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| 1 | SIMS U-Pb zircon age of a tuff layer in the Meishucun section, Yunnan, southwest China: Constraint on the age of the Precambrian-Cambrian boundary显示文摘Determination of the age of the Precambrian-Cambrian boundary is critical in understanding early evolution of life on Earth. SIMS U-Pb zircon analyses of the Bed 5 tuff layer of the Meishucun section were carried out closely following the guidance of cathodoluminescence images, and the majority of analyses were conducted on the oscillatory zircon grains. Thirteen measurements yield a highly reliable Concordia U-Pb age of 536.7 ± 3.9 Ma for the Bed 5 horizon. A grand mean of 206Pb/238U age of 535.2± 1.7 Ma (MSWD = 0.53) is calculated based on 13 concordant SIMS measurements of this study and 4 nano-SIMS measurements of Sawaki et al., which is the best estimate of the deposition age of the tuff layer within Bed 5 in the Meishucun section. This age has provided a robust age constraint on the significant Precambrian-Cambrian boundary strata in southern China, which independently suggested the placement of the Precambrian-Cambrian boundary at the bottom of the Xiaowaitoushan Member (Marker A). | RiXiang Zhu XianHua Li XianGuang Hou YongXin Pan Fei Wang ChengLong Deng HuaiYu He | 2009 | Science China Earth Sciences2009，52，9： | 24 |
| 2 | Application of Neural network PID Controller in Constant Temper-ature and Constant Liquid-level System显示文摘Guided by the principle of neural network, an intelligent PID controller based on neural network is devised and applied to control of constant temperature and constant liquidlevel system. The experiment results show that this controller has high accuracy and strong robustness and good characters. | (College of information and control engineering, University of Petroleum, Dongying 257061, China) Chen Guochu Hao Ninmei Liu Xianguang(College of electricity engineering, University of Xi ’ an Communication, Xi’ an 710049, China) Zhang Lin (Workshop of Instrument of Plastic Plant, Qilu Petrochemical Corp., Zibo 255411, China) Wang Junhong | 2003 | 微计算机信息2003，19，1： | 11 |
| 3 | Taxonomic Diversity of Agamid Lizards(Reptilia, Sauria, Acrodonta, Agamidae) from China: A Comparative Analysis显示文摘Results of the analysis of taxonomic diversity and representation of different evolutionary lineages of agamid lizards(Reptilia, Sauria, Agamidae) are provided in this article. For comparison with the fauna of China, the following territories were selected: North Eurasia, Iran and different countries of South and Southeast Asia. There are 49 agamid species in China, comprising 12 genera and 4 subfamilies. Annotated check-list and identification keys to genera are provided. Among the 49 species of agamids present in China, the percent of endemic species is relatively high(22 species; 45%). Endemic species refer to 4 genera with the genus Japalura having the most, 10 of 14 species, proceeded by members of Tibetan Plateau lineage of Phrynocephalus, 8 of 12 species, and Calotes with 1 species and Laudakia with 3. | Natalia B. ANANJEVA Xianguang GUO Yuezhao WANG | 2011 | Asian Herpetological Research2011，2，3： | 8 |
| 4 | Concurrent topology optimization for minimization of total mass considering load-carrying capabilities and thermal insulation simultaneously显示文摘The present work introduces a novel concurrent optimization formulation to meet the requirements of lightweight design and various constraints simultaneously.Nodal displacement of macrostructure and effective thermal conductivity of microstructure are regarded as the constraint functions, which means taking into account both the loadcarrying capabilities and the thermal insulation properties.The effective properties of porous material derived from numerical homogenization are used for macrostructural analysis. Meanwhile, displacement vectors of macrostructures from original and adjoint load cases are used for sensitivity analysis of the microstructure. Design variables in the form of reciprocal functions of relative densities are introduced and used for linearization of the constraint function. The objective function of total mass is approximately expressed by the second order Taylor series expansion. Then, the proposed concurrent optimization problem is solved using a sequential quadratic programming algorithm, by splitting into a series of sub-problems in the form of the quadratic program. Finally, several numerical examples are presented to validate the effectiveness of the proposed optimization method. The various effects including initial designs, prescribed limits of nodal displacement, and effective thermal conductivity on optimized designs are also investigated. An amount of optimized macrostructures and their corresponding microstructures are achieved. | Kai Long Xuan Wang Xianguang Gu | 2018 | Acta Mechanica Sinica2018，34，2： | 7 |
| 5 | Facile synthesis of magnetic-plasmonic nanocomposites as T1 MRI contrast enhancing and photothermal therapeutic agents显示文摘 | Zhongzhen Yang Xianguang Ding Jiang Jiang | 2016 | Nano Research2016，9，3： | 6 |
| 6 | Crust and upper mantle structures beneath Northeast China from receiver function studies显示文摘P-wave and S-wave receiver function analyses have been performed along a profile consisted of 27broadband seismic stations to image the crustal and upper mantle discontinuities across Northeast China.The results show that the average Moho depth varies from about37 km beneath the Daxing'anling orogenic belt in the west to about 33 km beneath the Songliao Basin,and to about35 km beneath the Changbai mountain region in the east.Our results reveal that the Moho is generally flat beneath the Daxing'anling region and a remarkable Moho offset(about 4 km) exists beneath the basin-mountain boundary,the Daxing'anling-Taihang Gravity Line.Beneath the Tanlu faults zone,which seperates the Songliao Basin and Changbai region,the Moho is uplift and the crustal thickness changes rapidly.We interpret this feature as that the Tanlu faults might deeply penetrate into the upper mantle,and facilitate the mantle upwelling along the faults during the Cenozoic era.The average depth of the lithosphereasthenosphere boundary(LAB) is *80 km along the profile which is thinner than an average thickness of a continental lithosphere.The LAB shows an arc-like shape in the basin,with the shallowest part approximately beneath the center of the basin.The uplift LAB beneath the basin might be related to the extensive lithospheric stretching in theMesozoic.In the mantle transition zone,a structurally complicated 660 km discontinuity with a maximum 35 km depression beneath the Changbai region is observed.The35 km depression is roughly coincident with the location of the stagnant western pacific slab on top of the 660 km discontinuity revealed by the recent P wave tomography. | Zhen Guo Yuliang Cao Xianguang Wang Y.John Chen Jieyuan Ning Weiguang He Youcai Tang Yongge Feng | 2014 | Earthquake Science2014，27，3： | 6 |
| 7 | Marangoni effect of cracked liquid film of an aqueous electrolyte flowing over a vertical heated plate显示文摘An experimental investigation was performed on Marangoni effect of cracked liquid film of aqueous Na_2SO_4 flowing over a vertical heated plate by using a sensitive infrared imaging technique. The results show that the thermal and solutal Marangoni effects, which result from the non-uniform distributions of surface temperature and concentration of the film, respectively, occur in the streamwise and transverse directions of the film, generating different influences on the film heat transfer. Taking account of the Marangoni number (Ma) and the solution concentration (c_0), a correlation of the Nusselt number (Nu) for the cracked liquid film is proposed. | ZHAO XianGuang ZHANG Feng PENG Jing GENG Jiao ZHANG ZhiBing | 2007 | Chinese Science Bulletin2007，52，21： | 4 |
| 8 | Improved Relief Grinding Method of Gear Hob with Equal Relief Angle显示文摘The regrinding error is the main factor affecting the eligible length of hob tooth,how to decrease the regrinding error is a hot issue in the research area of hob grinding.At present,researches focus on changing the trajectory of relief moving,because of no unified relief grinding path planning method,the research result is restricted in the practical application.For solving the problem,the calculation model of the hob relief angle is established with the Archimedes relieving motion to analyze the interaction between the increasing relief angle of the hob and the accelerating tooth profile errors.Based on it,the improved relief grinding method of gear hob is proposed with equal relief angle(ERA).Furthermore,the relief grinding method with ERA is developed with the following two steps.Firstly,the convergence numerical solution algorithm of the tooth top curve is designed to form the wheel motion path which is compared with that of traditional grinding.The second step is to establish the solution model of ERA grinding wheel.In order to verify the effect of the method,hob grinding simulation system of 3D solid was built under the AutoCAD environment.The regrinding errors is analyzed by intercepting the hob axial profiles of the various regrinding angles with Boolean operations and further converting it to basic rack tooth,then the simulation example of zero rake straight flute hob is used to compare the regrinding errors between ERA grinding and traditional grinding.Finally,the experiments were implemented on the five-axis CNC relief grinder with the relief motion of ERA grinding driven by cam.The results of experiments show that the method can effectively reduce the regrinding errors of hob and grind expediently gear hob of AA rank and over.This research provide an effective model of relief moving path plan reducing regrinding error,and have practicable value in CNC relief grinder. | LI Guolong SUN Menghui LI Xianguang LIU Fei HUANG Chao | 2011 | Chinese Journal of Mechanical Engineering2011，24，5： | 4 |
| 9 | Prediction and Analysis of the Force and Shape Parameters in Variable Gauge Rolling显示文摘Variable gauge rolling is a new process to obtain a plate for which the thickness changes continuously by continuously and dynamically adjusting the roll gap upward and downward in the rolling process.This technology is an efective method for producing lightweight,low-cost,and economical plates.However,variable gauge rolling is an unsteady process,and the changes in the force and deformation parameters are complex.In this research,based on the minimum energy theory of the variational principle and considering the characteristics of the roll movement and workpiece deformation comprehensively,the internal plastic deformation,friction,shear and tension powers,and the minimum result of the total power functional in upward and downward rolling are obtained with the frst integral and then with a variation of adopting the specifc plastic power and strain rate vector inner product.The analytical results of the deformation and force parameters are also established using the variational method.Then the precision of this model is certifed using the measured values in a medium plate hot rolling plant and the experimental data for Tailor Rolled Blank rolling.Good agreement is found.Additionally,the variation rule of bite angle,neutral angle,and location neutral points are shown,and the change mechanism of the friction parameter on the stress state efect coefcient is given in variable gauge rolling.This research proposes a new mathematical model for rolling process control that provides a scientifc basis and technical support for obtaining an accurate section shape in variable gauge rolling production. | Yuanming Liu Zhenhua Wang Tao Wang Jie Sun Xianguang Zheng Dianhua Zhang Qingxue Huang | 2022 | Chinese Journal of Mechanical Engineering2022，35，4： | 4 |
| 10 | 古代儒家伦理道德中的和谐性思想浅析显示文摘在古代, 儒家伦理道德能够深入人心, 很大程度上得益于其思想具有和谐性品质。儒家和谐性思想体现在基本伦理要求上, 体现在个体与社会利益关系上, 体现在道德修养方式尤其是身心修养上, 体现在注重个人内心体验上。由于时代的局限性, 儒家和谐性思想也有不足。儒家是中国文化的传统, 当代中国的道德建设应该借鉴其和谐性思想, 并且克服那些不适应时代发展的方面。 | 曹显光 CAO Xianguang | 2004 | 楚雄师范学院学报2004，19，6： | 3 |
| 11 | Geographical Distribution and Morphological Variability of the Rapid Racerunner,Eremias velox (Pallas,1771)(Reptilia,Lacertidae) in the Eastern Periphery of Its Range显示文摘Phenotypic traits are usually correlated with the environment where organism occurs. In this study, the distribution of Eremias velox in the eastern periphery of its range was specified, and its morphological variation was analyzed. Linear dimensions, pholidosis, coloration and pattern features were compared among 135 specimens from nine populations inhabiting the Balkhash, Ili and Alakol basins, Junggar and Turpan depressions in the territory of Southeast Kazakhstan and Xinjiang, Northwest China. The populations from the Junggar Depression(Kuytun, Shihezi and Urumqi) were characterized by higher mean values of linear characters, the number of scales across the middle of the body and gular, and were similar in the dominant coloration patterns. Small size, dark coloration and almost complete dominance of the striped-type coloration pattern among the specimens from the Alakol Lake islands seem to have an adaptive significance associated with the isolation of the population and type of their habitats. The subspecies Eremias velox roborowskii(endemic to the Turpan Depression) is elevated to species level, as supported by morphological divergence congruent with molecular and geographical data, including its peculiar type of coloration pattern, significantly lower amount of femoral pores and a higher percentage of specimens with one enlarged preanal scale(72.7%). These results together confirm a high degree of variability in morphology for E.veloх in the eastern periphery of its range, reflecting a complex orography and the existence of multiple geographical barriers in this territory. | Marina A.CHIRIKOVA Tatjana N.DUJSEBAYEVA Jinlong LIU Xianguang GUO | 2019 | Asian Herpetological Research2019，10，4： | 3 |
| 12 | Phylogeography of the Phrynocephalus vlangalii Species Complex in the Upper Reaches of the Yellow River Inferred from mtDNA ND4-tRNA^(LEU) Segments显示文摘The Ching Hai Toad-headed Agama(Phrynocephalus vlangalii) complex is a small toad-headed viviparous lizard that is endemic to the Qinghai-Tibetan Plateau. A fragment of mtDNA ND4-tRNALEU from 189 samples in 26 populations was used to infer the phylogeographic history of this species complex in the upper reaches of the Yellow River. Phylogenetic analyses revealed that P. vlangalii and another proposed species(P. putjatia) do not form a monophyletic mtDNA clade,which in contrast with a previous study,includes P. theobaldi and P. forsythii. Lineage diversification occurred in the Middle Pleistocene for P. vlangali(ca. 0.95 Ma) and in the Early Pleistocene for P. putjatia(ca. 1.78 Ma). The uplift of the A'nyemaqen Mountains and glaciations since the mid-late Pleistocene,especially during the Kunlun Glaciation,are considered to have promoted the allopartric divergence of P. vlangalii. The diversification of P. putjatia may be triggered by the tectonic movement in the Huangshui River valley during the C phase of Qingzang Movement. Subsequently,the glacial climate throughout the Pleistocene may have continued to impede the gene flow of P. putjatia,eventually resulting in the genetic divergence of P. putjatia in the allopatric regions. Demographic estimates revealed weak population expansion in one lineage of P. vlangalii(A2,the Qaidam Basin lineage) and one lineage of P. putjatia(B2,the north Qinghai Lake lineage) after approximately 42 000 years before present. However,constant population size through time was inferred for two lineages(A1 and B1),the source of Yellow River lineage of P. vlangalii and the southeast of Qinghai Lake lineage of P. putjatia,possibly due to stable populations persisting in areas unaffected by glacial advances. Our results also suggest: 1) at least four differentiated lineages of P. vlangalii complex may have evolved allopatrically in different regions during the Pleistocene glaciation events; 2) in support of several recent studies,P. putjatia is a valid species,having a more wide distribution than previously considered; and 3) a hypothesis referring to P. v. hongyuanensis,inhabiting in the source region of the Yellow River,being synonymous with P. v. pylozwi is supported. | Xianguang GUO Li LIU Yuezhao WANG | 2012 | Asian Herpetological Research2012，3，1： | 2 |
| 13 | MAT1 correlates with molecular subtypes and predicts poor survival in breast cancer显示文摘Objective:Menage a trois 1(MAT1)is a targeting subunit of cyclin-dependent kinase-activating kinase and general transcription factor IIH kinase,which modulates cell cycle,transcription and DNA repair.Its dysregulation is responsible for diseases including cancers.To further explore the role of MAT1 in breast cancer,we investigated the pathways in which MAT1 might be involved,the association between MAT1 and molecular subtypes,and the role of MAT1 in clinical outcomes of breast cancer patients.Methods:We conducted immunohistochemistry staining on tissue microarray and immunofluorescence staining on sections of MAT1 stable breast cancer cells.Also,we performed Kyoto Encyclopedia of Genes and Genomes pathway analysis,correlation analysis and prognosis analysis on public databases.Results:MAT1 was involved in multiple pathways including normal physiology signaling and disease-related signaling.Furthermore,MAT1 positively correlated with the protein status of estrogen receptor and progesterone receptor,and was enriched in luminal-type and human epidermal growth factor receptor 2-enriched breast cancer in comparison with basal-like subtype at both m RNA and protein levels.Correlation analysis revealed significant association between MAT1 m RNA amount and epithelial markers,mesenchymal markers,cancer stem cell markers,apoptosis markers,transcription markers and oncogenes.Consistently,the results of immunofluorescence stain indicated that MAT1 overexpression enhanced the protein abundance of epidermal growth factor receptor,vimentin,sex determining region Y-box 2 and sine oculis homeobox homolog 1.Importantly,Kaplan-Meier Plotter analysis reflected that MAT1 could serve as a prognostic biomarker predicting worse relapse-free survival and metastasis-free survival.Conclusions:MAT1 is correlated with molecular subtypes and is associated with unfavorable prognosis for breast cancer patients. | Hanxiao Xu Xianguang Bai Shengnan Yu Qian Liu Richard G Pestell Kongming Wu | 2018 | Chinese Journal of Cancer Research2018，30，3： | 2 |
| 14 | Synthesis and surface properties of several nonionic-anionic surfactants with straight chain alkyl-benzyl hydrophobic group 显示文摘 | Wang Xianguang Yan Feng Li Zhenquan | 2007 | Colloid and Surface2007，302，： | 1 |
| 15 | Synthesis and surface properties of several nonionic - anionic surfactants with straight chain alkyl -benzyl hydrophobic group 显示文摘 | WANG XIANGUANG YAN FENG LI ZHENQUAN | 2007 | Colloids and Surfaces A: Physicochem Eng Aspects2007，302，： | 1 |
| 16 | Anomaloearis and other large animals in the Lower Cambrian Chengjiang fauna of southwest China 显示文摘 | Hou Xianguang Bergstr 6m J and Ahlberg P | 1995 | Geologiska Foreningens I Stockholm Forhandliger1995，117，： | 1 |
| 17 | Arthropods from the Lower Cambrian Chengjiang fauna,southwest China 显示文摘 | Hou Xianguang Bergstr bm J | 1997 | Fossil and Strata1997，45，： | 1 |
| 18 | Validity of Pelodiscus parviformis (Testudines:Trionychidae) Inferred from Molecular and Morphological Analyses显示文摘The validity of Pelodiscus parviformis within the genus is still not very clear. In this study, molecular and morphological data were combined to evaluate the validity of P. parviformis. The phylogeny of some species in Pelodiscus was reconstructed by maximum parsimony, maximum likelihood and Bayesian inference analyses based on five mitochondria DNA fragments(5308 bp of 12S rRNA, 16S rRNA, ND4, CO1 and Cyt b). The results of ML, MP and Bayesian analyses suggest that P. parviformis might be paraphyletic to P. sinensis, whereas the partitioned Bayesian analyses support the reciprocal monophyly of P. parviformis and P. sinensis. Considering the advantages of heterogenous characteristics of sequence evolution, we choose the result of partitioned Bayesian analyses. Furthermore, the morphological data lend support the distinct species status of P. parviformis and P. sinensis, such as tubercles on carapace skin, color of plastron skin, dark spots on plastron, basisphenoid characteristics(ratio of the smallest width to the largest width; the smallest width of basisphenoid is restrained by two holes on each side) and the shape of entoplastron. Combining the molecular and morphological data, we inferred that P. parviformis is a valid species. In addition, the results of this study suggest a new record of P. axenaria in Guangxi, China. | Ping YANG Yezhong TANG Li DING Xianguang GUO Yuezhao WANG | 2011 | Asian Herpetological Research2011，2，1： | 1 |
| 19 | Experimental Wave Power Plant at the Pearl River Estuary显示文摘The first Chinese experimental wave power plant, i. e., the shoremountcd experimental wave power plant at the Pearl River Estuary was successful in trial power generation on February 15, 1990. The plant is on the south shore of the Dawanshan Island in the Pearl River Estuary, facing the vast waving South China Sea. With a designed wave condition of H1/10= 1.5 m and T= 6.5 s, the planned installed capacity is 8 kW comprising the first unit of 3 kW brushless clawpole generator which delivers 110 V DC current and the second unit of 5 kW brushless single phase synchro AC generator which delivers 220 V AC current. At present, the first unit has been put into trial operation. | Liang Xianguang, Gao Xiangfan, Zheng Wenjie Yu Zhi, Jiang Niandong, Hou Xiangqin and You Yage 1. Associate Professor, Guangzhou Institute of Energy Conversion, the Chinese Academy of Sciences, Guangzhou2. Senior Engineer, Guangzhou Institute of Energy Conversion, the Chinese Academy of Sciences, Guangzhou3. Assistant Researcher, Guangzhou Institute of Energy Conversion, the Chinese Academy of Sciences, Guangzhou4. Engineer, Guangzhou Institute of Energy Conversion, the Chinese Academy of Sciences, Guangzhou | 1991 | China Ocean Engineering1991，6，4： | 1 |
| 20 | Synthesis and surface properties of several nonionic–anionic surfactants with straight chain alkyl-benzyl hydrophobic group显示文摘 | Xianguang Wang Feng Yan Zhenquan Li Lu Zhang Sui Zhao Jingyi An Jiayong Yu | 2007 | Colloids and Surfaces A: Physicochemical and Engineering Aspects2007，，1： | 1 |
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