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江苏常州横林地裂缝成因机理分析
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作者 许书刚 陈火根 +4 位作者 王光亚 黄敬军 车增光 龚亚兵 顾春生 《华东地质》 2021年第1期93-99,共7页
江苏常州横林地裂缝1989年始发,是苏锡常地区最早被发现的地裂缝,整体沿NE向走向,落差100~500 mm,裂缝带宽度50~350 m,局部地裂缝分布和走向受古潜山控制。地裂缝空间上主要发育于古潜山的边缘及砂层与岩溶接触带,时间上其发展与地下水... 江苏常州横林地裂缝1989年始发,是苏锡常地区最早被发现的地裂缝,整体沿NE向走向,落差100~500 mm,裂缝带宽度50~350 m,局部地裂缝分布和走向受古潜山控制。地裂缝空间上主要发育于古潜山的边缘及砂层与岩溶接触带,时间上其发展与地下水主采层水位下降速度加快、岩溶水水位低于第Ⅱ承压水水位的阶段相对应。综合分析推断,横林地裂缝是由地下水过度开采、基岩起伏导致的不均匀沉降,以及岩溶土洞等因素共同诱发的,兼具岩溶塌陷型与基岩潜山型特点。 展开更多
关键词 地裂缝 岩溶塌陷 地下水开采 常州横林
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强化木地板产业面临的问题与对策分析——以常州横林为例 被引量:1
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作者 任涵子 《现代商业》 2013年第35期62-62,共1页
强化木地板因其耐磨、美观、安装方便及性价比优良等特点深受消费者青睐。从1997年开始进入国产到现在,中国强化木地板经历了从纯进口到国内生产到大量出口的过程,常州横林更是形成了强化木地板生产和销售的产业集群。然而,强化木地板... 强化木地板因其耐磨、美观、安装方便及性价比优良等特点深受消费者青睐。从1997年开始进入国产到现在,中国强化木地板经历了从纯进口到国内生产到大量出口的过程,常州横林更是形成了强化木地板生产和销售的产业集群。然而,强化木地板产业快速发展的同时也面临许多问题,包括外部因素的影响以及产业内部存在的弊端等。本文正是针对以上这些情况以常州横林强化木地板产业集群为例进行分析并给出相应的对策。 展开更多
关键词 强化木地板 常州横林 问题 对策
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地板产业集群高质量发展研究——以江苏横林地板产业集群为例 被引量:1
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作者 管志杰 陈小雨 徐艳 《现代管理科学》 2019年第11期42-44,共3页
中国是地板生产与出口大国,目前地板产业正面临巨大的变革,实现地板产业集群高质量发展对区域经济的壮大具有深远意义。在阐述地板产业集群高质量发展的内涵及实施路径基础上,应用江苏横林地板产业集群这一案例,分析其高质量发展的现状... 中国是地板生产与出口大国,目前地板产业正面临巨大的变革,实现地板产业集群高质量发展对区域经济的壮大具有深远意义。在阐述地板产业集群高质量发展的内涵及实施路径基础上,应用江苏横林地板产业集群这一案例,分析其高质量发展的现状,指出其在高质量发展过程中存在的问题,并提出了一系列对策。最后结合横林地板产业集群案例,提出促进我国地板产业集群高质量发展要从技术、品牌、管理理念和政策体系等方面采取对策。 展开更多
关键词 高质量发展 地板产业集群 江苏横林
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常州横林岩溶塌陷区地下水水动力模式及致塌作用研究
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作者 车增光 喻永祥 刘洪 《地下水》 2020年第6期43-46,共4页
常州横林岩溶塌陷始发于20世纪80年代末,是我国长三角地区最典型的平原深覆盖型塌陷之一,地下水活动是塌陷形成的主导性动力因素。从含水层结构及分布、水位动态变化等方面,分析了横林地区地下水系统特征及历史演变过程,结果表明:基岩... 常州横林岩溶塌陷始发于20世纪80年代末,是我国长三角地区最典型的平原深覆盖型塌陷之一,地下水活动是塌陷形成的主导性动力因素。从含水层结构及分布、水位动态变化等方面,分析了横林地区地下水系统特征及历史演变过程,结果表明:基岩潜山式基底构造、“天窗式”砂层—灰岩含水层结构以及主采层水位的持续下降,造成地下水水动力模式的不断演变,依据水位与基岩面的关系,将塌陷期内的地下水水动力条件概化为承压、承压—负压、负压3种模式,岩溶塌陷的发生、发展与承压—负压、负压两种模式的形成基本具有同步性,地下水的渗流潜蚀、失托加荷和真空吸蚀是岩溶塌陷产生的主要致塌作用。 展开更多
关键词 岩溶塌陷 地下水活动 水动力模式 致塌作用 常州 横林
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从地板锁扣专利案谈对华337调查涉案企业积极应诉策略 被引量:2
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作者 王敏 安文 《经济师》 2006年第11期21-21,23,共2页
美国337调查以便于操作、认定门槛低、原被告成本极不相称、范围和行为不可规避性、见效快和杀伤力大等特点,成为中国对美贸易的最大杀手,我国企业应在熟悉其程序和机制的前提下,吸取日韩历史经验,构建完善的应对策略体系。
关键词 337调查 横林地板 知识产权应对策略
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满堂支架现浇箱梁施工技术总结 被引量:1
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作者 施智飞 《科技与创新》 2015年第23期149-150,共2页
横林枢纽立交桥梁是沿江高速公路建设的控制性工程,已通车多年。通过总结该工程施工过程中支架现浇箱梁施工部分的内容,旨在明确这类工程的施工技术要点,以期为日后的相关工作提供参考。
关键词 支架现浇箱梁 施工技术 预应力 横林枢纽立交
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Succession Features and Dynamic Simulation of Subalpine Forest in the Gongga Mountain, China 被引量:7
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作者 CHENGGenwei LUOJi 《Journal of Mountain Science》 SCIE CSCD 2004年第1期29-37,共9页
The Gongga Mountain of eastern Tibet Plateau is a representative of the alpine regions with high peaks and deep valleys. Climate change over the last thousand years has controlled the dynamics of glacier and debris fl... The Gongga Mountain of eastern Tibet Plateau is a representative of the alpine regions with high peaks and deep valleys. Climate change over the last thousand years has controlled the dynamics of glacier and debris flow occurrence, which resulted in substantial changes in the mountainous environment. The authors surveyed the community structure of primary forests in Gongga Mountain and forest succession processes in woodland plots. The changing features in the subalpine environment are discussed in this paper. Tree species and sizes between the glacier shrinking areas and debris flow fans in Hailuogou Valley are compared. The pioneer species that settle in debris flow fans and the glacier shrinking areas are Salix spp. and Populus purdomii. Abies fabri and Picea brachytyla are the climax tree species. The succession process of primary vegetation in Hailuogou (2700 ~ 3200 m) can be divided into four stages: Slash surface (20~ 200 yr) Salix-Populus seeding community (10 ~ 30 yr) Populus-Salix sapling community (30 ~ 100 yr) Populus-Abies mixed community (50 ~ 100 yr) Abies-Picea climax In a natural and undisturbed environment, trees compete for light, water and nutrients. Disaster disturbance in mountains is a very important driving factor for regeneration of woody plants. Repeated destruction of forests by glacier movement or debris flows generated additional forest gaps that allow young plants to grow. In this study the Gongga Forest Succession Model (GFSM) was developed for simulation of forest community succession processes on different scales in Gongga Mountain. A soil succession module was added to the GFSM model to simulate soil formation and chemical element change of woodland. In order to represent major features of forests in Southwestern China, many field works has been done to identify ecological parameters of various trees in the subalpine region. On the basis of simulation of tree life history, the GFSM combines forest succession with soil change in both material components and nutrition content. The Monte-Carlo method was applied to simulate random weather fluctuation and the uncertainty of tree death. These modeled processes agreed with the field investigation results in this region. The elevation distribution of different tree species was also simulated; and the results are consistent with field observations of ecological features of tree species. The modeling approach reflects well the succession dynamics of primary forests in Southwestern China. These results are very useful for improving the management policies and prediction technology for restoration and conservation of primary forests in Southwestern China. 展开更多
关键词 Gongga Mountain forest succession dynamic simulation forest gap model
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Asymmetric Green's functions for exponentially graded transversely isotropic substrate–coating system
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作者 F.Akbari A.Khojasteh M.Rahimian 《Journal of Central South University》 SCIE EI CAS CSCD 2018年第1期169-184,共16页
By virtue of a complete set of two displacement potentials,an analytical derivation of the elastostatic Green’s functions of an exponentially graded transversely isotropic substrate–coating system is presented.Three... By virtue of a complete set of two displacement potentials,an analytical derivation of the elastostatic Green’s functions of an exponentially graded transversely isotropic substrate–coating system is presented.Three-dimensional point–load and patch–load Green’s functions for stresses and displacements are given in line-integral representations.The formulation includes a complete set of transformed stress–potential and displacement–potential relations,with utilizing Fourier series and Hankel transforms.As illustrations,the present Green’s functions are degenerated to the special cases such as an exponentially graded half-space and a homogeneous two-layered half-space Green’s functions.Because of complicated integrand functions,the integrals are evaluated numerically and for numerical computation of the integrals,a robust and effective methodology is laid out which gives the necessary account of the presence of singularities of integration.Comparisons of the existing numerical solutions for homogeneous two-layered isotropic and transversely isotropic half-spaces are made to confirm the accuracy of the present solutions.Some typical numerical examples are also given to show the general features of the exponentially graded two-layered half-space Green’s functions that the effect of degree of variation of material properties will be recognized. 展开更多
关键词 functionally graded material transversely isotropic BI-MATERIAL Green’s function coating-substrate displacement potential
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Study of Phase Transition Properties in Epitaxial Ferroelectric Film
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作者 王春栋 滕保华 +2 位作者 居勇峰 程登木 章春来 《Communications in Theoretical Physics》 SCIE CAS CSCD 2010年第10期756-762,共7页
Based on the transverse Ising model and using decoupling approximation to the Fermi-type Green's function, we study the phase transition properties of the epitaxial ferroeleetric film with one substrate. A general re... Based on the transverse Ising model and using decoupling approximation to the Fermi-type Green's function, we study the phase transition properties of the epitaxial ferroeleetric film with one substrate. A general recursive equation of the ferroelectric thin film with two n-layer materials is obtained, which enables us to study the phase transition properties for any number layers for epitaxial ferroelectric thin film. With the help of this equation, we analyze the effect of the exchange interaction and the transverse field in the phase diagram, the influence to the polarizations and Curie temperature numerically. The results show that epitaxial ferroelectric film are able to induce a strong increase or decrease of Curie temperature to different exchange interactions and transverse fields within the epitaxial film layers. The theoretical results are in reasonable accordance with experimental data of different ferroelectric thin film. 展开更多
关键词 epitaxial ferroelectrics phase transitions
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