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| 1 | Extension theory and its application显示文摘The article Extension Set and Non-compatible Problems was published in 1983. It proclaimed the birth of extension theory. Its objects of study are contradictory problems in the realistic world; its theoretical pillars are matter element theory and extension set theory. Its basic methods are extension methods. Its practical methods are extension engineering methods, | CAI WenResearch Institute of Matter-Element Analysis , Guangdong University of Technology , Guangzhou 510090, China | 1999 | Chinese Science Bulletin1999，44，17： | 130 |
| 2 | Aggregation-induced emission: a coming-of-age ceremony at the age of eighteen显示文摘Aggregation-induced emission(AIE) has drawn great attention worldwide for its unique optical phenomenon and huge potential applications. Since coined by Ben Zhong Tang et al. in 2001, AIE has been deeply investigated and widely utilized in many important areas, such as organic light-emitting diode(OLED), sensor, and bio-imaging. Herein, we highlight some important progress of AIE in these eighteen years, including the exploration of internal mechanism and potential applications. Furthermore,some other interestingly emissive behaviors, originating but distinguishing from the AIE concept, are presented. It is anticipated an overall understanding about AIE could be easily caught from this short review for scientists, no matter whether they are involved in this exciting and rising research area or not. | Jie Yang Zhenguo Chi Weihong Zhu Ben Zhong Tang Zhen Li | 2019 | Science China Chemistry2019，62，9： | 25 |
| 3 | Multistage Extension and Age Dating of the Xiaoqinling Metamorphic Core Complex,Central China显示文摘There are two extensional systems in the Xiaoqinling metamorphic core complex (XMCC). One is the detachment fault system developed along the peripheries of the XMCC, which extended in an ESE-WNW direction and whose upper plate moved towards the WNW. The other extensional system includes the retrograde shear zones and normal faults developed within the XMCC, which represent the collapse of the XMCC. Ar-Ar and K-Ar dating shows that the extension of the detachment fault system continued from 135 to 123 Ma, i.e. in the late stage of its evolution at about 127 Ma. The collapse represented by the extensional system within the XMCC was operative during 120-106 Ma, and its main activity occurred about 116 Ma ago. These suggest that the XMCC experienced two extensional stages in its evolution, i.e., the syn-orogenic regional extension and post-orogenic collapse extension. | ZHANG Jinjiang ZHENG Yadong | 1999 | Acta Geologica Sinica(English Edition)1999，73，2： | 22 |
| 4 | Contemporary crustal tectonic movement in the southern Sichuan-Yunnan block based on dense GPS observation data显示文摘We analyzed 360 permanent and campaign GPS data from 1999 to 2017 in the southern Sichuan-Yunan block, and obtained crustal horizontal deformation in this region.Then, we derived the strain rate using a multi-scale spherical wavelet method.Results reveal a complex pattern of tectonic movement in the southern Sichuan-Yunnan block.Compared to the stable Eurasian plate, the maximum rate of the horizontal deformation in the southern Sichuan-Yunnan block is approximately 22 mm/a.The Xiaojiang fault shows a significantly lower deformation—a left-lateral strike-slip movement of 9.5 mm/a.The Honghe fault clearly shows a complex segmental deformation from the north to south.The northern Honghe fault shows 4.3 mm/a right strike-slip with 6.7 mm/a extension; the southern Honghe fault shows 1.9 mm/a right strike-slip with 1.9 mm/a extension; the junction zone in the Honghe and Lijiang–Xiaojinhe faults shows an obvious clockwise-rotation deformation.The strain calculation results reveal that the maximum shear-strain rate in this region reaches 70 nstrain/a, concentrated around the Xiaojiang fault and at the junction of the Honghe and Lijiang–Xiaojinhe faults.We note that most of the earthquakes with magnitudes of 4 and above that occurred in this region were within the high shear strain-rate zones and the strain rate gradient boundary zone, which indicates that the magnitude of strain accumulation is closely related to the seismic activities.Comparison of the fast shear-wave polarization direction of the upper-crust with the upper-mantle anisotropy and the direction of the surface principal compressive strain rate obtained from the inversion of the GPS data reveals that the direction of the surface principal compressive strain is basically consistent with the fast shear-wave polarization direction of the upper crust anisotropy, but different from the polarization direction of the upper mantle.Our results support the hypothesis that the principal elements of the deformation mechanism in the southern Sichuan-Yunnan block are decoupling between the upper and lower crust and ductile flow in the lower crust. | HongLin Jin Yuan Gao XiaoNing Su GuangYu Fu | 2019 | Earth and Planetary Physics2019，3，1： | 18 |
| 5 | 华北克拉通晚中生代壳-幔拆离作用:岩石流变学约束显示文摘大陆岩石圈的流变学结构对于岩石圈深部过程(壳/幔过程)有着深刻的影响,直接表现在岩石圈壳-幔结构与浅部构造上。本文注意到华北克拉通晚中生代岩石圈减薄期间地壳的伸展、拆离与减薄在不同地区的宏观、微观构造及地壳岩石流变学等方面的差异表现与区域变化,以及现今和晚中生代时期岩石圈厚度的不均匀性。讨论了以水为主体的地质流体的存在对于岩石圈流变性的影响。综合克拉通东部与西部地壳/地幔厚度变化特点以及下地壳和上地幔含水性特点,阐述了晚中生代时期华北克拉通岩石圈内部壳幔耦合与解耦的规律,提出了华北岩石圈壳-幔拆离作用模型以解释华北克拉通晚中生代岩石圈减薄的基本现象与深部过程。提出区域性伸展作用是岩石圈减薄的主要动力学因素,东部地区在晚中生代伸展作用过程中壳-幔具有典型的解耦性,上部地壳、下部地壳和岩石圈地幔的变形具有显著差异性。而西部区壳幔总体具有耦合性,下地壳与岩石圈地幔共同构成流变学强度很高且难以变形的岩石圈根。 | 刘俊来 纪沫 夏浩然 刘正宏 周永胜 余心起 张宏远 程素华 | 2009 | 岩石学报2009，25，8： | 18 |
| 6 | Assessment of bearing performance degradation via extension and EEMD combined approach显示文摘As a key component in rotating machinery, the operating reliability of bearing influences the performance and service life of the equipment directly. In order to describe bearing performance degradation(BPD) process effectively, an assessment approach combining extension and ensemble empirical mode decomposition(EEMD) was proposed. First, the extension was utilized to construct the matter-element of bearing operating state, and the energy moment of intrinsic mode functions(IMFs) was used as characteristic parameter of the matter-element. Then, to determine classical domains of characteristic parameters, the mathematical statistics method was adopted. Finally, the BPD was analyzed qualitatively and quantitatively according to the comprehensive correlation degree of bearing current operating state related to its healthy state. The analytic results of bearing test-rig show that the proposed method indicates the incipient fault approximately occurring in the 81 st hour, and the method also quantitatively presents the degree of BPD. By contrast, the BPD assessment based on time-domain features extraction method could not achieve the above two results effectively. | 刘玉梅 赵聪聪 熊明烨 赵颖慧 乔宁国 田广东 | 2017 | Journal of Central South University2017，24，5： | 16 |
| 7 | Orogen-parallel extension in Himalaya: Is it the indicator of collapse or the product in process of compressive uplift?显示文摘Extensional structures developed extensively in Himalaya with their strikes perpendicular to that of the orogenic belt. The studies of such structures in Qusum, Burang, Lhozhag, Nyalam and Yadong show that they represent an orogen-parallel extension. The basins produced by the extension experienced orokyn-perpendicular compression during their formation. The ages of the extension rang from 16 to 13 Ma and coincide with the intensive compressive stage in Southeastern Asia. Therefore, the extension is Syn-shortening and the dominate tectonic movement in Himalaya was compression and uplift during the extension. The extension was the partition of compressive deformation rather than the indicator for the collapse and falling of the Tibetan Plateau. | ZHANG Jinjiang, DING Lin, ZHONG Dalai & ZHOU Yong Institute of Geology and Geophysics. Chinese Academy of Sciences. Beijing 100029, China | 2000 | Chinese Science Bulletin2000，45，2： | 16 |
| 8 | Research on ΣCO_2 Source in Ore-forming Hydrothermal Solution of Granite-Type Uranium Deposit, South China显示文摘Multi-constraints are used in this paper to discuss the ΣCO2 source in oreforming hydrothermal solution of granite-type uranium deposit in South China. The studies show that highly acidic and uraniferous granitic magma cannot produce the fluid rich in ΣCO2. Controlled by three periods of crust extension and corresponding to three major periods of U-mineralization in South China respectively, the ΣCO2 in each ore-forming hydrothermal solutions is all mantle-derived. Our studies reasonably explain why the mineralization did not occur immediately after the end of differentiation of the granitic magma rich in uranium, and why the ore-forming time of granite-type uranium deposit focuses on the time of crust extension after the formation of the uraniferous granites. | 胡瑞忠 李朝阳 倪师军 刘莉 于津生 | 1993 | Science China Chemistry1993，36，10： | 14 |
| 9 | Extension closure of relative syzygy modules显示文摘In this paper we introduce the notion of relative syzygy modules. We then study the extensionclosure of the category of modules consisting of relative syzygy modules (resp. relative k-torsionfree modules). | 黄兆泳 | 2003 | Science China Mathematics2003，46，5： | 13 |
| 10 | Ar-Ar Dating on the Metallogenesis of the Dongchuang Gold Deposit in the Xiaoqinling Area显示文摘The Dongchuang gold deposit in the Xiaoqinling area is an orogenic-type lode gold deposit. It is one ofthe few superlarge (>100 t Au) deposits in China. Although it has been argued that it was formed in the Mesozoic,related isotopic age data have not been reported in previous studies. Based on detailed geological study, the authors havecarried out isotopic dating on various metallogenic generations. The ore-forming process of the Dongchuang golddeposit consists of four stages: coarse-grained pyrite-bearing quartz veins (stageⅠ), fine-grained pyrite-quartz veinlets(stage Ⅱ), multi-sulfides (stage Ⅲ) and carbonate-quartz veinlets (stage Ⅳ). Ar-Ar dating on mineral separates of stagesⅠ, Ⅱ and Ⅲ yields plateau ages of 142.9±2.9 Ma, 132.2±2.6 Ma and 128.3±6.2 Ma, respectively. Sericite separates fromstage Ⅱ assemblage also yield an Ar-Ar isochron age of 132.6±2.7 Ma, similar to the Ar-Ar plateau age. These resultssuggest that the Dongchuang gold deposit was mainly formed during 143-128 Ma, coinciding with the authors'geological observations and previous hypothesis. This ore formation is coeval with the regional-tectonic transition fromcollisional compression to extension, strongly showing that the decompression-geothermal increase regime duringcompression-to-extension transition is the most conducive geodynamic environment to orogenic-type goldmineralization. | 李强之 陈衍景 钟增球 李文良 李绍如 郭晓东 金宝义 | 2002 | Acta Geologica Sinica(English Edition)2002，76，4： | 13 |
| 11 | Palinspastic reconstruction and geological evolution of Jurassic basins in Mongolia and neighboring China显示文摘The important event in Jurassic tectonics in Mongolia was the subduction and closure of the Mongolia-Okhotsk ocean;correspondingly,basin evolution can be divided into two main stages,related to the orogeny and collapse of the orogenic belt,respectively.The developing of Early-Middle Jurassic basins to the north of the ocean resulted from back-arc extension.The fossil sutures,from the China-SE Asia sub-continent to the south of the ocean,were rejuvenated by subduction-related orogeny;in addition,the Yanshanian intra-continental movement occurred.Three Early-Middle Jurassic molasse basins were developed by movement in Inner Mongolia,all of which stretched westwards (or northwards) into Mongolia;therefore,the molasse basins in eastern and southern Mongolia had the same geometric and kinematic features as the basins in the Inner Mongolia.Owing to the collapse of the MongoliaOkhotsk orogenic belt,a group of rift basins developed during the Late Jurassic.In eastern Mongolia,the NE orientated extensional basins were controlled by the neogenic NE-structure.The contemporary basins in southern Mongolia and the neighboring areas in China were constrained by remobilization (inherited activation) of the latitudinal or ENE-directional basement structures.Three stages can be recognized in the evolution of the Early-Middle Jurassic basins after reversal;the basins also experienced four episodes of reformation. | Wu Genyao | 2013 | Journal of Palaeogeography2013，2，3： | 12 |
| 12 | On isometric extension problem between two unit spheres显示文摘In this paper we introduce the isometric extension problem of isometric mappings between two unit spheres. Some important results of the related problems are outlined and the recent progress is mentioned. | Ding GuangGui School of Mathematical Sciences and LPMC, Nankai University, Tianjin 300071, China | 2009 | Science China Mathematics2009，52，10： | 12 |
| 13 | DEGREE OF APPROXIMATION BY SUPERPOSITIONS OF A SIGMOIDAL FUNCTION显示文摘In this paper we study the degree of approximation by superpositions of a sigmoidal function.We mainlyconsider the univariate case.If f is a continuous function,we prove that for any bounded sigmoidalfunction σ,dn,σ(f)≤‖σ‖ω(f,1/(n+1)).For the Heaviside function H(x),we prove that dn,H(f)≤ω(f,1/(2(n+1))).If f is a continuous funnction of bounded variation,we prove that dn,σ(f)≤‖σ‖/(n+1)V(f)and dn,H(f)≤1/(2(n+1))V(f).For he Heaviside function,the coefficient 1 and the approximation orders are the bestpossible.We compare these results with the classical Jackson and Bernstein theorems,and make some conjec-tures for further study. | Chen Debao (University of Texas at Austin,USA) | 1993 | Analysis in Theory and Applications1993，9，3： | 11 |
| 14 | 基于J2EE的客运信息管理系统数据持久层的Hibernate解决方案显示文摘以成都市ITS建设为背景,主要讨论了其中客运信息管理系统数据持久层的设计,通过对目前主流的持久层解决方法的比较提出了基于J2EE的H ibernate解决方案,并对该方案的优势进行了说明。 | 李敏 黄强 李昊 尹治本 | 2005 | 计算机应用2005，25，10： | 10 |
| 15 | Extension of isometries on the unit sphere of l^p (Γ) space显示文摘In this paper,we obtain that every isometry from the unit sphere S(l p (Γ)) of l p (Γ) (1 < p < ∞,p≠2) onto the unit sphere S(E) of a Banach space E can be extended to be a (real) linear isometry of l p (Γ) onto E,so,we give an affirmative answer to the corresponding Tingley's problem. | FANG XiNian 1,& WANG JianHua 2 1 School of Mathematics and Statistics,Nanjing Audit University,Nanjing 210029,China 2 Department of Mathematics,Anhui Normal University,Wuhu 241000,China | 2010 | Science China Mathematics2010，53，4： | 10 |
| 16 | Shape Modification and Deformation of Parametric Surfaces显示文摘A new method for shape modification or deformation of all kinds of parametric surfaces is presented. Instead of using any control mesh and designing any auxiliary tools for modification or deformation, this method only needs to multiply the equation of the original surface by several shape operator matrixes so that deformation effects are achieved. Due to introducing interactive control parameters with different properties those parameters can be changed to get more ideal effects of deformation or shape modification. The core of the method is that so-called cosine extension function is proposed by which the shape operator matrix can be created. Experiment shows that the method is simple, intuitive and easy to control, and diversified local deformations or shape modifications can easily be made via small and random variations of interactive control parameters. | Wang Xiaoping1 Ye Zhenglin1 Hu Xiaomin2 1. Department of Mathematics and Information Science, Northwestern Polytechnical University, Xian 710072, China 2. School of Science, Hangzhou institute of Electronic Engineering, Hangzhou 310037, China | 2002 | Computer Aided Drafting,Design and Manufacturing2002，12，1： | 10 |
| 17 | Polynomials,Higher Order Sobolev Extension Theorems and Interpolation Inequalities on Weighted Folland-Stein Spaces on Stratified Groups | Guozhen Lu Department of Mathematics,Wayne State University,Detroit,MI 48202,USA | 2000 | Acta Mathematica Sinica,English Series2000，16，3： | 9 |
| 18 | The generalized Roper-Suffridge extension operator on bounded complete Reinhardt domains显示文摘The generalized Roper-Suffridge extension operator Ф(f) on the bounded complete Reinhardt domain Ω in Cn with n ≥ 2 is defined by Φrn,β2,γ2,…,βn,γn(f)(z)=(rf(z1/r),(rf(z1/r)/z1)β2(f'(z1/r))γ2z2,…,(rf(z1/r)/z1)βn(f'(z1/r)γnzn) for (z1,z2,…,zn) ∈Ω, where r = r(Ω) = sup{|z1|: (z1,z2,…,zn) ∈ Ω},0 ≤ γj ≤ 1 -βj,0 ≤ βj ≤ 1,and we choose the branch of the power functions such that (f(z1)/z1)βj |z1=0 = 1 and (f′(z1))γj |z1=0 =1,j = 2,…,n. In this paper, we prove that the operator Фrn,β2,γ2,…,βn,γn(f) is from the subset of S*α(U) to S*α(Ω)(0 ≤ α < 1) on Ω and the operator Фrn,β2,γ2,…, βn,γn(f) preserves the starlikeness of order α or the spirallikeness of type β on Dp for some suitable constantsβj,γj,pj, where Dp ={(z1,z2,…,zn) ∈ Cn: ∑nj=1|zj|pj < 1} (pj > 0, j = 1,2,…,n), U is the unit disc in the complex plane C, and Sα* (Ω) is the class of all normalized starlike mappings of order α on Ω. We also obtain that Φrn,β2,γ2,…,γn(f) ∈ S*α(Dp) if and only if f ∈ S*a(U) for 0 ≤ α < 1 and some suitable constants βj,γj,pj. | Yu-can ZHU~(1+) Ming-sheng LIU~2 ~1 Department of Mathematics,Fuzhou University,Fuzhou 350002,China ~2 Department of Mathematics,South China Normal University,Guangzhou 510631,China | 2007 | Science China Mathematics2007，50，12： | 8 |
| 19 | Enhanced flame-retardant performance of poly(lactic acid)(PLA) composite by using intrinsically phosphorus-containing PLA显示文摘The intrinsically phosphorous-containing flame-retardant poly(lactic acid)(P-PLA) was synthesized through the chain extension of L-lactide and 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide(DOPO) derivative, then P-PLA was melt blended with neat PLA to produce flame-retardant PLA composite(FR-PLA). The flame-retardant properties of FR-PLAs were investigated by Limiting Oxygen Index(LOI), UL-94, and Cone Calorimeter Tests, the results indicated that the flame-retardant properties of PLA composites were significantly improved with the addition of P-PLA due to its excellent ability to carbonize and dilute combustible gases. The LOI value of FRPLA10 composite(consisting of 90 wt% neat PLA and 10 wt% P-PLA) increased from 20.5 to 27.8 and UL-94 rating reached up to V-1, the peak heat release rate and total heat release of FR-PLA composite were lower than those of neat PLA. The flame-retardant mechanism of FR-PLA depended on both condensed and gaseous phases,which was confirmed by the FTIR, Raman and TG-FTIR. Besides, the tensile strength of FR-PLA10 slightly decreased from 72.4 to 61.8 MPa, which met the requirements of most practical applications. Therefore, the modification method used in this work presented a feasible approach to prepare FR-PLA composite with satisfactory mechanical property. | Senlong Yu Hengxue Xiang Jialiang Zhou Meifang Zhu | 2018 | Progress in Natural Science:Materials International2018，28，5： | 8 |
| 20 | The isometric extension of “into” mappings on unit spheres of AL-spaces显示文摘In this paper, we show that if V0 is an isometric mapping from the unit sphere of an AL-space onto the unit sphere of a Banach space E, then V0 can be extended to a linear isometry defined on the whole space. | DING GuangGui School of Mathematics Science, Chern Institute of Mathematics and LPMC, Nankai University, Tianjin 300071, China | 2008 | Science China Mathematics2008，51，10： | 7 |
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