 percent,3.4 to 17 percent and 1.2 to 8.5 percent,respectively.In addition,suffering the effects of AD measures,China s GVC position index declined by 8.2 percent to 28.6 percent during this period.Moreover,AD measures have increased industries'upstream index by 3.2 to 13.7 percent over the same period.These results imply that both the petition and approval of AD cases has had a negative influence on the extent and position of China s GVC participation. | Xiaosong Wang Zhexi Liu Yue Lv Chunming Zhao | 2019 | China & World Economy2019,27,2: | 5 |
| 15 | Green hydrogen:A promising way to the carbon-free society显示文摘With increasing importance attached by the international community to global climate change and the pressing energy revolution,hydrogen energy,as a clean,efficient energy carrier,can serve as an important support for the establishment of a sustainable society.The United States and countries in Europe have already formulated relevant policies and plans for the use and development of hydrogen energy.While in China,aided by the“30·60”goal,the development of the hydrogen energy,production,transmission,and storage industries is steadily advancing.This article comprehensively considers the new energy revolution and the relevant plans of various countries,focuses on the principles,development status and research hot spots,and summarizes the different green hydrogen production technologies and paths.In addition,based on its assessment of current difficulties and bottlenecks in the production of green hydrogen and the overall global hydrogen energy development status,this article discusses the development of green hydrogen technologies. | Ying Zhou Ruiying Li Zexuan Lv Jian Liu Hongjun Zhou Chunming Xu | 2022 | Chinese Journal of Chemical Engineering2022,35,3: | 5 |
| 16 | Effect of V and V-N Microalloying on Deformation-Induced Ferrite Transformation in Low Carbon Steels显示文摘导致变丑的铁酸盐转变(DIFT ) 被证明了是一条有效途径精制铁酸盐谷物。这篇论文证明铁酸盐谷物能进一步通过 DIFT 和 V 或 V-N microalloying 的联合被精制。在 7 矩阵溶解的钒制止 DIFT。在变丑期间,钒 carbonitrides 很快由于 strain-inducedprecipitation 猛抛,在钒的原因减少它在矩阵并且间接地溶解了 acceleratesDIFT。在重变丑下面,变丑导致了在 V microalloyed 钢的谷物是的铁酸盐(DIF ) 比那些好在 V 免费的钢。越多 V 增加了钢, DIF 谷物获得了越多 finer。而且,到 V microalloyed 钢的 N 的增加能显著地加速 V 的降水,然后支持 DIFT。然而,在 V-N microalloyed 钢的 DIF 谷物容易变粗。 | Kai WANG Lijun WANG Wenfang CUI Chunming LIU | 2006 | Journal of Materials Science & Technology2006,22,2: | 5 |
| 17 | Analysis and calculation model of energy consumption and product yields of delayed coking units显示文摘Delayed coking is an important process used to convert heave oils to light products. Energy consumption and fight oil yield are important factors for evaluating the delayed coking process. This paper analyzes the energy consumption and product yields of delayed coking units in China. The average energy consumption shows a decreasing trend in recent years. The energy consumption of different refineries varies greatly, with the average value of the highest energy consumption approximately twice that of the lowest energy consumption. The factors affecting both energy consumption and product yields were analyzed, and correlation models of energy consumption and product yields were established using a quadratic polynomial. The model coefficients were calculated through least square regression of collected industrial data of delayed coking units. Both models showed good calculation accuracy. The average absolute error of the energy consumption model was approximately 85 MJ/t, and that of the product yield model ranged from 1 wt% to 2.3 wt%. The model prediction showed that a large annual processing capacity and high load rate will result in a reduction in energy consumption. | Ren Jingdong Meng Xianghai Xu Chunming Song Zhaozheng JiangQingzhe Liu Zhefu | 2012 | Petroleum Science2012,9,1: | 4 |
| 18 | Global perspectives and future research directions for the phytoremediation of heavy metal-contaminated soil:A knowledge mapping analysis from 2001 to 2020显示文摘In total,9,552 documents were extracted from the Web of Science Core Collection and subjected to knowledge mapping and visualization analysis for the field of phytoremediation of HM-contaminated soil(PHMCS)with CiteSpace 5.7 R3 software.The results showed that(1)the number of publications increased linearly over the studied period.The top 10 countries/regions,institutions and authors contributing to this field were exhibited.(2)Keyword co-occurrence cluster analysis revealed a total of 8 clusters,including“Bioremediation,”“Arsenic,”“Biochar,”“Oxidative stress,”“Hyperaccumulation,”“EDTA,”“Arbuscular mycorrhizal fungi,”and“Environmental pollution”clusters(3)In total,334 keyword bursts were obtained,and the 25 strongest,longest duration,and newest keyboard bursts were analyzed in depth.The strongest keyword burst test showed that the hottest keywords could be divided into 7 groups,i.e.,“Plant bioremediation materials,”“HM types,”“Chelating amendments,”“Other improved strategies,”“Bioremediation characteristics,”“Risk assessment,”and“Other.”Almost half of the newest topics had emerged in the past 3 years,including“biochar,”“drought,”“health risk assessment,”“electrokinetic remediation,”“nanoparticle,”and“intercropping.”(4)In total,9 knowledge base clusters were obtained in this study.The studies of Ali et al.(2013),Blaylock et al.(1997),Huang et al.(1997),van der Ent et al.(2013),Salt et al.(1995),and Salt(1998),which had both high frequencies and the strongest burst scores,have had the most profound effects on PHMCS research.Finally,future research directions were proposed. | Kehui Liu Xiaojin Guan Chunming Li Keyi Zhao Xiaohua Yang Rongxin Fu Yi Li Fangming Yu | 2022 | Frontiers of Environmental Science & Engineering2022,16,6: | 4 |
| 19 | DNA Methylation Affects Gene Alternative Splicing in Plants: An Example from Rice显示文摘 | Wang, Xutong Hu, Lanjuan Wang, Xiaofei Li, Ning Xu, Chunming Gong, Lei Liu, Bao | 2016 | Molecular Plant2016,9,2: | 3 |
| 20 | 高场动物功能磁共振成像的实验设计、准备、扫描和后处理的浅见显示文摘 | 鲜军舫 王振常 Qian Yin Xiping Liu Chunming Xie Gaohong Wu Shijiang Li | 2008 | 中国医学影像技术2008,24,9: | 3 |